ic-r75 service manual

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SERVICE MANUAL COMMUNICATIONS RECEIVER

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Communication Receiver Icom R-75,service manual

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Page 1: IC-R75 service manual

SERVICEMANUAL

COMMUNICATIONS RECEIVER

Page 2: IC-R75 service manual

This service manual describes the latest service informationfor the IC-R75 at the time of publication.

NEVER connect the receiver to an AC outlet or to a DCpower supply that uses more than 16 V. Such a connectioncould cause a fire hazard and/or electric.

DO NOT expose the receiver to rain, snow or any liquids.

DO NOT reverse the polarities of the power supply whenconnecting the receiver.

DO NOT apply an RF signal of more than 20 dBm (100mW)to the antenna connector. This could damage the receiver'sfront end.

Be sure to include the following four points when orderingreplacement parts:

1. 10-digit order numbers2. Component part number and name3. Equipment model name and unit name4. Quantity required

<SAMPLE ORDER>0910051123 PCB B-5274C IC-R75 PLL UNIT 1 pieces8810005770 Screw Bih M3x8 ZK IC-R75 Chassis 10 pieces

Addresses are provided on the inside back cover for yourconvenience.

1. Make sure a problem is internal before disassemblingthe receiver.

2. DO NOT open the receiver until the receiver is discon-nected from its power source.

3. DO NOT force any of the variable components. Turnthem slowly and smoothly.

4. DO NOT short any circuits or electronic parts. An insulat-ed turning tool MUST be used for all adjustments.

5. DO NOT keep power ON for a long time when the receiv-er is defective.

6. READ the instructions of test equipment thoroughlybefore connecting equipment to the receiver.

To upgrade quality, all electrical or mechanical parts andinternal circuits are subject to change without notice orobligation.

VERSIONU.S.A.Europe

U.K.S.E.Asia

Other

SYMBOLUSAEURUK

SEAOTH

INTRODUCTION DANGER

ORDERING PARTS REPAIR NOTES

Page 3: IC-R75 service manual

TABLE OF CONTENTS

SECTION 1 SPECIFICATIONS

SECTION 2 INSIDE VIEWS

SECTION 3 CIRCUIT DESCRIPTION3-1 RECEIVER CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1

3-2 PLL CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4

3-3 LOGIC CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-5

3-4 POWER SUPPLY CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-6

3-5 PORT ALLOCATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-7

SECTION 4 ADJUSTMENT PROCEDURES 4-1 PREPARATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1

4-2 PLL ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2

4-3 RECEIVER ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4

4-4 SET MODE ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-7

SECTION 5 PARTS LIST

SECTION 6 MECHANICAL PARTS AND DISASSEMBLY

SECTION 7 SEMI-CONDUCTOR INFORMATION

SECTION 8 BOARD LAYOUTS8-1 PHONE AND VR BOARDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-1

8-2 DISPLAY BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-3

8-3 LOGIC BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-5

8-4 PLL UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-6

8-5 MAIN UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-7

SECTION 9 BLOCK DIAGRAM

SECTION 10 VOLTAGE DIAGRAM10-1 FRONT UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-1

10-2 PLL UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-2

10-3 MAIN UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-3

Page 4: IC-R75 service manual

1 - 1

M GENERAL• Frequency range :

*1 Specifications guaranteed for 0.1 – 29.99 MHz and 50 – 54 MHz*2 Specifications guaranteed for 0.1 – 29.99 MHz

• Mode : SSB (LSB, USB), AM, FM, CW, RTTY, S-AM

• Receive system : Triple-conversion superheterodyne

• Intermediate frequencies :

May differ according to selected IF filter.

• Sensitivity : 0.1 MHz – 1.799 MHz (Preamplifiers are OFF)SSB, CW, RTTY less than 2.0 µV for 10 dB S/NAM, S-AM less than 13.0 µV for 10 dB S/N

1.8 MHz – 27.99 MHz (The preamplifier 1 is ON)SSB, CW, RTTY less than 0.16 µV for 10 dB S/N (typical)AM, S-AM less than 2.0 µV for 10 dB S/N

28 MHz – 29.99 MHz (The preamplifier 1 is ON)SSB, CW, RTTY less than 0.16 µV for 10 dB S/N (typical)AM, S-AM less than 2.0 µV for 10 dB S/NFM less than 0.5 µV for 12 dB SINAD

50 MHz – 54 MHz (The preamplifier 2 is ON)SSB, CW, RTTY less than 0.13 µV for 10 dB S/N (typical)AM, S-AM less than 1.0 µV for 10 dB S/NFM less than 0.25 µV for 12 dB SINAD

• selectivity : SSB, CW, RTTY More than 2.1 kHz/–6 dBLess than 4.0 kHz/–60 dB

AM, S-AM More than 6.0 kHz/–6 dBless than 20.0 kHz/–50 dB

FM More than 12.0 kHz/–6 dBless than 30.0 kHz/–40 dB

• Audio output power : More than 2.0 W at 10 % distortion with an 8 Ω load

• Antenna impedance : 50 Ω or 450 Ω

• Squelch sensitivity (threshold) :

*Preamplifiers are OFF; *1Preamplifier 1 is ON; *2Preamplifier 2 is ON

• Current drain (13.8 V DC) : Less than 1.3 A (Standby), Less than 1.5 A (Max. audio out)

• Spurious and image rejection : More than 70 dB (0.1 – 1.799 MHz SSB, AM, S-AM are more than 60 dB)

• Dimensions : 241(W)×94(H)×229(D) mm; 91⁄2(W)×311⁄16(H)×91⁄32(D) inch (projection not included)

• Weight (approximate) : 3.0 kg; 6 lb 10 oz (AC adaptor “AD–55/A/V” is not included)

• Antenna connector : SO-239 (50 Ω), push connection terminal (450 Ω)

• CI-V connector : 2-connector 3.5 (d) mm (1⁄8")/8 Ω

• PHONES connector : 3-conductor 6.35 (d) mm (1⁄8")

• External speaker connector : 2-conductor 3.5 (d) mm (1⁄8")/8 Ω

SECTION 1 SPECIFICATIONS

All stated specifications are subject to change without notice or obligation.

1st (MHz)2nd (MHz)3rd (MHz)

SSB69.01159.01150.4550

CW69.01069.01060.4559

RTTY69.01059.01050.4560

AM, S-AM69.01009.01000.4500

FM69.01159.01150.4500

Frequency (MHz)0.1 – 1.7991.8 – 27.9928 – 29.99

50 – 54

SSBless than 71 µV*less than 5.6 µV*1

–less than 5.6 µV*2

FM––

less than 0.32 µV*1

less than 0.32 µV*2

Frequency coverage

30 kHz – 60 MHz*1

30 kHz – 30 MHz*2

VersionUSA, EUR,

UK, OTHSEA

Page 5: IC-R75 service manual

2 - 1

SECTION 2 INSIDE VIEWS

2nd IF filter(FI761: FL-272)3rd LO circuit

3rd mixer circuit(IC811)

BFO circuit

2nd IF circuit

PLL IC (IC21)

Noise blaker circuit

VCO circuit

BFO mixer circuit(IC1101)

Bandpass filter

Fuse (3A)

MAIN UNIT PLL UNIT

Back up battery(BT 1521)

3rd IF filter(FI851)

2nd mixer circuit1st IF filter (FI701)

1st mixer circuit

Page 6: IC-R75 service manual

SECTION 3 CIRCUIT DESCRIPTION

3 - 1

3-1 RECEIVER CIRCUITS3-1-1 RF SWITCHING CIRCUIT (MAIN UNIT)The IC-R75 has two antenna connectors. RF signals entereither the [50 Ω ANT.] or [450 Ω ANT.] connector.

RF signals from the [50 Ω ANT.] connector are applied to theantenna switching circuit (RL121), and then pass through thelow-pass filter (L131, L132, C131–C136).

RF signals from the [450 Ω ANT.] connector are passedthrough the L101 to exchange the impeadance value, andare then applied to the antenna switching circuit (RL121).The signals are applied to the low-pass filter (L131, L132,C131–C136).

Each RF signals from the [50 Ω ANT.] connector or [450 ΩANT.] connector are chosen by the antenna switching circuit(RL121).

3-1-2 RF FILTER CIRCUIT (MAIN UNIT)The filtered signals are applied to the RX attenuator switch-ing circuit (RL141). Either the signals bypass or pass throughthe attenuator circuit. The signals are attenuated at 20 dBwhen passing through the attenuators. The attenuator sys-tem excludes non-linear components between an antennaconnector and an attenuator to prevent strong signals fromcausing distortion. The signals are then applied to the RF fil-ters. The MAIN UNIT has 8 RF bandpass fileters for signalsabove 2.0 MHz and 2 low-pass filters for signals below 2.0MHz.

(1) Below 1.6 MHzThe signals are applied to the low-pass filter consisting ofC170–C175, L171–L173 via the limitter circuit (D141, D142).A diode is removed at the entrance of the low-pass filter. Thisdevice prevents the diode from causing distortion whenreceiving very strong signals. A switching diode (D172) isturned on when the “B0” line is “HIGH”.

(2) Above 1.6 MHzThe signals are applied to the high-pass filter consisting ofC161–C163, L161–L164. This filter suppresses strong sig-nals below 1.6 MHz such as broadcasting stations.

The filtered signal between 1.6 MHz and 2.0 MHz are appliedto the low-pass filter (C182–C187, L182, L183) via theswitching diode (D181). The switching diodes (D181, D182)are turned ON when the “B1” line is “HIGH”.

The filtered signals above 2.0 MHz are applied to one of 8bandpass filters depending on the receive frequencies.

After passing through a bandpass or low-pass filter, the sig-nals are applied to the pre-amplifier circuit (Q381, Q382,IC391).

(3) FILTER SWITCHING CIRCUITThe RF bandpass filter corresponds to the BPF switchingvoltage (B0–B9) based on the CPU via the shifit registor(IC551, IC552) and driver (IC561, IC562). The switching volt-age of the BPF exit ot improve multi-signal and strong signalcharacteristics.

• RF bandpass and preamplifier circuit

ANT1 (50 Ω)

ANT2 (450 Ω)

ATT (20 dB)

HPF

LPF

0.5 – 1.6 MHz

1.6 – 54 MHz

ATT (10 dB)

LPF

B0

1.6 – 2.0 MHz

B1

BPF

2.0 – 4.0 MHz

B2

BPF

50 – 60 MHz

B9

PREAMP

Q381, Q382

PREAMP

IC391

LPF

60 MHzto 1st mixer(Q441, Q442)

preamplifier circuit

Page 7: IC-R75 service manual

3 - 2

3-1-3 PRE-AMPLIFIER CIRCUIT (MAIN UNIT)The pre-amplifier circuit uses low noise junction FETs (Q381,Q382) or wideband amplifier (IC391) to provide gain over awide frequency range.

When the [P.AMP] switch is turned “PREAMP 1”, the signalsfrom the RF filter are amplified by the junction FETs pre-amplifier circuit (Q381, Q382).

When the [P.AMP] switch is turned “PREAMP 2”, the signalsfrom the RF filter are amplified by the wideband pre-amplifi-er circuit (IC391).

When the [P.AMP] switch is turned “PREAMP OFF”, the sig-nals from the RF filter bypass the pre-amplifiers throughD371 and D372.

The amplified or bypassed signals are applied to the 1stmixer circuit (Q441, Q442) via the low-pass filter (L431, L432and C431–CC436). The low-pass filter attenuates at 50 MHzto suppress image frequency.

3-1-4 1ST MIXER AND IF CIRCUITS (MAIN UNIT)The filtered signals are mixed with a 69.0415–129.0115 MHz1st LO signal to produce a 69.01 MHz 1st IF signal at the 1stmixer circuit (Q441, Q442).

The 1st mixer circuit employs a balanced mixer using low-noise junction FETs (Q441, Q442) to expand the dynamicrange.

The 69.0415–129.0115 MHz 1st LO signal is applied to anLO amplifier (Q411) from the PLL unit via J411, and thenpasses through the low-pass filter (L421, L422, C422–C425).The filtered signal is applied to the 1st mixer circuit.

The 1st IF signal is applied to the crystal bandpass filter(FI-461) to suppress out-of-band signals. The filtered signal isamplified at a 1st IF amplifier (Q471), and then applied to a2nd mixer circuit (D491)

3-1-5 2ND MIXER AND IF CIRCUITS (MAIN UNIT)The 1st IF signal is mixed with a 60.0 MHz 2nd LO signal toproduce 9 MHz 2nd IF signal at the 2nd mixer (D491, C492,L491, L492). The 60.0 MHz 2nd LO signal is applied to the2nd mixer from the PLL unit via J491.

The 9 MHz 2nd IF signal is applied to the crystal bandpassfilter (FI701) to suppress unwanted signals.

The filtered signal enters the noise blanker gate(D711–D714). The signal is applied to L712 to obtain clearreception and is then amplified at the 2nd IF amplifier (Q721).The signal passes through a loose resonator circuit (C726,L721) and then is applied to one of the two crystal bandpassfilters.

MODELSB, USB, FM

CWRTTY

AM, S-AM

FREQUENCY69.0115 MHz69.0106 MHz69.0105 MHz69.0100 MHz

1ST IF FREQUENCY

• IF circuit

Received signals

1st LO signal59.0155–129.0115 MHz

BPF IFAMP

Q441, Q4421st mixer

Q471

2nd LO signal 60 MHz

D4912nd mixer

NBGATE

NoiseBlanker

IFAMP

Q721 3 kHz

BPF

BPF

Option

Buffer

Q801

Option

BPF

BPF

3 kHz

BPF

6 kHz

BPF

15 kHz

IFAMP

Q891

IFAMP

Q911,Q912

IC8113rd mixer

3rd LO signal9.4665 MHz

IC1101BFO circuit

BFO signal455 kHz

IFAMP

Q1001

FMdetector

de-emphasis

BufferAMdetector

AGCdetector

AGCAMP

IC1001,X1001

IC1211D

IC2001,Q2021,X2021

Q1031

D1061Q1063"AGC" signal

AFselectorIC1201

LPFPWRAMP

AF signal

MODELSB, USB, FM

CWRTTY

AM, S-AM

FREQUENCY9.0115 MHz9.0106 MHz9.0105 MHz9.0100 MHz

2ND IF FREQUENCY

Page 8: IC-R75 service manual

3 - 3

When the [FIL] switch is turned “2F3K”, the filter is selectedFI761 which covering the 2.4 kHz bandwith.

When the [FIL] switch is turned “2FOP”, the filter is selectedan optional filter.

When the [FIL] switch is turned “2FTH”, the signal from the2nd IF amplifier bypass the crystal bandpass filters throughD771 and D773.

The filtered or bypassed signal is amplified at the bufferamplifier (Q801) and applied to the 3rd mixer circuit (IC811).

3-1-6 NOISE BLANKER CIRCUITS (MAIN UNIT)The IC-R75 uses a trigger noise blanker circuit whichremoves pulse-type noise signals at the noise blanker gate(D711–D714).

The 2nd IF signal passes through the crystal bandpass filter(FI701) to suppress unwanted signals. A portion of the outputsignal is applied to a noise amplifier circuit (IC731, Q731,Q733) and detected at a noise detector circuit (D731). Thedetected voltage is applied to a noise blanker gate control cir-cuit (Q735–Q737, D732).

The threshold level of the noise blanker gate control circuit(Q735–Q737, D732) is set at 1.0 V on SSB mode (In case ofAM mode, is set at 1.6 V). When the detected voltageexceeds the threshold level, Q737 outputs a blanking signalto activate the noise blanker gate (D711–D714).

A portion of the detected voltage is applied to the noiseblanker AGC circuit (Q732, Q734). The noise componentsare fed back to the noise amplifier (IC731). The time constantof the noise blanker AGC circuit is determined by R737,R744 and C739. This AGC circuit does not operate to detectpulse-type noise.

When the operating frequency or mode is changed, the“UNLC” signal is applied to the noise blanker gate control cir-cuit (D732). The noise blanker gate prevents PLL click noise.

3-1-7 3RD MIXER AND IF CIRCUITS (MAIN UNIT)The 2nd IF signal is mixed with a 9.4665 MHz 3rd LO signalto produce a 450–456 kHz 3rd IF signal at the 3rd mixer(IC811).

The 9.4665 MHz 3rd LO signal is applied to the 3rd mixer IC(IC811, pin 10) from the PLL unit via J811. The 450–456 kHz3rd IF signal is applied either to one of the 3 ceramic band-pass filters (FI851, FI861, FI871) or to an optional crystalbandpass filter to suppress unwanted signals.

When the [FIL] switch is turned “3F3K”, the filter is selectedFI851 which covering the 2.4 kHz bandwith.

When the [FIL] switch is turned “3F6K”, the filter is selectedFI861 which covering the 6 kHz bandwith.

When the [FIL] switch is turned “3F15”, the filter is selectedFI871 which covering the 15 kHz bandwith.

When the [FIL] switch is turned “3FOP”, the filter is selectedan optional crystal bandpass filter.

When the mode is selected SSB mode, the filtered 3rd IF sig-nal is amplified at the 3rd IF amplifier (Q891), and is thenapplied to the 3rd IF amplifier (Q911) via the receiver totalgain control circuit (R898). The amplified signal is applied tothe SSB demodulator circuit.

When the mode is selected FM mode, the filtered 3rd IF sig-nal is amplified at the 3rd IF amplifier (Q891), and is thenapplied to the FM demodulator circuit.

When the mode is selected AM mode, the filtered 3rd IF sig-nal is amplified at the 3rd IF amplifier (Q891), and is thenapplied to the 3rd IF amplifier (Q911) via the receiver totalgain control circuit (R898). The amplified signal is applied tothe AM demodulator circuit.

1st, 2nd and 3rd IF amplifiers (Q471, Q721, Q891) are con-trolled by AGC bias voltage.

3-1-8 BFO CIRCUIT (PLL UNIT)The BFO (Beat Frequency Oscillator) circuit consists of Q1,X1, Q201 and IC 201 on PLL unit. The oscillator provides abeat frequency signal to the SSB demodulator circuit (MAINUNIT; IC1101) for demodulating the 3rd IF signal into an AFsignal. The 30 MHz signal is oscillated at Q1 and X1 for the systemclock signal of the DDS IC (IC201). The oscillated signal isamplified at Q201 and is applied to the DDC IC (IC201, pin7) to produce the 455 kHz BFO signal.The 455 kHz signal passes through the low-pass filter (L201,L202, C202–C207) via the D/A converter, and is then mixedwith the 3rd IF signal at the SSB demodulator circuit (MAINunit; IC1101).

3-1-9 DEMODULATOR CIRCUIT (MAIN UNIT)The demodulator circuit consists of 3 detector circuits.

(1) SSB DEMODULATOR CIRCUITA product detector (IC1101) demodulates SSB, RTTY andCW signals into an AF signal. The 3rd IF signal from the IFamplifier (Q911) is mixed with the BFO signal at the productdetector (IC1101) to be demodulated into an AF signal. TheAF signal passes through the AF input mode selector switch(IC1201).

(2) FM DEMODULATOR CIRCUITA FM detector (IC1001, X1001) demodulates the FM signalinto an AF signal. The 3rd IF signal from the IF amplifier(Q891) is amplified at the 3rd IF amplifier (Q1001), and isthen applied to the FM detector (IC1001, X1001) to demodu-late the 3rd IF signal. The demodulated signal is applied tothe de-emphasis circuit (IC1211D) to produce the FM AF sig-nal. The AF signal passes through the AF input mode selec-tor switch (IC1201).

MODELSB, USB

CWRTTY

AM, S-AM

FREQUENCY455.0 kHz455.9 kHz456.0 kHz450.0 kHz

3RD IF FREQUENCY

Page 9: IC-R75 service manual

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The FM detector outputs “FMNL” signal from IC1001, pin 14is applied to the CPU (LOGIC unit; IC101, pin 94) to controlthe noise squelch level.

(3) AM DEMODULATOR CIRCUITThe AM demodulater circuit (IC2001) has the envelopedetect function and the synchronous detect function.An AM detector (IC2001) demodulates the AM signal into anAF signal. The 3rd IF signal from the IF amplifier (Q911) isamplified at the buffer amplifier (Q1031), and is then appliedto the AM demodulater circuit (IC2001)to demodulate the 3rdIF signal into the AM AF signal. The AF signal which is theAM envelope detect the AF signal or the AM synchronousdetect AF signal passes through the AF input mode selectorswitch (IC1201).

3-1-10 AF INPUT MODE SELECTOR SWITCH(MAIN AND LOGIC UNITS)

The AF input mode selector switch (MAIN unit; IC1201) con-sists of 4 analog switches. The switches are selected modesignals of “AFS1” and “AFS2” from the CPU (LOGIC unit;IC101) via the shift registor (MAIN unit; IC1601), and areselected by the squelch control signal from the CPU (LOGICunit; IC101). The AF signal is output from IC1201 (MAIN unit;pin 13).

3-1-11 AF AMPLIFIER CIRCUIT (MAIN AND FRONT UNITS)

The AF signal output is passed though the low-pass filter(IC1211) to suppress unwanted signals. The filtered signal ismixed with “BEEP” signal at the AF level variable circuit(MAIN unit; IC1251), and is then applied to the AF amplifiercircuit and the AF level variable circuit (IC1251).The AF level variable circuit controls the AF level by the “AFGAIN” (R141) on the VR BOARD. The AF signal is applied tothe AF mute circuit to suppress the noise when “AF GAIN”(R141) level is minimum, and is then power-amplified atIC1291 on the MAIN unit to drive the speaker.

The one of the AF amplified signal is output “AAFO” signal torecord the AF signal to the AF recording jack (PLL unit; J3).

3-1-12 AGC AND S-METER CIRCUITS (MAIN UNIT)The AGC (Automatic Gain Control) circuit reduces signal fad-ing and keep the audio output level constant. The receivergain is determined by voltage on the AGC line (Q1063, col-lector). When strong signals are received, the AGC circuitdecreases the voltage on this line.

The 3rd IF signal is amplified at the IF amplifier (Q911). A por-tion of the 3rd IF signal is applied to the buffer amplifier(Q1031) to convert the impedance. The amplified IF signal isdetected at the AGC detector (D1061) via the C1061, andenters the base of the AGC amplifier (Q1063) to control thevoltage on the AGC line.

The AGC mode is selected by the receiver mode or AGCswtich on the front panel using the delay control circuit(Q1064–Q1066). The MDAT signal from the CPU (LOGICboard; IC101, pin 21) is applied to the shift resistor (IC1601,pin 2) to produce the AGSS and the AGFS signals. TheAGSS signal is applied to the Q1064, the AGFS signal isapplied to the Q1065, the AGRS signal from the CPU(LOGIC unit; IC101, pin 80) is applied to the Q1066 to con-trol the delay control circuit.The AGRS signal resets the AGC circuit when IC-R75 isworking the memory scaning.

When the AGC switch is selected “OFF”, the Q1061 do notsupply the voltage to the AGC amplifier (Q1063) via the“AGOS” line, determining the time constant to deactivate theAGC circuit.

A portion of the AGC bias voltage is amplified at the S-Meteramplifier circuit (IC1211C, D831), and then applied to theCPU (LOGIC unit; IC101, pin 95) via the “SML” line. Thus,the CPU controls S-Meter display.

3-1-13 SQUELCH CIRCUIT (MAIN AND LOGIC UNIT)

The “SML” signal is applied to the CPU (LOGIC unit; IC101,pin 91) from the meter amplifier circuit (IC1211C, D831). TheCPU compares “SML” signal with the level of SQL volume onthe VR BOARD to control the “SQL” signal.The CPU is output the “SQLS” signal from pin 81, and thenapplied to the AF selector circuit (MAIN unit; IC1201, pin 6)which has also the squelch gate circuit.

3-2 PLL CIRCUITS3-2-1 GENERAL DESCRIPTIONThe PLL unit generates a 1st LO signal (69.0415–129.0115MHz variable), 2nd LO signal (60 MHz), 3rd LO signal(9.4665 MHz) and BFO signal (455 kHz) used in the MAINunit. The IC-R75 uses a DDS (Direct Digital synthesizer) system.The DDS system provides rapid lockup time and high qualityfrequency oscillation.

3-2-2 REFERENCE OSCILLATOR CIRCUIT (PLL CIRCUIT)

The 30 MHz reference oscillator circuit consists of X1 andQ1. The 30 MHz reference frequency is oscillated to produceall of the LO signals.

3-2-3 1ST LO CIRCUIT (PLL AND MAIN UNIT)The 30 MHz reference frequency is applied to the DDS-IC(PLL unit; IC21, pin 40) to oscillate the 1st LO signal. Thereference frequency is compared to the DDS output signal(PLL unit; IC21, pin 46) to oscillate the PLL lock voltage. ThePLL lock voltage controlls the oscillate frequency of theVCO1 and VCO2 circuit.

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3 - 5

The oscillated signal at the VCO1 and VCO2 circuit is ampli-fied at the LO-amplifier (PLL unit; Q91), and passes throughthe low-pass filter (PLL unit; Q92, D91, D92, L91, L93,C96–C100, C102, C103) to supperss high harmonic compo-nents. The low-pass filter controlls the cut-off frequency ofless than 29.999 MHz and more than 30.000 MHz by switch-ing C102 and C103 “ON” and “OFF” respectively.

The filtered signal is applied to the LO-amplifier (MAIN unit;Q411), and is then applied to the 1st mixer circuit (MAIN unit;Q441, Q442) via the low-pass filter (MAIN unit; L421, L422,C422–C425).

The reference frequency from the LO-amplifier (PLL unit;Q91) is also divided by 4 at IC22, and is amplified at theIC23. The signal is applied to the DDS-IC (PLL unit; IC21, pin88) for the clock signal.

3-2-4 2ND LO CIRCUIT (PLL AND MAIN UNIT)The 30 MHz reference frequency from the Q1 and X1 on thePLL unit is multiplied by 2 at Q2 on the PLL unit. The 60 MHz2nd LO signal is obtained at the L4 and L5 on the MAIN unit,and is then applied to the 2nd mixer circuit (MAIN unit; D491)via the 3dB attenuator (MAIN UNIT; R491–R493).

3-2-5 3RD LO CIRCUIT (PLL AND MAIN UNIT)The 30 MHz reference frequency is oscillated at the Q1 andX1 on the PLL unit, and is then amplified at the Q151 on thePLL unit. The amplified signal is applied to the 10 bits DDS-IC (PLL unit; IC151, pin 7) for the clock signal to produce the9.4665 MHz 3rd LO signal. The 3rd LO signal is applied tothe D/A converter circuit, and passes through the low-passfilter (PLL unit; L151, L152, C152–C157) to suppress spuri-ous components. The filtered 9.4665 MHz 3rd LO signal isapplied to the 3rd mixer circuit (MAIN unit; IC811, pin 10)

3-2-6 BFO CIRCUIT (PLL AND MAIN UNIT)The 30 MHz reference frequency is amplified at the Q201 onthe PLL unit, and is applied to the 10 bits DDS-IC (PLL unit;IC201, pin 7) for the clock signal to produce the 455 kHz BFOsignal. The BFO signal is applied to the D/A converter circuit,and passes through the low-pass filter (PLL unit, L201, L202,C202–C207) to suppress spurious components. The filtered455 kHz BFO signal is applied to the BFO mixer circuit (MAINunit; IC1101, pin 10).

3-2-7 VCO CIRCUITThe VCO circuit consists of the VCO1 circuit (PLL unit; Q71,Q72, D71) and VCO2 circuit (PLL unit; Q81, Q82, D81).The VCO1 controls less than displayed frequency of 29.999MHz to use the PLL lock voltage from the DDS-IC.The VCO2 controls more than displayed frequency of 30.000MHz to use the PLL lock voltage from the DDS-IC.

3-3 LOGIC CIRCUITSThe LOGIC circuit consists of the CPU, the reset circuit,backup battery circuit, and so on.

3-3-1 CPU (LOGIC UNIT)The CPU (IC101) contains 8-bit one chip CPU. The CPUcontrols the operating frequency, mode, function, display,panel switches, panel volumes.

The panel switches are connected the CPU input port to thefunction of the panel switch or are connected some functionsof panel switches to the A/D converter input port in the CPU.

The CI-V signal which is used for communicate to the per-sonal computer is controlled by the level control circuit(IC401A, IC401B, Q401 and so on).

• PLL circuit

LOAMP

Q91Q71,Q72,D71

Q81,Q82,D81

LPF

1st LO signal(59.0115–129.0115 MHz)

VCOswitch

Q93

Loopfilter

P/D

DIV

AMP

IC21

DDS

AMP LPF D/A

AMP

2

2nd LO signal(60 MHz)

AMPLPF D/A DDS

"PCK" signal from the CPU

"PDAT" signal from the CPU

"PST2" signal from the CPU"DRES" signal from the CPU

AMPLPF D/A DDS

"PCK" signal from the CPU

"PDAT" signal from the CPU

"PST3" signal from the CPU"DRES" signal from the CPU

3rd LO signal(9.4665 MHz)

BFO signal(455 kHz)

88

1/4

Q1 X1

73 "LOF2" signal

75

"VCOS" signal

"PCK" signal from the CPU

"PDAT" signal from the CPU

"PCO2" signal from the CPU

"DRES" signal from the CPU37

91"PST1" signal from the CPU

94 93 92

Page 11: IC-R75 service manual

3 - 6

The CPU has the clock function. Thus, the CPU and theclock function have the crystal separately. The CPU has the9.8304 MHz crystal (X112) for the CPU clock, and then theoscillated 9.8304 MHz signal is applied to the IC101, pin 7and 8. The clock function has the 32.768 kHz crystal (X111).The oscillated 32.768 kHz signal is applied to the CPU(IC101, pin 4 and 5).

When the power is “OFF”, the EEPROM (IC231) is used forkeep on saving the data of memory channels, and so on.

3-3-2 RESET CIRCUIT (LOGIC UNIT)The reset circuit consists of Q391, D381, D382, D393, IC391and IC392. When IC-R75 is supplied 13.8 V to connect theAC adapter, the “HV” signal is applied to the IC391, pin 2.The signal which is output from the IC391, pin 1 is applied tothe IC392, pin 1. The signal is applied to the Q391, and isthen output to the CPU (IC101, pin 9) as “CRES” reset sig-nal.A portion of the output signal from the IC392 is input to theCPU (IC101, pin 82) as “BKUP” signal to backup the clockdata.

3-3-3 BACKUP SWITCH CIRCUIT (LOGIC UNIT)IC-R75 has a backup switch circuit (Q511 and Q512). WhenIC-R75 is supplied to 13.8 V to connect the AC adapter, the“H5V” signal is applied to Q512, pin 4, and then Q511 is OFF.When the AC adapter is disconnected, the “BATT” signalfrom the battery (MAIN unit; BT1521) is applied to the Q511,and then Q512 is OFF.The output signal is applied to the CPU (IC101, pin 31) as“B5V” signal to keep on working the clock function.The backup battery is not used while the AC adapter is con-nected.

Description

The voltage from the connected DC power sup-ply.

Common 5 V converted from the “HVR” line bythe +5 regulator circuit (IC1361).

