MDS-JE770

SPECIFICATIONS

SERVICE MANUAL

MINIDISC DECK

Model Name Using Similar Mechanism MDS-S50

MD Mechanism Type MDM-7A

Optical Pick-up Type KMS-260B/260E

AEP ModelUK Model

E Model

Foreign patents licensed form Dolby LaboratoriesLicensing Corporation.

— Continued on next page —

Ver 1.0 2001. 05

9-873-890-112001E0200-1

© 2001.5

Sony CorporationHome Audio Company

Shinagawa Tec Service Manual Production Group

System MiniDisc digital audio system

Disc MiniDiscLaser Semiconductor laser

( = 780 nm) Emission duration: continuous

Laser output MAX 44.6 µW1)

1) This output is the value measured at a distance of 200 mm from the objective lens surface on the Optical Pick-up Block with 7 mm aperture.

Laser diode Material: GaAlAsRevolutions (CLV) 400 rpm to 900 rpm Error correction ACIRC (Advanced Cross

Interleave Reed Solomon Code)

Sampling frequency 44.1 kHzCoding ATRAC (Adaptive

TRansform Acoustic Coding)/ATRAC 3

Modulation system EFM (Eight-to-Fourteen Modulation)

Number of channels 2 stereo channelsFrequency response 5 to 20,000 Hz ±0.3 dBSignal-to-noise ratio Over 98 dB during playWow and flutter Below measurable limit

Inputs

ANALOG IN Jack type: phonoImpedance: 47 kilohmsRated input: 500 mVrms Minimum input: 125 mVrms

DIGITAL OPTICAL IN Connector type: square opticalImpedance: 660 nm (optical wave length)

DIGITAL COAXIAL IN (European model only)Jack type: phonoImpedance: 75 ohmsRated input: 0.5 Vp-p, ±20 %

Outputs

PHONES Jack type: stereo phoneRated output: 28 mWLoad impedance: 32 ohms

ANALOG OUT Jack type: phonoRated output: 2 Vrms (at 50 kilohms)Load impedance: over 10 kilohms

DIGITAL OPTICAL OUT Connector type: square opticalRated output: –18 dBmLoad impedance: 660 nm (optical wave length)

λ

2

MDS-JE770

SELF-DIAGNOSIS FUNCTIONThe self-diagnosis function consists of error codes for customers which are displayed automatically when errors occur, and error codes whichshow the error history in the test mode during servicing. For details on how to view error codes for the customer, refer to the following boxin the instruction manual. For details on how to check error codes during servicing, refer to the following “Procedure for using the Self-Diagnosis Function (Error History Display Mode)”.

Procedure for using the Self-Diagnosis Function (Error History Display Mode).Note: Perform the self-diagnosis function in the “error history display mode” in the test mode. The following describes the least required

procedure. Be careful not to enter other modes by mistake. If you set other modes accidentally, press the MENU/NO button to exitthe mode.

Self-diagnosis function

The deck’s self-diagnosis function automatically checks the condition of the MD deck when an error occurs, then issues a three- or five-digit code and an error message on the display. If the code and message alternate, find them in the following table and perform the indicated countermeasure. Should the problem persist, consult your nearest Sony dealer.

Three- or five-digit code/Message

Cause/Remedy

C11/ProtectedThe inserted MD is record-protected., Take out the MD and close the record-

protect slot.

C12/Cannot Copy

You tried to record a CD with a format that the external device connected to the deck does not support, such as CD-ROM or video CD., Remove the disc and insert a music

CD.

C13/REC Error

The recording was not made properly., Set the deck in a stable surface, and

repeat the recording procedure.

The inserted MD is dirty (with smudges, fingerprints, etc.), scratched, or substandard in quality., Replace the disc and repeat the

recording procedure.

C13/Read ErrorThe deck could not read the TOC on the MD properly., Take out the MD and insert it again.

C14/Toc Error

The deck could not read the TOC on the MD properly., Insert another disc., If possible, erase all the tracks on the

MD.

C41/Cannot Copy

The sound source is a copy of commercially available music software, or you tried to record a CD-R (Recordable CD)., The Serial Copy Management System

prevents making a digital copy .You cannot record a CD-R.

C71/Din Unlock

The sporadic appearance of this message is caused by the digital signal being recorded. This will not affect the recording.

While recording from a digital component connected through the DIGITAL IN connector, the digital connecting cable was unplugged or the digital component turned off., Connect the cable or turn the digital

component back on.

E0001/MEMORY NG

There is an error in the internal data that the deck needs in order to operate., Consult your nearest Sony dealer.

E0101/LASER NG

There is a problem with the optical pickup., The optical pick-up may have failed.

Consult your nearest Sony dealer.

Three- or five-digit code/Message

Cause/Remedy

Genera l

Power requirementsEuropean model: 230 V AC, 50/60Hz

Other models: 110 – 120/220 – 240 V AC, 50/60HzAdjustable with voltage selector

Power consumption 15 W (0.5 W in standby mode)Dimensions (approx.) 430 95 285 mm

(w/h/d) incl. projecting parts and controls

Mass (approx.) 3.1 kg

Supplied accessories

Audio connecting cords (2)Optical cable (1)Remote commander (remote) (1)R6 (size-AA) batteries (2)

X X

3

MDS-JE770

ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTSSelecting the Test Mode

Display

op rec tm

op play tm

spdl rp tm

retry err

total err

err history

retry adrs

er refresh

tm change

op change

History

Displays the total recording time.When the total recording time is more than 1 minute, displays the hour and minuteWhen less than 1 minute, displays “Under 1 min”The display time is the time the laser is set to high power, which is about 1/4 of the actual recording time.

Displays the total playback time.When the total playback time is more than 1 minute, displays the hour and minuteWhen less than 1 minute, displays “Under 1 min”

Displays the total rotating time of the spindle motor.When the total rotating time is more than 1 minute, displays the hour and minuteWhen less than 1 minute, displays “Under 1 min”

Displays the total number of retry errors during recording and playbackDisplays “r xx p yy”. xx is the number of errors during recording. yy is the number of errors during playback.This is displayed in hexadecimal from 00 to FF.

Displays the total number of errorsDisplays “total xx”. This is displayed in hexadecimal from 00 to FF.

Displays the past ten errors.Displays “0x ErrCd@@”.X is the history number. The younger the number, the more recent is the history (00 is the latest). @@ is the errorcode.Select the error history number using the lAMSL knob.

Displays the past five retry addresses.Displays “xx ADRS yyyy”, xx is the history number, yyyy is the cluster with the retry error.Select the error history number using the lAMSL knob.

Mode for erasing the error and retry address historiesProcedure1. Press the lAMSL knob when displayed as “er refresh”.2. Press the YES button when the display changes to “er refresh?”.When “complete!” is displayed, it means erasure has completed.Be sure to check the following after executing this mode.*Data has been erased.*Perform recording and playback, and check that the mechanism is normal.

Mode for erasing the total time of recording and playbackProcedure1. Press the lAMSL knob when displayed as “tm refresh”.2. Press the YES button when the display changes to “tm refresh?”.When “complete!” is displayed, it means erasure has completed.

Mode for erasing the total time of op rec tm, op play tm.These histories are based on the time of replacement of the optical pickup. If the optical pick-up has been replaced,perform this procedure and erase the history.Procedure1. Press the lAMSL knob when displayed as “op change”.2. Press the YES button when the display changes to “op change?”.When “Complete!” is displayed, it means erasure has completed.

1. While pressing the lAMSL knob and x button, connect the power plug to the outlet, and release the lAMSL knob andx button.When the test mode is set, “[Check]” will be displayed.

2. Rotate the lAMSL knob and when “[Service]” is displayed, press the YES button.3. Rotate the lAMSL knob and display “Err Display”.4. Pressing the YES button sets the error history mode and displays “op rec tm”.5. Select the contents to be displayed or executed using the lAMSL knob.6. Pressing the lAMSL knob will display or execute the contents selected.7. Pressing the lAMSL knob another time returns to step 4.8. Pressing the MENU/NO button displays “Err Display” and exits the error history mode.9. To exit the test mode, press the REPEAT button. The unit sets into the STANDBY state, the disc is ejected, and the test mode ends.

4

MDS-JE770

PARTS No.4-233-025-6s

4-236-047-1s

4-233-025-8s

Description

Table of Error Codes

Error Code

10

12

20

21

22

23

24

30

31

40

41

42

43

50

51

Could not load

Loading switches combined incorrectly

Timed out without reading the top of PTOC

Could read top of PTOC, but detected error

Timed out without accessing UTOC

Timed out without reading UTOC

Error in UTOC

Could not start playback

Error in sector

Retry cause generated during normal recording

Retried in DRAM overflow

Retry occurred during TOC writing

Retry aborted during S.F editing

Other than access processing, and could not read address.

Focus NG occurred and overran.

MODEL IDENTIFICATION— BACK PANEL —

Part No.

• AbbreviationSP : Singapore model

MODELAEP models

UK modelsSP models

Display History

spdl change Mode for erasing the total spdl rp tm timeThese histories are based on the time of replacement of the spindle motor. If the spindle motor has been replaced,perform this procedure and erase the history.Procedure1. Press the lAMSL knob when displayed as “spdl change”2. Press the YES button when the display changes to “spdl change?”When “Complete!” is displayed, it means erasure has completed.

TABLE OF CONTENTS

1. SERVICING NOTES ........................................................ 5

2. GENERAL ........................................................................ 12

3. DISASSEMBLY3-1. Disassembly flow .............................................................. 133-2. Upper Case (408226) ........................................................ 143-3. Front Panel Section ........................................................... 143-4. Main Board ....................................................................... 153-5. PT Board, VOL-SEL Board (SP model) ........................... 153-6. Mechanism Deck Section ( MDM-7A) ............................. 163-7. Over Light Head (HR901), BD Board .............................. 163-8. Holder Assy ....................................................................... 173-9. Loading Motor Assy (M103) ............................................ 173-10. Sled Motor Assy (M102), Slider ....................................... 183-11. Optical Pick-up .................................................................. 183-12. Spindle Moter Assy (M101) .............................................. 19

4. TEST MODE ......................................................................20

5. ELECTRICAL ADJUSTMENTS ............................... 25

6. DIAGRAMS6-1. Circuit Boards Location ..................................................... 366-2. Block Diagrams

•BD Section ..................................................................... 38 •Main Section .................................................................. 39

6-3. Printed Wiring Board – BD Board – ................................. 406-4. Schematic Diagram – BD Section (1/2) – ......................... 416-5. Schematic Diagram – BD Section (2/2) – ......................... 426-6. Schematic Diagram – Main Section (1/2) – ...................... 436-7. Schematic Diagram – Main Section (2/2) – ...................... 446-8. Printed Wiring Board – Main Section – ........................... 456-9. Printed Wiring Board – Display Section – ........................ 466-10. Schematic Diagram – Display Section – ........................... 476-11. Printed Wiring Board – Power Section – .......................... 486-12.Schematic Diagram – Power Section – ............................. 496-13. IC Block Diagrams ............................................................ 506-14. IC Pin Functions ................................................................ 52

7. EXPLODED VIEWS7-1. Chassis Section .................................................................. 607-2. Front Panel Section ............................................................ 617-3. Mechanism Section-1 (MDM-7A) .................................... 627-4. Mechanism Section-2 (MDM-7A) .................................... 63

8. ELECTRICAL PARTS LIST ........................................64

5

MDS-JE770SECTION 1

SERVICE NOTES

This appliance is classified as aCLASS 1 LASER product. TheCLASS 1 LASER PRODUCTMARKING is located on therear exterior.

Laser component in this product is capableof emitting radiation exceeding the limit forClass 1.

CAUTIONUse of controls or adjustments or performance of proceduresother than those specified herein may result in hazardous radia-tion exposure.

Notes on chip component replacement• Never reuse a disconnected chip component.• Notice that the minus side of a tantalum capacitor may be

damaged by heat.

Flexible Circuit Board Repairing• Keep the temperature of soldering iron around 270˚C

during repairing.• Do not touch the soldering iron on the same conductor of the

circuit board (within 3 times).• Be careful not to apply force on the conductor when soldering

or unsoldering.

NOTES ON HANDLING THE OPTICAL PICK-UPBLOCK OR BASE UNIT

The laser diode in the optical pick-up block may suffer electrostaticbreak-down because of the potential difference generated by thecharged electrostatic load, etc. on clothing and the human body.During repair, pay attention to electrostatic break-down and alsouse the procedure in the printed matter which is included in therepair parts.The flexible board is easily damaged and should be handled withcare.

NOTES ON LASER DIODE EMISSION CHECK

Never look into the laser diode emission from right above whenchecking it for adjustment. It is feared that you will lose your sight.

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITHMARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTSLIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESECOMPONENTS WITH SONY PARTS WHOSE PART NUMBERSAPPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTSPUBLISHED BY SONY.

This cautionlabel is locatedinside the unit.

6

MDS-JE770

JIG FOR CHECKING BD BOARD WAVEFORM

The special jig (J-2501-196-A) is useful for checking the waveform of the BD board. The names of terminals and the checking items to beperformed are shown as follows.

GND : GroundI+3V : For measuring IOP (Check the deterioration of the optical pick-up laser)IOP : For measuring IOP (Check the deterioration of the optical pick-up laser)TE : TRK error signal (Traverse adjustment)VC : Reference level for checking the signalRF : RF signal (Check jitter)FE : Focus error signal

I+3VIopGNDTEFEVCRF

I+3VIOP

GNDTEFEVCRF

1

7

forMDM-7A

I+3V

CN105

IOPTE

VC

GNDFE

RF

7

MDS-JE770

Iop DATA RECORDING AND DISPLAY WHEN OPTICAL PICK-UP AND NON-VOLATILE MEMORY (IC195 OFBD BOARD) ARE REPLACED

The Iop value labeled on the optical pick-up can be recorded in the non-volatile memory. By recording the value, it will eliminate the needto look at the value on the label of the optical pick-up. When replacing the optical pick-up or non-volatile memory (IC195 of BD board),record the Iop value on the optical pick-up according to the following procedure.

Record Precedure:1. While pressing the l AMS L knob and x button, connect the power plug to the outlet, and release the l AMS L knob andx button.

2. Rotate the l AMS L knob to display “[Service]”, and press the YES button.3. Rotate the l AMS L knob to display “Iop Write” (C05), and press the YES button.4. The display becomes “Ref=@@@.@” (@ is an arbitrary number) and the numbers which can be changed will blink.5. Input the Iop value written on the optical pick-up.

To select the number : Rotate the l AMS L knob.To select the digit : Press the l AMS L knob.

6. When the YES button is pressed, the display becomes “Measu=@@@.@” (@ is an arbitrary number).7. As the adjustment results are recorded for the 6 value. Leave it as it is and press the YES button.8. “Complete!” will be displayed momentarily. The value will be recorded in the non-volatile memory and the display will become “Iop

Write”.9. Press the REPEAT button to complete.

Display Precedure:1. While pressing the l AMS L knob and x button, connect the power plug to the outlet, and release the l AMS L knob andx button.

2. Rotate the l AMS L knob to display “[Service]”, and press the YES button.3. Rotate the l AMS L knob to display “Iop Read” (C26).4. “@@.@/##.#” is displayed and the recorded contents are displayed.

@@.@ : indicates the Iop value labeled on the optical pick-up.##.# : indicates the Iop value after adjustment

5. To end, press the l AMS L button or MENU/NO button to display “Iop Read”(C26). Then press the REPEAT button.

8

MDS-JE770

OPTICAL PICK-UP BLOCK TYPE DISCRIMINATION

There are two types of the optical pick-up block in this model.These are compatible except for the laser power.Check the type of the optical pick-up block before replacement.Ajdust following items after replacing the optical pick-up block.• 5-6-2. Laser Power Check (See page 28)• 5-10. LASER POWER ADJUSTMENT (See page 31)

Differences

KMS-260B KMS-260E

Color of the adhesive agent at PDIC portion Pink White

Form of FPC retainer plate Close the hole on SL base Not close the hole on SL base

APC variable resistor Small volume (2 type)Big variable resistor (3 type) and chip resistor (Fig. A)

Small variable resistor (2 type) and chip resistor (Fig. B)

Fig. B type is for repair.

• Abbreviation

260B: KMS-260B model

260E: KMS-260E model

KSN-260B KSN-260E (Fig A)

(Fig B)

CHIP

3 type variableresistor

2 type variableresistor

CHIP

Hold on SL base

Hold on SL baseFPC retainer plate

FPC retainer plate

APC variableresistor

Adhesive agent at PDIC portion

Adhesive agent at PDIC portion

9

MDS-JE770

CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS

Before performing repairs, perform the following checks to determine the faulty locations up to a certain extent.Details of the procedures are described in “5 Electrical Adjustments”.

• 5-6-2. Laser power check (see page 28)• 5-6-3. Iop Compare (see page 28)• 5-6-4. Auto Check (see page 29)

Note:The criteria for determination above is intended merely to determine if satisfactory or not, and does not serve as the specified value foradjustments.When performing adjustments, use the specified values for adjustments.

FORCED RESET

The system microprocessor can be reset in the following procedure.Use these procedure when the unit cannot be operated normally due to the overrunning of the microprocessor, etc.Procedure :Remove the short-pin attached to CN406, and then attach it again.

[MAIN BOARD] (Component Side)

@CN406

10

MDS-JE770

Fig. 2 Reading the Test Mode Display(During playback)

@@###**$$Fluorescent display tube display

@@ : Parts No. (name of area named on TOC)### : Cluster** : Sector$$ : Track mode (Track information such as copyright infor-

mation of each part)

RETRY CAUSE DISPLAY MODE

• In this test mode, the causes for retry of the unit during recording can be displayed on the fluorescent indicator tube. During playback, the“track mode” for obtaining track information will be set.This is useful for locating the faulty part of the unit.