Common 14 V converted from the “”HVR” line bythe regulator circuit (IC1371 and D1371). Theoutput voltage is applied to the pre-amplifier(Q381 and Q382) via the PRE1 regulator circuit(Q383) and the IF-amplifier (Q471) via the R14Vregulator circuit (Q472).

Receive 8 V converted from the “14V” line by theR8 regulator circuit (Q1381, Q1382 and D1381).The output voltage is applied to the IF-amplifier(Q912, Q471), the switch control circuit (Q151),and the driver circuit (IC561 and IC562, pin 9).

Common 8 V converted from the “14V” line bythe +8 regulator circuit (IC1391). The output sig-nal is applied to the low-pass filter (IC1211A, pin4), buffer amplifiers (Q1051 and Q801), the pre-amplifier (IC391) via the REG2 regulator circuit(Q391) and the AM detector circuit (IC2001, pin25).

Common 5 V converted from the “14V” line bythe +5 regulator circuit (IC1401).

Common –5 V converted from the “14V” line bythe –5 V DC-DC convertor circuit (IC1411, D1412and D1413).

Line

HVR

H5V

14V

R8V

8V

5V

–5V

3-4 POWER SUPPLY CIRCUITS3-4-1 VOLTAGE LINES (MAIN UNIT)

Page 12: IC-R75 service manual

3 - 7

3-5 PORT ALLOCATIONS3-5-1 CPU (LOGIC UNIT; IC101)

Pinnumber

1

9

11

12

14

15

16

17

18

19

21

22

23

24

25

26

36

37

38

39

40

41

42

43

44

45

46

47

48

Portname

KEY6

CRES

PWRK

DUD

DAST

RSTB

ISTB

ASTB

ECS

MCK

MDAT

PCK

PST1

PDAT

PST2

PST3

SSBK

CWK

AMK

FMK

FILK

TSK

PREK

ATTK

NRK

ANFK

NBK

AGCK

VMK

Description

Input port for [0] and [ENT] switchfrom the 10-key.

Input port for the reset signal.Low : While the reset switch is

pushed.

Input for the [POWER] switch.Low : While [POWER] switch is

pushed.

Input port for the UP signal from the[MAIN DIAL].

Outputs strobe signals for the D/Aconverter (LOGIC unit; IC351).

Outputs strobe signals for the shiftregistor (MAIN unit; IC551, IC552).

Outputs strobe signals for the shiftregistor (MAIN unit; IC1602).

Outputs strobe signals for the shiftregistor (MAIN unit; IC1601).

Outputs ECS signals for the EEPROM(LOGIC unit; IC231).

Outputs clock signal to the EEPROMand shift registors.

Outputs data signals to the EEPROM,shift registors, etc.

Outputs clock signals to the PLL IC(PLL unit; IC21) and the DDS IC (PLLunit; IC151, IC201).

Outputs strobe signals for the PLL IC.

Outputs data signals to the PLL IC andthe DDS IC.

Outputs strobe signals for the DDS IC(IC151).

Outputs strobe signals for the DDS IC(IC201).

Input port for the [SSB] switch.

Input port for the [CW] switch.

Input port for the [AM] switch.

Input port for the [FM] switch.

Input port for the [FIL] switch.

Input port for the [TS] switch.

Input port for the [P.AMP] switch.

Input port for the [ATT] switch.

Input port for the [NR] switch.

Input port for the [ANF] switch.

Input port for the [NB] switch.

Input port for the [AGC] switch.

Input port for the [V/M] switch.

Pinnumber

49

50

51

52

53

54

55

56

57

63

77

78

79

80

81

82

83

84

90

91

92

93

94

Portname

MWK

CLRK

SELK

SCAK

UPK

DNK

LOCK

SETK

CLKK

DRES

PWRS

BEEP

RXS

AGRS

SQLS

BKUP

DCK

RECS

AFGL

RFGL

PB1L

PB2L

FMNL

Description

Input port for the [MW] switch.

Input port for the [CLR] switch.

Input port for the [SEL] switch.

Input port for the [SCAN] switch.

Input port for the [UP] switch.

Input port for the [DN] switch.

Input port for the [LOCK] switch.

Input port for the [SET] switch.

Input port for the [CLOCK] switch.

Outputs reset signal to the PLL IC andDDS IC.Low: PLL IC and DDS IC is reset.

Outputs control signal for the regulatorcircuit (MAIN unit; IC1371 andD1371).

Outputs beep audio signals.

Outputs control signal for the R8 regu-lator circuit (MAIN unit; Q1381,Q1382, D1381).

• Outputs AGC reset signal to theAGC delay control circuit (MAIN unit;Q1066).

• Outputs control signal for the AGCdelay control circuit (MAIN unit;Q1061, Q1064–Q1066).

Outputs squelch control signal to theAF selector circuit (MAIN unit;IC1201).

Input port for the BKUP signal fromthe reset circuit (LOGIC unit; IC391).

Input port for the UP signal from the[MAIN DIAL].

Outputs control signal for the remoterecording driver.

Input port for the AF gain signal fromthe [AF] volume on the front panel.

Input port for the SQL/RF gain signalfrom the [SQL/RF] volume on the frontpanel.

Input port for the PBT1 signal from the[TWIN PBT] volume on the frontpanel.

Input port for the PBT2 signal from the[TWIN PBT] volume on the frontpanel.

Input port for the FM noise squelchsignal from the FM detector circuit(MAIN unit; IC1001 and X1001).

Page 13: IC-R75 service manual

4 - 1

SECTION 4 ADJUSTMENT PROCEDURES

4-1 PREPARATION‘‘ REQUIRED TEST EQUIPMENT

‘‘ CONNECTION

EQUIPMENT

DC power supply

Frequency counter

Audio generator

DC Voltmeter

GRADE AND RANGE

Output voltage : 13.8 V DCCurrent capacity : 2 A or more

Frequency range : 0.1–60 MHzFrequency accuracy : ±1 ppm or betterSensitivity : 100 mV or better

Frequency range : 0.1–60 HzMeasuring range : 0.01–10 mV

Input impedance : 50 kΩ/V DC or better

EQUIPMENT

Oscilloscope

AC millivoltmeter

External speaker

Standard signal generator (SSG)

GRADE AND RANGE

Frequency range : DC–20 MHzMeasuring range : 0.01–20 V

Measuring range : 10 mV–10 V

Input impedance : 8 ΩCapacity : 4 W or more

Frequency range : 0.1–300 MHzOutput level : 0.1 µV–32 mV

(–127 to –17 dBm)

50 ΩANT

450 ΩANT

DCIN

EXTSP

REMOTEconnector

Standard SignalGenerator

NOTE:The [450 Ω] ANT jack is notused for adjustment

Speaker

ACmilli-voltmeter

DC power supply13.8 V / 10A 1/8" (3.5 mm)

2-conductor plugShorten inner and outer plugs

Terminator for the enteringadjustment mode

Page 14: IC-R75 service manual

4 - 2

4-2 PLL ADJUSTMENT

REFERENCEFREQUENCY

VCOVOLTAGE

1ST LOVOLTAGE

3RD LOVOLTAGE

3RD LOFREQUENCY

BFOVOLTAGE

ADJUSTMENT

ADJUSTMENT ADJUSTMENT CONDITIONMEASUREMENT

VALUE POINT

UNIT LOCATION UNIT ADJUST

1

2

1

2

3

4

1

1

1

1

2

• Displayed frequency: 29.99999 MHz

• Mode : USB

• Displayed frequency: 29.99999 MHz

• Mode : USB

• Displayed frequency: 0.03000 MHz

• Mode : USB

• Displayed frequency: 60.00000 MHz

• Mode : USB

• Displayed frequency: 30.00000 MHz

• Mode: USB

• Displayed frequency: 30–60.00000 MHz

• Mode : USB

• Displayed frequency: 30–60.00000 MHz

• Mode : USB

• Displayed frequency: 9.4615 MHz

• Mode : FM

• Displayed frequency: 14.100000 MHz

• Mode : USB

• Displayed frequency: 14.100000 MHz

• Mode : AM

PLL

PLL

PLL

PLL

PLL

PLL

Connect the fre-quency counter toP1.

Connect the RFvoltmater to P1.

Connect the DCvoltmeter to HCP71.

Connect the RFvoltmeter to P91.

Connect the RFvoltmeter to P91.

Connect the fre-quency counter toP151.

Connect the RFvoltmeter to P201.

60.00000 MHz

Maximum voltage

4.0 V

More than 0.8 V

4.0 V

More than 0.8 V

More than 0.18 V

More than 0.022 V

9.4614–9.4616 MHz

More than 0.022 V

Less than 280 µV

PLL

PLL

PLL

L2

L4, L5

C86

Verify

C76

Verify

Verify

Verify

Verify

Verity

*This output level of the standard signal generator (SSG) is indicated as SSG’s open circuit.

Page 15: IC-R75 service manual

4 - 3

P201BFO voltage check point

P1513rd LO frequency check point

P1Reference frequency check point

P911st and 3rd LO voltage check point

C76VCO voltage adjustment

L2Reference frequency adjustment(for output frequency is 60.0000 MHz)

HCP71VCO voltage check point

C86

L5Reference frequency adjustment(for output voltage is maximum)

L4

• PLL UNIT

Page 16: IC-R75 service manual

4-3 RECEIVER ADJUSTMENTS

4 - 4

RECEIVERSENSITIVITY

1ST MIXERBALANCE

ADJUSTMENT

ADJUSTMENT ADJUSTMENT CONDITIONMEASUREMENT

VALUE POINT

UNIT LOCATION UNIT ADJUST

1

2

1

• Displayed frequency: 14.10000 MHz

• Mode : USB• PREAMP1 : ON• ANT select : ANT1• AGC : FAST• NOISE BLANKER: OFF• RF/SQL : CENTER• PBT1/PBT2 : CENTER• IF FILTER1 : 2.4 kHz• IF FILTER2 : 2.4 kHz

• Connect an SSG to the antennaconnector1 and set as:

Frequency : 14.10150 MHzLevel : 22 µV*

(–13 dBµ)Modulation : OFF

• Receiving

• Displayed frequency: 0.10000 MHz

• PREAMP1 : OFF• set an SSG level as

: OFF• Receiving

RearPanel

Rearpanel

Connect the ACmilli-volt meter tothe [EXT SP] jackwith an 8 Ω load.

Connect an oscillo-scope to the [EXTSP] jack with 8 Ωload.

Pre-set to center

Maximum output level

Minimum noise level

MAIN

MAIN

MAIN

R444R898

L443,L461,L462,L471,L701,L711,L712,L891,L892,L911

L443,R444

*This output level of the standard signal generator (SSG) is indicated as SSG’s open circuit.

Receiver sensitivity adjustment

Pre-set to center beforereceiver sensitivity adjustment

1st mixer balance adjustment

EXT SP JACKReceiver sensitivity and 1st mixer balancecheck point

• MAIN UNIT

R893R444

L701L711L712L471L462L461L443L891L892L911

R444L443

Page 17: IC-R75 service manual

RECEIVER ADJUSTMENTS (continued)

1ST IFFILTER

RECEIVERTOTAL GAIN

ADJUSTMENT

ADJUSTMENT ADJUSTMENT CONDITIONMEASUREMENT

VALUE POINT

UNIT LOCATION UNIT ADJUST

1

1

2

• Displayed frequency: 14.10000 MHz

• Mode : FM• PREAMP1 : ON• IF FILTER1 : 15 kHz• IF FILTER2 : 6 kHz• set an SSG as

Frequency : 14.10000 MHzLevel : 0.32 µV*

(–10 dBµ)Deviation : ±3.5 kHz Modulation : 1 kHz

• Receiving

• Displayed frequency: 14.10000 MHz

• Mode : USB• PREAMP1 : OFF• IF FILTER1 : 2.4 kHz• IF FILTER2 : 2.4 kHz• Set an SSG as

Frequency : 14.10150 MHzLevel : 500 µV*

(54 dBµ)Modulation : OFF

• Set an SSG level as: OFF

• Receiving

Rearpanel

Rearpanel

Connect the ACmilli-volt meter tothe [EXT SP] jackwith an 8 Ω load.

Connect the ACmilli-volt meter tothe [EXT SP] jackwith an 8 Ω load.

Maximum output level

0 dB(1.0 V)

–30 dB(10 mV)

MAIN

Frontpanel

MAIN

L461,L462

[AF GAIN]control

R898

*This output level of the standard signal generator (SSG) is indicated as SSG’s open circuit.

4 - 5

EXT SP JACK1st IF filter and receiver total gain check point

R898Receiver total gain adjustment

1st IF filter adjustment

• MAIN UNIT

L462L461

Page 18: IC-R75 service manual

4 - 6

EXT SP JACKNoise blanker check point after apply the noise signal

Noise blanker adjustment before apply the noise signal

R736

• MAIN UNIT

CP731Noise blanker check point before apply the noise signal

• Noise blanker adjustment after apply the noise signal• Pre-set to center before apply the noise signal

L731L732

RECEIVER ADJUSTMENTS (CONTINUED)

NOISEBLANKER

ADJUSTMENT

ADJUSTMENT ADJUSTMENT CONDITIONMEASUREMENT

VALUE POINT

UNIT LOCATION UNIT ADJUST

1

2

• Displayed frequency: 14.10000 MHz

• Mode : USB• Noise Blanker : OFF• PREAMP1. : ON• Set an SSG as

Frequency : 14.10000 MHzLevel : 18 µV*

(25 dBµ)Modulation : OFF

• Apply the following signal to the[ANT1] connector

MAIN

RearPanel

Connect the oscillo-scope to the checkpoint CP731.

Connect the oscillo-scope to the [EXTSP] jack with an 8 Ωload.

Pre-set to center

Minimun voltage

Noise is blankedwhen the [NB] switchis ON.

MAIN

MAIN

R736

L731,L732

R736

*This output level of the standard signal generator (SSG) is indicated as SSG’s open circuit.

1 msec.

100 msec.

Page 19: IC-R75 service manual

4 - 7

4-4 SET MODE ADJUSTMENT

ENTERINGADJUSTMENTSET MODE

PBTVOLUME

S-METER

FILTERCALIBRATION

ADJUSTMENT ADJUSTMENT CONDITION DISPLAY OPERATION

1

1

2

3

4

1

2

• Turn power OFF• Connect a terminator to the

[REMOTE] connector on the rearpanel.

• While pushing “SET[ANT] and“CLOCK” keys, and turn powerON.

• Connect an SSG to the antennaconnector1 and set as:

Frequency : 14.15150 MHzLevel : 50 mV*

(–13 dBm)Modulation : OFF

• Preset both the inner and outer“TWIN PBT” controls to 12o’clock position.

• Receiving

• Set an SSG level as : OFF

• Set an SSG level as : 35 µV*

(31 dBµ)

• Set an SSG level as : 28 mV*

(89 dBµ)

• Set an SSG level as : 10 µV*

(20 dBµ)

• When success entering adjustment setmode, shown “PBT SET” on the display.

• Then advance to the following setting,or push “UP” key to scroll the display.

• Push “SET[ANT]” key.to set the PBTlevel.

• When the PBT level is true, shown“GOOD” on the display.

• When S0 level of S-meter adjustmentmode entering, displayed “S0 LV”.

• Push the “SET[ANT]” key to set the S0level.

• When S9 level of S-meter adjustmentmode entering, displayed “S9 LV”.

• Push the “SET[ANT]” key to set the S9level.

• When +60 dB level of S-meter adjust-ment mode entering, displayed “+60LV”.

• Push the “SET[ANT]” key to set the 60dB level.

• When the S-meter adjustment is end,displayed “END”.

• When filter calibration adjustmentmode entering, displayed “FIL CAL”.

• Push the “SET[ANT]” key to set the fil-ter calibration.

• Emit to the beep audio.

*This output level of the standard signal generator (SSG) is indicated as SSG’s open circuit.

• Turn power OFF to exit the adjustment set mode.

Page 20: IC-R75 service manual

S.=Surface mount

R131 7210003040 VARIABLE TP96D26-22F-10KBX2-2240R141 7210003030 VARIABLE TP96D00-22F-10KBX2-2240R143 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ)

J101 6510020710 S.CONNECTOR 52793-1090

EP1 0910051172 PCB B 5271B

L121 6200003950 S.COIL HF50ACC 322513-T

R121 7030006070 S.RESISTOR ERJ12YJ101H (100 Ω) R122 7030006070 S.RESISTOR ERJ12YJ101H (100 Ω)

C121 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC122 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC123 4030006880 S.CERAMIC C1608 JB 1H 472K-T-A

J101 6510020710 S.CONNECTOR 52793-1090J121 6510021480 CONNECTOR HLJ2307-01-3070

EP1 0910051182 PCB B 5272B

IC101 1140008250 S.IC HD6433837SC58HIC231 1140005880 S.IC X25320S8I-2.7T6IC351 1110003690 S.IC M62354GP 75ECIC391 1130009110 S.IC S-80942ANMP-DD6-T2IC392 1130006440 S.IC TC7S08F (TE85R) IC401 1130004921 S.IC TC74HC04AF (TP1)

Q351 1590000680 S.TRANSISTOR DTC114EUA T106Q391 1530002850 S.TRANSISTOR 2SC4116-BL (TE85R) Q401 1590001650 S.TRANSISTOR XP4601 (TX) Q421 1590000720 S.TRANSISTOR DTA144EUA T106Q511 1510000510 S.TRANSISTOR 2SA1576A T106RQ512 1590001650 S.TRANSISTOR XP4601 (TX)

D381 1730002320 S.ZENER MA8051-M (TX) D382 1790000970 S.DIODE MA729 (TX) D393 1750000550 S.DIODE 1SS355 TE-17D401 1750000550 S.DIODE 1SS355 TE-17D461 1730002530 S.ZENER NNCD6.2G-T1

X111 6050009460 S.XTAL CM200S SMD (32.768KHZ) X112 6050009870 S.XTAL CR-567 (9.8304 MHz)

L491 6200003950 S.COIL HF50ACC 322513-TL492 6200003950 S.COIL HF50ACC 322513-TL501 6200002970 S.COIL NL 322522T-121JL502 6200002970 S.COIL NL 322522T-121J

L503 6200003950 S.COIL HF50ACC 322513-T

R112 7030003800 S.RESISTOR ERJ3GEYJ 105 V (1 MΩ) R121 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R122 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R123 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R124 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R125 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R126 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R127 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω)R128 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R129 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R130 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R131 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R141 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R142 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R143 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R144 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R145 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R146 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R147 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R148 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R149 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R150 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R151 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R152 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R153 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R154 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R155 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R161 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R162 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R163 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R171 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R172 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R173 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R174 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R175 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R176 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R177 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R178 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R179 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R191 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R192 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R193 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R194 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R195 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R196 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R197 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R198 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) R201 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R202 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R203 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R204 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R205 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R206 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R208 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R209 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R210 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R211 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R221 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R223 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R224 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R225 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R231 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) R251 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ) R252 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ) R253 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ) R254 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ) R255 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ) R256 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ) R257 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ) R258 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ) R259 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ) R260 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ) R261 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ)

5 - 1

SECTION 5 PARTS LIST

REF ORDER DESCRIPTIONNO. NO.

[VR BOARD]REF ORDER DESCRIPTIONNO. NO.

[LOGIC BOARD]

REF ORDER DESCRIPTIONNO. NO.

[PHONE BOARD]

REF ORDER DESCRIPTIONNO. NO.

[LOGIC BOARD]

Page 21: IC-R75 service manual

5 - 2

S.=Surface mount

R262 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ) R271 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R272 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R273 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R274 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R275 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R276 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R277 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R278 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R279 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R280 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R281 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R282 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R283 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R284 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R285 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R286 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R287 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R288 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R289 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R290 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R291 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R292 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R335 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R351 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ) R352 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ) R361 7030003720 S.RESISTOR ERJ3GEYJ 224 V (220 kΩ) R362 7030003720 S.RESISTOR ERJ3GEYJ 224 V (220 kΩ) R381 7030009720 S.RESISTOR ERJ12YJ102H (1 kΩ) R382 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R391 7030003630 S.RESISTOR ERJ3GEYJ 393 V (39 kΩ) R392 7030003650 S.RESISTOR ERJ3GEYJ 563 V (56 kΩ) R393 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R394 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R395 7030003760 S.RESISTOR ERJ3GEYJ 474 V (470 kΩ) R396 7030003720 S.RESISTOR ERJ3GEYJ 224 V (220 kΩ) R397 7030003720 S.RESISTOR ERJ3GEYJ 224 V (220 kΩ) R398 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) R399 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R401 7030003620 S.RESISTOR ERJ3GEYJ 333 V (33 kΩ) R402 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ) R403 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) R404 7030003580 S.RESISTOR ERJ3GEYJ 153 V (15 kΩ) R405 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) R421 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R422 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) R423 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R511 7030003840 S.RESISTOR ERJ3GEYJ 225 V (2.2 MΩ) R512 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R513 7030003630 S.RESISTOR ERJ3GEYJ 393 V (39 kΩ) R514 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ)

C101 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC102 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC103 4550006250 S.TANTALUM TEMSVA 1A 106M-8LC104 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC105 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC111 4030009990 S.CERAMIC C1608 CH 1H 200J-T-AC112 4030007050 S.CERAMIC C1608 CH 1H 220J-T-AC113 4030008560 S.CERAMIC C1608 CH 1H 300J-T-AC114 4030008560 S.CERAMIC C1608 CH 1H 300J-T-AC201 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC202 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC203 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC204 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC205 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC206 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC221 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC231 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC251 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC252 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC253 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC254 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC255 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC256 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC351 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC352 4510005430 S.ELECTROLYTIC ECEV0JA220SRC392 4030013720 S.CERAMIC GRM39 B 224K 10PTC393 4030013720 S.CERAMIC GRM39 B 224K 10PTC394 4030007050 S.CERAMIC C1608 CH 1H 220J-T-AC395 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A

REF ORDER DESCRIPTIONNO. NO.

[LOGIC BOARD]

C401 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC451 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC452 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC453 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC454 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC461 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC502 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC503 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-AC505 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A

J411 6510019980 S.CONNECTOR 52808-1690 J451 6510019970 S.CONNECTOR 52808-1090 J461 6510018970 S.CONNECTOR B4B-PH-SM3-TBJ471 6510019970 S.CONNECTOR 52808-1090 J491 6510018960 S.CONNECTOR B2B-PH-SM3-TBJ501 6510019980 S.CONNECTOR 52808-1690 J521 6510019980 S.CONNECTOR 52808-1690 J541 6510019980 S.CONNECTOR 52808-1690

W161 7030003860 S.JUMPER ERJ3GE JPW V [SEA] onlyW162 7030003860 S.JUMPER ERJ3GE JPW V [SEA] onlyW163 7030003860 S.JUMPER ERJ3GE JPW V [SEA] onlyW401 7030003860 S.JUMPER ERJ3GE JPW V

WS1 8970023370 CABLE RX2240 J lead set (1) /LO

EP1 0910051163 PCB B 5270C EP501 6910012350 S.BEAD MMZ1608Y 102BTEP502 6910012350 S.BEAD MMZ1608Y 102BTEP521 6910012350 S.BEAD MMZ1608Y 102BTEP522 6910012350 S.BEAD MMZ1608Y 102BTEP523 6910012350 S.BEAD MMZ1608Y 102BTEP524 6910012350 S.BEAD MMZ1608Y 102BTEP525 6910012350 S.BEAD MMZ1608Y 102BTEP526 6910012350 S.BEAD MMZ1608Y 102BTEP527 6910012350 S.BEAD MMZ1608Y 102BT

SP1 2510000670 SPEAKER VS-50-0827

W3 8900008930 CABLE OPC-885W4 8900008940 CABLE OPC-886W5 8900007000 CABLE OPC-684

WS1 8600036530 CABLE RX2240 P01FR

EP1 6910012480 E.OTHER RMS20-250-201-1REP2 6450001230 E.OTHER HLJ0999-01-480

IC101 1140005130 S.IC HD66100F

Q11 1530002850 S.TRANSISTOR 2SC4116-BL (TE85R) Q21 1530002850 S.TRANSISTOR 2SC4116-BL (TE85R) Q31 1530002850 S.TRANSISTOR 2SC4116-BL (TE85R) Q41 1530002850 S.TRANSISTOR 2SC4116-BL (TE85R) Q51 1530002850 S.TRANSISTOR 2SC4116-BL (TE85R) Q61 1530002850 S.TRANSISTOR 2SC4116-BL (TE85R)

REF ORDER DESCRIPTIONNO. NO.

[LOGIC BOARD]

REF ORDER DESCRIPTIONNO. NO.

[FRONT UNIT]

REF ORDER DESCRIPTIONNO. NO.

[DISPLAY BOARD]

Page 22: IC-R75 service manual

S.=Surface mount

Q71 1530002850 S.TRANSISTOR 2SC4116-BL (TE85R) Q81 1530002850 S.TRANSISTOR 2SC4116-BL (TE85R)

R11 7030000320 S.RESISTOR MCR10EZHJ 330 Ω (331) R12 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R21 7030000320 S.RESISTOR MCR10EZHJ 330 Ω (331) R22 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R31 7030000320 S.RESISTOR MCR10EZHJ 330 Ω (331) R32 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R41 7030000320 S.RESISTOR MCR10EZHJ 330 Ω (331) R42 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R51 7030000320 S.RESISTOR MCR10EZHJ 330 Ω (331) R52 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R61 7030000320 S.RESISTOR MCR10EZHJ 330 Ω (331) R62 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R71 7030000320 S.RESISTOR MCR10EZHJ 330 Ω (331) R72 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R81 7030000320 S.RESISTOR MCR10EZHJ 330 Ω (331) R82 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω)

C101 4030008630 S.CERAMIC C1608 JF 1C 104Z-T-A

J101 6510019980 S.CONNECTOR 52808-1690

DS11 5040002510 S.LED TLYE1002DS12 5040002510 S.LED TLYE1002DS13 5040002510 S.LED TLYE1002DS21 5040002510 S.LED TLYE1002DS22 5040002510 S.LED TLYE1002DS23 5040002510 S.LED TLYE1002DS31 5040002510 S.LED TLYE1002DS32 5040002510 S.LED TLYE1002DS33 5040002510 S.LED TLYE1002DS41 5040002510 S.LED TLYE1002DS42 5040002510 S.LED TLYE1002DS43 5040002510 S.LED TLYE1002DS51 5040002510 S.LED TLYE1002DS52 5040002510 S.LED TLYE1002DS53 5040002510 S.LED TLYE1002DS61 5040002510 S.LED TLYE1002DS62 5040002510 S.LED TLYE1002DS63 5040002510 S.LED TLYE1002DS71 5040002510 S.LED TLYE1002DS72 5040002510 S.LED TLYE1002DS73 5040002510 S.LED TLYE1002DS81 5040002510 S.LED TLYE1002DS82 5040002510 S.LED TLYE1002DS83 5040002510 S.LED TLYE1002DS101 5030001690 LCD HLC7395-012400

EP1 0910051372 PCB B 5303BEP2 8930049630 LCD CONTACT SRCN-2240-SP-N-W

IC391 1110003970 S.IC µPC1658G-E1IC551 1130007570 S.IC BU4094BCFV-E2IC552 1130007570 S.IC BU4094BCFV-E2IC561 1160000130 S.IC TD62783AF (TP1) IC562 1160000130 S.IC TD62783AF (TP1) IC731 1110003140 IC LA1150NIC811 1110002600 S.IC MC1496 DIC1001 1110003200 S.IC TA31136FN (EL) IC1101 1110002600 S.IC MC1496 DIC1201 1130009100 S.IC BU4052BCFV-E2IC1211 1110003870 S.IC NJM2058M-T1IC1251 1110003300 S.IC M5282FP 70CDIC1281 1130009100 S.IC BU4052BCFV-E2IC1291 1110003090 IC LA4425AIC1361 1180000970 S.IC AN78L05M-(E1)

5 - 3

REF ORDER DESCRIPTIONNO. NO.

[DISPLAY BOARD]

IC1371 1180001530 IC PQ30RV31IC1391 1180001250 S.IC TA7808F (TE16L) IC1401 1180001070 S.IC TA7805F (TE16L) IC1411 1110001400 S.IC µPC1555G2-T1IC1601 1130007570 S.IC BU4094BCFV-E2IC1602 1130007570 S.IC BU4094BCFV-E2IC1603 1160000130 S.IC TD62783AF (TP1) IC1751 1120002510 S.IC DS14C232TMIC1771 1130005720 S.IC TC7W04F (TE12L) IC2001 1110004940 S.IC MC13022ADWR3

Q151 1590000680 S.TRANSISTOR DTC114EUA T106Q381 1560000720 S.FET 2SK2171-4-TDQ382 1560000720 S.FET 2SK2171-4-TDQ383 1590001960 S.TRANSISTOR XP4311 (TX) Q391 1590001960 S.TRANSISTOR XP4311 (TX) Q411 1530003150 S.TRANSISTOR 2SC4673D-TDQ441 1560000640 S.FET 2SK1740-TAQ442 1560000640 S.FET 2SK1740-TAQ471 1580000620 S.FET 3SK131-T2 MASQ472 1590001960 S.TRANSISTOR XP4311 (TX) Q721 1580000620 S.FET 3SK131-T2 MASQ731 1560000560 S.FET 2SK882-GR (TE85L) Q732 1510000510 S.TRANSISTOR 2SA1576A T106RQ733 1530002060 S.TRANSISTOR 2SC4081 T107 RQ734 1530002060 S.TRANSISTOR 2SC4081 T107 RQ735 1530002060 S.TRANSISTOR 2SC4081 T107 RQ736 1590000680 S.TRANSISTOR DTC114EUA T106Q737 1590001960 S.TRANSISTOR XP4311 (TX) Q801 1530002060 S.TRANSISTOR 2SC4081 T107 RQ891 1580000620 S.FET 3SK131-T2 MASQ911 1560000560 S.FET 2SK882-GR (TE85L) Q912 1530002060 S.TRANSISTOR 2SC4081 T107 RQ1001 1560000560 S.FET 2SK882-GR (TE85L) Q1031 1530002060 S.TRANSISTOR 2SC4081 T107 RQ1051 1530002060 S.TRANSISTOR 2SC4081 T107 RQ1061 1590001960 S.TRANSISTOR XP4311 (TX) Q1063 1530002060 S.TRANSISTOR 2SC4081 T107 RQ1064 1590001960 S.TRANSISTOR XP4311 (TX) Q1065 1590001960 S.TRANSISTOR XP4311 (TX) Q1066 1590001960 S.TRANSISTOR XP4311 (TX) Q1311 1530002060 S.TRANSISTOR 2SC4081 T107 RQ1381 1540000550 S.TRANSISTOR 2SD1664 T100QQ1382 1590000680 S.TRANSISTOR DTC114EUA T106Q1771 1510000510 S.TRANSISTOR 2SA1576A T106RQ1772 1530002060 S.TRANSISTOR 2SC4081 T107 RQ2021 1590000680 S.TRANSISTOR DTC114EUA T106

D141 1750000300 S.DIODE 1SS302 (TE85R) D142 1750000300 S.DIODE 1SS302 (TE85R) D151 1750000450 S.DIODE 1SV265-TLD172 1790000620 S.DIODE MA77 (TX) D181 1750000450 S.DIODE 1SV265-TLD182 1790000620 S.DIODE MA77 (TX) D202 1790000620 S.DIODE MA77 (TX) D221 1750000450 S.DIODE 1SV265-TLD222 1790000620 S.DIODE MA77 (TX) D242 1790000620 S.DIODE MA77 (TX) D261 1750000450 S.DIODE 1SV265-TLD262 1790000620 S.DIODE MA77 (TX) D282 1790000620 S.DIODE MA77 (TX) D301 1750000450 S.DIODE 1SV265-TLD302 1790000620 S.DIODE MA77 (TX) D322 1790000620 S.DIODE MA77 (TX) D341 1750000440 S.DIODE 1SV263-TLD342 1790000620 S.DIODE MA77 (TX) D371 1790000620 S.DIODE MA77 (TX) D372 1790000620 S.DIODE MA77 (TX) D381 1790000620 S.DIODE MA77 (TX) D382 1790000620 S.DIODE MA77 (TX) D391 1790000620 S.DIODE MA77 (TX) D392 1790000620 S.DIODE MA77 (TX) D491 1750000430 S.DIODE HSB88WSTRD711 1790000620 S.DIODE MA77 (TX) D712 1790000620 S.DIODE MA77 (TX) D713 1790000620 S.DIODE MA77 (TX) D714 1790000620 S.DIODE MA77 (TX) D731 1790001210 S.DIODE 1SS375-TLD732 1750000550 S.DIODE 1SS355 TE-17D761 1790000620 S.DIODE MA77 (TX)

REF ORDER DESCRIPTIONNO. NO.

[MAIN UNIT]

REF ORDER DESCRIPTIONNO. NO.

[MAIN UNIT]

Page 23: IC-R75 service manual

5 - 4

S.=Surface mount

D762 1790000620 S.DIODE MA77 (TX) D763 1790000620 S.DIODE MA77 (TX) D764 1790000620 S.DIODE MA77 (TX) D771 1790000620 S.DIODE MA77 (TX) D772 1790000620 S.DIODE MA77 (TX) D773 1790000620 S.DIODE MA77 (TX) D774 1790000620 S.DIODE MA77 (TX) D781 1790000620 S.DIODE MA77 (TX) D782 1790000620 S.DIODE MA77 (TX) D783 1790000620 S.DIODE MA77 (TX) D784 1790000620 S.DIODE MA77 (TX) D831 1750000300 S.DIODE 1SS302 (TE85R) D851 1790000620 S.DIODE MA77 (TX) D852 1790000620 S.DIODE MA77 (TX) D861 1790000620 S.DIODE MA77 (TX) D862 1790000620 S.DIODE MA77 (TX) D871 1790000620 S.DIODE MA77 (TX) D872 1790000620 S.DIODE MA77 (TX) D881 1790000620 S.DIODE MA77 (TX) D882 1790000620 S.DIODE MA77 (TX) D1051 1790001210 S.DIODE 1SS375-TLD1061 1790001210 S.DIODE 1SS375-TLD1311 1750000550 S.DIODE 1SS355 TE-17D1351 1790000700 DIODE DSA3A1D1371 1750000550 S.DIODE 1SS355 TE-17D1381 1750000300 S.DIODE 1SS302 (TE85R) D1412 1750000300 S.DIODE 1SS302 (TE85R) D1413 1730002320 S.ZENER MA8051-M (TX) D1771 1750000550 S.DIODE 1SS355 TE-17

FI461 2010002090 FILTER FL-261 (69.0115 MHz) FI701 2010000270 FILTER 9M15A (FL-23) FI761 2010002130 D.FILTER FL-272 (9.0115 MHz) FI851 2020000210 CERAMIC CFJ455K5 (FL-65) FI861 2020001460 CERAMIC CFWS450HTFI871 2020001210 CERAMIC CFWS450E

X1001 6070000200 DISCRIMINATOR CDB450C24X2021 6060000720 CERAMIC CSA3.60MGF103

L101 6140002070 COIL LR-233L131 6200003430 S.COIL NL 322522T-R10JL132 6200003420 S.COIL NL 322522T-R15J-3L151 6200005490 S.COIL NL 322522T-331JL161 6200005490 S.COIL NL 322522T-331JL162 6200008790 S.COIL ACL3225S-4R7KL163 6200008800 S.COIL ACL3225S-5R6KL171 6200005490 S.COIL NL 322522T-331JL172 6200002960 S.COIL NL 322522T-4R7J-3L173 6200003110 S.COIL NL 322522T-6R8JL181 6200005490 S.COIL NL 322522T-331JL182 6200003090 S.COIL NL 322522T-2R7J-3L183 6200003100 S.COIL NL 322522T-3R9J-3L184 6200005490 S.COIL NL 322522T-331JL201 6200005490 S.COIL NL 322522T-331JL202 6200002990 S.COIL NL 322522T-2R2J-3L203 6200002990 S.COIL NL 322522T-2R2J-3L204 6200003320 S.COIL NL 322522T-3R3J-3L205 6200002960 S.COIL NL 322522T-4R7J-3L221 6200003240 S.COIL NL 322522T-221JL222 6200003080 S.COIL NL 322522T-1R8J-3L223 6200003060 S.COIL NL 322522T-1R2J-3L224 6200003070 S.COIL NL 322522T-1R5J-3L225 6200003070 S.COIL NL 322522T-1R5J-3L241 6200003240 S.COIL NL 322522T-221JL242 6200003060 S.COIL NL 322522T-1R2J-3L243 6200003330 S.COIL NL 322522T-1R0J-3L244 6200003330 S.COIL NL 322522T-1R0J-3L245 6200003080 S.COIL NL 322522T-1R8J-3L261 6200003240 S.COIL NL 322522T-221JL262 6200003250 S.COIL NL 322522T-R39J-3L263 6200002980 S.COIL NL 322522T-R56J-3L264 6200003040 S.COIL NL 322522T-R68J-3L265 6200003330 S.COIL NL 322522T-1R0J-3L281 6200001830 S.COIL NL 322522T-100JL282 6200003020 S.COIL NL 322522T-R33J-3L283 6200003250 S.COIL NL 322522T-R39J-3L284 6200003030 S.COIL NL 322522T-R47J-3L285 6200003030 S.COIL NL 322522T-R47J-3

REF ORDER DESCRIPTIONNO. NO.

[MAIN UNIT]

L301 6200001830 S.COIL NL 322522T-100JL302 6200003020 S.COIL NL 322522T-R33J-3L303 6200003010 S.COIL NL 322522T-R27J-3L304 6200003020 S.COIL NL 322522T-R33J-3L305 6200003030 S.COIL NL 322522T-R47J-3L321 6200001830 S.COIL NL 322522T-100JL322 6200003000 S.COIL NL 322522T-R22J-3L323 6200003420 S.COIL NL 322522T-R15J-3L324 6180002960 S.COIL NL 322522T-R18J-3L325 6200003000 S.COIL NL 322522T-R22J-3L326 6200003000 S.COIL NL 322522T-R22J-3L341 6200001830 S.COIL NL 322522T-100JL342 6200001470 S.COIL NL 322522T-R12J-3L343 6200003420 S.COIL NL 322522T-R15J-3L345 6200003420 S.COIL NL 322522T-R15J-3L346 6200001470 S.COIL NL 322522T-R12J-3L361 6200005490 S.COIL NL 322522T-331JL362 6200005490 S.COIL NL 322522T-331JL371 6200003240 S.COIL NL 322522T-221JL381 6140000640 COIL LR-86L382 6200003070 S.COIL NL 322522T-1R5J-3L383 6140001500 COIL LR-171L384 6200005490 S.COIL NL 322522T-331JL385 6170000290 COIL LW-30L391 6200003240 S.COIL NL 322522T-221JL392 6200003240 S.COIL NL 322522T-221JL401 6200005490 S.COIL NL 322522T-331JL411 6200003000 S.COIL NL 322522T-R22J-3L412 6200003020 S.COIL NL 322522T-R33J-3L413 6200001830 S.COIL NL 322522T-100JL421 6200003430 S.COIL NL 322522T-R10JL422 6200003420 S.COIL NL 322522T-R15J-3L431 6200003430 S.COIL NL 322522T-R10JL432 6200003420 S.COIL NL 322522T-R15J-3L441 6140001500 COIL LR-171L442 6200003430 S.COIL NL 322522T-R10JL443 6150004270 COIL LS-483A (C-14924) L444 6200001830 S.COIL NL 322522T-100JL461 6150004270 COIL LS-483A (C-14924) L462 6150004270 COIL LS-483A (C-14924) L471 6150004280 COIL LS-484B (C-14927) L491 6140002810 S.COIL LR-317L492 6140002810 S.COIL LR-317L701 6150000711 COIL LS-452L711 6150000711 COIL LS-452L712 6150000711 COIL LS-452L721 6200001830 S.COIL NL 322522T-100JL731 6150004050 COIL LS-466L732 6150004050 COIL LS-466L733 6200003240 S.COIL NL 322522T-221JL891 6150002291 COIL LS-450L892 6150002291 COIL LS-450L911 6150002291 COIL LS-450L1001 6200003240 S.COIL NL 322522T-221JL1291 6170000140 COIL LW-15L1311 6200003240 S.COIL NL 322522T-221JL1321 6200003950 S.COIL HF50ACC 322513-TL1411 6200003240 S.COIL NL 322522T-221JL1412 6200005490 S.COIL NL 322522T-331JL1771 6200003240 S.COIL NL 322522T-221JL2011 6200005490 S.COIL NL 322522T-331JL2041 6200003240 S.COIL NL 322522T-221J

R101 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R102 7540000090 ABSORBER DSP-201M-S00BR111 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R112 7540000090 ABSORBER DSP-201M-S00BR141 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R142 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R143 7030003380 S.RESISTOR ERJ3GEYJ 331 V (330 Ω) R144 7030003300 S.RESISTOR ERJ3GEYJ 680 V (68 Ω) R151 7030006260 S.RESISTOR ERJ12YJ471H (470 Ω) R152 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R171 7030003370 S.RESISTOR ERJ3GEYJ 271 V (270 Ω) R172 7030003230 S.RESISTOR ERJ3GEYJ 180 V (18 Ω) R173 7030003370 S.RESISTOR ERJ3GEYJ 271 V (270 Ω) R174 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R181 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R201 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R221 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R241 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω)

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Page 24: IC-R75 service manual

S.=Surface mount

R261 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R281 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R301 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R321 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R341 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R361 7030006260 S.RESISTOR ERJ12YJ471H (470 Ω) R362 7030006260 S.RESISTOR ERJ12YJ471H (470 Ω) R371 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R372 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R381 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R382 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω) R383 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω) R384 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R385 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R386 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R391 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R392 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R393 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R394 7030003370 S.RESISTOR ERJ3GEYJ 271 V (270 Ω) R395 7030003230 S.RESISTOR ERJ3GEYJ 180 V (18 Ω) R396 7030003370 S.RESISTOR ERJ3GEYJ 271 V (270 Ω) R401 7030006260 S.RESISTOR ERJ12YJ471H (470 Ω) R411 7030003300 S.RESISTOR ERJ3GEYJ 680 V (68 Ω) R412 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) R413 7030003410 S.RESISTOR ERJ3GEYJ 561 V (560 Ω) R414 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R415 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω) R442 7030003410 S.RESISTOR ERJ3GEYJ 561 V (560 Ω) R443 7030003410 S.RESISTOR ERJ3GEYJ 561 V (560 Ω) R444 7310002720 S.TRIMMER RV-148 (RH03A3AS3X0DA) 472R445 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω) R446 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R447 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω) R448 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R449 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R471 7030003760 S.RESISTOR ERJ3GEYJ 474 V (470 kΩ) R472 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω) R473 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R474 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) R475 7030003580 S.RESISTOR ERJ3GEYJ 153 V (15 kΩ) R476 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R477 7030003340 S.RESISTOR ERJ3GEYJ 151 V (150 Ω) R478 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R479 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω) R491 7030003370 S.RESISTOR ERJ3GEYJ 271 V (270 Ω) R492 7030003230 S.RESISTOR ERJ3GEYJ 180 V (18 Ω) R493 7030003370 S.RESISTOR ERJ3GEYJ 271 V (270 Ω) R563 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R564 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R565 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R566 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R567 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R568 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R569 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R570 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R571 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R572 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R573 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R574 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R575 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R576 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R577 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R578 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R579 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R580 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R583 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R587 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R588 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R589 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R590 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R591 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R592 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R593 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R711 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R712 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R713 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R721 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) R722 7030003610 S.RESISTOR ERJ3GEYJ 273 V (27 kΩ) R723 7030003760 S.RESISTOR ERJ3GEYJ 474 V (470 kΩ) R724 7030003340 S.RESISTOR ERJ3GEYJ 151 V (150 Ω) R725 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R731 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ)

5 - 5

REF ORDER DESCRIPTIONNO. NO.

[MAIN UNIT]

R732 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) R733 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R734 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R735 7030003600 S.RESISTOR ERJ3GEYJ 223 V (22 kΩ) R736 7310002740 S.TRIMMER RV-150 (RH03A3A14X0FC) 103R737 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R738 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R739 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R740 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R741 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) R742 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R743 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R744 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) R745 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) R746 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ) R747 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R748 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R749 7030003600 S.RESISTOR ERJ3GEYJ 223 V (22 kΩ) R750 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R751 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω) R761 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R762 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R763 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R764 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R765 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R771 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R772 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R773 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R774 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R775 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R781 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R782 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R783 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R784 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R785 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R791 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R792 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) R793 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R794 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R795 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) R796 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R801 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R802 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R811 7030003460 S.RESISTOR ERJ3GEYJ 152 V (1.5 kΩ) R812 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R813 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R814 7030003500 S.RESISTOR ERJ3GEYJ 332 V (3.3 kΩ) R815 7030003500 S.RESISTOR ERJ3GEYJ 332 V (3.3 kΩ) R816 7030003490 S.RESISTOR ERJ3GEYJ 272 V (2.7 kΩ) R817 7030003490 S.RESISTOR ERJ3GEYJ 272 V (2.7 kΩ) R818 7030003490 S.RESISTOR ERJ3GEYJ 272 V (2.7 kΩ) R819 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R820 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R821 7030003500 S.RESISTOR ERJ3GEYJ 332 V (3.3 kΩ) R822 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R823 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R824 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R825 7510001270 S.THERMISTOR NTCCM1608 3NH 681KCR831 7030004710 S.RESISTOR ERJ3GEYJ 475 V (4.7 MΩ) R832 7030004710 S.RESISTOR ERJ3GEYJ 475 V (4.7 MΩ) R833 7030004710 S.RESISTOR ERJ3GEYJ 475 V (4.7 MΩ) R834 7030004710 S.RESISTOR ERJ3GEYJ 475 V (4.7 MΩ) R835 7030003820 S.RESISTOR ERJ3GEYJ 155 V (1.5 MΩ) R836 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) R841 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R851 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R852 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R853 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R854 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R855 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R861 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R862 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R863 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R864 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R865 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R871 7030003510 S.RESISTOR ERJ3GEYJ 392 V (3.9 kΩ) R872 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R873 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R874 7030003510 S.RESISTOR ERJ3GEYJ 392 V (3.9 kΩ) R875 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R881 7030003510 S.RESISTOR ERJ3GEYJ 392 V (3.9 kΩ) R882 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω)

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5 - 6

S.=Surface mount

R883 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R884 7030003510 S.RESISTOR ERJ3GEYJ 392 V (3.9 kΩ) R885 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R891 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R892 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R893 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R894 7030003600 S.RESISTOR ERJ3GEYJ 223 V (22 kΩ) R895 7030003380 S.RESISTOR ERJ3GEYJ 331 V (330 Ω) R896 7030003500 S.RESISTOR ERJ3GEYJ 332 V (3.3 kΩ) R897 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R898 7310002740 S.TRIMMER RV-150 (RH03A3A14X0FC) 103R911 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R912 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R913 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R914 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R915 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R1001 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) R1002 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R1003 7030003700 S.RESISTOR ERJ3GEYJ 154 V (150 kΩ) R1004 7030003500 S.RESISTOR ERJ3GEYJ 332 V (3.3 kΩ) R1005 7030003720 S.RESISTOR ERJ3GEYJ 224 V (220 kΩ) R1006 7030003460 S.RESISTOR ERJ3GEYJ 152 V (1.5 kΩ) R1007 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R1008 7030003720 S.RESISTOR ERJ3GEYJ 224 V (220 kΩ) R1021 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R1022 7030003630 S.RESISTOR ERJ3GEYJ 393 V (39 kΩ) R1023 7030003660 S.RESISTOR ERJ3GEYJ 683 V (68 kΩ) R1024 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R1031 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R1032 7030003720 S.RESISTOR ERJ3GEYJ 224 V (220 kΩ) R1033 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R1051 7030003490 S.RESISTOR ERJ3GEYJ 272 V (2.7 kΩ) R1052 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) R1053 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R1061 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) R1062 7030003600 S.RESISTOR ERJ3GEYJ 223 V (22 kΩ) R1063 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R1064 7030003780 S.RESISTOR ERJ3GEYJ 684 V (680 kΩ) R1065 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) R1066 7030003600 S.RESISTOR ERJ3GEYJ 223 V (22 kΩ) R1067 7030003740 S.RESISTOR ERJ3GEYJ 334 V (330 kΩ) R1068 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R1081 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R1082 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R1084 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R1101 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R1102 7030003460 S.RESISTOR ERJ3GEYJ 152 V (1.5 kΩ) R1103 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R1104 7030003500 S.RESISTOR ERJ3GEYJ 332 V (3.3 kΩ) R1105 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R1106 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R1107 7030003460 S.RESISTOR ERJ3GEYJ 152 V (1.5 kΩ) R1108 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R1109 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R1110 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R1111 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R1201 7030003660 S.RESISTOR ERJ3GEYJ 683 V (68 kΩ) R1202 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R1204 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R1205 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R1211 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R1212 7030003630 S.RESISTOR ERJ3GEYJ 393 V (39 kΩ) R1213 7030003630 S.RESISTOR ERJ3GEYJ 393 V (39 kΩ) R1214 7030003630 S.RESISTOR ERJ3GEYJ 393 V (39 kΩ) R1215 7030003630 S.RESISTOR ERJ3GEYJ 393 V (39 kΩ) R1231 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R1232 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R1233 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R1234 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R1235 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R1236 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R1251 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) R1252 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) R1253 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) R1254 7310002720 S.TRIMMER RV-148 (RH03A3AS3X0DA) 472R1255 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R1256 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R1257 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R1258 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) R1259 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) R1260 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R1261 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ)

REF ORDER DESCRIPTIONNO. NO.

[MAIN UNIT]

R1262 7030003550 S.RESISTOR ERJ3GEYJ 822 V (8.2 kΩ) R1263 7030003610 S.RESISTOR ERJ3GEYJ 273 V (27 kΩ) R1271 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R1272 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R1281 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) R1291 7030003550 S.RESISTOR ERJ3GEYJ 822 V (8.2 kΩ) R1292 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R1293 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R1311 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) R1312 7030003620 S.RESISTOR ERJ3GEYJ 333 V (33 kΩ) R1313 7030003580 S.RESISTOR ERJ3GEYJ 153 V (15 kΩ) R1314 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R1351 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R1371 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) R1372 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R1374 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) R1381 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω) R1382 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R1401 7070001060 RESISTOR ERG2SJ 120R1411 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R1412 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R1413 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) R1414 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R1415 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R1416 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R1771 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 kΩ) R1772 7030003620 S.RESISTOR ERJ3GEYJ 333 V (33 kΩ) R1773 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R1774 7030003580 S.RESISTOR ERJ3GEYJ 153 V (15 kΩ) R2001 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R2002 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R2011 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R2012 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) R2021 7030003510 S.RESISTOR ERJ3GEYJ 392 V (3.9 kΩ) R2022 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R2031 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R2032 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R2051 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ)

C101 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC111 4030010210 S.CERAMIC C3216 JB 1C 105M-T-AC121 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC131 4030007070 S.CERAMIC C1608 CH 1H 330J-T-AC132 4030007070 S.CERAMIC C1608 CH 1H 330J-T-AC133 4030007040 S.CERAMIC C1608 CH 1H 180J-T-AC134 4030007120 S.CERAMIC C1608 CH 1H 820J-T-AC135 4030007040 S.CERAMIC C1608 CH 1H 180J-T-AC136 4030007100 S.CERAMIC C1608 CH 1H 560J-T-AC141 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC151 4030010210 S.CERAMIC C3216 JB 1C 105M-T-AC152 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC161 4030008470 S.CERAMIC C1608 JB 1H 272K-T-AC162 4030009880 S.CERAMIC C1608 JB 1H 682K-T-AC163 4030009980 S.CERAMIC C1608 JB 1H 152K-T-AC164 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC170 4510004640 S.ELECTROLYTIC ECEV1CA470SPC171 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC172 4030008650 S.CERAMIC C1608 JB 1H 332K-T-AC173 4030010240 S.CERAMIC C1608 JB 1H 391K-T-AC174 4030008650 S.CERAMIC C1608 JB 1H 332K-T-AC175 4030010210 S.CERAMIC C3216 JB 1C 105M-T-AC176 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC181 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC182 4030006860 S.CERAMIC C1608 JB 1H 102K-T-AC183 4030009580 S.CERAMIC C1608 JB 1H 681K-T-AC184 4030006870 S.CERAMIC C1608 JB 1H 222K-T-AC185 4030007170 S.CERAMIC C1608 CH 1H 221J-T-AC186 4030010020 S.CERAMIC C1608 JB 1H 122K-T-AC187 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC188 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC201 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC202 4030010020 S.CERAMIC C1608 JB 1H 122K-T-AC203 4030007130 S.CERAMIC C1608 CH 1H 101J-T-AC204 4030010020 S.CERAMIC C1608 JB 1H 122K-T-AC205 4030009880 S.CERAMIC C1608 JB 1H 682K-T-AC206 4030009880 S.CERAMIC C1608 JB 1H 682K-T-AC207 4030009980 S.CERAMIC C1608 JB 1H 152K-T-AC208 4030009980 S.CERAMIC C1608 JB 1H 152K-T-AC209 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC221 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC222 4030010240 S.CERAMIC C1608 JB 1H 391K-T-A

REF ORDER DESCRIPTIONNO. NO.

[MAIN UNIT]

Page 26: IC-R75 service manual

S.=Surface mount

C223 4030007140 S.CERAMIC C1608 CH 1H 121J-T-AC224 4030007130 S.CERAMIC C1608 CH 1H 101J-T-AC225 4030006850 S.CERAMIC C1608 JB 1H 471K-T-AC226 4030006870 S.CERAMIC C1608 JB 1H 222K-T-AC227 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC228 4030006860 S.CERAMIC C1608 JB 1H 102K-T-AC229 4030009580 S.CERAMIC C1608 JB 1H 681K-T-AC230 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC241 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC242 4030010760 S.CERAMIC C1608 CH 1H 331J-T-AC243 4030007090 S.CERAMIC C1608 CH 1H 470J-T-AC244 4030007160 S.CERAMIC C1608 CH 1H 181J-T-AC245 4030010040 S.CERAMIC C1608 JB 1H 561K-T-AC246 4030008470 S.CERAMIC C1608 JB 1H 272K-T-AC247 4030010760 S.CERAMIC C1608 CH 1H 331J-T-AC248 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC261 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC262 4030011280 S.CERAMIC C1608 CH 1H 271J-T-AC263 4030007090 S.CERAMIC C1608 CH 1H 470J-T-AC264 4030007150 S.CERAMIC C1608 CH 1H 151J-T-AC265 4030006850 S.CERAMIC C1608 JB 1H 471K-T-AC266 4030010020 S.CERAMIC C1608 JB 1H 122K-T-AC267 4030007140 S.CERAMIC C1608 CH 1H 121J-T-AC268 4030007140 S.CERAMIC C1608 CH 1H 121J-T-AC269 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC281 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC282 4030007160 S.CERAMIC C1608 CH 1H 181J-T-AC283 4030007030 S.CERAMIC C1608 CH 1H 150J-T-AC284 4030007030 S.CERAMIC C1608 CH 1H 150J-T-AC285 4030007130 S.CERAMIC C1608 CH 1H 101J-T-AC286 4030007150 S.CERAMIC C1608 CH 1H 151J-T-AC287 4030007150 S.CERAMIC C1608 CH 1H 151J-T-AC288 4030010020 S.CERAMIC C1608 JB 1H 122K-T-AC289 4030007150 S.CERAMIC C1608 CH 1H 151J-T-AC290 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC301 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC302 4030006990 S.CERAMIC C1608 CH 1H 080D-T-AC303 4030007160 S.CERAMIC C1608 CH 1H 181J-T-AC304 4030007060 S.CERAMIC C1608 CH 1H 270J-T-AC305 4030007140 S.CERAMIC C1608 CH 1H 121J-T-AC306 4030007160 S.CERAMIC C1608 CH 1H 181J-T-AC307 4030010020 S.CERAMIC C1608 JB 1H 122K-T-AC308 4030007130 S.CERAMIC C1608 CH 1H 101J-T-AC309 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC321 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC322 4030007110 S.CERAMIC C1608 CH 1H 680J-T-AC323 4030007080 S.CERAMIC C1608 CH 1H 390J-T-AC324 4030007110 S.CERAMIC C1608 CH 1H 680J-T-AC325 4030007010 S.CERAMIC C1608 CH 1H 100D-T-AC326 4030007010 S.CERAMIC C1608 CH 1H 100D-T-AC327 4030007110 S.CERAMIC C1608 CH 1H 680J-T-AC328 4030007170 S.CERAMIC C1608 CH 1H 221J-T-AC329 4030010240 S.CERAMIC C1608 JB 1H 391K-T-AC330 4030007100 S.CERAMIC C1608 CH 1H 560J-T-AC331 4030007050 S.CERAMIC C1608 CH 1H 220J-T-AC332 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC333 4030007070 S.CERAMIC C1608 CH 1H 330J-T-AC341 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC342 4030007110 S.CERAMIC C1608 CH 1H 680J-T-AC344 4030007020 S.CERAMIC C1608 CH 1H 120J-T-AC345 4030007080 S.CERAMIC C1608 CH 1H 390J-T-AC346 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC349 4030007100 S.CERAMIC C1608 CH 1H 560J-T-AC350 4030007160 S.CERAMIC C1608 CH 1H 181J-T-AC351 4030007090 S.CERAMIC C1608 CH 1H 470J-T-AC352 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC361 4030010210 S.CERAMIC C3216 JB 1C 105M-T-AC371 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC372 4030007010 S.CERAMIC C1608 CH 1H 100D-T-AC381 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC382 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC383 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC384 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC385 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC386 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC391 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC392 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC393 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC394 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC395 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC396 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC397 4030011600 S.CERAMIC C1608 JB 1C 104KT-N

5 - 7

REF ORDER DESCRIPTIONNO. NO.

[MAIN UNIT]

C401 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC411 4030007080 S.CERAMIC C1608 CH 1H 390J-T-AC412 4030007130 S.CERAMIC C1608 CH 1H 101J-T-AC413 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC414 4030006860 S.CERAMIC C1608 JB 1H 102K-T-AC415 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC422 4030006970 S.CERAMIC C1608 CH 1H 060D-T-AC423 4030007040 S.CERAMIC C1608 CH 1H 180J-T-AC424 4030006920 S.CERAMIC C1608 CH 1H 010C-T-AC425 4030007040 S.CERAMIC C1608 CH 1H 180J-T-AC431 4030007070 S.CERAMIC C1608 CH 1H 330J-T-AC432 4030007070 S.CERAMIC C1608 CH 1H 330J-T-AC433 4030007040 S.CERAMIC C1608 CH 1H 180J-T-AC434 4030007120 S.CERAMIC C1608 CH 1H 820J-T-AC435 4030007040 S.CERAMIC C1608 CH 1H 180J-T-AC436 4030007100 S.CERAMIC C1608 CH 1H 560J-T-AC442 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC443 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC444 4030006990 S.CERAMIC C1608 CH 1H 080D-T-AC445 4030006950 S.CERAMIC C1608 CH 1H 040C-T-AC446 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC447 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC448 4030007130 S.CERAMIC C1608 CH 1H 101J-T-AC461 4030006980 S.CERAMIC C1608 CH 1H 070D-T-AC462 4030006930 S.CERAMIC C1608 CH 1H 020C-T-AC471 4030007050 S.CERAMIC C1608 CH 1H 220J-T-AC472 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC473 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC474 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC475 4030007020 S.CERAMIC C1608 CH 1H 120J-T-AC476 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC492 4030007110 S.CERAMIC C1608 CH 1H 680J-T-AC551 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC552 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC561 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC562 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC701 4030006930 S.CERAMIC C1608 CH 1H 020C-T-AC711 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC712 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC721 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC722 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC723 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC724 4030007050 S.CERAMIC C1608 CH 1H 220J-T-AC725 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC726 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC731 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC732 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC733 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC734 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC735 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC736 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC737 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC738 4030007150 S.CERAMIC C1608 CH 1H 151J-T-AC739 4510004430 S.ELECTROLYTIC ECEV1CV220WRC740 4030007050 S.CERAMIC C1608 CH 1H 220J-T-AC741 4510004640 S.ELECTROLYTIC ECEV1CA470SPC742 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC743 4510004630 S.ELECTROLYTIC ECEV1CA100SRC761 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC762 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC771 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC772 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC773 4030007030 S.CERAMIC C1608 CH 1H 150J-T-AC781 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC782 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC791 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC792 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC801 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC811 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC813 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC814 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC816 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC818 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC831 4030008650 S.CERAMIC C1608 JB 1H 332K-T-AC841 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC851 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC852 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC861 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC862 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC871 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC872 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC881 4030011600 S.CERAMIC C1608 JB 1C 104KT-N

REF ORDER DESCRIPTIONNO. NO.

[MAIN UNIT]

Page 27: IC-R75 service manual

5 - 8

S.=Surface mount

C882 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC891 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC892 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC893 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC894 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC895 4030007050 S.CERAMIC C1608 CH 1H 220J-T-AC896 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC897 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC911 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC912 4030007170 S.CERAMIC C1608 CH 1H 221J-T-AC913 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC914 4510005860 S.ELECTROLYTIC ECEV1HA2R2SRC1001 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1002 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC1003 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1004 4030007170 S.CERAMIC C1608 CH 1H 221J-T-AC1005 4030007170 S.CERAMIC C1608 CH 1H 221J-T-AC1006 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC1007 4030007130 S.CERAMIC C1608 CH 1H 101J-T-AC1008 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1009 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1010 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1021 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1022 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC1023 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC1024 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1031 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1051 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1061 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC1062 4030007130 S.CERAMIC C1608 CH 1H 101J-T-AC1063 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1064 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1065 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1066 4510005860 S.ELECTROLYTIC ECEV1HA2R2SRC1067 4510004430 S.ELECTROLYTIC ECEV1CV220WRC1081 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC1085 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC1089 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC1090 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1101 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1102 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1103 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1201 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC1202 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC1211 4030009980 S.CERAMIC C1608 JB 1H 152K-T-AC1212 4030010020 S.CERAMIC C1608 JB 1H 122K-T-AC1213 4030008650 S.CERAMIC C1608 JB 1H 332K-T-AC1214 4030010040 S.CERAMIC C1608 JB 1H 561K-T-AC1215 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1216 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1217 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1231 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC1251 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1253 4030010760 S.CERAMIC C1608 CH 1H 331J-T-AC1254 4510005860 S.ELECTROLYTIC ECEV1HA2R2SRC1255 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC1256 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1257 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1258 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1259 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1260 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1261 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1262 4510005860 S.ELECTROLYTIC ECEV1HA2R2SRC1271 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC1272 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1281 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC1282 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC1292 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1293 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1294 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1295 4510004590 ELECTROLYTIC 16 MV 470 HCC1296 4510004590 ELECTROLYTIC 16 MV 470 HCC1311 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC1312 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC1321 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC1351 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC1352 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC1353 4510004510 ELECTROLYTIC 25 MV 470 HCC1361 4510005860 S.ELECTROLYTIC ECEV1HA2R2SRC1362 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1363 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1364 4030011600 S.CERAMIC C1608 JB 1C 104KT-N

REF ORDER DESCRIPTIONNO. NO.