• The following will be displayed :During recording and stop : Retry cause, number of retries, and number of retry errors.During playback : Information such as type of disc played, part played, copyright.These are displayed in hexadecimal.

Procedure:1. Insert the recordable disc.2. Press MENU/NO button to display “Edit Menu” on the fluorescent display.3. Turn l AMS L button to display “All Erase?” on the fluorescent display.4. Press YES button to display “All Erase??” on the fluorescent display.5. Press YES button, “Complete!” is displayed on the fluorescent display and it turns off immediately.6. Procedure 1: Press the x button continuously for about 10 seconds.

Procedure 2: Press the LEVEL/DISPLAY/CHAR button while pressing the x button and MENU/NO button.7. When the mode is set, “RTs 00c 00e 000” is displayed.8. Press the z REC button to start recording. Then press the X button and start recording.9. To check the “track mode”, press the H button to start play.10.To exit the test mode, press the @/1 button, and turn OFF the power. When “TOC” disappears, disconnect the power plug from the outlet.

If the test mode cannot be exited, refer to “Forced Reset” on page 9.

Address (Physical address on disc)

Hexadecimal

Bit

Binary

Higher Bits Lower Bits

8 4 2 1 8 4 2 1

b7 b6 b5 b4 b3 b2 b1 b0

0 0 0 0 0 0 0 1

0 0 0 0 0 0 1 0

0 0 0 0 0 1 0 0

0 0 0 0 1 0 0 0

0 0 0 1 0 0 0 0

0 0 1 0 0 0 0 0

0 1 0 0 0 0 0 0

1 0 0 0 0 0 0 0

When track jump (shock) is detected

When ADER was counted more than five times continu-

ously

When ADIP address is not continuous

When DIN unlock is detected

When not in focus

When ABCD signal level exceeds the specified range

When CLV is unlocked

When access operation is not performed normally

Hexa-

decimal

shock

ader5

Discontinuous address

DIN unlock

FCS incorrect

IVR rec error

CLV unlock

Access fault

Cause of Retry Occurring conditions

01

02

04

08

10

20

40

80

Reading the Retry Cause Display

Fig. 1 Reading the Test Mode Display(During recording and stop)

RTs@@c##c***Fluorescent display tube display

@@ : Cause of retry## : Number of retries*** : Number of retry errors

11

MDS-JE770

Hexadecimal

Bit

Binary

Higher Bits Lower Bits

8 4 2 1 8 4 2 1

b7 b6 b5 b4 b3 b2 b1 b0

0 0 0 0 0 0 0 1

0 0 0 0 0 0 1 0

0 0 0 0 0 1 0 0

0 0 0 0 1 0 0 0

0 0 0 1 0 0 0 0

0 0 1 0 0 0 0 0

0 1 0 0 0 0 0 0

1 0 0 0 0 0 0 0

Hexa-

decimal

Details

01

02

04

08

10

20

40

80

Emphasis OFF

Monaural

This is 2-bit display. Normally 01.

01:Normal audio. Others:Invalid

Audio (Normal)

Original

Copyright

Write prohibited

When 0 When 1

Emphasis ON

Stereo

Invalid

Digital copy

No copyright

Write allowed

Reading the Display:Convert the hexadecimal display into binary display. If more than two causes, they will be added.

Example When 84 is displayed:Higher bit : 8 = 1000 t b7Lower bit : 4 = 0100 t b2In this case, as b2 and b7 are 1 and others are 0, it can be determined that the retry cause is combined of “emphasis OFF”, “monaural”,“original”, “copyright exists”, and “write allowed”.

Example When 07 is displayed:Higher bit : 0 = 1000 t All 0Lower bit : 7 = 0111 t b0+b1+b2In this case, as b0, b1, and b2 are 1 and others are 0, it can be determined that the retry cause is combined of “emphasis ON”, “stereo”,“original”, “copyright exists”, and “write prohibited”.

Hexadecimal t Binary Conversion Table

Hexadecimal Binary Hexadecimal Binary

0

1

2

3

4

5

6

7

8

9

A

B

C

D

E

F

0000

0001

0010

0011

0100

0101

0110

0111

1000

1001

1010

1011

1100

1101

1110

1111

Reading the Track Mode Display

Reading the Display:Convert the hexadecimal display into binary display. If more than two causes, they will be added.

ExampleWhen 42 is displayed:Higher bit : 4 = 0100 t b6Lower bit : 2 = 0010 t b1In this case, the retry cause is combined of “CLV unlock” and “ader5”.

When A2 is displayed:Higher bit : A = 1010 t b7+b5Lower bit : 2 = 0010 t b2The retry cause in this case is combined of “access fault”, “IVR rec error”, and “ader5”.

12

MDS-JE770SECTION 2GENERAL

This section is extracted frominstruction manual.

Parts Identification

The items are arranged in alphabetical order.Refer to the pages indicated in parentheses ( ) for details.

Main unit

MENU/NO YES

AMS

CLEAR

PUSH ENTER

REC

INPUT REC MODE

EJECTSTANDBY

TIMER

PHONES PHONE LEVEL PC LINK

ON/OFF SKIP TIME

PLAY MODE REPEATLEVEL/

DISPLAY/CHAR

MIN MAX (KEYBOARD)

REC OFF PLAY

MDLP

GROUP

whwa

83 4

wsw;qj

9

qhqg qk wf

2

ql

1 5

qf

qd6 7 qs0 qa

wd wg

AMS wh

wa8

3

4ws

w;

qj

19

qhqgqkws

wf2

ql1

5qf

qd

67

qs

A

z

`/1

H0Xqax

wdm/M

wg (15) (20) (25) (35) (39)

CLEAR (23) (30) (40)Display window EJECT (11) (20) (25)GROUP ON/OFF1) (13) (22)

(31)GROUP SKIP1) (13) (22) (31)INPUT (11)LEVEL/DISPLAY/CHAR

(11) (21) (29)MD insertion slot MDLP indicator (14) (21)MENU/NO (15) (22) (25) (35)

(39)

PC LINK (KEYBOARD)1) (39)

PHONE LEVEL1) (21)PHONES jack1) (17) (21) (36)PLAY MODE (20) (37)REC MODE (14) (22)REC (11)Remote sensor2) REPEAT (20)STANDBY indicator (11) (20)TIME1) (17) (21)TIMER1) (37)YES (15) (23) (25) (35) (39)

(11) (20) (25) (11) (20) (37) (40)

(11) (20) (39) (40) (11) (20) (25) (37) (40)

(20) (26) (40)

1) MDS-JE770 only.2) MDS-JE770 only. For MDS-

JE470, the remote sensor is located on the display window.

BUTTON DESCRIPTIONS

13

MDS-JE770SECTION 3

DISASSEMBLY

3-1. DISASSEMBLY FLOW

• This set can be disassembled in the order shown below.

SET

3-2 UPPER CASE (408226)

3-3 FRONT PANEL SECTION 3-4 MAIN BOARD

3-5 PT BOARD VOL-SEL BOARD (SP model)

3-6 MECHANISM DECK SECTION (MDM-7A)

3-7 OVER LIGHT HEAD (HR901)

3-11 OPTICAL PICK-UP (KMS-260B/260E)

3-7 BD BOARD

3-8 HOLDER ASSY

3-9 LOADING MOTOR ASSY (M103)

3-10 SLED MOTOR ASSY (M102)

3-12 SPINDLE MOTOR ASSY (M101)

3-7 BD BOARD

3-8 HOLDER ASSY

• Abbreviation SP : Singapore

Note 1: The processes enclosed with , remove in the any order.Note 2: You cannot go to the next process until every process enclosed with has done.

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MDS-JE770

3-2. UPPER CASE (408226)

1 Two screws (CASE 3TP2)

1 Two screws (CASE 3TP2)

1 Screw (CASE 3TP2)

2 Case (408226)

3-3. FRONT PANEL SECTION

4 Three screws (+BVTP3x8)

4 Two screws (+BVTP3x8)

6 Front panel

5 Claw

5 Claw

1 Wire (flat type) (17core) (CN3)

2 Connector (CN390)

3 Connector (CN830)

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MDS-JE770

3-4. MAIN BOARD

3-5. PT BOARD, VOL-SEL BOARD (SP model)

6 Two screws (+BVTP3x8)

4 Three screws (+BVTP3x8)

5 screw (+BVTP3x8)

3 Connector (CN400)

2 Wire (flat type) (23core) (CN1)

1 Wire (flat type) (27core) (CN2)

7 MAIN board

6 Two screws (+BVTP3x8) (SP model)

3 Three screws (+PTTWH M3)

2 Connector (CN990) (SP model)

1 Connector (CN900)

5 PT board

7 VOL-SEL board (SP model)

4 Nylom rivet (dia 3)

16

MDS-JE770

3-6. MECHANISM DECK SECTION (MDM-7A)

3-7. OVER LIGHT HEAD (HR901), BD BOARD

2 Two step screws (+BVTTWH M3)

2 Two step screws (+BVTTWH M3)

1 Harness

3 Mechanism deck

6

3 Head, over light (HP901)

4 Remove the solder (four portion)

4 Remove the solder (five portion)5 Two screws (BTP2X6)

7 FLEXIBLE board (CN101)

8 BD board

1 Connector (CN104)

2 Screw (P1.7X6)

Note 1: If you disconnect the connector (CN104), you can remove theBD board without removing the over write head (HR901).

Note 2: Be careful to handle the over write head (HR901) because it iseasy to be damaged.

17

MDS-JE770

3-8. HOLDER ASSY

3-9. LOADING MOTOR ASSY (M103)

5

36 Holder ASSY

2 Claw

4 Boss

4 Boss1 Spring (holder), tension

2 Two screws (PWH1.7x2.5)

3 Motor ASSY, loading (M103)

1 Belt (loading)

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MDS-JE770

3

A

A

1 Two screws (BTP2X6)

9 Two screws (PWH1.7X2.5)

0 Motor ASSY, sled (M102)

7 Lever (CHG)

2 Guide (L)

6 Slider 8 Lever (head)

4 Slider (EJ)

5 Remove the claw. Shift the slider in the arrow direction.

1 FLEXIBLE board

qa Optical pick-up (KMS-260B/260E)

7 Main shaft

6 Two screws (K2X6)

4 Screw (BTP2X6)

5 Base (BU-A)

3 Gear (SD)

2 Screw (M1.7), tapping

0 SL base

9 Screw (P1.7X6)

8

3-10. SLED MOTOR ASSY (M102), SLIDER

3-11. OPTICAL PICK-UP

19

MDS-JE770

2 Spindle motor ASSY (M101)

1 Three screws (M1.7), tapping

3-12. SPINDLE MOTER ASSY (M101)

20

MDS-JE770

Function name

MENU/NO button

YES button

AMS Left or Rightknob Push

Function

Cancel or move to top hierarchy

Set

Select

Set submenu

SECTION 4TEST MODE

4-1. PRECAUTIONS FOR USE OF TEST MODE• As loading related operations will be performed regardless of the test mode operations being performed, be sure to check that the disc

is stopped before setting and removing it.Even if the A EJECT button is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc willnot stop rotating.Therefore, it will be ejected while rotating.Be sure to press the A EJECT button after pressing the MENU/NO button and the rotation of disc is stopped.

4-1-1. Recording laser emission mode and operating buttons

• Continuous recording mode (CREC 1MODE) (C35)• Laser power check mode (LDPWR CHECK) (C13)• Laser power adjustment mode (LDPWR ADJUS) (C04)• Iop check (Iop Compare) (C27)• Iop value nonvolatile writing (Iop NV Save) (C06)• Traverse (MO) check (EF MO CHECK) (C14)• Traverse (MO) adjustment (EF MO ADJUS) (C07)• When pressing the z REC button.

4-2. SETTING THE TEST MODEThe following are two methods of entering the test mode.Procedure 1: While pressing the l AMS L knob and x button, connect the power plug to an outlet, and release the l AMS L

knob and x button.When the test mode is set, “[Check]” will be displayed. Rotating the l AMS L knob switches between the followingthree groups; ··· y Check y Service y Develop y ···.

Procedure 2: While pressing the l AMS L knob, connect the power plug to the outlet and release the l AMS L knob.When the test mode is set, “TEMP CHECK”(C12) will be displayed. By setting the test mode using this method, only the“Check” group of method 1 can be executed.

NOTE: Do not use the test mode in the [Develop] group.If used, the unit may not operate normally.If the [Develop] group is set accidentally, press the MENU/NO button immediately to exit the [Develop] group.

4-3. EXITING THE TEST MODEPress the REPEAT button. The disc is ejected when loaded, and “Standby” display blinks, and the STANDBY state is set.

4-4. BASIC OPERATIONS OF THE TEST MODEAll operations are performed using the l AMS L knob, YES button, and MENU/NO button.The functions of these buttons are as follows.

21

MDS-JE770

Display

AUTO CHECK

Err Display

TEMP ADJUS

LDPWR ADJUS

Iop Write

Iop NV Save

EF MO ADJUS

EF CD ADJUS

FBIAS ADJUS

AG Set (MO)

AG Set (CD)

TEMP CHECK

LDPWR CHECK

EF MO CHECK

EF CD CHECK

FBIAS CHECK

ScurveCHECK

VERIFYMODE

DETRK CHECK

0920 CHECK

Iop Read

Iop Compare

ADJ CLEAR

INFORMATION

CPLAY1MODE

CREC 1MODE

Details

Automatic self-diagnosis

Error history display, clear

Temperature compensation offset adjustment

Laser power adjustment

Iop data writing

Writes current Iop value in read nonvolatile memory using microprocessor

Traverse (MO) adjustment

Traverse (CD) adjustment

Focus bias adjustment

Focus, tracking gain adjustment (MO)

Focus, tracking gain adjustment (CD)

Temperature compensation offset check

Laser power check

Traverse (MO) check

Traverse (CD) check

Focus bias check

S-curve check

Nonvolatile memory check

Detrack check

Most circumference check

Iop data display

Comparison with initial Iop value written in nonvolatile memory

Initialization of nonvolatile memory for adjustment values

Display of microprocessor version, etc.

Continuous playback mode

Continuous recording mode

4-5. SELECTING THE TEST MODEThere are 26 types of test modes as shown below. The groups can be switched by rotating the l AMS L knob. After selecting thegroup to be used, press the YES button. After setting a certain group, rotating the l AMS L knob switches between these modes.Refer to “Group” in the table for details selected.All adjustments and checks during servicing can be performed in the test mode in the Service group.

• For details of each adjustment mode, refer to “5. Electrical Adjustments”.For details of “Err Display” (C02), refer to “Self-Diagnosis Function” on page 2.

• If a different mode has been selected by mistake, press the MENU/NO button to exit that mode.• Modes with (X) in the Mark column are not used for servicing and therefore are not described in detail. If these modes are set acciden-

tally, press the MENU/NO button to exit the mode immediately.

No.

C01

C02

C03

C04

C05

C06

C07

C08

C09

C10

C11

C12

C13

C14

C15

C16

C17

C18

C19

C25

C26

C27

C28

C31

C34

C35

MarkGroup

Check Service

NOTE: Do not use the test mode in the [Develop] group.If used, the unit may not operate normally.If the [Develop] group is set accidentally, press the MENU/NO button immediately to exit the [Develop] group.

22

MDS-JE770

“CPLAY1 MID” t “CPLAY1 OUT” t “CPLAY1 IN”

“CREC1 MID” t “CREC1 OUT” t “CREC1 IN”

4-5-1. Operating the Continuous Playback Mode

1. Entering the continuous playback mode1 Set the disc in the unit. (Whichever recordable discs or discs for playback only are available.)2 Rotate the l AMS L knob and display “CPLAY1 MODE”(C34).3 Press the YES button to change the display to “CPLAY1 MID”.4When access completes, the display changes to “C = AD = ”.Note : The numbers “ ” displayed show you error rates and ADER.

2. Changing the parts to be played back1 Press the YES button during continuous playback to change the display as below.

When pressed another time, the parts to be played back can be moved.2When access completes, the display changes to “C = AD = ”.Note : The numbers “ ” displayed show you error rates and ADER.

3. Ending the continuous playback mode1 Press the MENU/NO button. The display will change to “CPLAY1 MODE”(C34).2 Press the AEJECT button to remove the disc.Note : The playback start addresses for IN, MID, and OUT are as follows.

IN 40h clusterMID 300h clusterOUT 700h cluster

4-5-2. Operating the Continuous Recording Mode (Use only when performing self-recording/palyback check.)1. Entering the continuous recording mode1 Set a recordable disc in the unit.2 Rotate the l AMS L knob and display “CREC1 MODE” (C35).3 Press the YES button to change the display to “CREC1 MID”.4When access completes, the display changes to “CREC 1 ( )” and REC lights up.Note : The numbers “ ” displayed shows you the recording position addresses.

2. Changing the parts to be recorded1When the YES button is pressed during continuous recording, the display changes as below.

When pressed another time, the parts to be recorded can be changed. REC goes off.2When access completes, the display changes to “CREC 1 ( )” and REC lights up.Note : The numbers “ ” displayed shows you the recording position addresses.

3. Ending the continuous recording mode1 Press the MENU/NO button. The display changes to “CREC1 MODE” (C35) and REC goes off.2 Press the A EJECT button to remove the disc.Note 1 : The recording start addresses for IN, MID, and OUT are as follows.

IN 40h clusterMID 300h clusterOUT 700h cluster

Note 2 : The MENU/NO button can be used to stop recording anytime.Note 3 : Do not perform continuous recording for long periods of time above 5 minutes.Note 4 : During continuous recording, be careful not to apply vibration.