[MAIN UNIT]

C1365 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1371 4510005860 S.ELECTROLYTIC ECEV1HA2R2SRC1372 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1373 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1374 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1375 4510004590 ELECTROLYTIC 16 MV 470 HCC1376 4030010210 S.CERAMIC C3216 JB 1C 105M-T-AC1381 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1382 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1391 4510004590 ELECTROLYTIC 16 MV 470 HCC1392 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1393 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1394 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1401 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1402 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1403 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1404 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1411 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1412 4510004640 S.ELECTROLYTIC ECEV1CA470SPC1413 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1414 4510004430 S.ELECTROLYTIC ECEV1CV220WRC1415 4030006860 S.CERAMIC C1608 JB 1H 102K-T-AC1416 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC1417 4510004640 S.ELECTROLYTIC ECEV1CA470SPC1418 4510004640 S.ELECTROLYTIC ECEV1CA470SPC1419 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1420 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1421 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1422 4510004640 S.ELECTROLYTIC ECEV1CA470SPC1502 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC1521 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC1601 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1602 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1603 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1751 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1752 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1753 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1754 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1755 4510004630 S.ELECTROLYTIC ECEV1CA100SRC1756 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC1771 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC2001 4030006860 S.CERAMIC C1608 JB 1H 102K-T-AC2011 4030010760 S.CERAMIC C1608 CH 1H 331J-T-AC2012 4030007070 S.CERAMIC C1608 CH 1H 330J-T-AC2013 4510004630 S.ELECTROLYTIC ECEV1CA100SRC2014 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC2015 4030006900 S.CERAMIC C1608 JB 1E 103K-T-AC2016 4510004630 S.ELECTROLYTIC ECEV1CA100SRC2021 4030006860 S.CERAMIC C1608 JB 1H 102K-T-AC2022 4030007080 S.CERAMIC C1608 CH 1H 390J-T-AC2023 4030007020 S.CERAMIC C1608 CH 1H 120J-T-AC2024 4510004640 S.ELECTROLYTIC ECEV1CA470SPC2031 4030006860 S.CERAMIC C1608 JB 1H 102K-T-AC2032 4030006860 S.CERAMIC C1608 JB 1H 102K-T-AC2033 4030006860 S.CERAMIC C1608 JB 1H 102K-T-AC2034 4030006860 S.CERAMIC C1608 JB 1H 102K-T-AC2035 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC2036 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC2041 4510004630 S.ELECTROLYTIC ECEV1CA100SRC2042 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC2051 4510005860 S.ELECTROLYTIC ECEV1HA2R2SR

RL121 6330000180 RELAY MZ-12HGRL141 6330000180 RELAY MZ-12HG

CP731 6910009670 S.CHECK P HK3-S-T

J101 6510021460 CONNECTOR PT-C02P01J111 6510007020 CONNECTOR TMP-J01X-V6J411 6510007020 CONNECTOR TMP-J01X-V6J491 6510007020 CONNECTOR TMP-J01X-V6J781 6450001560 CONNECTOR PD-72J782 6450001560 CONNECTOR PD-72J783 6450001560 CONNECTOR PD-72J784 6450001560 CONNECTOR PD-72J811 6510007020 CONNECTOR TMP-J01X-V6J881 6450001560 CONNECTOR PD-72J882 6450001560 CONNECTOR PD-72J883 6450001560 CONNECTOR PD-72

REF ORDER DESCRIPTIONNO. NO.

[MAIN UNIT]

Page 28: IC-R75 service manual

S.=Surface mount

J884 6450001560 CONNECTOR PD-72J1081 6510007020 CONNECTOR TMP-J01X-V6J1221 6510018970 S.CONNECTOR B4B-PH-SM3-TBJ1231 6510019970 S.CONNECTOR 52808-1090 J1271 6510019190 S.CONNECTOR 52365-0891J1311 6450001800 CONNECT JPJ1044-01-010J1321 6450000140 CONNECTOR HSJ0807-01-010J1351 6450001700 CONNECTOR HEC0740-010010J1501 6510019980 S.CONNECTOR 52808-1690 J1521 6510019980 S.CONNECTOR 52808-1690 J1522 6510008370 CONNECTOR BBH-1J1541 6510019980 S.CONNECTOR 52808-1690 J1561 6510019980 S.CONNECTOR 52808-1690 J1701 6450000140 CONNECTOR HSJ0807-01-010J1751 6510021240 CONNECTOR DELC-J9SAF-23L9

F1351 5210000050 FUSE FGB 3AF1352 5220000230 HOLDER S-N5054 #01F1353 5220000230 HOLDER S-N5054 #01

BT1521 3020000110 LITHIUM CR2032

WS1 8600036540 CABLE RX2240 P1241*J1241MA

EP1 0910051114 PCB B 5273D

IC21 1140003641 S.IC SC-1246IC22 1110004460 S.IC µPB1509GV-E1IC23 1130003830 S.IC TC7S04F (TE85R) IC151 1140004550 S.IC M65343FP/SC1287IC201 1140004550 S.IC M65343FP/SC1287

Q1 1530002570 S.TRANSISTOR 2SC4405-3-TLQ2 1530002570 S.TRANSISTOR 2SC4405-3-TLQ3 1590000680 S.TRANSISTOR DTC114EUA T106Q4 1590000680 S.TRANSISTOR DTC114EUA T106Q21 1530003000 S.TRANSISTOR 2SC4117-BL (TE85R) Q71 1560000490 S.FET 2SK508 K52 T2BQ72 1590000680 S.TRANSISTOR DTC114EUA T106Q81 1560000490 S.FET 2SK508 K52 T2BQ82 1590000680 S.TRANSISTOR DTC114EUA T106Q91 1530002570 S.TRANSISTOR 2SC4405-3-TLQ92 1590001330 S.TRANSISTOR DTA114EUA T106Q93 1590000680 S.TRANSISTOR DTC114EUA T106Q96 1530003000 S.TRANSISTOR 2SC4117-BL (TE85R) Q97 1530003000 S.TRANSISTOR 2SC4117-BL (TE85R) Q151 1530003000 S.TRANSISTOR 2SC4117-BL (TE85R) Q201 1530003000 S.TRANSISTOR 2SC4117-BL (TE85R)

D1 1750000520 S.DIODE DAN222TLD2 1750000550 S.DIODE 1SS355 TE-17D71 1720000390 S.VARICAP KV1470TLD72 1790000620 S.DIODE MA77 (TX) D81 1720000390 S.VARICAP KV1470TLD82 1790000620 S.DIODE MA77 (TX) D91 1790000620 S.DIODE MA77 (TX) D92 1790000620 S.DIODE MA77 (TX) D93 1790001640 S.DIODE 1SS373 (TPH3) D94 1790001640 S.DIODE 1SS373 (TPH3)

X1 6050005711 XTAL CR-275A (30.00000 MHz)

L1 6170000230 COIL LW-25L2 6150004370 COIL LS-472C (C-15045) L3 6200003950 S.COIL HF50ACC 322513-TL4 6150004250 COIL LS-471A (C-14922)

5 - 9

REF ORDER DESCRIPTIONNO. NO.

[MAIN UNIT]

L5 6150004250 COIL LS-471A (C-14922) L22 6200003170 S.COIL NL 322522T-330JL23 6200003180 S.COIL NL 322522T-390JL24 6200003180 S.COIL NL 322522T-390JL25 6200001830 S.COIL NL 322522T-100JL26 6200003190 S.COIL NL 322522T-470JL27 6200003190 S.COIL NL 322522T-470JL71 6170000230 COIL LW-25L72 6190001370 COIL E544GN-110254L73 6170000230 COIL LW-25L81 6170000230 COIL LW-25L82 6190001280 COIL E544GN-110248L83 6170000230 COIL LW-25L91 6180002960 S.COIL NL 322522T-R18J-3L92 6180002980 S.COIL NL 322522T-056JL93 6180002970 S.COIL NL 322522T-068JL94 6200001830 S.COIL NL 322522T-100JL151 6200003130 S.COIL NL 322522T-120JL152 6200003140 S.COIL NL 322522T-150JL153 6200001830 S.COIL NL 322522T-100JL201 6200005490 S.COIL NL 322522T-331JL202 6200008640 S.COIL NL 322522T-391JL203 6200001830 S.COIL NL 322522T-100JL204 6200003640 S.COIL MLF1608K 100K-TL205 6200003640 S.COIL MLF1608K 100K-T

R1 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R2 7030003580 S.RESISTOR ERJ3GEYJ 153 V (15 kΩ) R3 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) R4 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R5 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R6 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R7 7030003600 S.RESISTOR ERJ3GEYJ 223 V (22 kΩ) R8 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R9 7030003370 S.RESISTOR ERJ3GEYJ 271 V (270 Ω) R10 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) R11 7030003290 S.RESISTOR ERJ3GEYJ 560 V (56 Ω) R12 7030003200 S.RESISTOR ERJ3GEYJ 100 V (10 Ω) R21 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R22 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R23 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R24 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R25 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R26 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R27 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R28 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R29 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R30 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R31 7030005370 S.RESISTOR RR0816P-202-B (2 kΩ) R32 7030005370 S.RESISTOR RR0816P-202-B (2 kΩ) R33 7030005370 S.RESISTOR RR0816P-202-B (2 kΩ) R34 7030005370 S.RESISTOR RR0816P-202-B (2 kΩ) R35 7030005370 S.RESISTOR RR0816P-202-B (2 kΩ) R36 7030005390 S.RESISTOR RR0816P-102-D (1 kΩ) R37 7030005390 S.RESISTOR RR0816P-102-D (1 kΩ) R38 7030005390 S.RESISTOR RR0816P-102-D (1 kΩ) R39 7030005390 S.RESISTOR RR0816P-102-D (1 kΩ) R40 7030005390 S.RESISTOR RR0816P-102-D (1 kΩ) R41 7030005390 S.RESISTOR RR0816P-102-D (1 kΩ) R42 7030005380 S.RESISTOR RR0816P-102-B (1 kΩ) R43 7030005380 S.RESISTOR RR0816P-102-B (1 kΩ) R44 7030005380 S.RESISTOR RR0816P-102-B (1 kΩ) R45 7030005380 S.RESISTOR RR0816P-102-B (1 kΩ) R46 7030005380 S.RESISTOR RR0816P-102-B (1 kΩ) R47 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R48 7030003720 S.RESISTOR ERJ3GEYJ 224 V (220 kΩ) R49 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R50 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R51 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R52 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R53 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R54 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R55 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R71 7030003490 S.RESISTOR ERJ3GEYJ 272 V (2.7 kΩ) R72 7030003780 S.RESISTOR ERJ3GEYJ 684 V (680 kΩ)R73 7030003260 S.RESISTOR ERJ3GEYJ 330 V (33 Ω) R75 7030003390 S.RESISTOR ERJ3GEYJ 391 V (390 Ω) R76 7030003250 S.RESISTOR ERJ3GEYJ 270 V (27 Ω) R78 7030003370 S.RESISTOR ERJ3GEYJ 271 V (270 Ω) R79 7030003580 S.RESISTOR ERJ3GEYJ 153 V (15 kΩ) R80 7030003570 S.RESISTOR ERJ3GEYJ 123 V (12 kΩ)

REF ORDER DESCRIPTIONNO. NO.

[PLL UNIT]

REF ORDER DESCRIPTIONNO. NO.

[PLL UNIT]

Page 29: IC-R75 service manual

5 - 10

S.=Surface mount

R81 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R83 7030003480 S.RESISTOR ERJ3GEYJ 222 V (2.2 kΩ) R85 7030003430 S.RESISTOR ERJ3GEYJ 821 V (820 Ω) R86 7030003350 S.RESISTOR ERJ3GEYJ 181 V (180 Ω) R91 7030003260 S.RESISTOR ERJ3GEYJ 330 V (33 Ω) R92 7030003550 S.RESISTOR ERJ3GEYJ 822 V (8.2 kΩ) R93 7030003510 S.RESISTOR ERJ3GEYJ 392 V (3.9 kΩ) R94 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R95 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω) R96 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) R97 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R98 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R99 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R100 7030003510 S.RESISTOR ERJ3GEYJ 392 V (3.9 kΩ) R101 7030003370 S.RESISTOR ERJ3GEYJ 271 V (270 Ω) R102 7030003230 S.RESISTOR ERJ3GEYJ 180 V (18 Ω) R103 7030003370 S.RESISTOR ERJ3GEYJ 271 V (270 Ω) R104 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R107 7030003280 S.RESISTOR ERJ3GEYJ 470 V (47 Ω) R108 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω) R109 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R110 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R111 7030003490 S.RESISTOR ERJ3GEYJ 272 V (2.7 kΩ) R112 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) R113 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) R114 7030003230 S.RESISTOR ERJ3GEYJ 180 V (18 Ω) R115 7030003670 S.RESISTOR ERJ3GEYJ 823 V (82 kΩ)R116 7030003620 S.RESISTOR ERJ3GEYJ 333 V (33 kΩ) R117 7030003300 S.RESISTOR ERJ3GEYJ 680 V (68 Ω) R151 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R152 7030003720 S.RESISTOR ERJ3GEYJ 224 V (220 kΩ) R153 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R154 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R155 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R156 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R157 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R158 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R159 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R160 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R161 7030005370 S.RESISTOR RR0816P-202-B (2 kΩ) R162 7030005370 S.RESISTOR RR0816P-202-B (2 kΩ) R163 7030005370 S.RESISTOR RR0816P-202-B (2 kΩ) R164 7030005390 S.RESISTOR RR0816P-102-D (1 kΩ) R165 7030005390 S.RESISTOR RR0816P-102-D (1 kΩ) R166 7030005390 S.RESISTOR RR0816P-102-D (1 kΩ) R167 7030005390 S.RESISTOR RR0816P-102-D (1 kΩ) R168 7030005390 S.RESISTOR RR0816P-102-D (1 kΩ) R169 7030005390 S.RESISTOR RR0816P-102-D (1 kΩ) R170 7030005380 S.RESISTOR RR0816P-102-B (1 kΩ) R171 7030005380 S.RESISTOR RR0816P-102-B (1 kΩ) R172 7030005380 S.RESISTOR RR0816P-102-B (1 kΩ) R178 7030003430 S.RESISTOR ERJ3GEYJ 821 V (820 Ω) R180 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R181 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R182 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R183 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R201 7030003400 S.RESISTOR ERJ3GEYJ 471 V (470 Ω) R202 7030003720 S.RESISTOR ERJ3GEYJ 224 V (220 kΩ) R203 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R204 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R205 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R206 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R207 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R208 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R209 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R210 7030005400 S.RESISTOR RR0816P-202-D (2 kΩ) R211 7030005370 S.RESISTOR RR0816P-202-B (2 kΩ) R212 7030005370 S.RESISTOR RR0816P-202-B (2 kΩ) R213 7030005370 S.RESISTOR RR0816P-202-B (2 kΩ) R214 7030005390 S.RESISTOR RR0816P-102-D (1 kΩ) R215 7030005390 S.RESISTOR RR0816P-102-D (1 kΩ) R216 7030005390 S.RESISTOR RR0816P-102-D (1 kΩ) R217 7030005390 S.RESISTOR RR0816P-102-D (1 kΩ) R218 7030005390 S.RESISTOR RR0816P-102-D (1 kΩ) R219 7030005390 S.RESISTOR RR0816P-102-D (1 kΩ) R220 7030005380 S.RESISTOR RR0816P-102-B (1 kΩ) R221 7030005380 S.RESISTOR RR0816P-102-B (1 kΩ) R222 7030005380 S.RESISTOR RR0816P-102-B (1 kΩ) R228 7030003430 S.RESISTOR ERJ3GEYJ 821 V (820 Ω) R230 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R231 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R232 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ)

REF ORDER DESCRIPTIONNO. NO.

[PLL UNIT]

R233 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R235 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ)R236 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω)

C1 4030007070 S.CERAMIC C1608 CH 1H 330J-T-AC3 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC4 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC5 4030007140 S.CERAMIC C1608 CH 1H 121J-T-AC6 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC7 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC8 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC9 4030007170 S.CERAMIC C1608 CH 1H 221J-T-AC10 4030007030 S.CERAMIC C1608 CH 1H 150J-T-AC11 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC12 4030006910 S.CERAMIC C1608 CH 1H 0R5C-T-AC13 4030007030 S.CERAMIC C1608 CH 1H 150J-T-AC14 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC15 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC16 4030007120 S.CERAMIC C1608 CH 1H 820J-T-AC21 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC23 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC24 4510006220 S.ELECTROLYTIC ECEV1CA101UPC25 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC26 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC27 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC28 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC29 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC30 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC31 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC32 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC33 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC34 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC35 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC36 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC37 4030007070 S.CERAMIC C1608 CH 1H 330J-T-AC38 4030007010 S.CERAMIC C1608 CH 1H 100D-T-AC39 4030011540 S.CERAMIC C1608 CH 1H 750J-T-AC40 4030006980 S.CERAMIC C1608 CH 1H 070D-T-AC41 4030007120 S.CERAMIC C1608 CH 1H 820J-T-AC42 4030006930 S.CERAMIC C1608 CH 1H 020C-T-AC43 4030007100 S.CERAMIC C1608 CH 1H 560J-T-AC44 4030007010 S.CERAMIC C1608 CH 1H 100D-T-AC50 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC51 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC52 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC53 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC54 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC55 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC56 4030007110 S.CERAMIC C1608 CH 1H 680J-T-AC57 4030007090 S.CERAMIC C1608 CH 1H 470J-T-AC58 4030007100 S.CERAMIC C1608 CH 1H 560J-T-AC59 4030011840 S.CERAMIC C1608 CH 1H 241J-T-AC60 4030009580 S.CERAMIC C1608 JB 1H 681K-T-AC71 4550006250 S.TANTALUM TEMSVA 1A 106M-8LC72 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC73 4030006850 S.CERAMIC C1608 JB 1H 471K-T-AC74 4510004630 S.ELECTROLYTIC ECEV1CA100SRC75 4030007140 S.CERAMIC C1608 CH 1H 121J-T-AC76 4610001830 S.TRIMMER TZBX4N100BA110T00C77 4030007010 S.CERAMIC C1608 CH 1H 100D-T-AC78 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC79 4030006930 S.CERAMIC C1608 CH 1H 020C-T-AC80 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC81 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC82 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC83 4030006850 S.CERAMIC C1608 JB 1H 471K-T-AC84 4510004630 S.ELECTROLYTIC ECEV1CA100SRC85 4030006850 S.CERAMIC C1608 JB 1H 471K-T-AC86 4610001830 S.TRIMMER TZBX4N100BA110T00 10PC87 4030006950 S.CERAMIC C1608 CH 1H 040C-T-AC88 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC89 4030010780 S.CERAMIC C1608 CH 1H 1R5C-T-AC90 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC91 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC92 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC93 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC94 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC95 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC96 4030007080 S.CERAMIC C1608 CH 1H 390J-T-AC97 4030006990 S.CERAMIC C1608 CH 1H 080D-T-AC98 4030007090 S.CERAMIC C1608 CH 1H 470J-T-A

REF ORDER DESCRIPTIONNO. NO.

[PLL UNIT]

Page 30: IC-R75 service manual

S.=Surface mount

C99 4030006930 S.CERAMIC C1608 CH 1H 020C-T-AC100 4030007080 S.CERAMIC C1608 CH 1H 390J-T-AC101 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC102 4030007020 S.CERAMIC C1608 CH 1H 120J-T-AC103 4030006970 S.CERAMIC C1608 CH 1H 060D-T-AC104 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC105 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC106 4510006220 S.ELECTROLYTIC ECEV1CA101UPC107 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC108 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC110 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC111 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC112 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC113 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC114 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC115 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC116 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC117 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC118 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC119 4510004430 S.ELECTROLYTIC ECEV1CV220WRC120 4030006850 S.CERAMIC C1608 JB 1H 471K-T-AC121 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC122 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC123 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC124 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC125 4030007090 S.CERAMIC C1608 CH 1H 470J-T-AC126 4550006250 S.TANTALUM TEMSVA 1A 106M-8LC127 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC128 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC151 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC152 4030007040 S.CERAMIC C1608 CH 1H 180J-T-AC153 4030006960 S.CERAMIC C1608 CH 1H 050C-T-AC154 4030007070 S.CERAMIC C1608 CH 1H 330J-T-AC155 4030006930 S.CERAMIC C1608 CH 1H 020C-T-AC156 4030007040 S.CERAMIC C1608 CH 1H 180J-T-AC157 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC164 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC165 4510004630 S.ELECTROLYTIC ECEV1CA100SRC167 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC201 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC202 4030006850 S.CERAMIC C1608 JB 1H 471K-T-AC203 4030007120 S.CERAMIC C1608 CH 1H 820J-T-AC204 4030009490 S.CERAMIC C1608 JB 1H 821K-T-AC205 4030007070 S.CERAMIC C1608 CH 1H 330J-T-AC206 4030010040 S.CERAMIC C1608 JB 1H 561K-T-AC207 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC214 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC215 4510004630 S.ELECTROLYTIC ECEV1CA100SRC217 4030011600 S.CERAMIC C1608 JB 1C 104KT-NC305 4510004630 S.ELECTROLYTIC ECEV1CA100SRC310 4030007090 S.CERAMIC C1608 CH 1H 470J-T-AC311 4030007090 S.CERAMIC C1608 CH 1H 470J-T-AC312 4030007090 S.CERAMIC C1608 CH 1H 470J-T-AC313 4030007090 S.CERAMIC C1608 CH 1H 470J-T-AC314 4030007090 S.CERAMIC C1608 CH 1H 470J-T-AC315 4030007090 S.CERAMIC C1608 CH 1H 470J-T-AC316 4030007090 S.CERAMIC C1608 CH 1H 470J-T-AC317 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC318 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC319 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC320 4030006850 S.CERAMIC C1608 JB 1H 471K-T-AC321 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC322 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC323 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC324 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC325 4030007100 S.CERAMIC C1608 CH 1H 560J-T-AC326 4030006880 S.CERAMIC C1608 JB 1H 472K-T-AC327 4030006880 S.CERAMIC C1608 JB 1H 472K-T-A

RL1 6330001320 RELAY AHY103

J2 6510019980 S.CONNECTOR 52808-1690 J3 6450000140 CONNECTOR HSJ0807-01-010J4 6450000140 CONNECTOR HSJ0807-01-010

W1 7030003860 S.JUMPER ERJ3GE JPW VW2 7030003860 S.JUMPER ERJ3GE JPW VW18 7030003860 S.JUMPER ERJ3GE JPW VW19 7030003860 S.JUMPER ERJ3GE JPW V

5 - 11

REF ORDER DESCRIPTIONNO. NO.

[PLL UNIT]

WS1 8970023350 M.OTHER RX2240 1.5DCOAXIAL (4)/PL

EP1 0910051124 PCB B 5274D EP2 6910012350 S.BEAD MMZ1608Y 102BTEP3 6910012350 S.BEAD MMZ1608Y 102BTEP4 6910012350 S.BEAD MMZ1608Y 102BTEP5 6910012350 S.BEAD MMZ1608Y 102BTEP6 6910012350 S.BEAD MMZ1608Y 102BTEP7 6910012350 S.BEAD MMZ1608Y 102BTEP8 6910012350 S.BEAD MMZ1608Y 102BT

REF ORDER DESCRIPTIONNO. NO.

[PLL UNIT]

Page 31: IC-R75 service manual

6 - 1

SECTION 6 MECHANICAL PARTS AND DISASSEMBLY

REF. NO. ODER NO. DESCRIPTION QTY.

J1 6510000370 Connector MR-DS 1

W3 8900007000 Cable OPC-684 1W4 8900007000 Cable OPC-684 1W5 8900007000 Cable OPC-684 1W6 8900007000 Cable OPC-684 1

MP1 8010017710 2240 main Chassis 1MP2 8110006700 2240 U-cover 1MP3 8110006690 2240 L-cover 1MP4 8930005790 Collar foot (A) 1MP5 8930005800 Collar foot (B) 1MP6 8010001520 Stand (C) 1MP7 8930002900 Rubbr foot (A) 2MP8 8930035240 1546 TR-B Clip 1MP9 8930049600 2240 IC Clip 1MP10 8810008660 Screw PH BO M3x8 NI-ZU (BT) 4MP11 8810008660 Screw PH BO M3x8 NI-ZU (BT) 2MP12 8810008660 Screw PH BO M3x8 NI-ZU (BT) 2MP13 8810005770 Screw Bih M3x8 ZK 8MP14 8810005770 Screw Bih M3x8 ZK 2MP15 8810008660 Screw PH BO M3x8 NI-ZU (BT) 6MP16 8810008660 Screw PH BO M3x8 NI-ZU (BT) 5MP17 8810008660 Screw PH BO M3x8 NI-ZU (BT) 2MP18 8810008660 Screw PH BO M3x8 NI-ZU (BT) 1MP19 8930037001 1691 Earth plate 1MP20 8810008660 Screw PH BO M3x8 NI-ZU (BT) 2MP22 8810009130 Screw PH BO M3x12 NI-ZU (BT) 2MP23 8410002310 2240 Heatsink 1MP24 8810008660 Screw PH BO M3x8 NI-ZU (BT) 2MP25 8930049610 2240 Unit holder 1MP26 8810003960 Screw M2.6x5 2

[CHASSIS PARTS]

REF. NO. ODER NO. DESCRIPTION QTY.

SP1 2510000670 VS-50-0827 1

W3 8900008940 Cable OPC-886 1W4 8900008930 Cable OPC-885 1W5 8900007000 Cable OPC-684 1

EP1 6910012480 RMS20-250-201-1R 1EP2 6450001230 Snap plate HLJ0999-01-480 1

MP1 8210016030 2240 Front cover 1MP2 8930001770 SP net 1MP4 8930048740 2240 9-Key 1MP5 8930048730 2240 6-Key 1MP6 8930048750 2240 20-Key 1MP7 8930048710 2240 Brake plate 1MP9 8930049370 2240 Brake sheet 1MP10 8830001010 Screw Hex nut (A) 1MP11 8830001010 Screw Hex nut (A) 1MP12 8830001410 1897 Nut 1MP13 8610010420 Knob N-261 1MP14 8610010420 Knob N-261 1MP15 8610010710 Knob N-272 1MP16 8610010710 Knob N-272 1MP17 8610009160 Knob N-213 Base 1MP18 8610009170 Knob N-213 Cover 1MP21 8010017770 2240 F-Chassis 1MP24 8810008660 Screw PH BO M3x8 NI-ZU (BT) 5MP25 8810008660 Screw PH BO M3x8 NI-ZU (BT) 1MP26 8930048890 2240 SP holder 1MP27 8810008660 Screw PH BO M3x8 NI-ZU (BT) 4MP28 8810008660 Screw PH BO M3x8 NI-ZU (BT) 4MP37 8930049870 2240 SP sponge 1MP38 8930049840 Knob sheet (B) 2

[FRONT UNIT]

REF. NO. ODER NO. DESCRIPTION QTY.

DS101 5030001690 LCD HLCF7395-012400 1EP2 8930049630 LCD contact SRCN-2240-SP-N-W 1MP1 8210016060 2240 Reflector 1MP2 8930048880 2240 LCD Holder 1MP3 8930049380 2240 LCD Filter 1

[DISPLAY UNIT]

REF. NO. ODER NO. DESCRIPTION QTY.

MP382 8510005990 724 Shield case cover 1MP442 8510005160 602 Shield case cover 1

[MAIN UNIT]

REF. NO. ODER NO. DESCRIPTION QTY.

MP3 8510010770 1876 DDS cover 1MP9 8510005990 724 Shield case cover 1MP12 8510005990 724 Shield case cover 1

[PLL UNIT]

REF. NO. ODER NO. DESCRIPTION QTY.

F1 Optional product Fuse FGB 3A [USA], [EUR], [OTH] 1Optional product Fuse FGB 3A [UK], [SEA] 3

W1 Optional product Cable OPC-869 [UK], [SEA] 1

EP1 Optional product Charger AD-55A [USA] 1Optional product Charger AD-55 [EUR], [OTH] 1Optional product Charger AD-55V [AUS] 1

[ACCESSORIES]

EP1W1

F1

Page 32: IC-R75 service manual

6 - 2

UNIT abbreviation (C): CHASSIS PARTS, (P): PLL UNIT, (M): MAIN UNIT, (F): FRONT UNIT, (D): DISPLAY UNIT

MP27 (F)

MP37 (F)

MP26 (F)

SP1 (F)

MP2 (F)

MP1 (F)

MP11 (F)

MP10 (F)

MP16 (F)

MP15 (F)

MP13 (F)

MP38 (F)

MP18 (F)

MP14 (F)

MP7 (F)

MP9 (F)

MP17 (F)

MP12 (F)

MP4 (F)

MP5 (F)

MP24 (F)

EP2 (D)

MP1 (D)

MP3 (D)

DS101 (D)

MP2 (D)

DISPLAY UNIT

MP24 (F)

W4 (F)

W3 (F)

MP10 (C)

EP2 (F)

MP15 (C)MP382 (M)

MP442 (M)

MP15 (C) MP13 (C)

MP13 (C)

MP13 (C)

MP13 (C)

MP20 (C)J1 (C)

MP19 (C)

MP17 (C)

MP18 (C)

MP3 (P)

MP9 (P)

MP12 (P) MP16 (C)

MP16 (C)

PLL UNIT

MP2 (C)

W6 (C)

MP23 (C)

MP24 (C)

MP1 (C)

MP9 (C)

MP8 (C)

MP15 (C)

MAIN UNIT

MP21 (F) MP28 (F)

MP25 (F)

MP10 (C)MP25 (C)

MP26 (C)

MP3 (C)

W5 (C)W4 (C)

W3 (C)

W5 (F)

MP24 (F)LOGIC UNIT

MP6 (F)

VR UNIT

EP1 (F)MP14 (C)

MP14 (C)

MP6 (C)

MP7 (C)

MP22 (C)

MP7 (C)

MP22 (C)

MP4 (C)

MP11 (C)

MP5 (C)

MP12 (C)

Page 33: IC-R75 service manual

SECTION 7 SEMI-CONDUCTOR INFORMATION

7 - 1

2SA1576 R(Symbol: FR)

2SC4081 R(Symbol: BR)

2SC4116 BL(Symbol: LL)

2SC4405 3(Symbol: OY3)

2SD1664 Q(Symbol: DA)

2SK1740(Symbol: IJ)

2SK2171 4(Symbol: KM)

2SK508 K52(Symbol: K52)

DTC114 EU(Symbol: 14)

XP4601(Symbol: 5C)

2SK882 GR(Symbol: TGR)

2SC4673 D(Symbol: CO)

3SK131 MAS(Symbol: V11)

DTA114 EU(Symbol: 14)

DTA144 EU(Symbol: 16)

XP4311(Symbol: 3X)

• TRANSISTOR AND FET’S

B

E

C

E

C

B

E

C

B

D

G

S

D

G

S

2SC4117 BL(Symbol: CL)

B

E

C

B

E

C

B

C

E

C

B

C

E

C

B

E

C

B

E

C

B

E

C

E1

C2

B1

C1

E2

B2

S

G

D

G

G

S

D D

S

G2

G1

1SS373(Symbol: S4)

1SS375(Symbol: FH)

1SV263(Symbol: JV)

1SS302(Symbol: C3)

1SS355(Symbol: A)

1SV265(Symbol: LV)

DAN222(Symbol: N)

HSB88WS(Symbol: Silver line)

KV1470(Symbol: F7)

MA77(Symbol: 4B)

MA8051 M(Symbol: 5^1)

NNCD6.2G(Symbol: 6.2G)

• DIODES

A K

NC

MA729(Symbol: 2B)

Page 34: IC-R75 service manual

8 - 1

8-1 PHONE AND VR BOARDS

SECTION 8 BOARD LAYOUTS

R12

2

R12

1

C12

3C

122

C121

L121

• VR BOARD

R131 R141

J101

J101to LOGIC board J451

R143

GN

DG

ND

GN

DG

ND

GN

DP

B2L

PB

1LR

FG

LA

FG

L5V

L

110

• PHONE BOARDTOP VIEW

Page 35: IC-R75 service manual

8 - 2

• PHONE BOARDBOTTOM VIEW

J121

J101

J101to LOGIC board J471

GNDAFEAFEAFEESPOESPOESPOAFOAFOAFO

10

1

Page 36: IC-R75 service manual

8 - 3

8-2 DISPLAY BOARD

• TOP VIEW

DS

11

DS

21

DS

31

DS

41

DS

51

DS

61

DS

71

DS

12

DS

22

DS

32

DS

42

DS

52

DS

62

DS

72

DS

13

DS

23

DS

33

DS

43

DS

53

DS

63

DS

73

DS

81D

S82

DS

83

Page 37: IC-R75 service manual

• BOTTOM VIEW

8 - 4

J101

R11

R21

R31

R41

R51

R61

R71

R81

R12

R22

R32

R42

R52

R62

R72

R82

C101

Q11 Q21 Q31 Q41 Q51 Q61 Q71 Q81

IC101

J101to LOGIC board J411

14VDIMVCOM4COM2V1V3CL2M

GNDGNDCOM3COM1V2CL1DOH5VL2

16

1

15

Page 38: IC-R75 service manual

8-3 LOGIC BOARD

8 - 5

R257

R256

R255

R254

C25

5

C25

4

C25

3

C25

2

C25

1C

206

C20

4C

205

C25

6

R11

2

C23

1

R26

1

R26

0

R12

1

R12

3

R12

7

R12

9

R13

1

W16

3

W16

2

W16

1

R16

3

R16

2

R16

1

R14

2

R14

4

R14

6

R14

8

R15

0

R15

2

R15

4

R17

1

R17

3

R17

5

R17

7

R17

9

R28

0

R28

1

R28

4

R29

1

R28

9

R28

7

R27

2

R27

4

R27

6

R27

8

R28

6

R27

9

R28

2

R28

3

R29

2

R29

0

R28

8

R27

1

R27

3

R27

5

R27

7

R28

5

R14

1

C22

1

R14

3

R14

5

R14

7

R14

9

R15

1

R15

3

R15

5

R17

2

R17

4

R17

6

R17

8

R19

1

R19

3

R19

5

R19

7

R21

0

R20

8

R19

2

R19

4

R19

6

R21

1

R20

9

R12

2

R40

3

Q40

1

R40

2

R40

4

W40

1 R40

5C

401

Q39

1

R39

8

C39

4

C39

5 IC39

2R

397

D39

3

R39

5

C39

2

R39

4

R39

3

D38

1 R51

2

R51

3

IC39

1

R38

2

D38

2

R399

D40

1

R40

1

R423

Q421

R422

R421

R361

R362 R396

C351

R391

R392

C393

R511 R514

Q512Q511

R221

C102

R223

R224

R225

R198

C502

L503

J411

R12

4

R12

5

R12

6

R12

8

R13

0

R33

5

R26

2

R35

2R

351

Q35

1

X11

1

IC10

1

X11

2

IC23

1

C20

3

C20

1

C10

5

C20

2R253

R252

R251

R258R259

R231 C111C104

C103

R201

R202

R203

R204

R205

R206

C112

C113

C114

C101

C352

IC401

IC35

1

R38

1

++

EP52

7

EP52

5

EP52

3

EP52

1

EP52

6

EP52

4

EP52

2

EP50

2

C45

4

EP50

1

C461

C505

C452

C503

C453 C451

J521

J461 J451

J491

1

L491

L492

1

J541 J501

L502

L501

J471

D46

1

J411to DISPLAY board J101

14VDIMVCOM4COM2V1V3CL2M

GNDGNDCOM3COM1V2CL1DOH5VL2

16

1

15

PS

T3

PS

T1

PC

KD

RE

SM

DA

TIS

TB

DS

TB

DS

PS

PS

T2

PC

O2

PD

AT

MC

KA

ST

BR

ST

BD

INT

PW

RC

2 16

1 15

2 16

1 15

2 16

1 15

CIV

EG

ND

SB

SY

AG

RS

RE

CS

SA

LIF

MN

LA

FG

V

CIV

SP

ST

RX

SS

QLS

BE

EP

EM

TI

SM

LR

FG

V

BA

TT

HV

GN

DG

ND

AF

EIS

PO

ES

PO

AF

O

QH

5V14

V8V 5V A

FE

ISP

OE

SP

OA

FO

J471 to PHONE board J101

J451to VR board J101

J461to MAIN DIAL

J501 to MAIN unit J1521

J541to MAIN unit J1561

J521 to MAIN unit J1541

AFOAFOESPOAFEAFE

AFOESPOESPOAFEGND

1 2

9 10

GN

DG

ND

GN

DP

B1L

RF

GL

GN

DG

ND

PB

2LA

FG

L5V

L

10

9

2

1

5VL

MU

PM

DN

GN

D

41

J491 to INT SP P1

ISP

OA

FE

21

Page 39: IC-R75 service manual

8 - 6

C116

C117

C72

C75

C79

L204

Q82Q93

C123

D72

R236

R83

C325

C92

C94

R93

C118

R94

R102

C101

C103

C100 R98 C105 R96 R97

D91

R95 D1

R107

R26 R37

R27 R38

R28 R39

R29 R40

R30 R41

R31 R42

R32 R43

R33 R44

R34 R45

R35

C37

C44

C38

L23

L26

R46

R25 R36

R24 R23

R235

C32

7

C110 C23

W18

D92

C99

EP8

EP5

EP4

EP2

EP3EP6

R108

C111

C53

C52

C33

C31

R115

C127

D94

Q21

R73

C30

C28

R49

C126C71

C57

EP7

C12

X1IC151 IC201

L2C13 C11

Q1

R151

C151Q151

C167

R180

C3

C8

R7 C7

R8

R9

C9

R11R21C21

R1

C16

R172

R178

C318C319

C310

C314

C202

C205

R222

Q201C201

R201 C217

R230

R228

W2

C203

C152

C153 C155

W1

C6

L3

L151 L152C305

L201 L202

J2

C10

C59

C40

R47

R72

C120

C121

D93

R110

C114

R109

C93

R91

R92

D82 L205

C77

C89

Q97R80

C128R117

C82

C85

C87C323

C324

R12

Q96

RL1

D81L83

D71L73

C76

L93

MP2

MP1

C86

J4

J3

MP

5

J91

C10

6

C74

L71

L72

L91

L92

C11

9 L25

C24

IC23

L22

L27

L24

IC21

L4

L5

L1

J151

MP

8

MP

11

L153

C21

5

L203

C16

5

J1

IC22

L81

Q81

L82

C84

L94

Q71

R75

R85

R11

6

C12

4R

79

C83

C78

C80

R76

C81

C12

2

Q72 R

112

R10

3

R10

1

R10

0

C10

4

C10

2

R10

4

R10

C32

6

R11

3

R53

R52

R50

R51

C36

C25

C26

C27

C39

C1

R3

R5

Q2

C5

R6

R2

R15

3R

164

R16

5R

166

R16

7R

168

R16

9R

170

R15

4

R15

2

R15

5

R18

1R

182

R15

6R

157

R15

8R

159

R16

0R

161

C15

6C15

4

C32

1

C31

7

C32

0

C32

2 C31

1

C31

2

C31

3

C31

6

C20

4R

213

R21

1R

210

R20

9R

207

R20

6R

205

R20

4

R20

2

R21

5R

214

R20

3

R20

8R

216

R22

0R

219

R21

8R

217

R21

2

R22

1

C20

6

R23

3

C21

4

R23

2R

231

C20

7

C31

5

R16

3

R16

2

C15

7

R17

1

C16

4

R18

3

R4

C4

C11

3

C34

C54

C32

R78

R55

C51

C12

5

R11

4 R48

R22

C55

C58

C29

C60

C56

C43

C42

C41

C50

R54

R71

R11

1

C11

2C

35

C11

5

C10

7

W19

Q3

C95

Q92

C10

8

C96

C97

C98

R99

Q91

C88

C90

R86

C91

C73

Q4

C14

D2C15

R81

++

++

J201

J2to MAIN unit J1501

14V

8V 5V RE

CS

GN

DP

ST

2P

CO

2P

DA

T

14V

GN

DA

AF

OU

NLC

PS

T3

PS

T1

PC

KD

RE

S

2 16

1 15

8-4 PLL UNIT

Page 40: IC-R75 service manual

8-5 MAIN UNIT

8 - 7

C135

1

IC13

61

L131

1

IC13

91

Q13

81

L141

1

C14

22

C14

17C

1418

IC17

71

C17

54IC

1401

C14

20L1

412

C14

14

C14

12

C36

1

L362

R152

R101

Q13

11

D141

2

D141

3

Q138

2R1

11

C136

2

C136

4

C131

1D1

311

C138

2C1

381

C141

1

C141

6R1

413

R141

2

C139

3

R131

2C1

321

R177

2

C177

1

R131

3

R131

4

C161

C162

C164

R172

R174R3

41

C173

R381

C371

R475

R477

C474

C473

R493

R476

R472

R742

R733

R734

D712

D781

D782

D762D7

61

D711

D713

D714

R711

R712

C711

C733

R713

C721

R721C7

23R7

24

R791

C791

R793

C771

C772

R775

R796

C792

R794

R774

C724

C725

C712

R781

R751

R748

R747

R761

R762

R763

C761

R743

Q73

4

R783

R737

R740

C736

R738

R472 R4

74

C415

C738

D731

C740

R415

C413

R414 R4

11R4

13

C471

R479

R371

R372

C391

R393

C372

R412

C422

R447

C446

C447

C160

2

C160

1C1

603

R106

1C1

062

D106

1

D861

D871

D763

D764

R873

R855

R785

R815

R825

C811

R811

R802

IC81

1

C813

R822

R820

C818

R883

R823R8

81

C814

R819

C782

R784

C841

R852 C8

51

C871

C861

R863

R884

C882

R894R9

11C8

97

C911

Q91

1

R913

Q91

2

R915

C895

C894

R895

C106

4R1

065

R105

1

D862

Q106

6

Q106

5

Q106

4

D882

Q10

51C1

502

R448

R449

R443

C443

C442

R442 C4

23C4

25

R396

R395

C383

C384

C386

C381

R382

R383

C382

C346

C349

C330

C331

C308

C289

R301

C309

C306C2

87C2

86C2

85

C267

C268

C247

C431

C401

R221

R181

C265C2

45C2

44

C243

C229

C208

C203

C183

C187

C266

C332

C351

D172

D342

D302

D282

D262

D242

D322

C323

C325

C326

C302

C284

C283

R137

2

C152

D14

1

L132

D14

2

D15

1

L162

L342

L172

L346

L371

L411

Q47

1

L491

Q73

1

Q73

2

L721

Q72

1

R73

6

L492

C73

9

C74

3

IC39

1

Q41

1

L421

C74

1

Q44

2

Q44

1

L325

L305

L323

L321

L302

L283

L264

L244

L384

R40

1

L432

L224

L222

L182

L203

L201

L204

L184

IC56

2IC

561

IC55

1IC

552

C20

51

C20

24

R12

54

C12

54

IC12

51

IC12

81

C12

58

C12

57

C12

59

L201

1

C20

16

IC20

01

C20

13

L204

1

C20

41

IC11

01

J152

1J1

561

J154

1

R89

8

L100

1

R102

4

R102

2C1

022

C102

1

R832

R836

R831R1

204

D831

R120

2R1

201

R120

5

C203

5

C121

3

R126

0

R126

1R1

263

R126

2

C128

2R1

292

R129

1

C121

4R1

215

R121

4C1

212

C121

1R1

213

R121

2R1

211

C203

6

R203

1C2

042

R203

2C2

031

C203

2C2

033

C203

4

R100

7

C100

1

R202

2

C202

3

C200

1R2

002

R103

1R1

032

R110

2

C110

3R1

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R110

9R1

110

C108

1

C912

C103

1R1

033

R110

6R1

105

R110

4R1

103

R110

7

R127

1C1

271

C100

5R1

005

C100

3C1

006

C100

4Q1

001

R100

4

C100

2R1

002

C102

3R1

023

R834

R835

J122

1

L284

L281

L262

L243

L241

C13

76

C13

71

R15

1

C133C132

C131

C121

D1381

R144R143C141C101

L131

L151

C111

C1361

C1365

L1321

C1752

C1751C1755

C1401

C1404

L1771

C1753

IC1751

IC1411

C1394

C1363

C1312

C1415C1419

Q1772

Q1771

C1416

C1421

R1774

C1756

C1402

C1403

R1773

R1771

D1771

C1414

C1413

R1415R1411

R1381

R1382

C1392

R1311

L161

C170

L163

L341

L343

L324

L285

L171

R361

L361

R362

L173L345

L392

L413L412

L444

IC1603

L422

R444

L442

IC1602

C1051

C1066

C1067C1065

C1063

IC1601

L733

D491

Q381

L382Q382

L391

L326

C175

L322

D301

L301

L303

L304

L265

L245

L431

L401

L225

L205

L223

L221

L202

J1231

L181

L183

L282

L261

L263

L242

D261Q151

C151

C135C134C136R141

C163

C341C333C322

C342

R171C176C174C350

R321R281C290

R261

R241C248

C385

Q383

R386

C433C432

C435C436

C434

C230

C269

C246

C264C263

C242

C225C222C223

C228C227C226C224

C207C206C205

C204

C182C202

C201 C221D181 D221

C181

C551

C552C561

C562

Q2021

R897

R896

C1101C1102R1108R1082

C1089C1090R1084

C1272

C1024

C1217

R1251C1251R1252C1253

R1259R1258

C1294C1293

R1256R1281

R1293

C1281R1253C1255

R1255C1256R1257

C831

C1216

C1202

C1215

C1201 R833

R1021

R1272

Q1031

C913R912

R914

C896

IC1001

C1008

IC1211

C1260

C1262

C1261

C1292

IC1201

J1271

R1232R1234C1231

R1231R1233R1235R1236

R587R588

R589

R590R591

R579R580

R583R592R593

R571

R572

R573R574

R575R576R577

R578

R563

R564R565

R566

R567R568R569R570

C184C185

C186

D382

C188

C209R201

C172C171

C345

C344

C329C328

C307

C288

R173C352

R391C394

Q391

Q472

C476R478

R471

C411

C461

C462

R745CP731

R473

C475

R741

C492

R491

R492

C731

C734

R722

C722R723

C781

C742 R750

Q737

Q736

R744

R746

Q735

R749

R782

C726R792

R772R771

C773

R773R795

R725

R731

C701

C732

C735 R735R732

Q733 R739C737

C393R392

C397R394C396

R384R385

C395

C412

C424

C448

C444R445

R1068C1061

D872

D1051

R1053

R1067

R1064

R874C872R864C862C852R854

R893C893

R892C892

D852

C1010R1001

C1007C1009R1006

R1008

R2051

R2021

C2014

R2001

C1521C1085 R1101R1081

C2015R2012C2011C2012R2011

C2022C2021

R1003

Q891

C914 R891C891

R875

R871R872

R764R765C762

R814R813

R812

R801

Q801

C801R824

C816

J1501

R818R821

R817R816

R885

C881R882

R862

R851

R853

R841

R861

R865 R1066R1062

R1063

Q1063

Q1061

R1052

R446

C445

C414

C392

C1352C1373

C1374

C1372

R1371

R1351R1374D1371

C321C301C281

C304

C305

C303

C327

C324

C261C241

C262

C282

D341

R142

J1351

F1352

F1351

R112

J111

FI701

J781J782

L381

L385

J1522

X1001

J1081L892

FI871

FI861

J783J784

3LO

BFO

IC1291

C1296

L1291

C1295

L732

L461

L443

L462

FI461

FI761

F1353

D1351

IC1371

FUSE 3A

RL1

21

C13

53

C13

75

R10

2

RL1

41

MP

381

MP

1411

MP

491

2LO

R14

01

J175

1

J491

C13

91

J411

1LO

L101

J101

J131

1

L471

L701

L731

L441

L383

MP

441

MP

442

X20

21

L891

J884

J883

L911

FI8

51

J811

J881

MP

881

J882

J124

1

1

IC73

1

L711

L712

J132

1J1

701

D381

D371

D391

D372

D392

D222

D202

D182

D851

D881

D783

D784

D732

D771D7

72

D773D7

74

FD

2

J1521

AFOESPOISPOAFE5V8V14VH5V

AFOESPOISPOAFEGNDGNDHVRBATT15

1

16

2

15

1

16

2

15

1

16

2

to LOGIC board J541

RFGVSMLEMTIBEEPSQLSRXSSPSTCIV

AFGVFMNLSALIRECSAGRSSBSYGNDCIVE

to LOGIC board J521

PWRCDINTPSTBASTBMCKPDATPCO2PST2

DSPSDSTBISTBMDATDRESPCKPST1PST3

to PLL unit J2

DR

ES

PC

KP

ST

1P

ST

3U

NLC

AA

FO

GN

D14

V

PD

AT

PC

O2

PS

T2

GN

DR

EC

S5V 8V 14

V

2 16

1 15

J1231

from optional unit UT-106

[DC 1N]

[ANT2]

(450 Ω)

(GND)

[MUTE]

[EXT SP]

[REMOTE]

[RS-232C]

J1221

GN

DD

SS

RM

CK

RD

ST

RD

RS

R

GN

DG

ND

5V MD

TR

DIT

R

210

9 1DAFOAFE

4

1

J1561

J1541

J1271

MD

AT

BU

SY

5V GN

D

SP

ST

MC

KS

PC

ES

PC

H

2 8

1 7

from optional unit UT-102

to LOGIC board J501

J1501

Page 41: IC-R75 service manual

9 - 1

SECTION 9 BLOCK DIAGRAM

ANT2(450 Ω)

450 Ω to50 Ω

1.6MHz

1.6MHz

60MHz

ANT1(50 Ω)CHASSIS

UNIT

RL121MZ-12HG

RL141MZ-12HG

10dB

2MHz130MHz

BW=15kHz

R14VREG

XTALBPF

IFAMP

XTALBPF

XTALBPF

OPTIONALXTALBPF

NBGATE

IFAMP

LPF

ATT

NBDET

AGCAMP

AGCAMP

NOISEAMP

NOISEAMP

NOISEAMP

GATECTRL

LOAMP

Q472XP4311

Q3812SK2171 4Q3822SK2171 4

60MHz

Q4412SK1740Q4422SK1740

FI461FL-261

B0

B1

BW=15kHz

Q4713SK131 MAS

D491HSB88WS

FI701FL-23

D711 MA77D712 MA77D713 MA77D714 MA77

Q7213SK131 MAS

Q735 2SC4081 RQ736 DTC114EUQ737 XP4311D732 1SS355

FI761FL-272

Q8012SC4081 RIC811

MC1496D

Q8913SK131 MAS

2F3K

2FTH

OPTIONALUNIT

UT-106

Q9112SK882 GRQ9122SC4081 R

RX TOTAL GAINR898RV-150

IC1101MC1496D

IC1001 TA31136FNX1001 CDB450C24

IC1201BU4052BCFV

UT-102(OPT)

R1254RV-148

SPEECH LEVEL

IC1281BU4052BCFVIC1291

LA4425A

IC1251M5282FPRFGVAFMS

ANTCATTC

FMDET

IFAMP

DE-EMPHA

AFSELECT

3 kHz IC1211DNJM2058M

Q10012SK882 GR

IC2001 MC13022ADWQ2021 DTC114EUX2021 CSA3.60MGF103

Q10312SC4081 R

D10611SS375

Q10632SC4081 R

Q1061 XP4311Q1064 XP4311Q1065 XP4311Q1066 XP4311

IC1211BNJM2058MIC1211ANJM2058M

IC1211C NJM2058MD831 1SS302

Q1051 2SC4081 RD1051 1SS357

2FOP3dB

Q7312SK882 GR

IC731LA1150N

Q7332SC4081 R

D7311SS375

Q7342SC4081 R

Q7322SA1576 R

2~4MHz

4~8MHz

8~11MHz

11~15MHz

15~22MHz

IC391UPC1658G

Q4112SC4673 D

PRE1REG

PREAMP

Q383XP4311

PRE2REG

Q391XP4311

B2

B3

B4

B5

B6

PRO-TECT

SWCTRL

D1411SS302D1421SS302

Q151DTC114EU

IC551BU4094BCFVIC552BU4094BCFV

IC561TD62783AFIC562TD62783AF

SHIFTREG-ISTOR

DRIVER

22~30MHz

30~50MHz

(69.0115~129.0115MHz)

Q912SC4405

LOAMP

AMP

AMP

AMP

B7

B8

B9

RIPPLEFILTER

LPF

LPF D/A

1/4

Q962SC4117

DELAYCTRL

BT1521CR2032

EXT SPJACKEXT SP

PHONEJACK

PHONE BOARD

DISPLAY BOARD

PHONES

INT SP

LOGIC BOARD

FRONT UNIT

(9.4665MHz)

DDSP/D

LOOPFIL

x2(60MHz)

6.0MHz

IC22UPB1509GVP/D Freq = 30MHz / R

(R=7,8,9,10)DIV(1/R)

Q92 DTA114EUD91 MA77D92 MA77

Q712SK508Q72DTC114EUD71KV1470

Q812SK508Q82DTC114EUD81KV1470

IC23TC7S04F

Q212SC4117

Q22SC4405

DDS Output Freq = P/D Freq

CR-282(OPTION)

(30MHz)

IC21SC-1246/A

X1CR-275A

Q12SC4405

Q4DTC114EUD21SS355RL1AHY103

PCK

PDAT

PST1PCO2

DRES

RECS

LOF2

REC OUT

REC REMOTE

VCOS

DULS

ULD

AMP

(455kHz)

Q3DTC114EUD1DAN222

UNLCULD

DULS

IC1751 DS14C232TMIC1771 TC7W04FQ1771 2SA1576 RQ1772 2SC4081 RD1771 1SS355

Q1311 2SC4081 RD1311 1SS355

CI-VCPU

IC401A TC74HC04AFIC401B TC74HC04AFQ401 XP4601D401 1SS355

IC231X25320S

IC351M52354GP

X111CM200S(32.768 kHz)X112CR-567(9.8304 MHz)

Q3912SC4116 BLD381MA8051 MD382MA729D3931SS355IC391S-80842ALMP-DD6IC392TC7S08F

FRONTKEY

LCD

R141(I)AF GAIN

VR BOARD

DS101HLC7395-012400

DRIVER

DRIVERBACKLIGHT DIMV

Q11 2SC4116 BLQ21 2SC4116 BLQ31 2SC4116 BLQ41 2SC4116 BLQ51 2SC4116 BLQ61 2SC4116 BLQ71 2SC4116 BLQ81 2SC4116 BL

TLYE1002 X 24

MAIN DIAL

R141(O)RF GAIN/SQL

EP1RMS20-250-201-1R

R131(I)TWIN PBT(I)

MUP

MDN

AFGL

RFGL

PB1L

PB2L

R131(O)TWIN PBT(O)

RESET

IC401CTC74HC04AFIC401DTC74HC04AFIC401ETC74HC04AFIC401FTC74HC04AF

EMTI

DIMVRFGVAFGV

BEEP

HVRBPCK

MUTE

PLL UNIT MAIN UNIT

MCK

AGCAGC

AFS1

AFS2

SQLS

MDAT

SPST

SBSY

BEEP

LPFPVRAMP VCA

AFAMP

AFMUTE

IFAMP

IFAMP LPF

ATTHPF

LPFATT

LPF

LPF

PREAMP

BPF

BPF

BPF

BPF

BPF

BPF

BPF

BPF

B0SB1SB2SB3SB4SB5SB6SB7SB8SB9SPR1SPR2SPOFSATTSANTS

2S3K2STH2SOP3S3K3S6K3S153SOP

8VLOF2

PRE1

POFF

PRE1

AGCAGC

14V

R8V

14V

PRE2

14V

PRE2

POFF

ATTC

ANTC

AGRS

AGFS

AGSS

AGOS

DRESDSPSMDATMCKDSTBDINT

50~60MHz

NBSNBLSUNLC

IC1603TD62783AF

DRIVER

BUFF

FI851FL-65

3F3K

CERAMICBPF

FI861CFWS450HT

3F6K

CERAMICBPF

FI871CFWS450E

3F15

CERAMICBPF

3FOP

OPTIONALXTALBPF

FMNL

SALI

AGC

SML

SAMS

AMDET

AGCDET

BUFF

AGCAMP

METERAMP

BUFF

IC1601BU4094BCFV

SHIFTREG-ISTOR

AFS1AFS2AFMSAGFSAGSSAGOSNBSNBLS

MCK

MDAT

ASTB

SPSTSBSY

RXSAGRSSQLSRECS

SALIEMTIFMNLSML

PST3PST2PST1PCO2PCKPDATDRESMCKMDATASTBISTBRSTBDSTB

IC1602BU4094BCFV

SHIFTREG-ISTOR

2S3K2STH2SOP3S3K3S6K3S153SOPSAMS

MCK

MDAT

ISTB

REG

D1351DSA3A1

IC1361AN78L05M

+5REG

R8REG

+8REG

+5REG

_5DC-DC

DRIVER

DRIVER

DRIVER

DRIVER

PWRCDRIVER

Q351DTC114EU DRIVE

AMP

EEPROM

D/R

PRO-TECT

IC1371PQ30RV31D13711SS355

IC1411 µPC1555G2D1412 1SS302D1413 MA8051 M

Q1381 2SC1664 QQ1382 DTC114EUD1381 1SS302

IC1391 TA7808F

IC1401 TA7805F

HVR

H5V

14V

R8V

RXS

8V

5V

_5V

F1351FGB 3A

DC IN

PWRC

DINTDSPSBPCKPWRS

Q421DTA144EU

RS-232C

Q5112SA1576 RQ512XP4601

BACKUPSW

B5V

IC101HD6433835

IC101HD66100F

H5V

VCOSW

Q93DTC114EU

VCOS

DRIVER

DDSD/RLPF AMP

IC151SC-1287

Q1512SC4117

PCKPDATPST2DRES

DDSD/RLPF AMP

IC201SC-1287

Q2012SC4117

PCKPDATPST3DRES

RFGV

20dB

MCK

MDAT

RSTB

Page 42: IC-R75 service manual

R211 1 k

R210 1 kR209 1 k

R208 1 k

R206 1 kR205 1 k

R203 1 k

R204 1 k

R202 1 k

R201 1 k

R271 47 k

R273 47 k

R275 47 k

R277 47 k

R279 47 k

R281 47 k

R283 47 k

R285 47 k

R287 47 k

R272 47 k

R274 47 k

R276 47 k

R278 47 k

R282 47 k

R280 47 k

R284 47 k

R286 47 kAFGLRFGLPB1LPB2LFMNL

PWRSBPCKRXSAGRSSQLSBKUPDCKRECSERXDETXD

MWK

SML

R254 6.8 k

R256 6.8 k

R255 6.8 k

R253 6.8 k

R251 6.8 k C2060.1

C2050.1

C204 0.1

C203 0.1

C202 0.1

C201 0.1

R252 6.8 k

5VL

R257 6.8 k

R258 6.8 k

R259 6.8 k

R260 6.8 k

T1K

T2K

T3K

T4K

T5K

T6K

T7K

T8K

X112 CR-567

R1121 M

C2560.1

C2550.1

C2540.1

C2530.1

C2520.1

C2510.1

R261 6.8 k

R262 6.8 k

C11222 P

C113 30 P

X111CM200S

C11120 P

T9K

TDK

PC3/AN11 1

PC

2/A

N10

PC

1/A

N9

PC

0/A

N8

PB

7/A

N7

PB

6/A

N6

PB

5/A

N5

PB

4/A

N4

PB

3/A

N3

PB

2/A

N2

PB

1/A

N1

PB

0/A

N0

100

VC

C76

P10

/TM

OW

77

P97/SEG40/CL1 75P11

/TM

OF

L78

AVSS 2

TEST 3

X2 4

X1 5

VSS 6

OSC1 7

OSC2 8

RES 9

MD0 10

P20/IRQ4/ADTRG 11

P21/UD 12

P22 13

P23 14

P24 15

P25 16

P26 17

P27 18

P30/SCK1 19

P31/SI1 20

P32/SO1 21

P33/SCK2 22

P34/SI2 23

P35/SO2 24

P36/STRB 25

P37

/CS

26

VS

S

VC

C

27 28 29 30 31

PA

3/C

OM

4P

A2/

CO

M3

PA

1/C

OM

2P

A0/

CO

M1

32 33 3834

P50

/WK

P0/

SE

G1

P51

/WK

P1/

SE

G2

P52

/WK

P2/

SE

G3

P53

/WK

P3/

SE

G4

P54

/WK

P4/

SE

G5

P55

/WK

P5/

SE

G6

P56

/WK

P6/

SE

G7

P60

/SE

G9

P61

/SE

G10

P62

/SE

G11

P63

/SE

G12

P64

/SE

G13

P65

/SE

G14

P66

/SE

G15

P57

/WK

P7/

SE

G8

35 36 37 39 40 41 42 43 44 45 46 47 48 49 50

P67/SEG16 51P70/SEG17 52P71/SEG18 53P72/SEG19 54P73/SEG20 55P74/SEG21 56P75/SEG22 57P76/SEG23 58P77/SEG24 59P80/SEG25 60P81/SEG26 61P82/SEG27 62P83/SEG28 63P84/SEG29 64P85/SEG30 65P86/SEG31 66P87/SEG32 67P90/SEG33 68P91/SEG34 69P92/SEG35 70P93/SEG36 71