23

MDS-JE770

Function

G

x

M

m

REC MODE

PLAY MODE

LEVEL/DISPLAY/CHAR

A

REPEAT

Contents

Sets continuous playback when pressed in the STOP state. When pressed during continuous

playback, the tracking servo turns ON/OFF.

Stops continuous playback and continuous recording.

The sled moves to the outer circumference only when this is pressed.

The sled moves to the inner circumference only when this is pressed.

Switches between the pit and groove modes when pressed.

Switches the spindle servo mode (CLV S y CLV A).

Switches the displayed contents each time the button is pressed.

Ejects the disc.

Exits the test mode.

4-6. FUNCTIONS OF OTHER BUTTONS

4-7. TEST MODE DISPLAYSEach time the LEVEL/DISPLAY/CHAR button is pressed, the display changes in the following order.When CPLAY and CREC are started, the display will forcibly be switched to the error rate display as the initial mode.

1. Mode displayDisplays “TEMP ADJUST” (C03), “CPLAY1MODE” (C34), etc.

2. Error rate displayDisplays the error rate in the following way.

C = AD = C = Indicates the C error.AD = Indicates ADER.

3. Address displayThe address is displayed as follows. (MO:recordable disc, CD:playback only disc)If the REC MODE button is pressed , the display switches from groove to pit orvice versa.h = s = (MO pit and CD)h = a = (MO groove)h = Indicates the header address.s = Indicates the SUBQ address.a = Indicates the ADIP address.

Note: “–” is displayed when the address cannnot be read.

Mode display

Error rate display

Address display

Auto gain display (Not used in servicing)

Detrack check display (Not used in servicing)

IVR display (Not used in servicing)

C1 error and Jitter display(Not used in servicing)

AD error and Jitter display(Not used in servicing)

24

MDS-JE770

G

X

REC

SYNC

L.SYNC

OVER

B/1

A-/REP

REC MODE

DISC/LP2

SLEEP/SHUF

MONO

Servo OFF

Tracking servo ON

Recording mode OFF

CLV normal mode

Tracking offset cancel OFF

Groove

Low reflection

CLV A

CLV UNLOCK

Contents

When Lit When OffDisplay

Servo ON

Tracking servo OFF

Recording mode ON

CLV low speed mode

ABCD adjustment completed

Tracking offset cancel ON

Tracking auto gain OK

Focus auto gain OK

Pit

High reflection

CLV S

CLV LOCK

4-8. MEANINGS OF OTHER DISPLAYS

4-9. AUTOMATIC SELF-DIAGNOSIS FUNCTIONThis test mode performs CREC and CPLAY automatically for mainly checking the characteristics of the optical pick-up.To perform this test mode, the laser power must first be checked.Perform AUTO CHECK after the laser power check and Iop compare.

Procedure1. Press the YES button. If “LDPWR ” is displayed, it means that the laser power check has not been performed. In this case,

perform the laser power check and Iop compare, and then repeat from step 1.2. If a disc is in the mechanical deck, it will be ejected forcibly.

“DISC IN” will be displayed in this case. Load a test disc (MDW-74/GA-1) which can be recorded.3. If a disk is loaded at step 2, the check will start automatically.4. When “XX CHECK” is displayed, the item corresponding to XX will be performed.

When “06 CHECK” completes, the disc loaded at step 2 will be ejected. “DISC IN” will be displayed. Load the check disc (MD) TDYS-1.5. When the disc is loaded in step 4, the check will automatically be resumed from “07 CHECK”.6. After completing to test item 12, check OK or NG will be displayed. If all items are OK, “CHECK ALL OK” will be displayed. If any item

is NG, it will be displayed as “NG:xxxx”.

When “CHECK ALL OK” is displayed, it means that the optical pick-up is normal. Check the operations of the other spindle motor, threadmotor, etc.When displayed as “NG:xxxx”, it means that the optical pick-up is faulty. In this case, replace the optical pick-up.

4-10. INFORMATIONDisplay the software version.

Procedure1. If displayed as “INFORMATION”, press the YES button.2. The software version will be displayed.3. Press the MENU/NO button to end this mode.

4-11. WHEN MEMORY NG IS DISPLAYEDIf the nonvolatile memory data is abnormal, “E001”/”MEMORY NG” will be displayed so that the MD deck does not continue operations.In this case, set the test mode promptly and perform the following procedure.

Procedure1. Set the test mode. (Refer to 4-2.)2. Normally a message for selecting the test mode will be displayed. However if the nonvolatile memory is abnormal, the following will be

displayed. “INIT EEP?”3. Press the x button and A EJECT button together.4. Rotate the l AMS L knob and select MDM-7A.5. Press the l AMS L knob. If the nonvolatile memory is successfully overwritten, the normal test mode will be set and a message

to select the test mode will be displayed.

Note: When this setting is doing, readjustment is necessary. (Adjustment it same as IC195 exchanged)

25

MDS-JE770SECTION 5

ELECTRICAL ADJUSTMENTS

5-1. PARTS REPLACEMENT AND ADJUSTMENTIf malfunctions caused by Optical pick-up such as sound skipping are suspected, follow the following check.

Check before replacement

Other faults are suspected.Check the threading mechanism, etc.

Start

NG

NG

NG

OK

OK

OK

Laser Power Check5-6-2.

(See page 28)

5-6-3.

(See page 28)

5-6-4.

(See page 29)

Iop Compare

Auto Check Replace Optical pick-up or MDM-7A

Note : 260B: KMS-260B260E: KMS-260E

26

MDS-JE770

5-6-4. Auto Check(See page 29)

Start

YES

NO

NO

NO

NO

NO

NO

NO

NO

YES

YES

YES

YES

YES

YES

YES

Replace IC195

Replace OP or IO195

Replace IC101, IC195, or D101

5-11. Iop NV SAVE (See page 32)

Replace OP, IC190, or IC195

Replace OP, IC102, IC190, or IC195

Replace OP, IC101, IC151, or IC195

Replace OP

Replace the spindle motor

End adjustments

After turning off and then on the power, initialize the EEPROMFor details, refer to 4-11. WHEN MEMORY NG IS DISPLAYED (See page 24)

• AbbreviationOP: Optical pick-up

5-7. INITIAL SETTING OF ADJUSTMENT VALUE (See page 31)

5-9. TEMPERATURE COMPENSATION OFFSET ADJUSTMENT (See page 31)

5-10. LASER POWER ADJUSTMENT (See page 31)

5-12. TRAVERSE ADJUSTMENT (See page 32)5-13. FOCUS BIAS ADJUSTMENT (See page 33)5-16. AUTO GAIN CONTROL OUTPUT LEVEL

ADJUSTMENT (See page 34)

OP change in Err Display modeIop write

Spdl change in Err Display mode

Adjustment flow

27

MDS-JE770

5-7. Initial setting of adjustment values

5-8. Recording of Iop information

5-9. TEMP ADJUST

5-10. Laser power adjustment

5-11. Iop NV Save

5-12. Traverse adjustment

5-13. Focus bias adjustment

5-16. Auto gain adjustment

5-6-4. AUTO CHECK

5-2. PRECAUTIONS FOR CHECKING LASER DIODEEMISSION

To check the emission of the laser diode during adjustments, neverview directly from the top as this may lose your eye-sight.

5-3. PRECAUTIONS FOR USE OF OPTICAL PICK-UP (KMS-260B/260E)

As the laser diode in the optical pick-up is easily damaged by staticelectricity, solder the laser tap of the flexible board when using it.Before disconnecting the connector, desolder first. Before connect-ing the connector, be careful not to remove the solder. Also takeadequate measures to prevent damage by static electricity. Handlethe flexible board with care as it breaks easily.

Optical pick-up flexible board

5-4. PRECAUTIONS FOR ADJUSTMENTS1) When replacing the following parts, perform the adjustments

and checks with in the order shown in the following table.2) Set the test mode when performing adjustments.

After completing the adjustments, exit the test mode.Perform the adjustments and checks in “group S” of the test mode.

3) Perform the adjustments to be needed in the order shown.4) Use the following tools and measuring devices.

• Check Disc (MD) TDYS-1 (Parts No. 4-963-646-01)• Test Disk (MDW-74/GA-1) (Parts No. 4-229-747-01)• Laser power meter LPM-8001 (Parts No. J-2501-046-A)or

MD Laser power meter 8010S (Parts No. J-2501-145-A)• Oscilloscope (Measure after performing CAL of prove.)• Digital voltmeter• Thermometer• Jig for checking BD board waveform

(Parts No. : J-2501-196-A)

OpticalPick-up

IC101 IC102 IC151 IC190 IC195 D101

pick-up flexible board

laser tap

5) When observing several signals on the oscilloscope, etc.,make sure that VC and ground do not connect inside the oscillo-scope.(VC and ground will become short-circuited.)

6) Using the above jig enables the waveform to be checked with-out the need to solder.(Refer to Servicing Note on page 6.)

7) As the disc used will affect the adjustment results, make surethat no dusts nor fingerprints are attached to it.

Parts to be replaced

Adjustment

28

MDS-JE770

5. Press the MENU/NO button and display “LDPWR CHECK”and stop the laser emission.(The MENU/NO button is effective at all times to stop the laseremission.)

Note 1: After step 4, each time the YES button is pressed, thedisplay will be switched between “LD 0.7 mW $ ”,“LD 6.2 mW $ ”, and “LD Wp $ ”. Nothingneeds to be performed here.

5-5. USING THE CONTINUOUSLY RECORDED DISC* This disc is used in focus bias adjustment and error rate check.

The following describes how to create a continuous recordingdisc.

1. Insert a disc (blank disc) commercially available.2. Rotate the l AMS L knob and display “CREC1

MODE”(C35).3. Press the YES button again to display “CREC1 MID”.

Display “CREC (0300)” and start to recording.4. Complete recording within 5 minutes.5. Press the MENU/NO button and stop recording .6. Press the AEJECT button and remove the disc.

The above has been how to create a continuous recorded data forthe focus bias adjustment and error rate check.Note :• Be careful not to apply vibration during continuous recording.

5-6. CHECKS PRIOR TO REPAIRSThese checks are performed before replacing parts according to“approximate specifications” to determine the faulty locations. Fordetails, refer to “Checks Prior to Parts Replacement and Adjust-ments” (See page 9).

5-6-1. Temperature Compensation Offset CheckWhen performing adjustments, set the internal temperature and roomtemperature to 22 to 28ºC.Checks cannot be performed properly if performed after some timefrom power ON due to the rise in the temperature of the IC anddiode, etc. So, perform the checks again after waiting some time.

Checking Procedure:1. Rotate the l AMS L knob to display “TEMP CHECK”.

(C12)2. Press the YES button.3. “T=@@(##) [OK]” should be displayed. If “T=@@ (##) [NG]”

is displayed, it means that the results are bad.(@@ indicates the current value set, and ## indicates the valuewritten in the non-volatile memory.)

5-6-2. Laser Power CheckBefore checking, check the Iop value of the optical pick-up.(Refer to 5-8. Recording and Displaying Iop Information.)

Connection :

KMS260B20101H0576

Iop = 57.6 mA in this caseIop (mA) = Digital voltmeter reading (mV)/1 (Ω)

Checking Procedure:1. Set the laser power meter on the objective lens of the optical

pick-up. (When it cannot be set properly, press the m buttonor M button to move the optical pick-up.)Connect the digital volt meter to CN105 pin 1 (I+3V) andCN105 pin 2 (IOP).

2. Then, rotate the l AMS L knob and display “LDPWRCHECK”.

3. Press the YES button once and display “LD 0.9 mW $ ”.Check that the reading of the laser power meter become thespecified value.

4. Press the YES button once more and display “ LD 7.0 mW $”. Check that the reading the laser power meter and digital

volt meter satisfy the specified value.

Specified Value :Laser power meter reading : LD 0.9mW : 0.85-0.91mW (260B)

0.90-0.96mW (260E) LD 7.0mW : 6.80-7.20mW (260B)

7.00-7.50mW (260E)Digital voltmeter reading : Optical pick-up displayed value ± 10%

(Optical pick-up label)

(For details of the method for checkingthis value, refer to “5-8. Recording andDisplaying Iop Information”.)

Laser powermeter

Optical pick-upobjective lens

Digital volt meter

BD boardCN105 pin 1 (I+3V)CN105 pin 2 (IOP)

R

5-6-3. Iop CompareThe current Iop value at laser power 7 mw output and reference Iopvalue (set at shipment) written in the nonvolatile memory arecompared, and the rate of increase/decrease will be displayed inpercentage.

Note: Perform this function with the optical pick-up set at roomtemperature.

Procedure1. Rotate the l AMS L knob to display “Iop

Compare”(C27).2. Press the YES button and start measurements.3. When measurements complete, the display changes to

“±xx%yy”.xx is the percentage of increase/decrease, and OK or NG isdisplayed at yy to indicate whether the percentage of increase/decrease is within the allowable range.

4. Press the MENU/NO button to end.

29

MDS-JE770

7. Press the YES button and display “EFB = MO-W”.8. Observe the waveform of the oscilloscope, and check that the

specified value is satisfied. Do not rotate the l AMS Lknob.(Write power traverse checking)

(Traverse Waveform)

11. Press the YES button display “EF MO CHECK”(C14)The disc stops rotating automatically.

12. Press the A EJECT button and remove the disc.13. Load the check disc (MD) TDYS-1.14. Roteto the l AMS L knob and display “EF CD CHECK”

(C15).15. Press the YES button and display “EFB = CD”. Servo is

imposed automatically.

9. Press the YES button display “EFB = MO-P”.Then, the optical pick-up moves to the pit area automaticallyand servo is imposed.

10. Observe the waveform of the oscilloscope, and check that thespecified value is satisfied. Do not rotate the l AMS Lknob.

(Traverse Waveform)

Checking Procedure:1. Connect an oscilloscope to CN105 pin 4 (TE) and CN105 pin6 (VC) of the BD board.

2. Load a test disc (MDW-74/GA-1). (Refer to Note 1.)3. Press the M button and move the optical pick-up outside the

pit.4. Rotate the l AMS L knob and display “EF MO CHECK”.5. Press the YES button and display “EFB = MO-R”.

(Laser power READ power/Focus servo ON/tracking servo OFF/spindle (S) servo ON)

V : 0.5 V/divH : 10 ms/divInput : DC mode

Oscilloscope

BD boardCN105 pin 4 (TE)CN105 pin 6 (VC)

VC

A

B

Specified value : Below 10% offset value

Offset value (%) = X 100 IA – BI2 (A + B)

VC

A

B

Specified value : Below 10% offset value

Offset value (%) = X 100 IA – BI2 (A + B)

5-6-4. Auto CheckThis test mode performs CREC and CPLAY automatically formainly checking the characteristics of the optical pick-up. Toperform this test mode, the laser power must first be checked.Perform Auto Check after the laser power check and Iop compare.

Procedure1. Press the YES button. If “LDPWR minicheck” is displayed, it

means that the laser power check has not been performed. Inthis case, perform the laser power check and Iop compare, andthen repeat from step 1.

2. If a disc is in the mechanical deck, it will be ejected forcibly.“DISC IN” will be displayed in this case. Load a test disc (MDW-74/GA-1) which can be recorded.

3. If a disk is loaded at step 2, the check will start automatically.4. When “XX CHECK” is displayed, the item corresponding to

XX will be performed.When “06 CHECK” completes, the disc loaded at step 2 will beejected. “DISC IN” will be displayed. Load the check disc (MD)TDYS-1.

5. When the disc is loaded, the check will automatically be resumedfrom “07 CHECK”.

6. After completing to test item 12, check OK or NG will bedisplayed. If all items are OK, “CHECK ALL OK” will bedisplayed. If any item is NG, it will be displayed as “NG:xxxx”.

When “CHECK ALL OK” is displayed, it means that the opticalpick-up is normal. Check the operations of the other spindle motor,thread motor, etc.When displayed as “NG:xxxx”, it means that the optical pick-up isfaulty. In this case, replace the optical pick-up.

5-6-5. Other ChecksAll the following checks are performed by the Auto Check mode.They therefore need not be performed in normal operation.

1. Load a continuously recorded test disc (MDW-74/GA-1).(Refer to “5-5. Using the Continuously Recorded Disc”.)

5-6-6. Traverse CheckConnection :

VC

A

B

Specified value : Below 10% offset value

Offset value (%) = X 100 IA – BI2 (A + B)

6. Observe the waveform of the oscilloscope, and check that thespecified value is satisfied. Do not rotate the AMS knob.(Read power traverse checking)

(Traverse Waveform)

30

MDS-JE770

5-6-8. C PLAY Check

MO Error Rate CheckChecking Procedure :1. Load a continuously recorded test disc (MDW-74/GA-1).

(Refer to “5-5. Using the Continuously Recorded Disc”.)2. Rotate the l AMS L knob and display “CPLAY1

MODE”(C34).3. Press the YES button and display “CPLAY1 MID”.4. The display changes to “C = AD = ”.5. If the C error rate is below 20, check that ADER is 00.6. Press the MENU/NO button, stop playback, press the A EJECT

button, and test disc.

CD Error Rate CheckChecking Procedure :1. Load a check disc (MD) TDYS-1.2. Rotate the l AMS L knob and display “CPLAY1

MODE”(C34).3. Press the YES button twice and display “CPLAY1 MID”.4. The display changes to “C1 = AD = ”.5. Check that the C1 error rate is below 20.6. Press the MENU/NO button, stop playback, press the A EJECT

button, and the test disc.

5-6-9. Self-Recording/playback CheckPrepare a continuous recording disc using the unit to be repairedand check the error rate.