P94/SEG37/M 72P95/SEG38/D0 73

P96/SEG39/CL2 74

P12

/TM

OF

H79

P13

/TM

IG80

P14

/PW

M81

P15

/IRQ

1/T

MIB

82P

16/IR

Q2/

TM

IC83

P17

/IRQ

3/T

MIF

84P

40/S

CK

385

P41

/RX

D86

P42

/TX

D87

P43

/IRQ

088

AV

CC

8990919293949596979899

IC101HD6433837SC58H

C1010.1

C1050.1 R289 47 k

R291 47 k

R288 47 k

R290 47 k

R292 47 k

R197 1k

C1040.1

R198 100 k

C10310

CL1

M

B5VAGCKNBK

R422100 k

R421470R423

10 k

Q421DTA144EU

PWRS

PWRC

PWRS

PWRCR163 47 k

R162 47 k

R195 1k

R193 1k

R191 1k

R196 1 k

R194 1 k

R192 1 k

R179 1k

R177 1k

R175 1k

R173 1k

R171 1k

R178 1k

R176 1k

R174 1k

R172 1k

PCO2

DSPS

SALIEMTI

R33547 k

R121 1k

R122 1k

R124 1k

R125 1k

R126 1k

R128 1k

R130 1k

R123 1k

R129 1k

R131 1k

C114 30 P

Q351DTC114EU

BEEP

DASTRSTB

PCKPST1

MCK

MDAT

BPCK

DIMV

DUD

CRES

R127 220

DO 1

LD 2

CLK 3

DI 4

AO1 5

AO2 6

NC 7

GND 8 VSS 9NC 10

AO3 11AO4 12AO5 13AO6 14VDD 15VCC 16

IC351 M62354GP

C3510.1

R3516.8 k

R3526.8 k

C35222

5VL

BEPV

R361220 k

R362220 k

IC401FTC74HC04AF

IC401ETC74HC04AF

5

IC401CTC74HC04AF

IC401DTC74HC04AF

MUP

MDN

CS 1

SO 2

WP 3

VSS 4 SI 5SCK 6

HOLD7

VCC 8

IC231 X25320SI-2.7

R231 100 k

C2310.1

H5VL

RFGVAFGV

DCK

DUD

C1020.1

R22310 k R224 10 k

R225 10 k

C2210.1

R221 470

CO

M1

CO

M2

CO

M3

CO

M4

V3

V2

V1

V3

V2

V1

R161 47 k

W163

W162

W161

R155 1k

R153 1k

R151 1k

R149 1k

R147 1k

R145 1k

R143 1k

R141 1k

R154 1kR152 1k

R150 1k

R148 1k

R146 1k

R144 1k

R142 1kSSBKCWKAMKFMKFILKTSKPREKATTKNRKANFKNBKAGCKVMKMWKCLRK

R3941 k

R395470 k

D3931SS355

R396220 kR397

220 k

D4011SS355

R39910 k

C3920.22

Q3912SC4116 BL

BK

UP

CR

ES R401

33 kR4026.8 k

321

456

Q401XP460

R415

H5VL

R403100 k

R392 56 k

R39139 k

OUT1VDD2VSS3 NC 4

CD 5

IC391S-80942ANMP-DD6

C39422 P

R39347 k

R398100 k

C3950.1

C3930.22

1

2

3

4

5

IC392TC7S08F

L501120 µH

R5112.2 M

321

456

Q512XP4601R513

39 k

R5146.8 k R381

1 k

D381MA8051 M

R38247 k

D382MA729

H5VL

5VL

HV

B5V

14V

C5050.1

Q5112SA1576 R

EP502MMZ1608Y102BT

L503 HF50ACC322513-BL502120 µH

EP501MMZ1608Y102BT

C4610.1

MUPMDN

5VL

GND

J461B4B-PH-SM3-TB

D461NNCD6.2G

VR BOARD

R51210 k

R131TP96D26-22F-10KBX2-2240

GNDGND

GNDPB2LPB1L

5VL

RFGLAFGL

GNDGND

10987654321

J101

527

93-1

090

R141TP96D00-22F-10KBX2-2240

PBT1

PBT2

RF/SQL

AF R1436.8 k

6 9 8

13 12 11 10

C5020.1

CL2DO

DSTBDINT

DRESSBSYSPST

SELKSCAKUPKDNKLOCKSETKCLKK

PST3

PST2PDAT

ASTB

ISTB

VMK

PREKATTKNRKANFK

CLKK

FMKCWK

SETKTSKFILKAMK

SSBK

SELKSCAK

LOCKDNKUPK

CLRK

ENTK

T0K

1234

1 2 3

45

EP1RMS20-250-201-1R

1234

5VLMUPMDNGND

MAIN DIAL

FRONT UNIT

PB1LPB2L

5VL

RFGLAFGL

GNDGNDGNDGND

GND

C4520.1

C4510.1

C4530.1

C4540.1

10

J451

528

08-1

090

12345678910

ESPOESPO

AFEAFE

GND

AFOAFOAFO

ESPO

AFE

J471

5280

8-10

90

MA

IN(1

)M

AIN

(2)

J501

528

08-1

690

AFOAFO

AFEAFE5VGND8VGND14VHVH5VBATT

ISPOISPOESPOESPO

L121HF50ACC322513-B

J121

HLJ

2307

-01-

3070

ESPOESPO

AFEAFE

GND

AFOAFOAFO

ESPO

AFE

10987654321

R122100

R121100

C1230.0047

C1210.0047

C1220.0047

PHONE BOARDJ101 52793-1090

12

P1PHR-2

ISPOAFE

INT SP

SP1 VS-50-0827

W1W2

12

J491B2B-PH-SM3-TB

L492HF50ACC322513-B

L491 HF50ACC322513-B

EP521 MMZ1608Y102BTEP522 MMZ1608Y102BTEP523 MMZ1608Y102BTEP524 MMZ1608Y102BT

EP527 MMZ1608Y102BT

EP525 MMZ1608Y102BTEP526 MMZ1608Y102BT

J521

528

08-1

690 PWRC

DSPSDINTDSTBRSTBISTBASTB

MCKMDAT

PDATDRES

PCKPCO2PST1PST2PST3

123456789

10111213141516

MA

IN(3

)J5

41 5

2808

-169

0 RFGV

SMLFMNLEMTISALIBEEPRECSSQLSAGRSRXSSBSYSPSTGNDCIVCIVE

AFGV

123456789

10111213141516

123456789

10111213141516

W401C5030.1

LOGIC BOARD

123456789

AFEISPO

• BPCK (At beep on)

1 ms(2 ms)

4.8 V

0 V

• IC101-8pin

102 ns

2.4 V

0 V

4.3 V

• DCK

• DCK/DUD (At turn the main dial to the clockwise)

4.8 V

0 V

• DUD4.8 V

0 V

4.9 V

3.0 V

4.5 V

13.8 V

4.8 V

4.9 V

4.8 V

5.2 V

5.2 V0 V

Power on: 4.8 VPower off: 3.0 V

Power on: 4.8 VPower off: 0 V

Power on: 0 VPower off: 4.9 V

• IC101-4pin

1.5 V

0 V

SECTION 10 VOLTAGE DIAGRAM

11 - 1

10-1 FRONT UNIT

COMPLETE VIEW

Page 43: IC-R75 service manual

R272 47 k

R274 47 k

R276 47 k

R278 47 k

R282 47 k

R280 47 k

R284 47 k

R286 47 k

R288 47 k

R290 47 k

R292 47 k

L1

DISPLAY BOARD

12345678910111213141516

16151413121110987654321

J411

528

08-1

690

MH5VL

DOCL2

14V

R422100 k

R421470R423

10 k

Q421DTA144EU

PWRS

PWRC

PWRS

PWRC

CO2

SPS

R3941 k

R395470 k

D3931SS355

R396220 kR397

220 k

D4011SS355

R39910 k

C3920.22

Q3912SC4116 BL

BK

UP

CR

ES R401

33 kR4026.8 k

321

456

Q401XP4601

C4010.1

R405100 k

R40415 k

1 214

7IC401ATC74HC04AF

ETXD

H5VL

R403100 k

3 4

IC401BTC74HC04AF

ERXD

R392 56 k

R39139 k

OUT1VDD2VSS3 NC 4

CD 5

IC391S-80942ANMP-DD6

C39422 P

R39347 k

R398100 k

C3950.1

C3930.22

1

2

3

4

5

IC392TC7S08F

R3811 k

D381MA8051 M

R38247 k

D382MA729

H5VL

5VL

HV

B5V

14V

DS101HLC7395-012400

VEE31

Y50 81

Y31 100

NC50

V132V233V334V435GND36CL137NC38SHL39CL240DI41DO42NC43M44NC45VCC46NC47NC48NC49 Y49 82

Y48 83

Y47 84

Y46 85

Y45 86

Y44 87

Y43 88

Y42 89

Y41 90

Y40 91

Y39 92

Y38 93

Y37 94

Y36 95

Y35 96

Y34 97

Y33 98

Y32 99

IC101HD66100F

H5VL

V1

V3V2

CL1

CL2DO

M

C1010.1

SE15SE14SE13SE12SE11SE10

SE1SE2SE3SE4SE5SE6SE7SE8SE9

SE

15S

E14

SE

13S

E12

SE

11S

E10

SE

1S

E2

SE

3S

E4

SE

5S

E6

SE

7C

OM

4C

OM

3C

OM

2C

OM

1S

E8

SE

9

14V

DS11TLYE1002

DS12TLYE1002

DS21TLYE1002

DS22TLYE1002

DS31TLYE1002

DS32TLYE1002

DS41TLYE1002

DS42TLYE1002

DS51TLYE1002

DS52TLYE1002

DS61TLYE1002

DS62TLYE1002

DS71TLYE1002

DS72TLYE1002

DS81TLYE1002

DS82TLYE1002

J101

528

08-1

690

DS83TLYE1002

R81330

R82220

Q312SC4116 BL

DS63TLYE1002

DS73TLYE1002

R61330

R62220

R71330

R72220

Q512SC4116 BL

Q412SC4116 BL

R41330

R42220

R51330

R52220

DS43TLYE1002

DS53TLYE1002

Q712SC4116 BL

Q612SC4116 BL

R12220

R21330

R22220

R31330

R32220

DS23TLYE1002

DS33TLYE1002

Q212SC4116 BL

Q812SC4116 BL

DIM

V

R11330

DS13TLYE1002

Q112SC4116 BL

CL1V3V2V1

GND

GND

COM1COM2COM3COM4

L2O

STBNT

RESBSYPST

Y1

Y2

Y3

Y4

Y5

Y6

Y7

Y8

Y9

Y10

Y11

Y12

Y13

Y14

Y15

Y16

Y17

Y18

Y19

Y20

Y21

Y22

Y23

Y24

Y25

Y26

Y27

Y28

Y29

Y30

Y80

Y79

Y78

Y77

Y76

Y75

Y74

Y73

Y72

Y71

Y70

Y69

Y68

Y67

Y66

Y65

Y64

Y63

Y62

Y61

Y60

Y59

Y58

Y57

Y56

Y55

Y54

Y53

Y52

Y51

30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 123456789

3031323334353637383940414243444546474849 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 123456789

51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 807978777675747372

SE

45S

E44

SE

43S

E42

SE

41S

E40

SE

39S

E38

SE

37S

E36

SE

35S

E34

SE

33S

E32

SE

31S

E30

SE

29S

E28

SE

27S

E26

SE

25S

E24

SE

23S

E22

SE

21S

E20

SE

19S

E18

SE

17S

E16

SE

45S

E44

SE

43S

E42

SE

41S

E40

SE

39S

E38

SE

37S

E36

SE

35S

E34

SE

33S

E32

SE

31S

E30

SE

29S

E28

SE

27S

E26

SE

25S

E24

SE

23S

E22

SE

21S

E20

SE

19S

E18

SE

17S

E16

SE

G30

SE

G31

SE

G32

SE

G33

SE

G34

SE

G35

SE

G36

SE

G37

SE

G38

SE

G39

SE

G40

SE

G41

SE

G42

SE

G43

SE

G44

SE

G45

SE

G29

SE

G28

SE

G27

SE

G26

SE

G25

SE

G24

SE

G23

SE

G22

SE

G21

SE

G20

SE

G19

SE

G18

SE

G17

SE

G16

SE

G15

SE

G14

SE

G13

SE

G12

SE

G11

SE

G10

SE

G9

SE

G8

SE

G7

SE

G6

SE

G5

SE

G4

SE

G3

SE

G2

SE

G1

DIMV

MH5VL

DOCL2

14V

CL1V3V2V1

GND

GND

COM1COM2COM3COM4

DIMV

W401

1.3 V

4.8 V

• CL1

• CL2

Pals 14µs

32 µs

2.8 V

*4.8 V

13.6 V

*4.2 V

*8.0 V

*: BK LIGHT=10

4.8 V

0 V2 ms

4.8 V

0 V

• M

2 ms

4.8 V

0 V

• BPCK (At beep on)

1 ms(2 ms)

4.8 V

0 V

• IC101-8pin

102 ns

2.4 V

0 V

4.3 V

• DCK

• DCK/DUD (At turn the main dial to the clockwise)

4.8 V

0 V

• DUD4.8 V

0 V

• COM0

8 ms

4.8 V

3.2 V

1.6 V1.1 V0 V

• DO(Variational follow the display)

25 µs

4.8 V

0 V

13.8 V

4.8 V

4.9 V

4.8 V

5.2 V

5.2 V

4.8 V

4.8 V

0 V

Power on: 4.8 VPower off: 3.0 V

Power on: 4.8 VPower off: 0 V

Power on: 0 VPower off: 4.9 V

• IC101-4pin

30.5 µs

1.5 V

0 V

2.6 V

RIGHT SIDECOMPLETE VIEW

Page 44: IC-R75 service manual

R211 1 k

R210 1 kR209 1 k

R208 1 k

R206 1 kR205 1 k

R203 1 k

R204 1 k

R202 1 k

R201 1 k

R271 47 k

R273 47 k

R275 47 k

R277 47 k

R279 47 k

R281 47 k

R283 47 k

R285 47 k

R287 47 k

R272 47 k

R274 47 k

R276 47 k

R278 47 k

R282 47 k

R280 47 k

R284 47 k

R286 47 kAFGLRFGLPB1LPB2LFMNL

PWRSBPCKRXSAGRSSQLSBKUPDCKRECSERXDETXD

MWK

SML

R254 6.8 k

R256 6.8 k

R255 6.8 k

R253 6.8 k

R251 6.8 k C2060.1

C2050.1

C204 0.1

C203 0.1

C202 0.1

C201 0.1

R252 6.8 k

5VL

R257 6.8 k

R258 6.8 k

R259 6.8 k

R260 6.8 k

T1K

T2K

T3K

T4K

T5K

T6K

T7K

T8K

X112 CR-567

R1121 M

C2560.1

C2550.1

C2540.1

C2530.1

C2520.1

C2510.1

R261 6.8 k

R262 6.8 k

C11222 P

C113 30 P

X111CM200S

C11120 P

T9K

TDK

PC3/AN11 1

PC

2/A

N10

PC

1/A

N9

PC

0/A

N8

PB

7/A

N7

PB

6/A

N6

PB

5/A

N5

PB

4/A

N4

PB

3/A

N3

PB

2/A

N2

PB

1/A

N1

PB

0/A

N0

100

VC

C76

P10

/TM

OW

77

P97/SEG40/CL1 75P11

/TM

OF

L78

AVSS 2

TEST 3

X2 4

X1 5

VSS 6

OSC1 7

OSC2 8

RES 9

MD0 10

P20/IRQ4/ADTRG 11

P21/UD 12

P22 13

P23 14

P24 15

P25 16

P26 17

P27 18

P30/SCK1 19

P31/SI1 20

P32/SO1 21

P33/SCK2 22

P34/SI2 23

P35/SO2 24

P36/STRB 25

P37

/CS

26

VS

S

VC

C

27 28 29 30 31

PA

3/C

OM

4P

A2/

CO

M3

PA

1/C

OM

2P

A0/

CO

M1

32 33 3834

P50

/WK

P0/

SE

G1

P51

/WK

P1/

SE

G2

P52

/WK

P2/

SE

G3

P53

/WK

P3/

SE

G4

P54

/WK

P4/

SE

G5

P55

/WK

P5/

SE

G6

P56

/WK

P6/

SE

G7

P60

/SE

G9

P61

/SE

G10

P62

/SE

G11

P63

/SE

G12

P64

/SE

G13

P65

/SE

G14

P66

/SE

G15

P57

/WK

P7/

SE

G8

35 36 37 39 40 41 42 43 44 45 46 47 48 49 50

P67/SEG16 51P70/SEG17 52P71/SEG18 53P72/SEG19 54P73/SEG20 55P74/SEG21 56P75/SEG22 57P76/SEG23 58P77/SEG24 59P80/SEG25 60P81/SEG26 61P82/SEG27 62P83/SEG28 63P84/SEG29 64P85/SEG30 65P86/SEG31 66P87/SEG32 67P90/SEG33 68P91/SEG34 69P92/SEG35 70P93/SEG36 71

P94/SEG37/M 72P95/SEG38/D0 73

P96/SEG39/CL2 74

P12

/TM

OF

H79

P13

/TM

IG80

P14

/PW

M81

P15

/IRQ

1/T

MIB

82P

16/IR

Q2/

TM

IC83

P17

/IRQ

3/T

MIF

84P

40/S

CK

385

P41

/RX

D86

P42

/TX

D87

P43

/IRQ

088

AV

CC

8990919293949596979899

IC101HD6433837SC58H

C1010.1

C1050.1 R289 47 k

R291 47 k

R288 47 k

R290 47 k

R292 47 k

R197 1k

C1040.1

R198 100 k

C10310

CL1

M

B5VAGCKNBK

DISPLAY BOARD

12345678910111213141516

16151413121110987654321

J411

528

08-1

690

MH5VL

DOCL2

14V

R422100 k

R421470R423

10 k

Q421DTA144EU

PWRS

PWRC

PWRS

PWRCR163 47 k

R162 47 k

R195 1k

R193 1k

R191 1k

R196 1 k

R194 1 k

R192 1 k

R179 1k

R177 1k

R175 1k

R173 1k

R171 1k

R178 1k

R176 1k

R174 1k

R172 1k

PCO2

DSPS

SALIEMTI

R33547 k

R121 1k

R122 1k

R124 1k

R125 1k

R126 1k

R128 1k

R130 1k

R123 1k

R129 1k

R131 1k

C114 30 P

Q351DTC114EU

BEEP

DASTRSTB

PCKPST1

MCK

MDAT

BPCK

DIMV

DUD

CRES

R127 220

DO 1

LD 2

CLK 3

DI 4

AO1 5

AO2 6

NC 7

GND 8 VSS 9NC 10

AO3 11AO4 12AO5 13AO6 14VDD 15VCC 16

IC351 M62354GP

C3510.1

R3516.8 k

R3526.8 k

C35222

5VL

BEPV

R361220 k

R362220 k

IC401FTC74HC04AF

IC401ETC74HC04AF

5

IC401CTC74HC04AF

IC401DTC74HC04AF

MUP

MDN

CS 1

SO 2

WP 3

VSS 4 SI 5SCK 6

HOLD7

VCC 8

IC231 X25320SI-2.7

R231 100 k

C2310.1

H5VL

RFGVAFGV

DCK

DUD

C1020.1

R22310 k R224 10 k

R225 10 k

C2210.1

R221 470

CO

M1

CO

M2

CO

M3

CO

M4

V3

V2

V1

V3

V2

V1

R161 47 k

W163

W162

W161

R155 1k

R153 1k

R151 1k

R149 1k

R147 1k

R145 1k

R143 1k

R141 1k

R154 1kR152 1k

R150 1k

R148 1k

R146 1k

R144 1k

R142 1kSSBKCWKAMKFMKFILKTSKPREKATTKNRKANFKNBKAGCKVMKMWKCLRK

R3941 k

R395470 k

D3931SS355

R396220 kR397

220 k

D4011SS355

R39910 k

C3920.22

Q3912SC4116 BL

BK

UP

CR

ES R401

33 kR4026.8 k

321

456

Q401XP4601

C4010.1

R405100 k

R40415 k

1 214

7IC401ATC74HC04AF

ETXD

H5VL

R403100 k

3 4

IC401BTC74HC04AF

ERXD

R392 56 k

R39139 k

OUT1VDD2VSS3 NC 4

CD 5

IC391S-80942ANMP-DD6

C39422 P

R39347 k

R398100 k

C3950.1

C3930.22

1

2

3

4

5

IC392TC7S08F

L501120 µH

R5112.2 M

321

456

Q512XP4601R513

39 k

R5146.8 k R381

1 k

D381MA8051 M

R38247 k

D382MA729

H5VL

5VL

HV

B5V

14V

C5050.1

Q5112SA1576 R

EP502MMZ1608Y102BT

L503 HF50ACC322513-BL502120 µH

EP501MMZ1608Y102BT

C4610.1

MUPMDN

5VL

GND

J461B4B-PH-SM3-TB

D461NNCD6.2G

VR BOARD

R51210 k

DS101HLC7395-012400

VEE31

Y50 81

Y31 100

NC50

V132V233V334V435GND36CL137NC38SHL39CL240DI41DO42NC43M44NC45VCC46NC47NC48NC49 Y49 82

Y48 83

Y47 84

Y46 85

Y45 86

Y44 87

Y43 88

Y42 89

Y41 90

Y40 91

Y39 92

Y38 93

Y37 94

Y36 95

Y35 96

Y34 97

Y33 98

Y32 99

IC101HD66100F

H5VL

V1

V3V2

CL1

CL2DO

M

C1010.1

SE15SE14SE13SE12SE11SE10

SE1SE2SE3SE4SE5SE6SE7SE8SE9

SE

15S

E14

SE

13S

E12

SE

11S

E10

SE

1S

E2

SE

3S

E4

SE

5S

E6

SE

7C

OM

4C

OM

3C

OM

2C

OM

1S

E8

SE

9

14V

DS11TLYE1002

DS12TLYE1002

DS21TLYE1002

DS22TLYE1002

DS31TLYE1002

DS32TLYE1002

DS41TLYE1002

DS42TLYE1002

DS51TLYE1002

DS52TLYE1002

DS61TLYE1002

DS62TLYE1002

DS71TLYE1002

DS72TLYE1002

DS81TLYE1002

DS82TLYE1002

J101

528

08-1

690

DS83TLYE1002

R81330

R82220

Q312SC4116 BL

DS63TLYE1002

DS73TLYE1002

R61330

R62220

R71330

R72220

Q512SC4116 BL

Q412SC4116 BL

R41330

R42220

R51330

R52220

DS43TLYE1002

DS53TLYE1002

Q712SC4116 BL

Q612SC4116 BL

R12220

R21330

R22220

R31330

R32220

DS23TLYE1002

DS33TLYE1002

Q212SC4116 BL

Q812SC4116 BL

DIM

V

R11330

DS13TLYE1002

Q112SC4116 BL

R131TP96D26-22F-10KBX2-2240

GNDGND

GNDPB2LPB1L

5VL

RFGLAFGL

GNDGND

10987654321

J101

527

93-1

090

R141TP96D00-22F-10KBX2-2240

PBT1

PBT2

RF/SQL

AF R1436.8 k

6 9 8

13 12 11 10

C5020.1

CL1V3V2V1

GND

GND

COM1COM2COM3COM4

CL2DO

DSTBDINT

DRESSBSYSPST

SELKSCAKUPKDNKLOCKSETKCLKK

PST3

PST2PDAT

ASTB

ISTB

VMK

PREKATTKNRKANFK

CLKK

FMKCWK

SETKTSKFILKAMK

SSBK

SELKSCAK

LOCKDNKUPK

CLRK

ENTK

T0K

Y1

Y2

Y3

Y4

Y5

Y6

Y7

Y8

Y9

Y10

Y11

Y12

Y13

Y14

Y15

Y16

Y17

Y18

Y19

Y20

Y21

Y22

Y23

Y24

Y25

Y26

Y27

Y28

Y29

Y30

Y80

Y79

Y78

Y77

Y76

Y75

Y74

Y73

Y72

Y71

Y70

Y69

Y68

Y67

Y66

Y65

Y64

Y63

Y62

Y61

Y60

Y59

Y58

Y57

Y56

Y55

Y54

Y53

Y52

Y51

30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 123456789

3031323334353637383940414243444546474849 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 123456789

51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 807978777675747372

SE

45S

E44

SE

43S

E42

SE

41S

E40

SE

39S

E38

SE

37S

E36

SE

35S

E34

SE

33S

E32

SE

31S

E30

SE

29S

E28

SE

27S

E26

SE

25S

E24

SE

23S

E22

SE

21S

E20

SE

19S

E18

SE

17S

E16

SE

45S

E44

SE

43S

E42

SE

41S

E40

SE

39S

E38

SE

37S

E36

SE

35S

E34

SE

33S

E32

SE

31S

E30

SE

29S

E28

SE

27S

E26

SE

25S

E24

SE

23S

E22

SE

21S

E20

SE

19S

E18

SE

17S

E16

SE

G30

SE

G31

SE

G32

SE

G33

SE

G34

SE

G35

SE

G36

SE

G37

SE

G38

SE

G39

SE

G40

SE

G41

SE

G42

SE

G43

SE

G44

SE

G45

SE

G29

SE

G28

SE

G27

SE

G26

SE

G25

SE

G24

SE

G23

SE

G22

SE

G21

SE

G20

SE

G19

SE

G18

SE

G17

SE

G16

SE

G15

SE

G14

SE

G13

SE

G12

SE

G11

SE

G10

SE

G9

SE

G8

SE

G7

SE

G6

SE

G5

SE

G4

SE

G3

SE

G2

SE

G1

DIMV

MH5VL

DOCL2

14V

CL1V3V2V1

GND

GND

COM1COM2COM3COM4

DIMV

1234

1 2 3

45

EP1RMS20-250-201-1R

1234

5VLMUPMDNGND

MAIN DIAL

FRONT UNIT

PB1LPB2L

5VL

RFGLAFGL

GNDGNDGNDGND

GND

C4520.1

C4510.1

C4530.1

C4540.1

10

J451

528

08-1

090

12345678910

ESPOESPO

AFEAFE

GND

AFOAFOAFO

ESPO

AFE

J471

5280

8-10

90

MA

IN(1

)M

AIN

(2)

J501

528

08-1

690

AFOAFO

AFEAFE5VGND8VGND14VHVH5VBATT

ISPOISPOESPOESPO

L121HF50ACC322513-B

J121

HLJ

2307

-01-

3070

ESPOESPO

AFEAFE

GND

AFOAFOAFO

ESPO

AFE

10987654321

R122100

R121100

C1230.0047

C1210.0047

C1220.0047

PHONE BOARDJ101 52793-1090

12

P1PHR-2

ISPOAFE

INT SP

SP1 VS-50-0827

W1W2

12

J491B2B-PH-SM3-TB

L492HF50ACC322513-B

L491 HF50ACC322513-B

EP521 MMZ1608Y102BTEP522 MMZ1608Y102BTEP523 MMZ1608Y102BTEP524 MMZ1608Y102BT

EP527 MMZ1608Y102BT

EP525 MMZ1608Y102BTEP526 MMZ1608Y102BT

J521

528

08-1

690 PWRC

DSPSDINTDSTBRSTBISTBASTB

MCKMDAT

PDATDRES

PCKPCO2PST1PST2PST3

123456789

10111213141516

MA

IN(3

)J5

41 5

2808

-169

0 RFGV

SMLFMNLEMTISALIBEEPRECSSQLSAGRSRXSSBSYSPSTGNDCIVCIVE

AFGV

123456789

10111213141516

123456789

10111213141516

W401C5030.1

LOGIC BOARD

123456789

AFEISPO

1.3 V

4.8 V

• CL1

• CL2

Pals 14µs

32 µs

2.8 V

*4.8 V

13.6 V

*4.2 V

*8.0 V

*: BK LIGHT=10

4.8 V

0 V2 ms

4.8 V

0 V

• M

2 ms

4.8 V

0 V

• BPCK (At beep on)

1 ms(2 ms)

4.8 V

0 V

• IC101-8pin

102 ns

2.4 V

0 V

4.3 V

• DCK

• DCK/DUD (At turn the main dial to the clockwise)

4.8 V

0 V

• DUD4.8 V

0 V

• COM0

8 ms

4.8 V

3.2 V

1.6 V1.1 V0 V

• DO(Variational follow the display)

25 µs

4.8 V

0 V

4.9 V

3.0 V

4.5 V

13.8 V

4.8 V

4.9 V

4.8 V

5.2 V

5.2 V

4.8 V

4.8 V

0 V

Power on: 4.8 VPower off: 3.0 V

Power on: 4.8 VPower off: 0 V

Power on: 0 VPower off: 4.9 V

• IC101-4pin

30.5 µs

1.5 V

0 V

2.6 V

LEFT SIDE RIGHT SIDE

SECTION 10 VOLTAGE DIAGRAM

11 - 1

10-1 FRONT UNIT

Page 45: IC-R75 service manual

10 - 2

P91TMP-P01X-A1

5V J91

TB

P-P

01X

-A1

R10218

C950.0047

C1010.0047

C1040.0047

L9256 nH

L9368 nH

R9547

C992 P

C978 P

R1003.9 k

R501 k

R511 k

R521 k

R531 k

R110220

DU

LS

LOF

2

VC

OS

C1150.0047

VSS123456789

10111213141516171819202122232425

ETCO0 75

SYSCLKOVSS

100

VD

DD

AT

AC

ON

T_C

LKV

SS

BU

SY

VS

SC

ON

0C

ON

1C

ON

2S

TR

BV

SS

VS

SS

YS

_CLK

VD

DV

SS

BU

N4O

BU

N2O

BU

M2O

VS

SB

UN

4IB

UN

2IB

UM

2IV

SS

2V

SS

VD

D

VD

D3

VS

ST

ES

TO

UT

TE

OU

T H

0T

EO

UT

H1

TE

OU

T H

2T

EO

UT

H3

TE

OU

T H

4V

DD

VD

DV

SS

SY

SR

ES

ET

VD

DV

SS

OS

CI

OS

CF

VD

DV

SS

OS

CD

VS

SP

DIN

RE

FIN

VS

SD

IVO

UT

VD

D

99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76

VSS2VDDDA0DA1DA2DA3DA4DA5VSSVDDDA6DA7DA8DA9DA10DA11VSSTE1TE2TE3VDDVDD

26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

VSS51PD2 52

PD1 53PD054VSS 55

VSS 57VDD 58REFOSC 59RC 60FCK 61VDD 62VSS 63

Q12MA 64Q4MA 65

VSS 66VDD 67ETCO768ETCO6 69ETCO5 70ETCO4 71

ETCO3 72ETCO2 73ETCO1 74

PDTRI56

IC21SC-1246

L2510 µH

R232 k

R242 k

R252 k

R262 k

R272 k

R282 k

R292 k

R302 k

R361 k

R371 k

R381 k

R391 k

R401 k

R411 k

C230.1

C250.1

C260.1

C24100

C320.1

C330.1

C340.1

C350.1

C360.1

C520.0047

C540.0047

C530.0047

R1112.7 k

24 5

3

IC23TC7S04F

123GND

ININ

VCC1

4SW1SW2OUTVCC2

5678

IC22UPB1509GV

R104470

R108100

C73470 P

C7410

C780.0047

C1100.0047

C1110.0047

C1120.0047

C1130.0047R113

220C1140.0047

R109220

L72E544GN-110254

R10747

C1070.0047

W18W19

R75390

L71LW-25

C1080.0047

D91MA77

D92MA77

R9133

R103270

R101270

C1050.0047

C10212 P

C10039 P

Q92DTA114EU

R96100 k

C940.1

C11922

C9639 P

R971 k

R991 k

C9847 P

R981 k

C1036 P

EP8MMZ1608Y102BT

Q1512SC4117 BL

4443424140393837363534

VSS

VD

D11 10 9 8 7 6 5 4 3 2 1

23 24 25 26 27 28 29 30 31 32 33

NU

M2

NU

M1

NU

M0

SY

S_C

LKV

DD

ET

C1

ET

C0

FS

K0

FS

K1

VS

S

DA

9V

DD

RO

MC

ER

ES

ET

VS

SV

DD

PD

M0

PD

M1

PD

M2

Q I

1213141516171819202122

DA0DA1DA2DA3DA4VSSDA5DA6DA7DA8 VSS

ULP1

TREEP2

VDD

VDD

VSSSTRBDATA

CON_CLK

IC151SC-1287

R1532 k

R1542 k

R1552 k

R1562 k

R1572 k

R1582 k

R1592 k

R1641 k

R1651 k

R1661 k

R1671 k

R1681 k

R1691 k

C1510.0047

LOF2

R151470

R152220 k

L15310 µH

R1801 k

R1811 k

PC

KP

DA

TP

ST

2D

RE

S

PC

KP

DA

TP

ST

3D

RE

S

R1831 k

R1821 k

C1640.0047

C1670.1

C16510

3LO

P151TMP-P01X-A1

1LO

R178820

L15112 µH

L15215 µH

R1602 k

R1612 k

R1622 k

R1632 k

R1701 k

R1711 k

R1721 k

C15218 P

C1535 P

C15433 P

C15618 P

C1552 P

C1570.0047 W1

VCOS

R933.9 k

R928.2 k

R94100

C930.0047

R11210 k

Q82DTC114EU

C792P

D72MA77

R226100

D82MA77

C1180.0047

R832.2 k

Q93DTC114EU

C1230.1

Q72DTC114EU

C1220.1

C891.5 P

C32556 P

L20510 µH

L20410 µH

L910.18 µH

Q912SC4405 3

C920.0047

Q812SK508 K52

Q712SK508 K52

D71KV1470

D81KV1470

C7110

C800.0047

C810.0047

C83470 P

C8410

C880.0047

C900.0047

C910.0047

C820.1

C7610 P

C8610 P

C720.1

R86180

R7627

C75120 P

C7710 P

R85820

D931SS373

D941SS373

C120470 P

C1210.1

C12547 P

R11582 k

R8012 k

R11633 k

L9410 µH

R11768

Q972SC4117 BL

C1240.1

L83LW-25

L81LW-25

L73LW-25

R72680 k

R7333

C85470 P

C874 P

L82E544GN-110248

Q212SC4117 BL

R491 k R55

1 k

C300.1

C280.1

C290.1

C310.1

R48220 k

C550.0047

R2210 k

R47470

C5856 P

R712.7 k

R78270

R11418

C12610

C1270.1

R7915 k

C1280.1

L2339 µH

L2439 µH

R312 k

R322 k

R332 k

R342 k

R352 k

R421 k

R431 k

R441 k

R451 k

R461 k

R541 k

C270.1

C500.0047

DRES

L2233 µH

C5668 P

C5747 P

X1CR-275A

R1100

R215 k

L1LW-25

HX2

CR-282

ULD

R34.7 k

C1682 P

C4410 P C37

33 P

C3810 P

C407 P C41

82 P

C422 P C43

56 PC3975 P

L2647 µH

L2747 µH

C59240 P

C60680 P

C133 P

Q12SC4405 3

Q22SC4405 3

R4470

R5220

R6100

R722 k

R21220

C30.0047

C70.0047

C80.0047

C210.0047

C510.1

L2LS-472C

C40.0047

C1015 P

C106100

C1170.1

Q962SC4117 BL

R1156

14 V

5 V

L4LS-471A

L5LS-471A

C1315 P

C120.5 P

C1160.1

R8110 k

EP7MMZ1608Y102BT

Q2012SC4117 BL

VDDVSS

VD

DN

UM

2N

UM

1N

UM

0S

YS

_CLK

VD

DE

TC

1E

TC

0F

SK

0F

SK

1V

SS

DA

9V

DD

RO

MC

ER

ES

ET

VS

SV

DD

PO

M0

PO

M1

PO

M2

Q I

DA0

12

11 10 9 8 7 6 5 4 3 2 1

23 24 25 26 27 28 29 30 31 32 33

13141516171819202122

DA1DA2DA3DA4VSSDA5DA6DA7DA8 VSS

ULP1

TREEP2

VDDVSS

STRBDATA

CON_CLK

IC201SC-1287

R2032 k

R2042 k

R2052 k

R2062 k

R2072 k

R2141 k

R2151 k

R2161 k

R2171 k

C2010.0047

8V

5V

R201470

R202220 k

EP

6M

MZ

1608

Y10

2BT

L20310 µH

R2301 k

R2311 k

R2331 k

R2321 k

C2140.0047

C2170.1

C21510

BFO

J201

TB

P-P

01X

-A1

J151

TB

P-P

01X

-A1

P201TMP-P01X-A1

2LO

J1 TB

P-P

01X

-A1

P1TMP-P01X-A1

R228820

L201330 µH

L202390 µH

R2082 k

R2092 k

R2102 k

R2112 k

R2122 k

R2132 k

R2181 k

R2191 k

R2201 k

R2211 k

R2221 k

C202470 P

C20382 P

C20533 P C206

560 P

C2070.0047

W2

C204820 P

REC REMOTE

REC OUT

J3HSJ0807-01-010

L610 µH

J4HSJ0807-01-010

Q4DTC114EU

D21SS355

C140.0047

RL1AHY103

C110.0047

EP2MMZ1608Y102BT

Q3DTC114EU

D1DAN222

R810 k R9

270

R1047 k

C9220 P

C5120 P

C3260.0047

EP5MMZ1608Y102BT

R2351 k

C3270.0047

L3HF50ACC322513-B

C60.0047

ULD

DULS

14V14V

AAFO

GNDPST3

PDATDRES

PCK

123456789

10111213141516

J252808-1690

C3170.0047

C3190.0047

C3180.0047

C31347 P

C31247 P

C31147 P

C31447 P

C31647 P

C31547 P

C30510

C320470 P

C3210.0047

C3220.0047

C31047 P

EP3MMZ1608Y102BT

EP4MMZ1608Y102BT

C3240.0047

4443424140393837363534

PCO2PST1PST2

UNLCRECS

5VGND

8V

14V14V

AAFO

GNDPST3

PDATDRES

PCKPCO2PST1PST2

PST3

PDATDRES

PCKPCO2PST1PST2

UNLCRECS

5VGND8V

PC

KP

DA

TP

CO

2P

ST

1

R1210

C150.0047

PLL UNIT

MA

IN

4.9 V

4.4 V

3.4 V

2.8 V

0.03-29.99 MHz: 1.6 V30.00-60.00 MHz: 0.4 V

0.03-29.99 MHz: 7.0 V30.00-60.00 MHz: 2.7 V

0.03-29.99 MHz: 1.0 V30.00-60.00 MHz: 1.6 V

0.03-29.99 MHz: 1.6 V30.00-60.00 MHz: 0 V

0.03-29.99 MHz: 3.6 V30.00-60.00 MHz: 7.0 V

0.03-29.99 MHz: 4.8 V30.00-60.00 MHz: 0 V

0.03-29.99 MHz: 0 V30.00-60.00 MHz: 4.8 V

0.03-29.99 MHz: 4.8 V30.00-60.00 MHz: 0 V

0.03-29.99 MHz: 0 V30.00-60.00 MHz: 1.6 V

0.03-29.99 MHz: 0 V30.00-60.00 MHz: 4.1 V

7.6 V

0.5 V

7.5 V

1.9 V

1.5 V

7.3 V

7.1 V

0 V

1.7 V

1.0 V

7.3 V0 V13.6 V

5.0 V

SQL open: 4.4 VSQL close: 0 V

8.0 V

0.5 V

2.9 V

4.9 V

0.5 V

2.9 V

7.4 V

1.3 V

2.0 V

4.9 V

10-2 PLL UNIT

Page 46: IC-R75 service manual

C1372.2

C13612.2

C14110.1

L1411220 µH

R1

R1

C141247

C3840.1

R386100

D382MA77

D372MA77

ESPOISPO

ESPOISPO

Q3812SK2171 4 L384

330 µH

R372100

R371100

C37210 P

C3710.1 L383

LR-171

L381LR-86

L371220 µH

L3821.5 µH

C3860.1

R361470

L362330 µH

L361330 µH

R362470

D381MA77

D371MA77

C3611

POFF

D391MA77

C3810.1

PRE1

14V

Q3822SK2171 4

R381100

C3820.1 C385

0.1

R391100

C3930.1

GNDSETEOUTVCCSETC

INBYPSBYPS

5678

4321

IC391µPC1658G

C3940.1

R392470

C3960.1

R393100

C3950.1 C397

0.1

R39518

R394270

R396270

C3920.1

L391220 µH

R385100

R384100

C3830.1

L385LW-30

R38247

R38347

L392220 µH

D392MA77

C4010.1

L401330 µH

R401470

Q4112SC4673 D

R41410

C4140.001

C4130.1

C4150.1

R41547

L41310 µH

L4120.33 µH

L4210.10 µH

L4220.15 µH

C42318 P

C42518 P

C4226 P

C4241 P

R4124.7 k

R413560C412

100P

PRE2

8V

L4310.10 µH

C43133 P

C43233 P

C43318 P

14V

L4320.15 µH

C43482 P

C43518P

C43656 P

R442560

R443560

C4430.1

C4420.1

R4444.7 k

R44547

L4420.1 µH

Q4412SK1740

Q4422SK1740

R44610 k

C4460.1

L441LR-171

C4448 P

C4454 P

R44747

L44410 µH

C4470.1

C448100P

R448470

R449100

L443LS-483A

L471LS-484B

C4617P

C4622 P

FL-261FI461

C4720.1

C4730.0047

C4740.0047

C47512 P

R4782.2 k

Q4713SK131 MAS

C4760.0047

R47947

R477150

R4762.2 k

R47515 k

R47310

R47247

R471470 k

L462LS-483A R474

4.7 k

C47122P

L461LS-483A

L491LR-317

L492LR-317

AGC

2IF

D491HSB88WS

C49268P

L1736.8 µH

C1740.0033

C173390 P

C1760.1

D172MA77

L184330 µH

L1822.7 µH

L1833.9 µH

C1870.1

C183680 P

C185220P

D182MA77

CP171

R171270

R173270

R17218

R17410

C1751

L171330 µH

L1724.7 µH

C17147 C172

0.0033

L181330 µH

D1811SV265

C1700.1

B0

C1810.1

C1820.001

L201330 µH

L2022.2 µH

C2020.0012

C2010.1

B1

B2

C1880.1

R181100C184

0.0022C1860.0012

L2032.2 µH

C2050.0068

L2054.7 µH

L2043.3 µH

R201100

C203100 P

C2040.0012

D202MA77

C2080.0015

C2090.1

C2070.0015

C2060.0068

L2231.2 µH

L2241.5 µH R221

100

R241100

C2480.1

L2431 µH

C245560 P

C247330P

L2451.8 µHC243

47 PC244180 P

C2460.0027

L2441 µH

D222MA77

D242MA77

C224100P

C225470P

C2260.0022

C229680P

C2300.1

L2251.5 µH

C2270.0047

C2280.001

L2221.8 µH

C2210.1

C2410.1

L2421.2 µH

C242330 P

C222390 P

C223120 P

L221220 µH

L241220 µH

1

243

5

D2211SV265

B3

C2610.1

L2620.39 µH

C262270 P

L2820.33 µH

L261220 µH

L28110 µH

B4

B5

R261100

L2630.56 µH

C265470P

C2660.0012

C26347P

C264150 P

L2640.68 µH

L2830.39 µH

D262MA77

D282MA77

L2651 µH

C2690.1

14V

14V

14V

8V

C267120 P

C268120 P

L2850.47 µH

C286150 P

C287150 P

C2880.0012

C289150 P

C28315 P

R281100

L2840.47 µH

C285100 P

C2900.1

C28415 P

C2810.1

C282180 P

B6

C1610.0027

C1630.0015L161

330 µH

C1620.0068

L1635.6 µH

L1310.1 µH

L1320.15 µH

C13518 P

1

243

5

D1511SV265

R151470

C13233 P

C13318 P

C1511

C1010.1

L101LR-233

12

J101PT-C02P01

R10147 k

R102DSP-201M-S00B

ANT2

RL121MZ-12D-K

C1210.01

J111

TM

P-J

01X

-V6

R11147 k

R112DSP-201M-S00B

C1111ANT1

C13133 P

C13482 P

C13656 P

RL141MZ-12D-K

L151330 µH

Q151DTC114EU

R15210 k

C1520.1

D1411SS302

D1421SS302

R1412.2 k

R142470

R14468

R143330

C1410.01

C1640.1

L1624.7 µH

14V

R8V

ATTC

ANTC

C3090.1

L3050.47 µH

D302MA77

D322MA77

L3260.22 µH

R321100

C33056 P

C3320.01

C33122 P

B7

L30110 µH

L3023.3 µH

L3030.27 µH

C306180P

C308100P

C3010.1

C3028 P

C303180 P

C30427P

C305120P

C3070.0012

L3043.3 µH R301

100

L3220.22 µH

L3230.15 µH

C32268 P

C32339P

L3250.22 µH

C32768 P

C329390 P

C32510 P

C32610 P

C3210.01

1

24

D3011SV265

C328220 P

C32468 P

L32110 µH

C33333 P

L3240.18 µH

R341100

D3411SV263

L3420.12 µH

L3430.15 µH

L3450.15 µH

L34110 µH

C34956P

C350180P

C35147P

C3410.01

C34268 P

C34412P

C34539 P

C3460.01

D342MA77

L3460.12 µH

C3520.01

B8

B9

3

5

IC561TD62783AF

R571 10R572 10

R573 10R574 10

B8B9PRE1PRE2POFFATTCANTC

C5610.1

R575 10R576 10

R577 10R578 10

R587 10R588 10

R589 10R590 10

R591 10R592 10

R593 10

R56447 k

R56547 k

R56647 k

R56747 k

R56847 k

R56947 k

R56347 k

R57047 k

R57947 k

R58047 k

R58347 k

181716151413121110

IN1IN2IN3IN4IN5IN6IN7IN8VS

123456789

4567

123

1514131211

910

B0SB1SB2SB3SB4SB5SB6SB7S

B0SB1SB2SB3SB4SB5SB6SB7S

O1O2O3O4O5O6O7O8

GND

Q1Q2Q3Q4

STR.DCLKOE

Q5Q6Q7Q8

QSQS

C5620.1

181716151413121110

IN1IN2IN3IN4IN5IN6IN7IN8VS

123456789

B8SB9SPR1SPR2SPOFSATTSANTS

O1O2O3O4O5O6O7O8

GND

IC551BU4094BCFV

B8SB9SSTR.1

D2

CLK3

OE15

Q14

Q2 5

Q3 6

Q4 7

Q5 14

Q6 13

Q7 12

Q811

QS 9

QS 10

8

IC562TD62783AF

IC552BU4094BCFV

C5520.1

16

8

C5510.1

16

ANTS

PR1SPR2SPOFSATTS Q472

XP43113

2

1

4

5

6

B0B1B2B3B4B5B6B7

D2611SV265

Q383XP4311

3

2

1

4

5

6

Q391XP4311

3

2

1

4

5

6C3910.1

2I

L1311220 µH

RA

1

58

M

RM

G

R8V14V

8V5V

MCKMDAT

RSTV

R8V14V8V5V

MCKMDATRSTV

2LO

14V

14V8V5V

1LO

8VH5VHVR

GN

D

DC INPUT

J135

1H

EC

0740

-010

010

CIVECIVGNDSPSYSBSYRXSAGRSSQLSRECSBEEPSALIEMTIFMNLSMLAFGVRFGV

J156

152

808-

1690

FR

ON

T(3

)

BATTH5VHVR14VGND8VGND5VAFEAFEISPOISPOESPOESPOAFOAFO

14V14V8VGND5VAAFORECSUNLCGNDPST3PST2PST1PCO2PCKPDATDRES

FR

ON

T(2

)J1

541

5280

8-16

90F

RO

NT

(1)

J152

152

808-

1690

PL

LJ1

501

5280

8-16

90

C15210.0047

PST3PST2PST1PCO2PCKPDATDRESMCKMDATASTBISTBRSTBDSTBDINTDSPSPWRC

16151413121110987654321

16151413121110987654321

16151413121110987654321

16151413121110987654321

J1311JPJ1044-01-010

J1321HSJ0807-01-010

J1522BBH-1

BT1521CR2032

BACKUP BATT.

J411

TM

P-J

01X

-V6

1LO

HV

R

J491

TM

P-J

01X

-V6

2LO

1

243

5

1

243

5

C41139 P

L4110.22 µH 1LO

R41168

MUTE

EXT SP

F1351FGB 3A

D1351DSA3A1

C13520.01

C13510.01

C1353470

R135110

R491270

R493270

R49218

Display frequency0.03-1.59 MHz1.60-1.99 MHz2.00-3.99 MHz4.00-7.99 MHz8.00-10.99 MHz11.00-14.99 MHz15.00-21.99 MHz22.00-29.99 MHz30.00-49.99 MHz50.00-60.00 MHz

At PREAMP 1At PREAMP 2

At PREAMP OffAt ATT OffAt ANT 1

B0S/B0B1S/B1B2S/B2B3S/B3B4S/B4B5S/B5B6S/B6B7S/B7B8S/B8B9S/B9

PR1S/PRE1PR2S/PRE2POFS/POFFATTS/ATTCANTS/ANTC

A condition that select the B*S,B*,PR1S,PR2S,PRE1,PRE2,POFS,POFF,ATTS,ATTC,ANTS,ANTC