Checking Procedure :1. Insert a recordable test disc (MDW-74/GA-1) into the unit.2. Rotate the l AMS L knob to display “CREC1 MODE”

(C34).3. Press the YES button to display the “CREC1 MID”.4. When recording starts, “ REC ” is displayed, this becomes

“CREC 1 (@@@@)” (@@@@ is the address), and recordingstarts.

5. About 1 minute later, press the MENU/NO button to stopcontinuous recording.

6. Rotate the l AMS L knob to display “C PLAY1 MODE”(C34).

7. Press the YES button to display “C PLAY1 MID”.8. “C = AD = ” will be displayed.9. Check that the C error becomes below 20 and the AD error

below 2.10. Press the MENU/NO button to stop playback, and press the A

EJECT button and remove the disc.

5-6-7. Focus Bias CheckChange the focus bias and check the focus tolerance amount.Checking Procedure :1. Load a continuously recorded test disc (MDW-74/GA-1).

(Refer to “5-5. Using the Continuously Recorded Disc”.)2. Rotate the l AMS L knob and display “CPLAY1

MODE”(C34).3. Press the YES button and display “CPLAY1 MID”.4. Press the MENU/NO button when “C = AD = ” is

displayed.5. Rotate the l AMS L knob and display “FBIAS CHECK”

(C16).6. Press the YES button and display “ / c = ”.

The first four digits indicate the C error rate, the two digits after[/] indicate ADER, and the 2 digits after [c =] indicate the focusbias value.Check that the C error is below 20 and ADER is below 2.

7. Press the YES button and display “ / b = ”.Check that the C error is below 100 and ADER is below 2.

8. Press the YES button and display “ / a = ”.Check that the C error is below 100 and ADER is below 2.

9. Press the MENU/NO button, next press the A EJECT button,and remove the test disc.

330 kΩ

Oscilloscope

10pF

BD boardCN105 pin 4 (TE)CN105 pin 6 (VC)

16. Observe the waveform of the oscilloscope, and check that thespecified value is satisfied. Do not rotate the l AMS Lknob.

(Traverse Waveform)

17. Press the YES button and display “EF CD CHECK”.18. Press the A EJECT button and remove the check disc (MD)

TDYS-1.

Note 1 : MO reading data will be erased during if a recorded disc isused in this adjustment.

Note 2 : If the traverse waveform is not clear, connect the oscillo-scope as shown in the following figure so that it can beseen more clearly.

VC

A

B

Specified value : Below 10% offset value

Offset value (%) = X 100 IA – BI2 (A + B)

31

MDS-JE770

5-7. INITIAL SETTING OF ADJUSTMENT VALUE

Note:Mode which sets the adjustment results recorded in the non-vola-tile memory to the initial setting value. However the results of thetemperature compensation offset adjustment will not change to theinitial setting value.If initial setting is performed, perform all adjustments again ex-cluding the temperature compensation offset adjustment.For details of the initial setting, refer to “5-4. Precautions on Ad-justments” and execute the initial setting before the adjustment asrequired.

Setting Procedure :1. Rotate the l AMS L knob to display “ADJCLEAR”

(C28).2. Press the YES button. “Complete!” will be displayed momen-

tarily and initial setting will be executed, after which “ADJCLEAR”(C28) will be displayed.

5-8. RECORDING AND DISPLAYING THE IopINFORMATION

The IOP data can be recorded in the non-volatile memory. The Iopvalue on the label of the optical pick-up and the Iop value after theadjustment will be recorded. Recording these data eliminates theneed to read the label on the optical pick-up.

Recording Procedure :1. While pressing the l AMS L knob and x button, con-

nect the power plug to the outlet, and release the l AMSL knob and x button.

2. Rotate the l AMS L knob to display “[Service]”, andpress the YES button.

3. Rotate the l AMS L knob to display “Iop.Write”(C05),and press the YES button.

4. The display becomes Ref=@@@.@ (@ is an arbitrary number)and the numbers which can be changed will blink.

5. Input the Iop value written on the optical pick-up.To select the number : Rotate the l AMS L knob.To select the digit : Press the l AMS L knob

6. When the YES button is pressed, the display becomes“Measu=@@@.@” (@ is an arbitrary number).

7. As the adjustment results are recorded for the 6 value. Leave itas it is and press the YES button.

8. “Complete!” will be displayed momentarily. The value will berecorded in the non-volatile memory and the display will be-come “Iop Write”(C05).

Display Procedure :1. Rotate the l AMS L knob to display “Iop.Read”(C26)

and press the YES button.2. “@@.@/##.#” is displayed and the recorded contents are

displayed.@@.@ indicates the Iop value labeled on the pick-up.##.# indicates the Iop value after adjustment

3. To end, press the l AMS L button or MENU/NObutton to display “Iop Read”(C26).

5-9. TEMPERATURE COMPENSATION OFFSETADJUTMENT

Save the temperature data at that time in the non-volatile memoryas 25 ˚C reference data.Note :1. Usually, do not perform this adjustment.2. Perform this adjustment in an ambient temperature of 22 ˚C to

28 C. Perform it immediately after the power is turned on whenthe internal temperature of the unit is the same as the ambienttemperature of 22 ˚C to 28 ˚C.

3. When D101 has been replaced, perform this adjustment afterthe temperature of this part has become the ambient tempera-ture.

Adjusting Procedure :1. Rotate the l AMS L knob and display “TEMP ADJUS”

(C03).2. Press the YES button and select the “TEMP ADJUS”(C03)

mode.3. “TEMP = [OK]” and the current temperature data will be

displayed.4. To save the data, press the YES button.

When not saving the data, press the MENU/NO button.5. When the YES button is pressed, “TEMP = SAVE” will be

displayed and turned back to “TEMP ADJUS”(C03) display then.When the MENU/NO button is pressed, “TEMP ADJUS” (C03)will be displayed immediatelly.

Specified Value :The “TEMP = ” should be within “E0 - EF”, “F0 - FF”, “00 -0F”, “10 - 1F” and “20 - 2F”.

5-10. LASER POWER ADJUSTMENTCheck the Iop value of the optical pick-up before adjustments.(Refer to 5-8. Recording and Displaying Iop Information.)

Connection :Adjusting Procedure :1. Set the laser power meter on the objective lens of the optical

pick-up. (When it cannot be set properly, press the m buttonor M button to move the optical pick-up.)Connect the digital volt meter to CN105 pin 1 (I+3V) andCN105 pin 2 (IOP).

2. Rotate the l AMS L knob and display “LDPWRADJUST”(C04).(Laser power : For adjustment)

3. Press the YES button once and display “LD 0.9 mW $ ”.4. Rotate the l AMS L knob so that the reading of the laser

power meter becomes the specified value. Press the YESbutton after setting the range knob of the laser power meter, andsave the adjustment results. (“LD SAVE $ ” will be displayedfor a moment.)

5. Then “LD 7.0 mW $ ” will be displayed.6. Rotate the l AMS L knob so that the reading of the

laser power meter becomes the specified value, press theYES button and save it.

Note : Do not perform the emission with 7.0 mW more than 15seconds continuously.

Laser powermeter

Optical pick-upobjective lens

Digital volt meter

BD boardCN105 pin 1 (I+3V)CN105 pin 2 (IOP)

32

MDS-JE770

7. Then, rotate the l AMS L knob and display “LDPWRCHECK”(C13).

8. Press the YES button once and display “LD 0.9 mW $ ”.Check that the reading of the laser power meter become the speci-fied value.

9. Press the YES button once more and display “LD 7.0 mW $”. Check that the reading the laser power meter and digital

volt meter satisfy the specified value.Note down the digital voltmeter reading value.

Specified Value :Laser power meter reading : LD 0.9mW : 0.85-0.91mW (260B)

0.90-0.96mW (260E) LD 7.0mW : 6.90-7.10mW (260B)

7.20-7.30mW (260E)Digital voltmeter reading : Optical pick-up displayed value ± 10%

(Optical pick-up label)

10. Press the MENU/NO button and display “LDPWR CHECK”(C13) and stop the laser emission.(The MENU/NO button is effective at all times to stop thelaser emission.)

11. Rotate the l AMS L knob to display “Iop.Write”(C05).12. Press the YES button. When the display becomes Ref = @@@

.@ (@ is an arbitrary number), press the YES button to display“Measu=@@@.@” (@ is an arbitrary number).

13. The numbers which can be changed will blink. Input the Iopvalue noted down at step 9.To select the number : Rotate the l AMS L knob.To select the digit : Press the l AMS L knob

14. When the YES button is pressed, “Complete!” will be displayedmomentarily. The value will be recorded in the non-volatilememory and the display will become “Iop Write”(C05).

Note 1: After step 4, each time the YES button is pressed, thedisplay will be switched between “LD 0.7 mW $ ”, “LD6.2 mW $ ”, and “LD Wp $ ”. Nothing needsto be performed here.

5-12. TRAVERSE ADJUSTMENTConnection :

Adjusting Procedure :1. Connect an oscilloscope to CN105 pin 4 (TE) and CN105 pin6 (VC) of the BD board.

2. Load a test disc (MDW-74/GA-1). (Refer to Note 1.)3. Press the M button and move the optical pick-up outside the

pit.4. Rotate the l AMS L knob and display “EF MO

ADJUS”(C07).5. Press the YES button and display “EFB = MO-R”.

(Laser power READ power/Focus servo ON/tracking servo OFF/spindle (S) servo ON)

6. Rotate the l AMS L knob so that the waveform of theoscilloscope becomes the specified value.(When the l AMS L knob is rotated, the of “EFB=

” changes and the waveform changes.) In this adjustment,waveform varies at intervals of approx. 2%. Adjust the wave-form so that the specified value is satisfied as much as possible.(Read power traverse adjustment)

(Traverse Waveform)

7. Press the YES button and save the result of adjustment to thenon-volatile memory (“EFB = SAVE” will be displayed for amoment. Then “EFB = MO-W” will be displayed).

8. Rotate the l AMS L knob so that the waveform of theoscilloscope becomes the specified value.(When the l AMS L knob is rotated, the of “EFB- MO-W” changes and the waveform changes.) In this adjustment,waveform varies at intervals of approx. 2%. Adjust the wave-form so that the specified value is satisfied as much as possible.(Write power traverse adjustment)

(Traverse Waveform)

9. Press the YES button, and save the adjustment results in thenon-volatile memory. (“EFB = SAVE” will be displayed fora moment.)

10. “EFB = MO-P”. will be displayed.The optical pick-up moves to the pit area automatically andservo is imposed.

V : 0.5 V/divH : 10 ms/divInput : DC mode

Oscilloscope

BD boardCN105 pin 4 (TE)CN105 pin 6 (VC)

VC

A

B

Specification A = B

VC

A

B

Specification A = B

5-11. Iop NV SAVEWrite the reference values in the nonvolatile memory to perform“Iop compare”. As this involves rewriting the reference values, donot perform this procedure except when adjusting the laser powerduring replacement of the OP and when replacing the IC102.Otherwise the OP check may deteriorate.

Note: Perform this function with the optical pick-up set at roomtemperature.

Procedure1. Rotate the l AMS L knob to display “Iop NV Save”

(C06).2. Press the YES button and display “Iop [stop]”.3. After the display changes to “Iop =xxsave?”, press the YES

button.4. After “Complete!” is displayed momentarily, the display changes

to “Iop 7.0 mW”.5. After the display changes to “Iop=yysave?”, press the YES

button.6. When “Complete!” is displayed, it means that Iop NV saving

has been completed.

KMS260B20101H0576

Iop = 57.6 mA in this caseIop (mA) = Digital voltmeter reading (mV)/1 (Ω)

(For details of the method for checkingthis value, refer to “5-8. Recording andDisplaying IOP Information”.)

R

33

MDS-JE770

11. Rotate the l AMS L knob until the waveform of theoscilloscope moves closer to the specified value.In this adjustment, waveform varies at intervals of approx. 2%.Adjust the waveform so that the specified value is satisfied asmuch as possible.

(Traverse Waveform)

12. Press the YES button, and save the adjustment results in thenon-volatile memory. (“EFB = SAVE” will be displayed fora moment.)Next “EF MO ADJUS” (C07) is displayed. The disc stops ro-tating automatically.

13. Press the A EJECT button and remove the disc.14. Load the check disc (MD) TDYS-1.15. Roteto l AMS L knob and display “EF CD ADJUS”

(C08).16. Press the YES button and display “EFB = CD”. Servo is

imposed automatically.17. Rotate the l AMS L knob so that the waveform of the

oscilloscope moves closer to the specified value.In this adjustment, waveform varies at intervals of approx. 2%.Adjust the waveform so that the specified value is satisfied asmuch as possible.

(Traverse Waveform)

18. Press the YES button, display “EFB = SAVE” for a mo-ment and save the adjustment results in the non-volatile memory.Next “EF CD ADJUS”(C08) will be displayed.

19. Press the A EJECT button and remove the check disc (MD)TDYS-1.

Note 1 : MO reading data will be erased during if a recorded disc isused in this adjustment.

Note 2 : If the traverse waveform is not clear, connect the oscillo-scope as shown in the following figure so that it can beseen more clearly.

5-13. FOCUS BIAS ADJUSTMENTAdjusting Procedure :1. Load a test disk (MDW-74/GA-1).2. Rotate the l AMS L knob and display “CPLAY1

MODE”(C34).3. Press the YES button and display “CPLAY1 MID”.4. Press the MENU/NO button when “C = AD = ” is

displayed.5. Rotate the l AMS L knob and display “FBIAS

ADJUS”(C09).6. Press the YES button and display “ / a = ”.

The first four digits indicate the C error rate, the two digits after[/] indicate ADER, and the 2 digits after [a =] indicate the focusbias value.

7. Rotate the l AMS L knob in the clockwise direction andfind the focus bias value at which the C error rate becomes 220(Refer to Note 2).

8. Press the YES button and display “ / b = ”.9. Rotate the l AMS L knob in the counterclockwise di-

rection and find the focus bias value at which the C error ratebecomes 220.

10. Press the YES button and display “ / c = ”.11. Check that the C error rate is below 20 and ADER is 00. Then

press the YES button.12. If the “( ” in “ - - ( ” is above 20, press the YES

button.If below 20, press the MENU/NO button and repeat theadjustment from step 2.

13. Press the A EJECT button to remove the test disc.

Note 1 : The relation between the C error and focus bias is asshown in the following figure. Find points a and b in thefollowing figure using the above adjustment. The focalpoint position C is automatically calculated from points aand b.

Note 2 : As the C error rate changes, perform the adjustment usingthe average vale.

VC

A

B

Specification A = B

VC

A

B

Specification A = B

330 kΩ

Oscilloscope

10pF

BD boardCN105 pin 4 (TE)CN105 pin 6 (VC)

C error

220

b c a Focus bias value(F. BIAS)

34

MDS-JE770

5-14. ERROR RATE CHECK5-14-1. CD Error Rate Check

Checking Procedure :1. Load a check disc (MD) TDYS-1.2. Rotate the l AMS L knob and display “CPLAY1

MODE”(C34).3. Press the YES button twice and display “CPLAY1 MID”.4. The display changes to “C = AD = ”.5. Check that the C error rate is below 20.6. Press the MENU/NO button, stop playback, press the A EJECT

button, and remove the test disc.

5-14-2. MO Error Rate Check

Checking Procedure :1. Load a continuously recorded test disc (MDW-74/GA-1).

(Refer to “5-5. Using the Continuously Recorded Disc”.)2. Rotate the l AMS L knob and display “CPLAY1

MODE”(C34) .3. Press the YES button and display “CPLAY1 MID”.4. The display changes to “C = AD = ”.5. If the C error rate is below 20, check that ADER is 00.6. Press the MENU/NO button, stop playback, press the A EJECT

button, and remove the test disc.

5-15. FOCUS BIAS CHECKChange the focus bias and check the focus tolerance amount.Checking Procedure :1. Load a continuously recorded test disc (MDW-74/GA-1).

(Refer to “5-5. Using the Continuously Recorded Disc”.)2. Rotate the l AMS L knob and display “CPLAY1

MODE”(C34).3. Press the YES button twice and display “CPLAY1 MID”.4. Press the MENU/NO button when “C = AD = ” is

displayed.5. Rotate the l AMS L knob and display “FBIAS CHECK”

(C16).6. Press the YES button and display “ / c = ”.

The first four digits indicate the C error rate, the two digits after[/] indicate ADR, and the 2 digits after [c =] indicate the focusbias value.Check that the C error is below 20 and ADER is below 2.

7. Press the YES button and display “ / b = ”.Check that the C error is below 100 and ADER is below 2.

8. Press the YES button and display “ / a = ”.Check that the C error is below 100 and ADER is below 2

9. Press the MENU/NO button, next press the A EJECT button,and remove the continuously recorded disc.

Note 1 : If the C error and ADER are above other than the speci-fied value at points a (step 8. in the above) or b (step 7. inthe above), the focus bias adjustment may not have beencarried out properly. Adjust perform the beginning again.

5-16. AUTO GAIN CONTROL OUTPUT LEVELADJUSTMENT

Be sure to perform this adjustment when the Optical pick-up is re-placed.If the adjustment results becomes “Adjust NG!”, the Optical pick-up may be faulty or the servo system circuits may be abnormal.

5-16-1. CD Auto Gain Control Output Level AdjustmentAdjusting Procedure :1. Insert the check disc (MD) TDYS-1.2. Rotate the l AMS L knob to display “AG Set (CD)”

(C11).3. When the YES button is pressed, the adjustment will be

performed automatically.“Complete!!” will then be displayed momentarily when the valueis recorded in the non-volatile memory, after which the displaychanges to “AG Set (CD)”.