12.3 V4.8 V

4.8 V

12.3 V

9.2 V9.6 V PREAMP Off: 9.5 V

1

6.6 V

PREAMP 2: 9.8 V

PREAMP 1: 9.7 V

PREAMP 1: 13.5 V

PREAMP 2: 7.7 V

1.1 V

0 V

3.6 V

13.2 V

13.6 V

1.5 V

12.0 V

0.3 V

13.0 V

PREAMP 1: 10.5 V

PREAMP 1: 1.1 V

PREAMP 2: 9.4 VPREAMP 2: 7.2V

PREAMP 1: 10.0 V

13.8 V

13.8 V

10 - 3

10-3 MAIN UNIT

COMPLETE VIEW

Page 47: IC-R75 service manual

Q8012SC4081 R

R8011 k

C8010.1

R802100

C8110.0047

R8172.7 k

R8162.7 k

R8143.3 k

R813470

R812470

R8153.3 k

R8213.3 k

R8201 k

C8130.1

C8180.1

C8410.0047

R82310

R82210

R825NTCCM16083NH 681KC

R8111.5 k

FI761FL-272D761

MA77D763MA77

D762MA77

D764MA77

R7612.2 k

R763220

R762220

R76510 k

R7642.2 k

C7610.1

C7620.1

C7810.1

C7820.1

2F3K

2FTH

2FOP

8V

L711LS-452

L712LS-452

R7122.2 k

R7112.2 k

C7110.0047

D711MA77

D712MA77

D713MA77

D714MA77

R713220

C7120.0047

C7210.0047

Q7213SK131 MAS

C7220.1

R723470 k

C7230.0047

R725100

C7250.1

C72422 P

L72110 µH

C7260.0047

IC731LA1150N

R7214.7 k

R72227 k

FI701FL-23

L701LS-452

C7012 P

R8V

AGC

L731LS-466

R731100 k

C7310.0047

AGC

R7324.7 k

R734100

R73522 k

C7330.0047

R733100

Q7312SK882 GR

R73610 k

CP731HK3-S-TL732

LS-466

R73747 k

C7340.1

Q7322SA1576 R

C7350.0047

R73847 k

R73947 k

Q7332SC4081 R

R7401 k

R7414.7 k

C7370.1

R742100

C738150P

Q7342SC4081 R

R74347 k

R7444.7 k

C73922

Q7352SC4081 R

R7466.8 k

C7360.0047

L733220 µH

8V

5VR8V

14V

5V

8V 5V

_5V

5V 8V

R7471 k

C74147

D7311SS375

ASTBMDATMCK

R7962.2 k

R7942.2 k

R7954.7 k

C7920.1

Q736DTC114EU

R748470

OPTIONALFILTER

2F3K2FTH2FOP3F3K3F6K3F153FOP

89

10

IC1211CNJM2058M

R8334.7 M

R8344.7 M

R8351.5 M

R8314.7 M

R8324.7 MR836

4.7 k

D8311SS302

C8310.0033

XXXX

YYYY

INHAB

X13

Y3

8 7

IC12013BU4052BCFV

SM

L

5V

MDATBUSY

AFGV

R12721 k

R127147 k C1271

0.0047

C12720.1

X0 12

X1 14

X2 15

13

3

X3 11

Y01

Y15

Y2 2

Y34

INH 6

A 10

B 9

X

YIC1281BU4052BCFV

Q13112SC4081 R

L1291LW-15

1

23

45

IC1291LA4425A

C12940.1

C1295470

C1296470

R1293470

R1252100 k

C125710

C125910

R12584.7 k

R12594.7 k

C125810

VCC2 1

IN+ 2

IN- 3

OUT 4VCAINCTLVCAOUTVCC

AA

FO

SP

ST

MC

K

BEEP

_5V

5V8V14V

H5V

GND 5

109876 NC

IC1251M5282FP

C126010

C126110

R12628.2 k

R12612.2 k

R1260100

R126327 k

R1281100 k

C129210

C12820.01

C12810.01

R1292470

R1253100 k

C1253330 P

C129310

R12544.7 k

R12918.2 k

C12170.1DAFO

AFE

W1241W1242

1234

J1221B4B-PH-SM3-TB

1234

P1241PHR-4

12

R1251100 k

AFEDAFI

R1255470

R125647 k

C12542.2

C12550.01

C12510.1

R125710 k

C12560.1

R121147 k

IC1371PQ30RV31

C13712.2 C1373

0.1

C13740.1

R13714.7 k

D13711SS355

C13720.1

R13744.7 k

C1375470

AF

F

R137247 k

C13761

PWRC

14V

C13612.2

GND 1

TRG 2

OUT 3

RESET 4

8765 VCONT

VTHDISCHARGEVCC

IC1411µPC1555G2

C14110.1

C14130.1

C14150.001

C14160.01

R141210 k

R1413100 k C1417

47

L1411220 µH

R1411100

R1415100

C141422

C141247

C13620.1C13630.1

C13640.1

C136510

IC1361AN78L05M

D14121SS302

C14190.1

C142010

L1412330 µH

D1413MA8051 M

R1414100

R1416100 C1421

0.1C141847

H5V

14V8VH5V

14V8V5V

FUSEHOLDER

F1352S-N5054 #01

F1353S-N5054

R13822.2 k

R138147 k

Q13812SD1664 Q

D13811SS302

C13930.1

C139410

C13810.1

C13820.1

C13920.1

Q1382DTC114EU

C139110

C14030.1

C140410

C14020.1

C140110

C3840.1

R386100

D382MA77

D372MA77

ESPOISPO

L384330 µH

C3850.1

D392MA77

C4010.1

L401330 µH

R401470

R413560

R44747

L44410 µH

C4470.1

C448100P

R448470

R449100

L443LS-483A

L471LS-484BC475

12 P

C4760.0047

R47947

7

L492LR-317

AGC

2IF

D491HSB88WS

C49268P

Q383XP4311

3

2

1

4

5

6

Q391XP4311

3

2

1

4

5

6

2IF

2IF

D8MA

R1

3F3K

3F6K

3F15

3F0P

D8MA

R1

D8MA

R3

D8MA

R3

R84110 k

IC811MC1496D

1 2

3 4

D781MA77

D783MA77

D782MA77

D784MA77

R7812.2 k

R783220

R782220

R78510 k

R7842.2 k

C7710.1

C7720.1

C77315 P

D771MA77

D773MA77

D772MA77

D774MA77

R7712.2 k

R773220

R772220

R77510 k

R7742.2 k

1

3 4

2

R7932.2 k

R7924.7 k

R7912.2 k

C7910.1

3

2

1

4

5

6

Q737XP4311

C7420.1

R74922 k

D7321SS355

R75147

R7501 k

C74022 P

R745100 k

1 2 3 4 5 6 7 8

C7320.0047

16

VC

C

C120.0

76

5

IC1211BNJM2058M

IC1211ANJM2058M

R121339 k

R121239 k

C12110.0015

C12120.0012

R121439 k

C12130.00331

2

311

4

C12150.1

D13111SS355

C13110.01

R13114.7 k

R131233 k

R131447 k

R131315 k

C13120.01

EMTI

16

VC

C

8 7

R140112

4567

123

1514131211

910

AFS1AFS2AFMSAGFSAGSSAGOSNBSNBLS

Q1Q2Q3Q4

STR.DCLKOE

Q5Q6Q7Q8

QSQS

IC1601BU4094BCFV

16

8

C16010.1

ISTBMDATMCK

4567

123

1514131211

910

2S3K2STH2SOP3S3K3S6K3S153SOPSAMS

Q1Q2Q3Q4

STR.DCLKOE

Q5Q6Q7Q8

QSQS

IC1602BU4094BCFV

16

8

C16020.1

IC1603TD62783AF

123456789

IN1IN2IN3IN4IN5IN6IN7IN8VS

O1O2O3O4O5O6O7O8

GND

181716151413121110

C16030.1

AG

C

8V 8V

C142247

1 2 3 4

IG

O

L1311220 µH

L1321HF50ACC322513

C13210.01

ISPO

ESPOAFO

14V

AFF

RXS

R8V

R8V

AGC

14V

14V

5V

5V

8V

8V

AGCR8V14V

5VR8V_5V

8V

MCK

RSTVMDAT

GND

R724150

NBS

NB

LS

UN

LL

C12622.2

R8V14V

8V5V

MCKMDAT

RSTV

HV

R

R121539 k

C1214560 P

C41139 P

L4110.22 µH 1LO

R41168

+SIGAINGAIN-SIBIAS

NC+OUT

+CINC-CINC

-OUTNC

VEE1234567

141312111098

R8191 k

C8140.1

R8182.7 k

C74310

IC1391TA7808FI O

G

IC1401TA7805FI O

G

C12160.1

F1351FGB 3A

D1351DSA3A1

C13520.01

C1353470

R135110

0 V

5.0 V

11.0 V

13.8 V

Power On: 0 VPower Off: 2.4 V

13.6 V 11.8 V

12.8 V

6.6 V

0.6 V

0 V

5.0 V

_5.3 V

8.6 V 8.0 V

8.0 V

0 V (MUTE: 4.4V)

PREAMP 1: 9.7 V

PREAMP 1: 13.5 V

2.7 V

7.8 V

1.8 V

7.7 V

4.8 V

1.3 V

2.8 V3.3 V

1.2 V

7.2 V

0 V

1.0 V

1.0 V

PREAMP 2: 7.7 V

1.1 V

9.4 V

7.6 V 0 V

7.3 V

7.4 V

2.7 V

2.3 V

2.3 V

7.9 V

2.5 V

_5 V

2.8 V

7.7V

1.9 V

7.6 V

1.2 V

0.6 V

1.3 V

0 V

160 µs

10.0 V

0 V0.5 V

4.8 V 6.7 V

13.8 V

8 V

COMPLETE VIEW

Page 48: IC-R75 service manual

L911LS-450

Q9122SC4081 R

R91410 k

R91510 k

C9142.2

L891LS-450 R892

100

C8920.0047

Q8913SK131 MAS

R8932.2 k C893

0.0047

R89422 k

C8940.1

R895330

L1001220 µH

C10100.1

Q8012SC4081 R

R8011 k

C8010.1

R802100

C8110.0047

R8172.7 k

R8162.7 k

R8143.3 k

R813470

R812470

R8153.3 k

R8213.3 k

R8201 k

C8130.1

C8180.1

C8410.0047

R82310

R82210

R825NTCCM16083NH 681KC

R8111.5 k

D763MA77

D764MA77

R76510 k

R7642.2 k

62

82 R7962.2 k

R7942.2 k

R7954.7 k

C7920.1

L

OPTIONALFILTER

89

10

IC1211CNJM2058M

R8334.7 M

R8344.7 M

R8351.5 M

R8314.7 M

R8324.7 MR836

4.7 k

D8311SS302

C8310.0033

Q10012SK882 GR

C10020.0047

C10030.1

C10010.1

R1003150 k

C1004220 P

C1005220 P

R1005220 k

C10060.0047

C100810

12

OSCINOSCOUTMIXOUTVDDIFINBIASFILOUTFILIN AFOUT

QUADINIFOUTSOUTNDETNOUT

VSSMIXIN

IC1001TA31136FN

R1002100

R1007220

R10014.7 k

R1008220 k

FMAF

AGC

8V

C10090.1

C1007100 P

R10061.5 k

X1001CDB450C24

C10610.0047

C10640.1

C106722

R106622 k

R106222 k

R1061100 k

C106310

C1062100 P

D10611SS375

6

5

4

1

2

3

Q1061XP4311

Q10632SC4081 R

R10631 k

R1067330 k

R1201 68 k

5V

_5V8V

5VSAMS

8V

5V

SALI

H5V

_ 5V FM

AF

5V 8V 14V

FMAFSSAF

EAAFSAAF

8V

SQLSAFS1AFS2

R1202 2.2 kX0 12

X1 14

X2 15

X3 11

Y0 1

Y1 5

Y22

Y34

INH6

A10

B9

X13

Y3

8 7

IC12013BU4052BCFV

SM

L

5V

_5V

5V8V14V

H5V

C12170.1DAFO

AFE1234

J1221B4B-PH-SM3-TB

1234

41R-4

R121147 k

R1205 47 kR1204 47 k

C10900.1

C10890.0047

R108447 k

R11011 k

R11031 k

R11043.3 k

R11052.2 k

R10821 k R1102

1.5 k

J108

1T

MP

-J01

X-V

6

R1081220

+SIGAINGAIN-SIBIAS

NC+OUT

+CINC-CINC

-OUTNC

VEE

IC1101MC1496D

BFO

FUSEHOLDER

F1352S-N5054 #01

F1353S-N5054 #01

C20310.001

C20320.001

C20330.001

C20340.001

ENV DETDECODER INREFAGCIF IN

FIL L OUTL NOTCH INFEEDBACKUNFIL LOUTUNFIL ROUTFEEDBACKR NOTCH INFIL R OUT SS OUT 15

Q PILOT 16I PILOT 17PILOT DET IN 18OSC IN 19

OSC FEEDBACK 20STREO LAMP 21

GND 22BLEND 23LOOP FIL 24VCC 25Q OUT 26L-R DET

27I DET 28

1413121110987654321

IC2001MC13022ADW

R200110 k

C20010.001

L2011330 µH

C2011330 P

C201233 P

R201110 k

C20140.1

C20150.01

C201310

R2012100 k

R2002220

AMIF

SAAF

EAAF

SAMS

8V

5V

SALI

GND

C201610

R20221 k

C2024 47

R20213.9K

C20210.001

Q2021DTC114EU

C20420.1

C204110

L2041220 µH

C20350.1

R203147 k

X2021CSA3.60MGF103

C202239 P

C202312 P

C20360.1

R203247 k

R205147 k

C20512.2

J170

1H

SJ0

807-

01-0

10

R17716.8 k

R177233 k

R177415 k

CIVE

CIV

Q17722SC4081 R

D17711SS355

R177347 k

L1771220 µH H5V

C175210C175310

C175410

C1+V+C1-C2+C2-V-T2OR2I

VCCGNDT1OR1I

R1OT1IT2I

R2O

12345678

161514131210119

594837261

IC1751DS14C232TM

SS

CIV

CIVE

IC1771ATC7W04F

Q17712SA1576 R

C17710.1 IC1771C

TC7W04FIC1771BTC7W04F

1 3 5

2 6

C912220 P

Q9112SK882 GR

C9110.1

R911100

R9122.2 k

L892LS-450

C89522 P

C8960.1

R897100

C8970.0047

R8963.3 k

R89810 k

R89110 k

C8910.1

R1064680 k

C10662.2

_5V

C106510

R10654.7 k

3

2

1

4

5

6

Q1064XP4311

3

2

1

4

5

6

Q1065XP4311

R106810 k

AG

RS

AG

FS

AG

SS

AGOS

3

2

1

4

5

6

Q1066XP4311

C10850.0047

1234567

141312111098 R1109

1 k R11102.2 k

C11030.1

R111110

R11071.5 k

R110610

C11010.1

C11020.1

R11081 k

Q10312SC4081 R

R1031220

R1032220 k

R10331 k

C10310.1

C15020.0047

C105110

R10512.7 k

R10524.7 k

D10511SS375

R1053470

Q10512SC4081 R

RF

GV

8V

12345678

161514131211109

C10210.12

C10220.01

C10230.01

R102239 k

R102368 k

C10240.1R1024

47 k

1413

IC1211DNJM2058M

R102110 k

R10043.3 k

C8520.1

R85510 k

R85410 k

FI851FL-65D851

MA77D852MA77

C8510.1

R852220

R85110 k

3F3K

3F6K

3F15

3F0P

I O

C8620.1

R86510 k

R86410 k

FI86FL-65D861

MA77D862MA77

C8610.1

R862220

R86110 k

I O

C8720.1

R87510 k

R8743.9 k

FI871FL-65D871

MA77D872MA77

C8710.1

R872220

R8713.9 k

I O

C8820.1

R88510 k

R8843.9 k

D881MA77

D882MA77

C8810.1

R882220

R8813.9 k

R84110 k

12

4 3

IC811MC1496D

D783MA77

D784MA77

R78510 k

R7842.2 k

72

D773MA77

D774MA77

R77510 k

R7742.2 k

16

VC

C

C12020.01

C12010.01

76

5

IC1211BNJM2058M

IC1211ANJM2058M

R121339 k

R121239 k

C12110.0015

C12120.0012

R121439 k

C12130.00331

2

311

4

C12150.1

C10810.0047

9MH

z F

ILT

ER

SO

CK

ET

455k

Hz

FIL

TE

R S

OC

KE

T

J781

PD

-72

J782

PD

-72

J783

PD

-72

J784

PD

-72

J881

PD

-72

J882

PD

-72

J883

PD

-72

J884

PD

-72

AG

C

8V 8V

AGCR8V14V

5V8V

AGC

R8V5V

FM

NL

78

4

J811

TM

P-J

01X

-V6

3LO

R824220

C8160.0047

CP1761 CP1762

DRESDINTDSTBMDATMCK5VDSPS

R1231 470R1232 470

R1233 470

R1235 470R1234 470

R1236 470

DRSRDITRDSTMDTRMCKR5VDSSRGNDGNDGND

C12310.0047

J123

152

808-

1090

OPTIONALUNITUT-106

OPTIONALUNITUT-102

12345678910

MDATBUSY5VGND

J127

152

365-

0891

SPSTMCKSPCESPCH

1357

2468

J175

1R

S-2

32C

R853220

R863220

R873220

R883220

R121539 k

C1214560 P

R913100

C9130.1

+SIGAINGAIN-SIBIAS

NC+OUT

+CINC-CINC

-OUTNC

VEE1234567

141312111098

R8191 k

C8140.1

R8182.7 k

C12160.1

C175110

C175510

C17560.1

CI-V

S-AM:

Other: 0 V

278 µs

2.8 V

0 V

1.3 V

S-AM: 0 VOther: 4.8 V

At receved: 4.5 VOther: 0.1 V

5.0 V

4.5 V

0 V

0 V

0 V

7.6 V

2.3 V

7.9 V

2.5 V

_5 V

7.4 V

1.5 V

0 V

2.6 V

7.5 V

7.5 V0 V

*4.8 V *3.0 V

*2.6 V

_5.0 V

7.9 V

7.1 V

3.4 V

4.0 V

0 V2.8 V

0.4 V

2.7 V

7.7V

1.9 V

0.6 V

* RF GAIN: MAX

_10.0 V 0 V

COMPLETE VIEW

Page 49: IC-R75 service manual

L911LS-450

Q9122SC4081 R

R91410 k

R91510 k

C9142.2

L891LS-450 R892

100

C8920.0047

Q8913SK131 MAS

R8932.2 k C893

0.0047

R89422 k

C8940.1

R895330

L1001220 µH

C10100.1

Q8012SC4081 R

R8011 k

C8010.1

R802100

C8110.0047

R8172.7 k

R8162.7 k

R8143.3 k

R813470

R812470

R8153.3 k

R8213.3 k

R8201 k

C8130.1

C8180.1

C8410.0047

R82310

R82210

R825NTCCM16083NH 681KC

R8111.5 k

FI761FL-272D761

MA77D763MA77

D762MA77

D764MA77

R7612.2 k

R763220

R762220

R76510 k

R7642.2 k

C7610.1

C7620.1

C7810.1

C7820.1

2F3K

2FTH

2FOP

8V

L711LS-452

L712LS-452

R7122.2 k

R7112.2 k

C7110.0047

D711MA77

D712MA77

D713MA77

D714MA77

R713220

C7120.0047

C7210.0047

Q7213SK131 MAS

C7220.1

R723470 k

C7230.0047

R725100

C7250.1

C72422 P

L72110 µH

C7260.0047

IC731LA1150N

R7214.7 k

R72227 k

FI701FL-23

L701LS-452

C7012 P

R8V

AGC

L731LS-466

R731100 k

C7310.0047

AGC

R7324.7 k

R734100

R73522 k

C7330.0047

R733100

Q7312SK882 GR

R73610 k

CP731HK3-S-TL732

LS-466

R73747 k

C7340.1

Q7322SA1576 R

C7350.0047

R73847 k

R73947 k

Q7332SC4081 R

R7401 k

R7414.7 k

C7370.1

R742100

C738150P

Q7342SC4081 R

R74347 k

R7444.7 k

C73922

Q7352SC4081 R

R7466.8 k

C7360.0047

L733220 µH

8V

5V

R8V

14V

5V

8V 5V

_5V

5V 8V

R7471 k

C74147

D7311SS375

ASTBMDATMCK

R7962.2 k

R7942.2 k

R7954.7 k

C7920.1

Q736DTC114EU

R748470

OPTIONALFILTER

OPTIONALFILTER

2F3K2FTH2FOP3F3K3F6K3F153FOP

89

10

IC1211CNJM2058M

R8334.7 M

R8344.7 M

R8351.5 M

R8314.7 M

R8324.7 MR836

4.7 k

D8311SS302

C8310.0033

Q10012SK882 GR

C10020.0047

C10030.1

C10010.1

R1003150 k

C1004220 P

C1005220 P

R1005220 k

C10060.0047

C100810

12

OSCINOSCOUTMIXOUTVDDIFINBIASFILOUTFILIN AFOUT

QUADINIFOUTSOUTNDETNOUT

VSSMIXIN

IC1001TA31136FN

R1002100

R1007220

R10014.7 k

R1008220 k

FMAF

AGC

8V

C10090.1

C1007100 P

R10061.5 k

X1001CDB450C24

C10610.0047

C10640.1

C106722

R106622 k

R106222 k

R1061100 k

C106310

C1062100 P

D10611SS375

6

5

4

1

2

3

Q1061XP4311

Q10632SC4081 R

R10631 k

R1067330 k

R1201 68 k

5V

_5V8V

5VSAMS

8V

5V

SALI

H5V

_ 5V FM

AF

5V 8V 14V

FMAFSSAF

EAAFSAAF

8V

SQLSAFS1AFS2

R1202 2.2 kX0 12

X1 14

X2 15

X3 11

Y0 1

Y1 5

Y22

Y34

INH6

A10

B9

X13

Y3

8 7

IC12013BU4052BCFV

SM

L

5V

MDATBUSY

AFGV

R12721 k

R127147 k C1271

0.0047

C12720.1

X0 12

X1 14

X2 15

13

3

X3 11

Y01

Y15

Y2 2

Y34

INH 6

A 10

B 9

X

YIC1281BU4052BCFV

Q13112SC4081 R

L1291LW-15

1

23

45

IC1291LA4425A

C12940.1

C1295470

C1296470

R1293470

R1252100 k

C125710

C125910

R12584.7 k

R12594.7 k

C125810

VCC2 1

IN+ 2

IN- 3

OUT 4VCAINCTLVCAOUTVCC

AA

FO

SP

ST

MC

K

BEEP

_5V

5V8V14V

H5V

GND 5

109876 NC

IC1251M5282FP

C126010

C126110

R12628.2 k

R12612.2 k

R1260100

R126327 k

R1281100 k

C129210

C12820.01

C12810.01

R1292470

R1253100 k

C1253330 P

C129310

R12544.7 k

R12918.2 k

C12170.1DAFO

AFE

W1241W1242

1234

J1221B4B-PH-SM3-TB

1234

P1241PHR-4

12

R1251100 k

AFEDAFI

R1255470

R125647 k

C12542.2

C12550.01

C12510.1

R125710 k

C12560.1

R121147 k

R1205 47 kR1204 47 k

C10900.1

C10890.0047

R108447 k

R11011 k

R11031 k

R11043.3 k

R11052.2 k

R10821 k R1102

1.5 k

J108

1T

MP

-J01

X-V

6

R1081220

+SIGAINGAIN-SIBIAS

NC+OUT

+CINC-CINC

-OUTNC

VEE

IC1101MC1496D

BFO

IC1371PQ30RV31

C13712.2 C1373

0.1

C13740.1

R13714.7 k

D13711SS355

C13720.1

R13744.7 k

C1375470

AF

F

R137247 k

C13761

PWRC

14V

C13612.2

GND 1

TRG 2

OUT 3

RESET 4

8765 VCONT

VTHDISCHARGEVCC

IC1411µPC1555G2

C14110.1

C14130.1

C14150.001

C14160.01

R141210 k

R1413100 k C1417

47

L1411220 µH

R1411100

R1415100

C141422

C141247

C13620.1C13630.1

C13640.1

C136510

IC1361AN78L05M

D14121SS302

C14190.1

C142010

L1412330 µH

D1413MA8051 M

R1414100

R1416100 C1421

0.1C141847

H5V

14V8VH5V

14V8V5V

FUSEHOLDER

F1352S-N5054 #01

F1353S-N5054 #01

C20310.001

C20320.001

C20330.001

C20340.001

ENV DETDECODER INREFAGCIF IN

FIL L OUTL NOTCH INFEEDBACKUNFIL LOUTUNFIL ROUTFEEDBACKR NOTCH INFIL R OUT SS OUT 15

Q PILOT 16I PILOT 17PILOT DET IN 18OSC IN 19

OSC FEEDBACK 20STREO LAMP 21

GND 22BLEND 23LOOP FIL 24VCC 25Q OUT 26L-R DET

27I DET 28

1413121110987654321

IC2001MC13022ADW

R200110 k

C20010.001

L2011330 µH

C2011330 P

C201233 P

R201110 k

C20140.1

C20150.01

C201310

R2012100 k

R2002220

AMIF

SAAF

EAAF

SAMS

8V

5V

SALI

GND

C201610

R20221 k

C2024 47

R20213.9K

C20210.001

Q2021DTC114EU

C20420.1

C204110

L2041220 µH

C20350.1

R203147 k

X2021CSA3.60MGF103

C202239 P

C202312 P

C20360.1

R203247 k

R205147 k

C20512.2

R13822.2 k

R138147 k

Q13812SD1664 Q

D13811SS302

C13930.1

C139410

C13810.1

C13820.1

C13920.1

Q1382DTC114EU

C139110

C14030.1

C140410

C14020.1

C140110

C3840.1

R386100

D382MA77

D372MA77

ESPOISPO

ESPOISPO

Q3812SK2171 4 L384

330 µH

R372100

R371100

C37210 P

C3710.1 L383

LR-171

L381LR-86

L371220 µH

L3821.5 µH

C3860.1

R361470

L362330 µH

L361330 µH

R362470

D381MA77

D371MA77

C3611

POFF

D391MA77

C3810.1

PRE1

14V

Q3822SK2171 4

R381100

C3820.1 C385

0.1

R391100

C3930.1

GNDSETEOUTVCCSETC

INBYPSBYPS

5678

4321

IC391µPC1658G

C3940.1

R392470

C3960.1

R393100

C3950.1 C397

0.1

R39518

R394270

R396270

C3920.1

L391220 µH

R385100

R384100

C3830.1

L385LW-30

R38247

R38347

L392220 µH

D392MA77

C4010.1

L401330 µH

R401470

Q4112SC4673 D

R41410

C4140.001

C4130.1

C4150.1

R41547

L41310 µH

L4120.33 µH

L4210.10 µH

L4220.15 µH

C42318 P

C42518 P

C4226 P

C4241 P

R4124.7 k

R413560C412

100P

PRE2

8V

L4310.10 µH

C43133 P

C43233 P

C43318 P

14V

L4320.15 µH

C43482 P

C43518P

C43656 P

R442560

R443560

C4430.1

C4420.1

R4444.7 k

R44547

L4420.1 µH

Q4412SK1740

Q4422SK1740

R44610 k

C4460.1

L441LR-171

C4448 P

C4454 P

R44747

L44410 µH

C4470.1

C448100P

R448470

R449100

L443LS-483A

L471LS-484B

C4617P

C4622 P

FL-261FI461

C4720.1

C4730.0047

C4740.0047

C47512 P

R4782.2 k

Q4713SK131 MAS

C4760.0047

R47947

R477150

R4762.2 k

R47515 k

R47310

R47247

R471470 k

L462LS-483A R474

4.7 k

C47122P

L461LS-483A

L491LR-317

L492LR-317

AGC

2IF

D491HSB88WS

C49268P

L1736.8 µH

C1740.0033

C173390 P

C1760.1

D172MA77

L184330 µH

L1822.7 µH

L1833.9 µH

C1870.1

C183680 P

C185220P

D182MA77

CP171

R171270

R173270

R17218

R17410

C1751

L171330 µH

L1724.7 µH

C17147 C172

0.0033

L181330 µH

D1811SV265

C1700.1

B0

C1810.1

C1820.001

L201330 µH

L2022.2 µH

C2020.0012

C2010.1

B1

B2

C1880.1

R181100C184

0.0022C1860.0012

L2032.2 µH

C2050.0068

L2054.7 µH

L2043.3 µH

R201100

C203100 P

C2040.0012

D202MA77

C2080.0015

C2090.1

C2070.0015

C2060.0068

L2231.2 µH

L2241.5 µH R221

100

R241100

C2480.1

L2431 µH

C245560 P

C247330P

L2451.8 µHC243

47 PC244180 P

C2460.0027

L2441 µH

D222MA77

D242MA77

C224100P

C225470P

C2260.0022

C229680P

C2300.1

L2251.5 µH

C2270.0047

C2280.001

L2221.8 µH

C2210.1

C2410.1

L2421.2 µH

C242330 P

C222390 P

C223120 P

L221220 µH

L241220 µH

1

243

5

D2211SV265

B3

C2610.1

L2620.39 µH

C262270 P

L2820.33 µH

L261220 µH

L28110 µH

B4

B5

R261100

L2630.56 µH

C265470P

C2660.0012

C26347P

C264150 P

L2640.68 µH

L2830.39 µH

D262MA77

D282MA77

L2651 µH

C2690.1

14V

14V

14V

8V

C267120 P

C268120 P

L2850.47 µH

C286150 P

C287150 P

C2880.0012

C289150 P

C28315 P

R281100

L2840.47 µH

C285100 P

C2900.1

C28415 P

C2810.1

C282180 P

B6

C1610.0027

C1630.0015L161

330 µH

C1620.0068

L1635.6 µH

L1310.1 µH

L1320.15 µH

C13518 P

1

243

5

D1511SV265

R151470

C13233 P

C13318 P

C1511

C1010.1

L101LR-233

12

J101PT-C02P01

R10147 k

R102DSP-201M-S00B

ANT2

RL121MZ-12D-K

C1210.01

J111

TM

P-J

01X

-V6

R11147 k

R112DSP-201M-S00B

C1111ANT1

C13133 P

C13482 P

C13656 P

RL141MZ-12D-K

L151330 µH

Q151DTC114EU

R15210 k

C1520.1

D1411SS302

D1421SS302

R1412.2 k

R142470

R14468

R143330

C1410.01

C1640.1

L1624.7 µH

14V

R8V

ATTC

ANTC

C3090.1

L3050.47 µH

D302MA77

D322MA77

L3260.22 µH

R321100

C33056 P

C3320.01

C33122 P

B7

L30110 µH

L3023.3 µH

L3030.27 µH

C306180P

C308100P

C3010.1

C3028 P

C303180 P

C30427P

C305120P

C3070.0012

L3043.3 µH R301

100

L3220.22 µH

L3230.15 µH

C32268 P

C32339P

L3250.22 µH

C32768 P

C329390 P

C32510 P

C32610 P

C3210.01

1

24

D3011SV265

C328220 P

C32468 P

L32110 µH

C33333 P

L3240.18 µH

R341100

D3411SV263

L3420.12 µH

L3430.15 µH

L3450.15 µH

L34110 µH

C34956P

C350180P

C35147P

C3410.01

C34268 P

C34412P

C34539 P

C3460.01

D342MA77

L3460.12 µH

C3520.01

B8

B9

J170

1H

SJ0

807-

01-0

10

R17716.8 k

R177233 k

R177415 k

CIVE

CIV

Q17722SC4081 R

D17711SS355

R177347 k

L1771220 µH H5V

C175210C175310

C175410

C1+V+C1-C2+C2-V-T2OR2I

VCCGNDT1OR1I

R1OT1IT2I

R2O

12345678

161514131210119

594837261

IC1751DS14C232TM

3

5

IC561TD62783AF

R571 10R572 10

R573 10R574 10

B8B9PRE1PRE2POFFATTCANTC

C5610.1

R575 10R576 10

R577 10R578 10

R587 10R588 10

R589 10R590 10

R591 10R592 10

R593 10

R56447 k

R56547 k

R56647 k

R56747 k

R56847 k

R56947 k

R56347 k

R57047 k

R57947 k

R58047 k

R58347 k

181716151413121110

IN1IN2IN3IN4IN5IN6IN7IN8VS

123456789

4567

123

1514131211

910

B0SB1SB2SB3SB4SB5SB6SB7S

B0SB1SB2SB3SB4SB5SB6SB7S

O1O2O3O4O5O6O7O8

GND

Q1Q2Q3Q4

STR.DCLKOE

Q5Q6Q7Q8

QSQS

C5620.1

181716151413121110

IN1IN2IN3IN4IN5IN6IN7IN8VS

123456789

B8SB9SPR1SPR2SPOFSATTSANTS

O1O2O3O4O5O6O7O8

GND

IC551BU4094BCFV

B8SB9SSTR.1

D2

CLK3

OE15

Q14

Q2 5

Q3 6

Q4 7

Q5 14

Q6 13

Q7 12

Q811

QS 9

QS 10

8

IC562TD62783AF

IC552BU4094BCFV

C5520.1

16

8

C5510.1

16

ANTS

PR1SPR2SPOFSATTS Q472

XP43113

2

1

4

5

6

SS

CIV

CIVE

IC1771ATC7W04F

Q17712SA1576 R

C17710.1 IC1771C

TC7W04FIC1771BTC7W04F

1 3 5

2 6

B0B1B2B3B4B5B6B7

D2611SV265

Q383XP4311

3

2

1

4

5

6

Q391XP4311

3

2

1

4

5

6C3910.1

2IF

2IF

C912220 P

Q9112SK882 GR

C9110.1

R911100

R9122.2 k

L892LS-450

C89522 P

C8960.1

R897100

C8970.0047

R8963.3 k

R89810 k

R89110 k

C8910.1

R1064680 k

C10662.2

_5V

C106510

R10654.7 k

3

2

1

4

5

6

Q1064XP4311

3

2

1

4

5

6

Q1065XP4311

R106810 k

AG

RS

AG

FS

AG

SS

AGOS

3

2

1

4

5

6

Q1066XP4311

C10850.0047

1234567

141312111098 R1109

1 k R11102.2 k

C11030.1

R111110

R11071.5 k

R110610

C11010.1

C11020.1

R11081 k

Q10312SC4081 R

R1031220

R1032220 k

R10331 k

C10310.1

C15020.0047

C105110

R10512.7 k

R10524.7 k

D10511SS375

R1053470

Q10512SC4081 R

RF

GV

8V

12345678

161514131211109

C10210.12

C10220.01

C10230.01

R102239 k

R102368 k

C10240.1R1024

47 k

1413

IC1211DNJM2058M

R102110 k

R10043.3 k

C8520.1

R85510 k

R85410 k

FI851FL-65D851

MA77D852MA77

C8510.1

R852220

R85110 k

3F3K

3F6K

3F15

3F0P

I O

C8620.1

R86510 k

R86410 k

FI86FL-65D861

MA77D862MA77

C8610.1

R862220

R86110 k

I O

C8720.1

R87510 k

R8743.9 k

FI871FL-65D871

MA77D872MA77

C8710.1

R872220

R8713.9 k

I O

C8820.1

R88510 k

R8843.9 k

D881MA77

D882MA77

C8810.1

R882220

R8813.9 k

R84110 k

12

4 3

IC811MC1496D

1 2

3 4

D781MA77

D783MA77

D782MA77

D784MA77

R7812.2 k

R783220

R782220

R78510 k

R7842.2 k

C7710.1

C7720.1

C77315 P

D771MA77

D773MA77

D772MA77

D774MA77

R7712.2 k

R773220

R772220

R77510 k

R7742.2 k

1

3 4

2

R7932.2 k

R7924.7 k

R7912.2 k

C7910.1

3

2

1

4

5

6

Q737XP4311

C7420.1

R74922 k

D7321SS355

R75147

R7501 k

C74022 P

R745100 k

1 2 3 4 5 6 7 8

C7320.0047

16

VC

C

C12020.01

C12010.01

76

5

IC1211BNJM2058M

IC1211ANJM2058M

R121339 k

R121239 k

C12110.0015

C12120.0012

R121439 k

C12130.00331

2

311

4

C12150.1

D13111SS355

C13110.01

R13114.7 k

R131233 k

R131447 k

R131315 k

C13120.01

EMTI

16

VC

C

8 7

R140112

4567

123

1514131211

910

AFS1AFS2AFMSAGFSAGSSAGOSNBSNBLS

Q1Q2Q3Q4

STR.DCLKOE

Q5Q6Q7Q8

QSQS

IC1601BU4094BCFV

16

8

C16010.1

ISTBMDATMCK

4567

123

1514131211

910

2S3K2STH2SOP3S3K3S6K3S153SOPSAMS

Q1Q2Q3Q4

STR.DCLKOE

Q5Q6Q7Q8

QSQS

IC1602BU4094BCFV

16

8

C16020.1

IC1603TD62783AF

123456789

IN1IN2IN3IN4IN5IN6IN7IN8VS

O1O2O3O4O5O6O7O8

GND

181716151413121110

C16030.1

C10810.0047

9MH

z F

ILT

ER

SO

CK

ET

455k

Hz

FIL

TE

R S

OC

KE

T

J781

PD

-72

J782

PD

-72

J783

PD

-72

J784

PD

-72

J881

PD

-72

J882

PD

-72

J883

PD

-72

J884

PD

-72

AG

C

8V 8V

C142247

1 2 3 4

IG

O

L1311220 µH

L1321HF50ACC322513

C13210.01

ISPO

ESPOAFO

14V

AFF

RXS

R8V

R8V

AGC

14V

14V

5V

5V

8V

8V

AGCR8V14V

5VR8V_5V

8V

AGCR8V14V

5V8V

MCK

RSTVMDAT

GND

R724150

NBS

NB

LS

UN

LL

AGC

R8V5V

FM

NL

78

4

C12622.2

R8V14V

8V5V

MCKMDAT

RSTV

R8V14V8V5V

MCKMDATRSTV

2LO

14V

14V8V5V

1LO

8VH5VHVR

GN

D

J811

TM

P-J

01X

-V6

3LO

R824220

C8160.0047

DC INPUT

J135

1H

EC

0740

-010

010

CIVECIVGNDSPSYSBSYRXSAGRSSQLSRECSBEEPSALIEMTIFMNLSMLAFGVRFGV

J156

152

808-

1690

FR

ON

T(3

)

BATTH5VHVR14VGND8VGND5VAFEAFEISPOISPOESPOESPOAFOAFO

14V14V8VGND5VAAFORECSUNLCGNDPST3PST2PST1PCO2PCKPDATDRES

FR

ON

T(2

)J1

541

5280

8-16

90F

RO

NT

(1)

J152

152

808-

1690

PL

LJ1

501

5280

8-16

90

C15210.0047

PST3PST2PST1PCO2PCKPDATDRESMCKMDATASTBISTBRSTBDSTBDINTDSPSPWRC

16151413121110987654321

16151413121110987654321

16151413121110987654321

16151413121110987654321

J1311JPJ1044-01-010

J1321HSJ0807-01-010

J1522BBH-1

BT1521CR2032

BACKUP BATT.

J411

TM

P-J

01X

-V6

1LO

HV

R

CP1761 CP1762

DRESDINTDSTBMDATMCK5VDSPS

R1231 470R1232 470

R1233 470

R1235 470R1234 470

R1236 470

DRSRDITRDSTMDTRMCKR5VDSSRGNDGNDGND

C12310.0047

J123

152

808-

1090

OPTIONALUNITUT-106

OPTIONALUNITUT-102

12345678910

MDATBUSY5VGND

J127

152

365-

0891

SPSTMCKSPCESPCH

1357

2468

J491

TM

P-J

01X

-V6

2LO

J175

1R

S-2

32C

1

243

5

1

243

5

R853220

R863220

R873220

R883220

R121539 k

C1214560 P

C41139 P

L4110.22 µH 1LO

R41168

R913100

C9130.1

+SIGAINGAIN-SIBIAS

NC+OUT

+CINC-CINC

-OUTNC

VEE1234567

141312111098

R8191 k

C8140.1

R8182.7 k

C74310

IC1391TA7808FI O

G

IC1401TA7805FI O

G

C12160.1

MUTE

EXT SP

F1351FGB 3A

D1351DSA3A1

C13520.01

C13510.01

C1353470

R135110

R491270

R493270

R49218

C175110

C175510

C17560.1

CI-V

S-AM:

Other: 0 V

278 µs

2.8 V

0 V

1.3 V

S-AM: 0 VOther: 4.8 V

At receved: 4.5 VOther: 0.1 V

5.0 V

4.5 V

0 V

0 V

0 V

7.6 V

Display frequency0.03-1.59 MHz1.60-1.99 MHz2.00-3.99 MHz4.00-7.99 MHz8.00-10.99 MHz11.00-14.99 MHz15.00-21.99 MHz22.00-29.99 MHz30.00-49.99 MHz50.00-60.00 MHz

At PREAMP 1At PREAMP 2

At PREAMP OffAt ATT OffAt ANT 1

B0S/B0B1S/B1B2S/B2B3S/B3B4S/B4B5S/B5B6S/B6B7S/B7B8S/B8B9S/B9

PR1S/PRE1PR2S/PRE2POFS/POFFATTS/ATTCANTS/ANTC

A condition that select the B*S,B*,PR1S,PR2S,PRE1,PRE2,POFS,POFF,ATTS,ATTC,ANTS,ANTC

12.3 V4.8 V

4.8 V

12.3 V

9.2 V9.6 V PREAMP Off: 9.5 V

5.0 V

11.0 V

13.8 V

Power On: 0 VPower Off: 2.4 V

13.6 V 11.8 V

12.8 V

6.6 V

0.6 V

0 V

5.0 V

_5.3 V

8.6 V 8.0 V

8.0 V

0 V (MUTE: 4.4V)

PREAMP 2: 9.8 V

PREAMP 1: 9.7 V

PREAMP 1: 13.5 V

2.7 V

7.8 V

1.8 V

7.7 V

4.8 V

1.3 V

2.8 V3.3 V

1.2 V

7.2 V

0 V

1.0 V

1.0 V

PREAMP 2: 7.7 V

1.1 V

0 V

3.6 V

13.2 V

13.6 V

1.5 V

12.0 V

0.3 V

13.0 V

PREAMP 1: 10.5 V

PREAMP 1: 1.1 V

PREAMP 2: 9.4 VPREAMP 2: 7.2V

PREAMP 1: 10.0 V

7.6 V 0 V

7.3 V

7.4 V

2.7 V

2.3 V

2.3 V

7.9 V

2.5 V

_5 V

7.4 V

1.5 V

0 V

2.6 V

7.5 V

7.5 V0 V

*4.8 V *3.0 V

*2.6 V

_5.0 V

7.9 V

7.1 V

3.4 V

4.0 V

0 V2.8 V

0.4 V

2.7 V

7.7V

1.9 V

7.6 V

1.2 V

0.6 V

1.3 V

0 V

* RF GAIN: MAX

160 µs

10.0 V

0 V0.5 V

4.8 V 6.7 V

13.8 V

_10.0 V 0 V

13.8 V

LEFT SIDE RIGHT SIDECENTER10 - 3

10-3 MAIN UNIT

Page 50: IC-R75 service manual

6-9-16, Kamihigashi, Hirano-ku, Osaka 547-0002, JapanPhone : 06 6793 5302Fax : 06 6793 0013

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Page 51: IC-R75 service manual

6-9-16, Kamihigashi, Hirano-ku, Osaka, 547-0002, JapanA-5580I-S

© 1999 by Icom Inc.