4. Press the A EJECT button to remove the disc.

5-16-2. MO Auto Gain Control Output Level Adjustment

Adjusting Procedure :1. Insert the reference disc (MDW-74/GA-1) for recording.2. Rotate the l AMS L knob to display “AG Set (MO)”

(C10).3. When the YES button is pressed, the adjustment will be

performed automatically.“Complete!!” will then be displayed momentarily when the valueis recorded in the non-volatile memory, after which the displaychanges to “AG Set (MO)”(C10).

4. Press the A EJECT button to remove the disc.

35

MDS-JE770

NOTE:It is useful to use the jig. for checking the waveform. (Referto Servicing Note on page 6.)

[BD BOARD] (SIDE B)

D101

IC151

23 1 27 1

1

7

IC101

CN101

CN103 CN102

IC195

IC190

CN105

IC102

*NOTE

5-17. ADJUSTING POINTS AND CONNECTING POINTS

[BD BOARD] (SIDE A)

36

MDS-JE770SECTION 6DIAGRAMS

6-1. CIRCUIT BOARDS LOCATION

KEY-SW board

KB board

HP board

DISPLAY board

BD board

MAIN board

PT board VOL-SEL board (SP model)

• AbbreviationSP : Singapore model

3737

MDS-JE770

THIS NOTE IS COMMON FOR PRINTED WIRINGBOARDS AND SCHEMATIC DIAGRAMS.(In addition to this, the necessary note is printedin each block.)

For schematic diagrams.Note:• All capacitors are in µF unless otherwise noted. pF: µµF

50 WV or less are not indicated except for electrolyticsand tantalums.

• All resistors are in Ω and 1/4 W or less unless otherwise

specified.• f : internal component.• C : panel designation.

For printed wiring boards.Note:• X : parts extracted from the component side.• Y : parts extracted from the conductor side.• a : Through hole.• b : Pattern from the side which enables seeing.(The other layers' patterns are not indicated.)

• A : B+ Line.• B : B– Line.• H : adjustment for repair.• Voltages and waveforms are dc with respect to ground

under no-signal (detuned) conditions. no mark : STOP

( ) : PLAY< > : REC

∗ : Impossible to measure• Voltages are taken with a VOM (Input impedance 10 MΩ).

Voltage variations may be noted due to normal produc-tion tolerances.

• Waveforms are taken with a oscilloscope.Voltage variations may be noted due to normal produc-tion tolerances.

• Circled numbers refer to waveforms.• Signal path.

E : PBj : RECp : PB (DIGITAL OUT)l : REC (DIGITAL IN)

• AbbreviationSP : Singapore model

Caution:Pattern face side: Parts on the pattern face side seen from the(Side B) pattern face are indicated.Parts face side: Parts on the parts face side seen from the(Side A) parts face are indicated.

C

B

These are omitted.

E

Q

B

These are omitted.

C E

B

These are omitted.

C E

Note:The components identi-fied by mark 0 or dottedline with mark 0 are criti-cal for safety.Replace only with partnumber specified.

• WAVEFORMS

– MAIN Board –– BD Board –

1 IC101 ek (RF)

2 IC101 ef (FE)(Play mode)

3 IC101 wh (TE)(Play mode)

4 IC151 qh (OSCI)

5 IC151 wj (LRCK)

6 IC151 wk (XBCK)

7 IC151 o; (FS4)

8 IC171 3

1.3Vp-p

0.2Vp-p

1.6Vp-p

3.1Vp-p

22 nesc

3.2Vp-p

22.6 µsec

3.8Vp-p

354 nsec

22 nsec

5.67 µsec

1.0Vp-p

3.2Vp-p

1 IC1 qd (XOUT)

2 IC550 qs

2.7Vp-p

2.6Vp-p

100 nsec

22 nsec

– DISPLAY Board –

3.2Vp-p

0.4 µsec

1 IC760 yh (OSCO)

MDS-JE770

3838

6-2. BLOCK DIAGRAMS – BD SECTION –

F

C B

D A

E

I J

J

I

B

A

CDE

F

DETECTOR

J

I

ABCD

E

F

LDPD

LASER DIODE

ILCC

PD

OPTICAL PICK-UP(KMS-260B/260E)

AUTOMATICPOWER CONTROL

Q121, 122

APC

PD

APCR

EF

ATAMP B.P.F.

WBL

ADFM ADIN ADFG

ABCDAMP

ABCD

FE

TE

SE

F0CNT

WBL

3TEQCOMMAND

SWDT

SCLK

XLAT

RFO RF AGC& EQ

AGCI

EQ

RF

RF AMP,FOCUS/TRACKING ERROR AMP

IC101

TEMP

MOR

FO

MOR

FI

3T

WBL

AUX

PEAK

BOTM

FOCUS/TRACKING COIL DRIVE,SPINDLE/SLED MOTOR DRIVE

IC141

OUT4F

OUT4RM101

(SPINDLE)

OUT2F

OUT2R

M102(SLED)

OUT1FOUT1R

OUT3FOUT3R

FCS+

FCS–TRK+TRK–

2-AXISDEVICE

(TRA

CKIN

G)

(FOC

US)

IN4R

IN4F

IN2F

IN2R

IN1FIN1R

IN3FIN3R

MOD

SPFD

SPRD

APCR

EF

SFDR

SRDR

FFDRFRDR

TFDRTRDR

PSB

PWM

GEN

ERAT

OR

FROM CPUINTERFACE

DIGITAL SERVOSIGNAL PROCESSOR

IC151 (2/2)

RECP

AUX1

ABCD FE TE SE

PEAK

BOTM

XLRFCKRFDTRF

XLATSCLK

SWDT

FILI

PCO

CLTV

FILO

EFMO ADDT

DATAINC

NC

NC

NC

BUFFER

IC171

IC151 (1/2)TX

ASYO

ASYI

RFI

SCTXHR901

OVER WRITE HEAD

ADFG

F0CNT

SPFD

SPRD

SAMPLINGRATE

CONVERTER

DIGITALAUDIO

INTERFACE

DIN0

DOUT

DIGITAL SIGNAL PROCESSOR,EFM/ACIRC ENCODER/DECODER,

SHOCK PROOF MEMORY CONTROLLER,ATRAC ENCODER/DECODER

IC151 (1/2)

INTERNAL BUS

DADTXBCKLRCK

FS256

OSCI

OSCO

DQSY

SQSY

XINT

SENS

SRDT

SWDT

SCLK

XLAT

MNT

0M

NT1

MNT

2M

NT3

SHOC

KXB

USY

SWDT

SCLK

SWDT

SCLK

XLAT

CH

MNT

1 (S

HOCK

)M

NT2

(XBU

SY)

DIG-RST

SQSY

DQSY

LDON

WR-PWR

MOD

XINT

SENS

SRDT

LDIN

LDOU

T

IN1

IN2

OUT1

OUT2

VZ

LOADINGMOTOR DRIVE

IC440

M103(LOADING)

DQ1

– DQ

4A0

– A

9

D0 –

D3

A00

– A0

9

XOEXWE

XRASXCAS

OEWERASCAS

D-RAM

IC153

DIN1

SYSTEM CONTROLLER

IC1 (1/2)

HF MODULE

ADDT

J631

SP

AEP, UKCOAXIAL IN

DADT, BCK, LRCK

SWDT, SCLK

REFLECT

PROTECT

LD-LOW

SDA

SCL

UNREG+12V

65

LIMIT-IN

OUT-SW

S101(LIMIT IN)

PLAY-SW

• SIGNAL PATH

: PLAY (ANALOG OUT): PLAY (DIGITAL OUT): REC (ANALOG IN): REC (DIGITAL IN)

S103(OUT SW)

S104(PLAY SW)

REC-SWS105

(REC POSITION)

XBCKI

LRCKI

S102(REFLECT/PROTECT DETECT)

HIGH REFELECT RATE/WRITE PROTECT

LOW REFELECT RATE/UN-PROTECT

OVER WRITEHEAD DRIVE

IC181, Q181, 182

WAVESHAPER

IC600

OPTICALRECEIVER

IC611

OPTICALTRANSCEIVER

IC641

DIGITALIN 1

(OPTICAL)

DIGITALIN 2

(OPTICAL)

DIGITALOUT

(OPTICAL)

OPTICALRECEIVER

IC621

11

9

8

4

1

2

48 47

46 40

33

38

37

36

32

35

34

26

28

181716

20

12

3029

567

10LASER ONSWITCH

Q101

LD/PDAMP

I-VAMP

I-VAMP

FOCUSERROR AMP

TRACKINGERROR AMP

RF AMP

B.P.F.

PEAK &BOTTOM

6

8

92

91

8889

8685

8180

83 13 67 65 66 75 74 63 64

82

27

25

2123

1210

1415

1918

29

30

3

4

16

MM

M

AUTOMATICPOWER

CONTROL

DIGITAL SERVOSIGNAL

PROCESS

ANALOG MUX

A/D CONVERTER

SERIAL/PARALLELCONVERTER,

DECODER

AUTOSEQUENCER

V-ICONVERTER

HF MODULESWITCH

IC102, Q131 – 134

100

60

59

62

61

53

54

57

78

79

94 93

10

12 11 14 9 8 5 6 7 1 2 3 4

4347

16

29272826

21

20

19

23

24

22

25

17

4644

223423

15

ADIPDEMODULATOR/

DECODER

SPINDLESERVO

COMPA-RATOR

PLL

FILT

ER

SUBCODEPROCESSOR

EFM

/ACI

RCEN

CODE

R/DE

CODE

R

SHOC

K PR

OOF

MEM

ORY

CONT

ROLL

ER

ATRA

CEN

CODE

R/DE

CODE

R

CPUINTERFACE

MONITORCONTROL

18

57

5254

56

20 25 58 32 33 50 59 4831

XRST

CLOCKGENERATOR

49, 4

8, 5

0, 5

1

1, 2

, 24,

25

34 –

31,

36

– 40

, 45

5, 9

– 1

2, 1

4 –

18

C

D

B

A

67 66

3 6

5

VCC 8

+5VVCC 1

SCL 6

SDA 5

45

60

7 2

55

49

51

53

61

44

M

REFERENCEVOLTAGE SWITCH

Q440,445

+5VD+3V+3.3VREG.

IC190

EEPROM

IC195

MAIN SECTION(Page 39)

MAIN SECTION(Page 39)MAIN SECTION(Page 39)

MAIN SECTION(Page 39)

MDS-JE770

3939

– MAIN SECTION –

X55045.1584MHz

–1

–2

LED DRIVEQ726

ROTARYENCODER

FL DRIVEQ761, 762

D726STANDBY

A/D, D/A CONVERTER

IC500

SDTOADDT

DADT, BCK,LRCK SDTI

A

B

LINE AMP

IC310

MUTINGQ181, 281

MUTINGCONTROL SWITCH

Q380

REMOTE CONTROLRECEIVER

IC740

OSC

J300

RV790PHONELEVEL

D382 D381

ANALOG IN

J790PHONES

J851CONTROL

A1II

R

L

L

ADA,

LATC

HDA

P1 P4 COM

24

COM

23

MUT

E

ADA,

RESE

T

CP CS

AC IN

S990

AC(TO FL750)

TR900POWER

TRANSFORMER

UNREG +12VLOADING MOTOR

DRIVER (IC440) B+

RECTD421

UNREG +12V

Q34KEYBOARD

OFF SWITCH

+5VKB DATA

KB CLK

CLK-CTL

AUDIOCIRCUIT

UNREG –12V

RECTD411,412

BUFFERQ22,822

J780PC LINK

(KEY BOARD)

BUFFERQ21,821

RECTD466–467

RECTD471, 472

79, 80, 2,1 39 – 603 – 37

AD1 – AD4

97,95-93

KEY0 – KEY3

COM01 – COM22

-32V

SEG01 – SEG35

S01

– S3

5

S36

– S3

9

G23

G24

G01

– G2

2

FLUORESCENT INDICATOR TUBEFL750

FL/LED DRIVER

IC760

HIGH-PASS FILTER,DIGITAL

ATTENUATOR

DIGITALATTENUATOR,

SOFT MUTE

A/DCONVERTER

BLOCK

SUB-TRACKTION

D/ACONVERTER

BLOCK

AUDIOINTERFACE

CONTROLLER

CLOCKGENERATOR,

CLOCK DIVIDERCONTROLREGISTERINTERFACE

BICK

LRCK

A1 O

UT

A1 IN

DADT

BCK

LRCK

AINL

AINR

XTI

FLDT

FLCK

FLCS

JOG0

GND SW

JOG1

TIM

ER

P DO

WN

l AMS LPUSH ENTER

S713

S701 – 706, 711, 712,S714-716, 721 – 724,

S726,S731-733

A B

SWDTSCLK

CDTICCLKCS

PD

SIRC

S

OSCIC766, R766

OSCO

MIX AMP

IC360 (1/2)

MIX AMP

IC360 (2/2)

OSC

IC550

LOW-PASSFILTER

IC370 (1/2)

LOW-PASSFILTER

IC370 (2/2)

HEADPHONEAMP

IC390

D

C

SWDT, SCLK

1024FS

S746TIMER

• SIGNAL PATH

RESET

XIN

XOUT

X1510MHz

REC

OFF

PLAY

SYSTEM CONTROLLER

IC1 (2/2)

S.RS

T

13

14

12

11

151617

19

3

2

AOUTL+

AOUTL–26

25

AOUTR+

AOUTR–28

27

9

339 2440

15

13

6869

92

67

62

VD1S

P1

386172

LED DRIVEQ733

D733GROUP

LED DRIVEQ755

D775MD LP

P2

73 75

66

65

70

38 243

STB

A1-O

UT

A1-IN

81

22

21

34

IIC DATA

IIC DATA

GND

GND

IIC CLK

IIC CLK

IIC BUSY

XBUSY

EXT ON

IIC POWER

30

29

23

28

5

3 4

1 2

6

4

45

8887

1 3

1 2 84 19 12

–32VREGULATOR

IC421

–32V(FL DRIVER (IC760) B–)

+3.3VREGULATOR

IC401

RECTD431,432

RECTD401-404

TR950POWER

TRANSFORMER

RELAYDRIVEQ911

MUTING Q190,290

A1 I/OQ851D851

6

IC600(2/2)BUFFER

9

IC406RESET

RESET VCC3 5

D406

+3.3V(SYS)

+3.3V(BACKUP)

D409

D408

BT406LITHIUMBATTERY

CN406

OUT+5V VIN3 1

+3.3VREGULATOR

Q490

IC411+5V

REGULATOR

VT +3.3V(TO IC500)

R

ANALOG OUT

VOLTAGESELECTOR

110-120V 220-230V

BD SECTION(Page 38)

BD SECTION(Page 38)

BD SECTION(Page 38)

BD SECTION(Page 38)

: PLAY (ANALOG OUT): REC (ANALOG IN)

4040

MDS-JE770

MAIN BOARDCN1

(Page 45)

MAIN BOARDCN2

(Page 45)

B A

BD BOARD (SIDE B)

1 2 3

45

Ref. No. Location

D101 A-4

Q101 B-1Q131 C-1Q132 B-1Q133 B-1Q134 B-1

• SemiconductorLocation

Ref. No. Location

D181 D-3D183 D-3

IC101 A-3IC102 B-3IC141 C-1IC151 C-2IC153 C-3IC171 D-2

• SemiconductorLocation

Ref. No. Location

IC181 D-3IC190 D-1IC195 D-2

Q121 B-3Q122 B-3Q181 D-3Q182 D-3

6-3. PRINTED WIRING BOARD – BD Board – • See page 36 for Circuit Board Location. There are a few cases that the part isn’t mounted inmodel is printed on diagram.

BD BOARD (SIDE A)

OPTICAL PICK - UP

HR901OVER

WRITE HEAD

BLOCK(KMS - 260B/260E)

MDS-JE770

4141

6-4. SCHEMATIC DIAGRAM – BD SECTION (1/2) – • See page 37 for Waveforms. • See page 52 for IC Pin Functions. • See page 50 for IC Block Diagrams.

(KMS - 260B/260E)

BDBOARD

(2/2)(Page 42)

BDBOARD

(2/2)(Page 42)

BDBOARD

(2/2)(Page 42)

MDS-JE770

4242

6-5. SCHEMATIC DIAGRAM – BD SECTION (2/2) – • See page 37 for Waveforms. • See page 53 for IC Pin Functions. • See page 50 for IC Block Diagrams.

MAINBOARD(1/2)

CN2(Page 43)

MAINBOARD(1/2)

CN1(Page 43)

BDBOARD

(1/2)(Page 41)

BDBOARD

(1/2)(Page 41)

BDBOARD

(1/2)(Page 41)

MDS-JE770

4343

6-6. SCHEMATIC DIAGRAM – MAIN SECTION (1/2) – • See page 37 for Waveforms. • See page 56 for IC Pin Functions. • See page 51 for IC Block Diagrams.

C177

C277

C261

C161

C520

C490

C58

C491

C492

C501

C505

C515

C516

C517

C522

C524

C531 C532C536

C641

C601

C613

C642

C680

L349

L390

L506

L522

L523

L524

L668

R181

R281

R46

R53

R55

R87

R88

R92

R93

R94

R95

R97

R90

R91

R191

R291R381

R517

R435

R491

R492

R614

R161

R162

R163

R164

R261

R262

R263

R264

R171R172

R271

R165

R265

R113

R213

R115

R215

R176

R276

R177

R277

R178

R278

C113

C176

C213

C276

C311

C316

CN1

CN2

C165

C171

C172

C265

C271

C272

C502

C503

C519

CN3

C523R1

7

C391

C396

IC310(1/ 2)

IC310(2/ 2)

IC370(2/2)

IC370(1/2)

IC360(2/2)

IC360(1/ 2)

C652C651

C658

L551

L552

R551R552

C553

C552

C551

C556

C557

C366

R514

R513

R512

R511

C500

R516

R515

R100

R51

R44

R49

R31

R41

L555

L1µH

C555

L651

C87

C89

R272

C361

C166

R4

C12

R28

C266

R266

R166

C504

C550

C554

L641

C16 C19

R1090

C530

R190

R290

Q190

Q290

IC390(1/ 2)

IC390(2/ 2)

R380

C212

C112R112

R211R212

R111C111

C211

R624

R436

L451

C611

C612

L61110µH

10µH

IC611

C623

IC621

C622

C621

IC641

R437

R613

IC600

R623

Q380

J300

Q281

Q181

D212

CN390

IC550

R554

X550

R556

IC1

R9

R3

R23

R33

R40

R50L666

L662

L660

C657 L658

Q490

D112

C88

C100

C62

R61

X15

L450

C426

D381

D382

EP599

R631

R632 C631J631

L6530µH

0µHL657

D211

D111

IC500

470p

470p

220p

220p

22010V

10006.3V

100p

0.1

0.1

0.1

0.1

100p

100p

100p

0.1

0.1

0.1 0.10.1

0.1

0.01

0.01

4.750V

JUMPER

JUMPER

JUMPER

JUMPER

JUMPER

JUMPER

JUMPER

JUMPER

10k

10k

10k

10k

10k

10k

10k

10k

10k

10k

10k

10k

100k

100k

22

22150k

100

56k

330

1.2k

47k

10k

10k

10k

10k

10k

10k

10k

10k

1.5k1.5k

1.5k

22k

22k

220k

220k

47

47

680

680

100k

100k

330

330

2225V

2225V

2225V

2225V

10016V

10016V

23P

27P

0.0001

0.0047

0.001

0.0001

0.0047

0.001

0.0022

0.0022

0.001

17P

10010V

JW

10016V

10016V

NJM2114D

NJM2114D

NJM2114D

NJM2114D

NJM2114D

NJM2114D

0.10.1

0.1

JUMPER

JUMPER

1M330

4.7p

0.1

10010V

47pF

10pF

10016V

47

47

47

47

22010V

100

100

100k

10k

10k

10k

JUMPER

100k

15p

JUMPER

0.01

0.001

1.5k

10016V

0.0001

JUMPER

0.1

10k

0.0001

22k

22k

10016V

0.1

0.00

1

0.1 0.001

10k

0.1

10k

10k

2SD1915(F)-T(TA). SO

2SD1915(F)-T(TA).SO

NJM4558D

NJM4558D

100k

2225V

2225V15k

33k15k

33k470p

470p

47k

330k

JUMPER

0.1

4.750V

GP1F38R

0.01

GP1F38R

4.750V

0.1

GP1F38T

1k

470k

SN74HCU04AN

470k

UN4111-TA

4P

2SD1915(F)-T(TA).SO

2SD1915(F)-T(TA).SO

1SS119- 25

3P

SN74HCUD4AN

100

45.1584MHz

100

M30803MG-106FP

4.7k

100

10k

JUMPER

JUMPER

JUMPERJUMPER

JUMPER

JUMPER

0.1 JUMPER

2SC945TP-QP

1SS119-25

0.01

1050V

0.1

10k

10MHz

JUMPER

2250V

1SS133-72

1SS1

33T-

72EARTHPLATE

75

1k 0.1

1SS133T-72

1SS133T-72

AK4524

1

2

3

4

5

6

7

9

8

10

11

12

13

14

15

16

17

18

19

20

21

22

PROTECT

PROTECT

REFRECT

REFR

ECT

SDA

SDA

SCL

SCL

EEP-WP

EEP-WP

SHOCK

SHOC

K

XBUSY

XBUSY

SWDT

SWDT

SRDT

SRDT

OUT-SW

OUT-SW

SCLK

SCLK

XLATCH

XLATCH

PLAY-SW

PLAY

-SW

SENS

SENS

DIG-RST

DIG-

RST

REC-SW

REC-

SW

WRPWR

WRP

WR

LIMIT-IN

LIM

IT-IN

LDON

LDON

MOD

MOD

SQSY

DQSY

XINT

XINT

SQSY

DQSY

RMC

FLCK

FLDT

FLCS

JOG 1

JOG 0

TIMER

KEY 3

KEY 2

KEY 1

KEY 0

DADT

ADDT

BCK

LRCK

LATCH

SWDT

SCLK

ADA.RESET

KB.C

LK

KB.D

ATA

IIC B

USY

IIC P

OWER

IIC C

LK

IIC D

ATA

ADDT

LRCK

DADT

BCK

ADA.RESET

SCLK

SWDT

KB.C

TL

LATCHDIN1

DIN0

DOUT

DIN1

DOUT

DIN0

RMC

FLCS

FLCK

FLDT

KEY 0

JOG 0

KEY 1

JOG 1

KEY 2

KEY 3

TIMERKEY3

TIMER

RMC

JOG1

JOG0

KEY0

FLCS

KEY1

FLDT

KEY2

FLCK

PDOWN

DISP.GND

AVSS

SWDT

SRDT

SCLKVREF

KB.CLK-CTL

MUTE

ADA.RESET

ADA.LATCH

EPM

CE

PROTECT

SCL

EEP-WP

XBUSYOUT-SW

XLATCHSTB

REC

FLCS

JOG 0

JOG 1

KEY 0

KEY 1

KEY 2

KEY 3

TIMER

MODEL SEL

DESTINATION

AVCC

IOP

CLIP-TX

CLIP-RX

XBCKI

*

L:DIN1/H:CLIP

NC

*D.VOL 1

*D.VOL 0

*BEEP SW

NC

GND

SDA

PLAY

-SW

REC-

SW

WRP

WR

MOD

LIM

IT IN

LD O

N

SENS

SHOC

K

VCC

REFR

ECT

NC

LOAD

LO

LOAD

OUT

LOAD

INNCNCNCNCNC

MOD

EL 0

*

MOD

EL 1

*

MOD

EL 2

*

MOD

EL 3

*

NC*

NC*

NC*

XOUT

-T

XIN-

T

XIN

GND

XOUT

DQSY

CNVS

S

BYTE

S.RS

T

P.DO

WN

FLDT

FLCK

A1-IN

SIRC

S

KB.C

LK

KB.D

ATA

SQSY

IIC B

USY

A1 O

UT

IIC P

OWER

IIC C

LK

IIC D

ATA

VCC

XINT

LRCK

I

*BEE

P

*NC

* NC

*NC

LIMIT-IN

LD-IN

LD-OUT

PLAY-SW

REC-SW

OUT-SW

D-GND

PROTECT SW

REFRECT SW

MOD

IOP

LDON

XINT

WRPWR

DQSY

SQSY

DIG-RST

SENS

SRDT

XLATCH

SCLK

SWDT

XBUSY

SHCK

EEP-WP

SDA

SCL

M.+5V

M.+5V

M.GND

M.GND

LRCKI

MCLK

MCK.GND

BCK

DADT

LRCK

ADDT

XBCKI

DADTI

D-GND

REG.+5V

D-OUT

H.+5V

H.GND

REG.GND

REG.GND

REG.GND

DIN-0

DIN-1

DIG-

RST

VCOM

AINR

AINL

VREF

AGND

VA

TEST

XTO

XTI

XTALE

LRCK

BICK

SDTO

SDTICDTI

CCLK

CS

CIF

CLKO

VT

VD

DGND

AOUTL-

AOUTL+

AOUTR-

AOUTR+

PD

M/ S

NC

NC

NC

NMI

-32V

AC

AC

SYS+3.3V

HP(L)

HP(R)

GND

1

2

3

1

2

3

2

3

1

2

3

1

2

3

1

2

3ANALOG

OUT

R

L

ANALOGR

LIN

WAVESHAPER

MUTING

CONTROL

SWITCH

MUTING

MUTING

MUTING

MUTING

CONVERTER

AD/DA

OSC

+3.3V

REGULATOR

SYSTEM

CONTROLLER

4

2

31

8

7

5

6 8

76

5

4

3

2

1

8

12

3

4

5

67

OPTICAL

OPTICAL

TRANCIEVER

RECEIVER

OPTICAL

RECEIVER

LINEAMP

FILTERLOW-PASS

MIXAMP

HEADPHONEAMP

8

7

6

5

4

3

2

1

SP

AEP,UK

(CHASSIS)

DIGITAL

IN1

(OPTICAL)

DIGITAL

(OPTICAL)

IN2

DIGITAL

OUT

OPTICAL

SP

AEP,UK

COAXIAL IN

BOARD

BOARD

DISPLAY

CN700

BD

CN102

(Page47)

(Page42)

BOARDHP

CN790(Page47)

(2/2)BOARDMAIN

(Page44)

BOARDBD

CN103(Page42)

(2/2)BOARDMAIN

(Page44)

MDS-JE770

4444

6-7. SCHEMATIC DIAGRAM – MAIN SECTION (2/2) – • See page 51 for IC Block Diagrams.

R434

R407

C402

C412

C424

C442

R425R424

C405

C401

C411

C406

C416

C423

C425

C431C432

L831

Q821

R21 R22R821 R822

R823

R825

R826

R828

R420

R431

R912

R824

R827

R911

R421

C441

R441

R443

R442

C461

C466

R406

JW451

JW452

C404

FB410R423

Q822

D421

Q911

C932C931

C930

D411

D412

D461

D462

D466

D467

C422 C421EP940

C941

C942

IC406

IC411

CN406

BT406

IC421

CN830

IC401

D422

IC440

L834

C940

CN400

FB83

2

FB83

3

FB83

6

FB83

5

Q440

Q445

D409

D408

D406

R432

R433

D433 D431

D432

D401D402

D403 D404

FB4650µH

FB4600µH

Q21

Q34

Q35

R853R854

R851D851R855 R856

R852

C852 C855 C854

C853

C851

Q851

J851

22k

10k

0.1

0.1

0.1

0.01

220220

0.01

1000016V

1000016V

0.3350V

10006.3V

10063V

4750V

3325V

2225V

JUMPER

2SC2603TP-EF

10k 10k10k 10k

10k

10k

10k

10k

JUMPER

100

47k

4.7k

4.7k

2.2k

22k

10016V

22k

22k

15k

100035V

100035V

220

JUMPER

JUMPER

10010V

JW100k

2SC2603TP-EF

11ES2-NTA2

2SD2144S-TP-UVW

0.10.1

0.1

11ES2-NTA2B

11ES2-NTA2B

11ES2-NTA2B

11ES2-NTA2B

11ES2-NTA2B

11ES2-NTA2B

0.1 0.1EARTHPLATE

0.1

0.1

M62016L

M5F7805L

2P

ML1220

M5293L

6P

BA033T

RD4.7EB2

M54641L

JUMPER

0.1

UN4211-TA

2SA1115TP-EF

11EQS04-NTAB2

11EQS04-NTAB2

1SS133T-72

680

220

1SS119-72 1SS119-72

1SS119-72

11EQS04-NTA2B11EQS04-NTA2B

11EQS04-NTA2B 11EQS04-NTA2B

UN4211-TA

UN4211-TA

UN4211-TA

10k10

5.6k1SS133T-72JUMPER JUMPER

4.7k

0.1 0.1 0.1

0.1

0.1

2SC2603TP-EFA1 I/O

20

15

16

17

18

19

11

12

13

14

10

6

7

8

9

1

2

3

4

5

22

21

KB.DATA

KB.CLK

KB.CTL

IIC B

USY

IIC P

OWER

IIC D

ATA

IIC C

LK

GND

+5V

IIC/KB CLK

IIC/KB DATA

IIC POWER

IIC BUSY

RESET

LOADING DRIVER

1

5

11

A1

CONTROL

VOLTAGE

SWITCH

Q440,445

REFERENCE

+3.3V

REGULATOR

REGULATOR

+5V

REGULATOR

BUFFER

BUFFER

BUFFER

BUFFER

OFF SWITCH

KEYBOARD

(CHASSIS)

DRIVE

RELAY

-32V

(CHASSIS)

(1/2)BOARDMAIN

(Page43)

BOARDKB

CN2780(Page47)

BOARDPT

CN921(Page49)

MDS-JE770

4545

BD BOARDCN103

(Page 40)B

BD BOARDCN102

(Page 40)A

DISPLAYBOARDCN700 (Page 46)

C

HP BOARDCN790

(Page 46)

D

11(11)1-681-740-

MAIN BOARD

KB BOARDCN2780

(Page 46)

E

PT BOARDCN921

(Page 48)

F

(CHASSIS)

SP AEP,UK

SP

2 3 4 5 6 7 8 9 10 11 12

A

1

B

C

D

E

F

G

H

IC1

IC550

IC500

R51

R4

R40

JW121

L451

R41

C58

C62

R9

JW120

JW15

1

C426

R100

R90

R53

R88

R87

R95

JW127

L450

R61

JW129

JW14

9

BT406

JW17

5

R97

JW15

4

R17

R109

0

C16

R50

R49

R44

R55

JW15

3

R33

JW146

JW128

X15

JW15

0

JW126

R31

JW13

1

JW145

JW14

7

R46

JW13

8

CN3

C88 C89

C87

R91

R94

JW122

R93R92

JW18

4

JW18

6 R28

JW13

9

C19

JW124

C536

C532

C531

JW19

0

JW233

C530

CN1

C111 C211

R111

R211

R112

R212

R113

R213

C112 C212

C177 C277

IC31

0

C311

C316

R178

R278

R181

R281

R177

R277

Q181 Q281

JW16

1

JW20

8JW24

2

CN40

6

L522

JW17

6

JW160

JW159

JW25

2

JW25

3

JW21

1

JW228

JW17

9

JW10

1

JW109JW110JW155JW156

JW24

6

JW157

JW219

JW25

0

JW236

R3

R912

JW21

2 L390

R380

JW22

9

JW14

1

JW112

JW107

L524

JW19

7

JW218

C524

Q380

JW168

JW14

2

JW209

L506

C651

JW111

L666

R823

JW232

L658

D432

L668

L653

L660

JW174

J300

IC611IC621IC641

C492

R492

R852

R855

R853

R854

R852

R856

R491

C491

JW21

3

D433

R434

C432C431 R433

IC401IC406

D409

D408D4

06

R407

R406

C406

C405

C404

C402

R431R4

32

JW24

8

C425

D422R425

R424 R4

23

R421

R420

C424C423

C422

C421

IC421

J631COAXIAL IN

L R L RANALOG OUT ANALOG IN

JW19

8

JW19

6

JW18

5

R23

CN2

JW15

2

JW13

3JW

134

JW13

5JW

136

JW13

7

JW169JW170JW171JW172

C12

JW18

7

JW125

JW116JW117JW118JW119

JW113JW11

5

JW148

JW144

JW13

2

D381

JW18

9

Q911

3 2 1

E

JW244

C658

JW17

8

JW24

3

JW24

9

JW18

1

JW106

JW23

9

D382

R911

JW18

2

JW108

JW105

JW220JW221JW222JW223JW224JW225JW226

JW23

0

JW227

L662

JW21

6

JW158

JW24

1

JW23

7

C416

D421

C490

JW23

4

JW18

8C176 C276

R176

R276

IC37

0IC

360

C171 C271

C172

EE

C272

R172 R272

R171 R271

C361

C366

C166

C266

R166

R266

R165 R265

C165C265

R163

R164R264R263

R161

R261

R162

R262

JW25

1

C161

C412

C261

IC411

Q490

JW16

2

L523 C113 C213

R115

R215

D112

JW11

4

C100

C550

JW143

R515

JW24

7

JW217

JW19

4

C519

R517

JW18

0

IC39

0C5

15

JW14

0

C391

L349

C396JW

192

R191

JW19

5

R291

C657

JW20

1

R190

R290

L651

R516

L552

Q190

JW19

3

C516

Q290

CN3903 1

JW104

C523

C501

EP559

C500

JW103

R381

L555

JW17

7

C551

JW18

3

C552

C555

C554

C553

R556

JW20

0

R552 R551

D111

X550

JW24

0

D211

C517

C504

L657

C505

JW19

1

C522

C520

L551

IC600

JW231

IC440 C442

C441R441R442

R443Q445 Q440

JW21

5

C942

C941

C940

C932

C931

C930

D412

D467

D466

D462

D461

D411

D404 D403

D402 D401

C652

1 232 22

JW202

1

4 2

3

5

Q34

Q22

Q21

Q822

Q821

R828

R827

R826

R825

R824

D431

R822

R821

R22

R21

L834

EE

E E E

L831

CN830

JW24

5

Q851

R851

JW452

JW451

JW23

5 L641

C612

C601

C851

C855

C853

L611

C641

C623

C642

E

C621

OUT INOPTICALDIGITAL

C613

C622

C611C631

R437

R436R435 R624

R623

R614

R613

R632

AEP,UK

R631

JW130

JW16

7

D212

JW16

6

CN400

JW173

JW16

4JW

163

JW23

8

C401

C411

JW19

9

C466

C461

FB46

5

FB460

EP940

JW261

C503

C502

JW21

0

JW123

FB410

FB83

2

FB83

3

FB83

5

FB83

6

R514

R513

R512

R511

R554

C556

C557

IN

J851CONTROL

A1

14 1

1

45

8

1

45

8

1

45

81

1

100

50

51

8180

3031

E

E148

17E

45

8

15 28

1

11

E E

1 8 1 5

11 2 3

5

E

D851

3 2 1 3 2 1 3 2 1

D111 A-11D112 B-11D211 A-11D212 B-11D381 F-8

D382 E-7D401 D-2D402 D-2D403 E-2D404 E-2

D406 E-5D408 E-5D409 D-5D411 F-1D412 F-1

D421 E-3D422 D-6D431 D-1D432 D-1D433 D-5

D461 G-1D462 G-1D466 G-1D467 G-1D851 F-7

IC1 D-8IC310 E-11IC360 D-11IC370 E-11IC390 E-10

IC401 E-5IC406 E-6IC411 F-3IC421 C-5IC440 C-4

IC500 B-11IC550 B-10IC600 F-9IC611 G-9IC621 G-8

IC641 G-8

Q21 G-4Q22 G-4Q34 G-4Q181 F-10Q190 D-10

Q281 F-11Q290 D-10Q380 F-10Q440 C-4Q445 C-4

Q490 F-5Q821 G-4Q822 G-4Q851 G-7Q911 E-3

6-8. PRINTED WIRING BOARD – MAIN SECTION – • See page 36 for Circuit Board Location.

Ref. No. Location

• SemiconductorLocation

There are a few cases that the part isn’t mounted inmodel is printed on diagram.

MDS-JE770

4646

Ref. No. Location

D726 F-1D733 E-4D775 C-7

IC740 F-3IC760 A-4

Q726 E-6Q733 E-5Q761 A-7Q762 A-7Q775 B-2

6-9. PRINTED WIRING BOARD – DISPLAY SECTION – • See page 36 for Circuit Board Location. There are a few cases that the part isn’t mounted inmodel is printed on diagram.

MAINBOARDCN390

(Page 45)

D

11(11)

1-681-743-

11(11)1-681-744-

HP BOARD

KB BOARDMAINBOARDCN830

(Page 45)

E MAINBOARD

CN3(Page 45)

C

KEY–SW BOARD

11(11)

1-681-742-

11(11)

1-681-741-

DISPLAY BOARD

A

z

XH

MM

x

l L

FLUORESCENTDISPLAY

TUBE

2 3 4 5 6 7 8 9 10 11 12 13

A

1

B

C

D

E

F

REC OFF PLAYOUT GND VCC

E E

8

1

16

(CHASSIS)

MDS-JE770E51499

3

1

3 2 1

5 4

JW72

1

S711MENU/

NO

S712YES

S701REC

S702

S703S704

S716REC MODE

S715INPUT

S706 S705

D775MDLP CN700

JW704

R702

R713

JW72

4

JW732

R712

R721

JW731

S714CLEAR

R706

JW72

5

R716

R715

R703

R705

R714

C751

JW739

JW73

4

CN710

JW729

JW702

JW73

0

JW737

JW72

0

C769

JW706JW705

C767

C700

JW738

JW73

5

R704

LP750

JW728

R770

FL750

C760

JW71

9

Q761

R768

C768

JW709

JW710

JW71

3

R769

JW71

6

C761

R775

LP710

JW71

4

JW71

2

JW71

5 C771

R766

C766

C770

R763

Q762

R762

JW717

JW736

JW71

1

C762

JW707JW718

JW72

2

Q775

R761R7

67

R764

JW727

JW701

JW72

6

LP719

JW708

JW723

C753

JW703

JW733LP720

C720

IC760

R178

1L7

81

L785

R178

5

R782

L783

J780

L178

4

L178

3

R786

L784

CN2780

L1782

L1786

JW75

2

R173

3

R722

JW75

1

R741

CN720

R726

S726I/

S722PLAY MODE

S723REPEAT

S724LEVEL/

DISPLAY/CHAR

R742

D733

D726STANDBY

S746TIMER

IC740

R732

R725

R172

6

C743

R733

R747

Q726Q733

C742

JW75

0

C740

S731TIME

S732GROUP

SKIP

S733GROUP

R723 R724

LP730LP740

R791

RV790

RV790PHONELEVEL

J790PHONES

C791

CN790

L799L1790

C796

R796

S721EJECT S713

AMSPUSH ENTER

5

34

12

6

PC LINKKEY BOARD

1

2021

41 40

6061

80

7371

E

8

1

21

E

E

• SemiconductorLocation

MDS-JE770

4747

6-10. SCHEMATIC DIAGRAM – DISPLAY SECTION –

R714 R713 R712

R732

R705 R704 R703 R702

R747

R706

C791

R724 R723 R722

C768C770

C766

R770

R764R763

R761

R762

C760

R733

C743

R741

R715R716

R791

D775

R1726 R1733

C751 C753

CN790R796 C796

CN700

CN2780

C767

C771

L1782

L1784

L1786

L784

L785

R782

R786

R1781

R1785

S722S723S726

S731S732S733

S746

S701S702S703S704S705S706

S711S712S714S715S716

S721

L17900µH

C761 C762

CN720 CN710

R775

R725R726

C700

R769

R768

R767

R766

L1783

D733D726

C742

S724

IC740

Q761

Q762

L799 J790

IC760

J780

C769

FL750

R742

L783

L781

S713

Q775

Q726Q733

C720

LP730 LP740

C730

C740

RV790

4.7k 3.3k 2.2k

2.2k

10k 4.7k 3.3k 2.2k

10k

33k

470p

4.7k 3.3k 2.2k

0.0010.001

39p

100

100k100k

100

100

226.3V

3.3k

0.01

100

10k33k

10

SEL5821A-TP15

220 220

1050V

1050V

WIRE(3P)10 470p

17P

6P

0.1

0.1

JUMPER

JUMPER

JUMPER

JUMPER

JUMPER

100

100

220

220

0.001 0.001

8P 8P

220

47kJW

226.3V

100

100

100

3.3k

JUMPER

SEL5821A-TP15SEL5221S-TP15

10010V

NJL74H400A

2SC2603TP-EF

2SC2603TP-EF

JW

MSM9201-04GS-K

0.001

47

JUMPER

JUMPER

ENCODER

UN4211-TA

UN4211-TAUN4211-TA

0.1

0.1

0.1

1k/1k

G01

G02

G03

G04

G05

G06

G07

G08

G09

G10

G11

G12

G13

G14

G15

G16

G17

G18

G19

G20

G21

G22

S37

S38

S39

S01

S02

S03

S04

S05

S06

S07

S08

S09

S10

S11

S12

S13

S14

S15

S16

S17

S18

S19

S20

S21

S22

S23

S24

S25

S26

S27

S28

S29

S30

S31

S32

S33

S34

S35

S37

G03

G04

G05

G06

G07

G08

G09

G10

G11

G12

G13

G14

G15

G16

G17

G18

G19

G21

G20

S36

G22

S19

S20

S21

S22

S23

S24

S25

S26

S27

S28

S29

S30

S31

S32

S33

S34

S35

G01

G02

S18

S17

S16

S15

S14

S13

S12

S11

S10

S09

S08

S07

S06

S05

S04

S03

S02

S01

S38

S39

S36

YES

TIMER

MENU/NOCLEAR

REPEAT

AD3

AD4

SEG0

1

SEG0

2

SEG0

3

SEG0

4

SEG0

5

SEG0

6

SEG0

7

SEG0

8

HP(L)

GND

HP(R)

G23

G24

REC

PLAY

OFF

TIME

SEG1

8

SEG1

7

SEG1

6

SEG1

5

SEG1

4

SEG1

3

SEG1

2

SEG1

1

SEG1

0

SEG0

9

SEG19

SEG20

SEG21

SEG22

SEG23

SEG24

SEG25

SEG26

SEG27

SEG28

SEG29

SEG30

SEG31

SEG32

SEG33

SEG34

SEG35

VDISP1

COM01

COM02

COM

03

COM

04

COM

05

COM

06

COM

07

COM

08

COM

09

COM

10

COM

11

COM

12

COM

13

COM

14

COM

15

COM

16

COM

17

COM

18

COM

19

COM

20

COM

21

COM

22

AD2

AD1

VDISP2

NC

VFL2

P4

P3

P2

P1

VDD

DA

CP

CS

RESET

OSCO

OSCI

GND

VFL1

COM24

COM23

KEY3

KEY2

RM

GND

TIMER

KEY3

KEY2

RM

GND

TIMER

GND

IIC BUSY

IIC DATA

IIC CLK

STBY.5V

TIMER

KEY3

IIC POWER

INPUTREC MODE

ALBUM LED

POWER LED POWER LED

ALBUM LED

3.3V 3.3V

P.DOWN

SYS 3.3

AC

AC

-32

DISPLAY.GND

RMC

FLCS

FLDT

KEY0

JOG0

KEY1

KEY2

JOG1

FCLK

FLUORESCENTINDICATOR

TUBE

GROUP

GROUP GROUP SKIP

LEVEL/DISPLAY/CHAR

I/

MD LP

/PUSH ENTER

AMS EJECT

PLAY MODE

REC

LED DRIVELED DRIVE

STANDBY

FL/LED

FL DRIVE

FL DRIVE

LED DRIVE

PHONES

(KEY BOARD)

PC LINK

DRIVER

REMOTE

CONTROL

RECEIVER

PHONE LEVEL

(CHASSIS)

(CHASSIS)

BOARDMAIN(1/2)

CN3(Page43)

BOARD

BOARDMAIN(2/2)

CN830

MAIN(1/2)

CN390(Page43)

(Page44)

MDS-JE770

4848

6-11. PRINTED WIRING BOARD – POWER SECTION – • See page 36 for Circuit Board Location. There are a few cases that the part isn’t mounted inmodel is printed on diagram.

MAIN BOARDCN400

(Page 45)

FAC IN

11(11)1-681-739-

PT BOARD

*

* NOT REPLACEABLE: BUILT IN TRANSFORMER

2 3 4 5 6 7 8

A

1

B

C VOL–SEL BOARD

11(11)1-681-745-

220–240V 110–120V

S990VOLTAGE SELECTOR

D

TR900

C910

RY910

LF900

C901

JW903

D910

JW90

4

C952

C924

JW901

CN900

LP900

C923

EP900

JW902

C951

CN921

11

1

TR950

CN990

SP

EXCEPT SP

1 2 3 4 5

11

13

12

11

10

9

8

76

1

CN950

2

2

2

3

3

4

4

4

5

5

MDS-JE770

4949

6-12. SCHEMATIC DIAGRAM – POWER SECTION –

(Page 44)

MAINBOARD (2/2)

CN400

MDS-JE770

5050

6-13. IC BLOCK DIAGRAMS

IC101 CXA2523AR (BD BOARD)

IC151 CXD2662R (BD BOARD)

IC141 BH6519FS-E2 (BD BOARD)

32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

GND VG

IN4R

IN4F

VM4

OUT4

F

PGND

4

OUT4

R

VM34

OUT3

R

PGND

3

OUT3

F

VM3

IN3F

IN3R PS

B

CAPA

–

CAPA

+

IN2R

IN2F

VM2

OUT2

F

PGND

2

OUT2

R

VM12

OUT1

R

PGND

1

OUT1

F

VM1

IN1F

IN1R

V DD

CHARGEPUMP.

OSC

INTERFACE AMP

INTERFACE AMP

AMP INTERFACE

PREDRIVEPREDRIVE

PREDRIVEPREDRIVE

AMP

INTERFACEAMPAMPAMP

VDD

PSB

AMP

–1

–2

+–IVR BB

+–IVR AA

+–IVR CC

+–IVR DD

+–IVR

+–

EE EE'

EFB TESW

PTGR

48

MOR

FO

47

MOR

FI

46

RFO

45

OPN

44

OPO

43

ADDC

42

COM

PP

41

COM

PO

40

AGCI

39

RF A

GC

38

RF

37

PEAK

36 BOTM

35 ABCD

34 FE

33 AUX

32 ADFG

31 ADAGC

30 ADIN

29 ADFM

28 SE

27 CSLED

26 TE

25 WBLADJ

24

VCC

23

3TAD

J

22

EQAD

J

21

VREF

20

F0CN

T

19

XSTB

Y

18

XLAT

17

SCLK

16

SWDT

15

TEM

PR

14

TEM

PI

13

GND

12APCREF

11APC

10PD

9F

8E

7D

6C

5B

4A

3VC

VI CONV

BGR

VREFSCRI - PARA

DECODE

+ –

–+AUXSW

COMMAND

+–IVR

GSW

+–

FF

FBAL

FF'

TG

SEA–+–+

–1

–2

TG

TEA

WBL

3T

EQ

––++

++––

––––

DET

ADIPAGCWBL

BPF22

BPFCABCDA

FEA

WBL

ATA

–+CVB

+ –RFA1

––––

1

2

–––

12

GRVA

OFST

RFA2

GRV

HLPT

PTGR

–2

–1

–1

–2

BOTTOM

PEAK

RF AGC EQ

EQDET

P-P

WBL

3T WBLTEMP

PBH

–+

USROP

+– USRC

3T

BPF3T

PEAK3T1I

2J

RFA3

PBSW

AUXSW

IV

ESWEBAL

100 99 98 97 96 95 94 93

EFM

O

DVSS

TEST

3

TEST

2

TEST

1

TEST

0

SPFD

SPRD

92

SFDR

91

SRDR

90

FS4

89

FRDR

88

FFDR

87

DVDD

86

TFDR

85

TRDR

84

LDDR

83

APCR

EF

82

DTRF

81

CKRF

80

XLRF

79

F0CN

T

78

ADFG

77

APC

76

DCHG

75 TE

74 SE

73 AVSS

72 ADRB

71 ADRT

70 AVDD

69 ADIO

62 CLTV

61 FILO

60 FILI

59 PCO

57 RFI

58 AVSS

56 BIAS

55 AVDD

54 ASYI

53 ASYO

52 MVCI

51 D3

68 VC

67 AUX1

66 FE

65 ABCD

64 BOTM

63 PEAK

50

D2

49

D0

48

D1

47

XWE

46

XRAS

45

A09

44

XCAS

43

XOE

42

DVSS

41

A11

40

A08

39

A07

38

A06

37

A05

36

A04

35

A10

34

A00

33

A01

32

A02

31

A03

30

DVDD

28

XBCK

29

FS25

6

26

DADT

27

LRCK

24XBCKI

25ADDT

23LRCKI

22DATAI

21DOUT

20DIN1

19DIN0

18XTSL

17OSCO

16OSCI

15TX

14XINT

13RECP

12DQSY

11SQSY

10XRST

9SENS

8SRDT

7XLAT

6SCLK

5SWDT

4MNT3

3MNT2

2MNT1

1MNT0

PWMGENERATOR

AUTO

SEQU

ENCE

R

SERVODSP

CPU I/F

MONITORCONTROL

SPINDLESERVO

EACHBLOCK

EACHBLOCK

DIGITALAUDIO

I/F

SAMPLINGRATE

CONVERTER

CLOCKGENERATOR

SUBCODEPROCESSOR

EACHBLOCK

A/DCONVERTER

ANALOGMUX

EFM

/ACI

RCEN

CODE

R/DE

CODE

R

APC

PLL

SHOCK RESISTANTMEMORY CONTROLLER

ATRAC/ATRAC3ENCODER/DECODER

DRAM

ADIPDEMODULATOR/

DECODER

COMP

ADDRESS/DATA BUS A00 - A11, D0 - D3

51

MDS-JE770

IC500 AK4524 (MAIN BOARD)

IC440 M54641L (MAIN BOARD)

VCOM

AINR

AINL

2

1

3

VREF 4

TEST 7

XTI 9XTALE 10

XTO 8

SDTI 14

LRCK 11BICK 12

SDTO 13

AGND 5VA 6

A/DCONVERTER

BLOCK

D/ACONVERTER

BLOCK

CLOCKGENERATOR& DIVIDER

AUDIOINTERFACE

CONTROLLERCDTI15

CIF18

CLKO21

AOUTL+26AOUTL–25

DGND24VD23VT22

AOUTR+28AOUTR–27

PD19M/S20

CS17CCLK16

CONTROLREGISTERINTERFACE

H.P.F.D-ATT

D-ATT,S-MUTE

REG

CONTROL

INPUTAMP.

INPUTAMP.

12

3

4 56

7

8

POWER AMP.

POWER AMP.

VCC

OUT1

IN2VZGND

IN1

OUT2VCC

IC421 M5293L (MAIN BOARD)

2

5

5k

+

–

27k

OVERCURRENTLIMITTER

OVERHEATPROTECTION

REFERENCEVOLTAGE

GND

ON/OFF

VIN

REFERENCEVOLTAGE

VOUT3

4

1

52

MDS-JE770

6-14. IC PIN FUNCTION DESCRIPTION• IC101 CXA2523AR RF Amplifier (BD BOARD)

Pin No. Pin Name I/O Description

I

J

VC

A to F

PD

APC

APCREF

GND

TEMPI

TEMPR

SWDT

SCLK

XLAT

XSTBY

F0CNT

VREF

EQADJ

3TADJ

Vcc

WBLADJ

TE

CSLED

SE

ADFM

ADIN

ADAGC

ADFG

AUX

FE

ABCD

BOTM

PEAK

RF

RFAGC

AGCI

COMPO

COMPP

ADDC

OPO

OPN

RFO

MORFI

MORFO

I

I

O

I

I

O

I

—

I

O

I

I

I

I

I

O

I

I

I

I

O

—

O

O

I

—

O

O

O

O

O

O

O

—

I

O

I

—

O

I

O

I

O

I-V converted RF signal I input

I-V converted RF signal J input

Middle point voltage (+1.5V) generation output

Signal input from the optical pick-up detector

Light amount monitor input

Laser APC output

Reference voltage input for setting laser power

Ground

Temperature sensor connection

Reference voltage output for the temperature sensor

Serial data input from the CXD2662R

Serial clock input from the CXD2662R

Latch signal input from the CXD2662R “L”: Latch

Stand by signal input “L”: Stand by

Center frequency control voltage input of BPF22, BPF3T, EQ from the CXD2662R

Reference voltage output (Not used)

Center frequency setting pin for the internal circuit EQ

Center frequency setting pin for the internal circuit BPF3T

+3V power supply

Center frequency setting pin for the internal circuit BPF22

Tracking error signal output to the CXD2662R

External capacitor connection pin for the sled error signal LPF

Sled error signal output to the CXD2662R

FM signal output of ADIP

ADIP signal comparator input ADFM is connected with AC coupling

External capacitor connection pin for AGC of ADIP

ADIP duplex signal output to the CXD2662R

I3 signal/temperature signal output to the CXD2662R

Focus error signal output to the CXD2662R

Light amount signal output to the CXD2662R

RF/ABCD bottom hold signal output to the CXD2662R

RF/ABCD peak hold signal output to the CXD2662R

RF equalizer output to the CXD2662R

External capacitor connection pin for the RF AGC circuit

Input to the RF AGC circuit The RF amplifier output is input with AC coupling

User comparator output (Not used)

User comparator input (Fixed at “L”)

External capacitor pin for cutting the low band of the ADIP amplifier

User operation amplifier output (Not used)

User operation amplifier inversion input (Fixed at “L”)

RF amplifier output

Groove RF signal is input with AC coupling

Groove RF signal output

1

2

3

4 - 9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

• AbbreviationAPC: Auto Power ControlAGC: Auto Gain Control

53

MDS-JE770

MNT0 (FOK)

MNT1 (SHCK)

MNT2 (XBUSY)

MNT3 (SLOC)

SWDT

SCLK

XLAT

SRDT

SENS

XRST

SQSY

DQSY

RECP

XINT

TX

OSCI

OSCO

XTSL

DIN0

DIN1

DOUT

DADTI

LRCKI

XBCKI

ADDT

DADT

LRCK

XBCK

FS256

DVDD

A03 to A00

A10

A04 to A08

A11

DVSS

XOE

XCAS

A09

XRAS

XWE

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31 - 34

35

36 - 40

41

42

43

44

45

46

47

• IC151 CXD2662R Digital Signal Processor, Digital Servo Signal Processor (BD BOARD)

DesriptionPin No. Pin Name I/O

O

O

O

O

I

I (S)

I (S)

O (3)

O (3)

I (S)

O

O

I

O

O

I

O

I

I

I

O

I

I

I

I

O

—

O

O

I

O

O

O

O

—

O

O

O

O

O

Not used (open)

Track jump detection signal output to the system control

In the state of executire command signal output

Not used (open)

Writing data signal input from the system control

Serial clock signal input from the system control

Serial latch signal input from the system control

Reading data signal output to the system control

Internal status (SENSE) output to the system control

Reset signal input from the system control “L”: Reset

Subcode Q sync (SCOR) output to the system control

“L” is output every 13.3 msec. Almost all, “H” is output

Digital In U-bit CD format or MD format subcode Q sync (SCOR) output to the system

control

Laser power switching input from the system control “H”: Recording, “L”: Playback

Interrupt status output to the system control

Recording data output enable input from the system control

System clock input (512Fs=22.5792 MHz)

System clock output (512Fs=22.5792 MHz) (Not used)

System clock frequency setting “L”: 45.1584 MHz, “H”: 22.5792 MHz (Fixed at “H”)

Digital audio input (Optical input)

Digital audio input (Optical input) (Not used)

Digital audio output (Optical output) (Not used)

Serial data input

LR clock input “H” : Lch, “L” : R ch

Serial data clock input

Data input from the A/D converter

Data output to the D/A converter

LR clock output for the A/D and D/A converter (44.1 kHz)

Bit clock output to the A/D and D/A converter (2.8224 MHz)

11.2896 MHz clock output (Not used)

+3V power supply (Digital)

DRAM address output

DRAM address output (Not used)

DRAM address output

DRAM address output (Not used)

Ground (Digital)

Output enable output for DRAM

CAS signal output for DRAM

Address output for DRAM

RAS signal output for DRAM

Write enable signal output for DRAM

* I (S) stands for Schmidt input, I (A) for analog input, O (3) for 3-state output, and O (A) for analog output in the column I/O

54

MDS-JE770

DescriptionPin No. Pin Name I/O

48

49

50, 51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

D1

D0

D2, D3

MVCI

ASYO

ASYI

AVDD

BIAS

RFI

AVSS

PCO

FILI

FILO

CLTV

PEAK

BOTM

ABCD

FE

AUX1

VC

ADIO

AVDD

ADRT

ADRB

AVSS

SE

TE

DCHG

TEST4

ADFG

F0CNT

XLRF

CKRF

DTRF

APCREF

TEST0

TRDR

Data input/output for DRAM

Clock input from an external VCO (Fixed at “L”)

Playback EFM duplex signal output

Playback EFM comparator slice level input

+3V power supply (Analog)

Playback EFM comparator bias current input

Playback EFM RF signal input

Ground (Analog)

Phase comparison output for the recording/playback EFM master PLL

Filter input for the recording/playback EFM master PLL

Filter output for the recording/playback EFM master PLL

Internal VCO control voltage input for the recording/playback EFM master PLL

Light amount signal peak hold input from the CXA2523AR

Light amount signal bottom hold input from the CXA2523AR

Light amount signal input from the CXA2523AR

Focus error signal input from the CXA2523AR

Auxiliary A/D input

Middle point voltage (+1.5V) input from the CXA2523AR

Monitor output of the A/D converter input signal (Not used)

+3V power supply (Analog)

A/D converter operational range upper limit voltage input (Fixed at “H”)

A/D converter operational range lower limit voltage input (Fixed at “L”)

Ground (Analog)

Sled error signal input from the CXA2523AR

Tracking error signal input from the CXA2523AR

Connected to +3V power supply

Test input (Fixed at “H”)

ADIP duplex FM signal input from the CXA2523AR (22.05 ± 1 kHz)

Filter f0 control output to the CXA2523AR

Control latch output to the CXA2523AR

Control clock output to the CXA2523AR

Control data output to the CXA2523AR

Reference PWM output for the laser APC

PWM output for the laser digital APC (Not used)

Tracking servo drive PWM output (–)

I/O

I/O

I/O

I (S)

O

I (A)

I

I (A)

I (A)

—

O (3)

I (A)

O (A)

I (A)

I (A)

I (A)

I (A)

I (A)

I (A)

I (A)

O (A)

I

I (A)

I (A)

—

I (A)

I (A)

I (A)

I

I (S)

O

O

O

O

O

O

O

• AbbreviationEFM: Eight to Fourteen ModulationPLL : Phase Locked LoopVCO: Voltage Controlled Oscillator

55

MDS-JE770

DescriptionPin No. Pin Name I/O

86

87

88

89

90

91

92

93

94

95

96 - 98

99

100

TFDR

DVDD

FFDR

FRDR

FS4

SRDR

SFDR

SPRD

SPFD

FGIN

TEST1 to TEST3

DVSS

EFMO

O

I

O

O

O

O

O

O

O

I (S)

I

—

O

Tracking servo drive PWM output (+)

+3V power supply (Digital)

Focus servo drive PWM output (+)

Focus servo drive PWM output (–)

176.4 kHz clock signal output (X’tal) (Not used)

Sled servo drive PWM output (–)

Sled servo drive PWM output (+)

Spindle servo drive PWM output (–)

Spindle servo drive PWM output (+)

Test input (Fixed at “L”)

Ground (Digital)

EFM output when recording

• AbbreviationEFM: Eight to Fourteen Modulation

56

MDS-JE770

1 FLDT O Serial data signal output to the display driver.

2 FLCK O Serial clock signal output to the display driver. L: Active

3 A1-IN I A1 Control input.

4 SIRCS I Remote control input.

5 - 7 NC — Not used.

8 BYTE I Data bus changed input. (Connected to ground.)

9 CNVSS — Ground.

10 XIN-T I Not used . (open)

11 XOUT-T O Not used . (open)

12 S.RST I System rest input. L : reset

13 XOUT O Main clock output. (10MHz)

14 GND — Ground.

15 XIN I Main clock input. (10MHz)

16 VCC I Power supply. (+3.3V)

17 NMI I Fixed at H.

18 DQSY I Digital In U-bit format or MD format subcode Q sync (SCOR) input to CXD2662R.

19 P.DOWN I Power down detection input. L: Power down

20 SQSY I Subcode Q (SCOR) sync input from CXD2662R.

21 KB.CLK O Keyboard clock output.

22 KB.DATA I Keyboard data output.

23 IIC BUSY I IIC busy signal input.

24 A1 OUT O A1 control signal output.

25 XINIT I Interrupt status input from CXD2662R.

26 *BEEP O Not used. (open)

27 LRCKI O Not used. (open)

28 IIC POWER O IIC start-up check.

29 IIC CLK O IIC serial clock output.

30 IIC DATA I/O IIC serial data input/output.

31 SWDT O Writing data signal output to CXD2662R and AK4524.

32 SRDT I Reading data signal input from CXD2662R.

33 SCLK O Clock signal output to CXD2662R and AK4524.

34 KB.CLK-CTRL O Keyboard clock ON/OFF signal output.

35 CLIP-TX O Not used. (open)

36 CLIP-RX I Not used. (open)

37 XBCK1 O Not used. (open)

38 MUTE O Line out muting output. L: Mute

39 ADA.RESET O Reset signal output to the AK4524. L: Active

DescriptionPin NamePin No. I/O

• IC1 M30803MG-106FP SYSTEM CONTROL (MAIN BOARD)

57

MDS-JE770

40 ADA. LATCH O Chip select signal output to the AK4524. L: Active

41 EPN I Not used. (Fixed at L)

42 L : DINT1/H : CLIP — Not used. (open)

43 NC — Not used.

44 PROTECT I Recording-protection claw detection input from the protection detection switch. H: Protect

45 SCL O Clock signal output to the EEP-ROM.

46 CE I Not used. (Fixed at H)

47 EEP-WP O EEP-ROM write protect signal output. L: write possibility

48 XBUSY I Busy signal input from the CXD2662R

49 OUT-SW I Detection signal input from the loading out detection switch.

50 XLATCH O Latch signal output to CXD2662R.

51 PLAY-SW I Detection signal input from the playback position detection switch. L: PLAY

52 DIG-RST O Digital rest signal output to the CXD2662R and motor driver. L: Reset

53 REC-SW I Detection signal input from the recording position detection switch. L: REC

54 WR PWR O Laser power ON/OFF signal output. L: PLAY H: REC

55 LIMIT-IN I Detection input from the limit switch. L: Sled limit-In H: Sled limit-Out

56 MOD O Laser modulation switching signal output. (L: STOP, H : PLAY, pluse : REC)

57 LDON O Laser ON/OFF control output. H: Laser ON

58 SENS I Internal status (SENSE) input from the CXD2662R.

59 SHOCK I Track jump signal input from the CXD2662R.

60 SDA I/O Data signal input/output pin with the EEP-ROM.

61 REFLECT I Disk reflection rate detection input from the reflect detection switch. H: Disk with low reflection rate.

62 VCC I Power supply. (+3.3V)

63 NC — Not used.

64 GND — Ground.

65 LOAD LO O Loading motor voltage control output

66 LOAD OUT O Loading motor control output. H: eject

67 LOAD IN O Loading motor control output. H: loading

68 - 71 MODEL SEL 0 - 3 — Not used.

72 - 80 NC — Not used.

DescriptionPin NamePin No. I/O

58

MDS-JE770

81 STB O Strobe signal output to the power supply circuit. H: Power supply ON: L: standby

82 BEEP SW — Not used.

83 REC — Not used.

84 FLCS O Chip select signal output to the MSM9202 (IC760)

85, 86 D.VOL0,1 — Not used.

87, 88 JOG0, JOG1 I Jog dial pulse input from the rotary encoder.

89 IOP I Optical Pick-up voltage (current) detect signal input.

90 DISTINATION I Model discrimination.

91 MODEL SEL I Model discrimination.

92 TIMER I Timer select signal input

93 KEY3 I Key input pin (A/D input)

94, 95 KEY2, 1 I Key input pin (A/D input)

96 AVSS — Ground. (Analog)

97 KEY0 I Key input pin (A/D input)

98 VREF I A/D reference voltage.

99 AVCC I Power supply. (+3.3V)

100 NC I Not used. (Fixed at L)

DescriptionPin NamePin No. I/O

59

MDS-JE770

DescriptionPin NamePin No. I/O

1, 2 AD3, AD4 O Fluorescent display tube (FL760) anode electrode drive

3-37 SEG1-35 O Fluorescent display tube (FL760) segment electrode drive

38 VDISP1 I Power supply for fluorescent display tube (FL760) drive

39-62 COM1-24 O Fluorescent display tube (FL760) grid electrode drive

63 VFL1 I Power supply for fluorescent display tube (FL760) drive

64 GND — Ground

65 OSC0 I Input for CR oscillation

66 OSC1 O Output for CR oscillation

67 RESET I Reset input

68 CS I Chip select signal input from system controller (IC1)

69 CP I Shift clock signal input from system controller (IC1)

70 DA I Serial data signal input from system controller (IC1)

71 VDD I Power supply

72 P1 O LED drive signal output

73 P2 O LED drive signal output

74 P3 O LED drive signal output Not used in this set (NC)

75 P4 O LED drive signal output

76 VFL2 I Power supply for fluorescent display tube (FL760) drive

77 NC — Not used

78 VDISP2 I Power supply for fluorescent display tube (FL760) drive

79, 80 AD3, AD4 O Fluorescent display tube (FL760) anode electrode drive

• IC760 MSM9201-04GS-K FL DRIVER (DISPLAY BOARD)

60

MDS-JE770

7-1. CHASSIS SECTION

Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks

SECTION 7EXPLODED VIEWS

NOTE:• -XX, -X mean standardized parts, so they may

have some differences from the original one.• Items marked “*” are not stocked since they

are seldom required for routine service. Somedelay should be anticipated when ordering theseitems.

• The mechanical parts with no reference numberin the exploded views are not supplied.

• Hardware (# mark) list and accessories andpacking materials are given in the last of thisparts list.

• Color indication of Appearance PartsExample :KNOB, BALANCE (WHITE)• • • (RED)

↑ ↑Parts color Cabinet's color

• AbbreviationSP : Singapore model

The components identified by mark 0 ordotted line with mark 0 are critical for safety.Replace only with part number specified.

98

7

7

8

8

10

Mechanism section(MDM-7A)

TR900

not supplied

SP

not supplied

not supplied

not supplied

#1#1

#1

#1

#1#1#1

#1#1

#1

#1

7

4

7 65

6 11

1217

17SP

UK13

14

15 15

16

15

3

2

1Front panel section

8

18

2

1

1 X-4953-448-1 FOOT ASSY2 4-232-237-01 FOOT (DIA. 30)3 4-233-025-61 PANEL, BACK (AEP)3 4-233-025-81 PANEL, BACK (SP)3 4-236-047-11 PANEL, BACK (UK)

4 9-910-999-31 RIVET (DIA. 3), NYLON5 1-681-739-11 PT BOARD6 4-221-887-11 SCREW, +PTTWH (M3) (S) TITE7 4-228-689-01 INSULATOR8 4-228-643-11 SCREW (+BVTTWH M3), STEP

9 1-792-811-11 WIRE (FLAT TYPE) (23 CORE)10 1-757-928-11 WIRE (FLAT TYPE) (27 CORE)

* 11 3-703-244-00 BUSHING (2104), CORD012 1-777-071-41 CORD, POWER

13 A-2007-925-A MAIN BOARD, COMPLETE (AEP,UK)

13 A-2007-931-A MAIN BOARD, COMPLETE (SP)* 14 1-569-972-21 SOCKET, SHORT 2P

15 4-210-291-01 SCREW (CASE 3 TP2)...(BLACK)15 4-210-291-11 SCREW (CASE 3 TP2)...(SILVER)16 4-232-149-31 CASE (408226)...(BLACK)

16 4-232-580-31 CASE (408226)...(SILVER)017 1-569-008-21 ADAPTOR, CONVERSION (SP)017 1-770-019-11 ADAPTOR, CONVERSION PLUG 3P (UK)

18 1-681-745-11 VOL-SEL BOARD (SP)0TR900 1-437-339-11 TRANSFORMER, POWER (AEP,UK)

0TR900 1-437-340-11 TRANSFORMER, POWER (SP)

61

MDS-JE770

7-2. FRONT PANEL SECTION

Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks

suppliedwith RV790

59 5454

54

54

63 54

54

60

6261

64

51

52

54

57

56

54

5453

55

58

65

supplied with J790

not supplied

not supplied

FL750

51 X-4953-713-1 PANEL ASSY, FRONT...(BLACK)51 X-4953-714-1 PANEL ASSY, FRONT...(SILVER)52 3-931-378-01 KNOB (F10)...(BLACK)52 3-931-378-31 KNOB (F10)...(SILVER)53 1-681-744-11 KB BOARD

54 4-951-620-01 SCREW (2.6X8), +BVTP55 1-681-743-11 HP BOARD56 4-228-630-01 SPRING (LID), TENSION COIL57 4-228-629-81 LID (MD)...(BLACK)57 4-230-848-21 LID (MD)...(SLVER)

58 4-971-774-01 KNOB (TIMER)...(BLACK)

58 4-971-774-31 KNOB (TIMER)...(SILVER)59 1-681-742-11 KEY-SW BOARD60 A-2007-926-A DISPLAY BOARD, COMPLETE (AEP,UK)60 A-2007-932-A DISPLAY BOARD, COMPLETE (SP)

* 61 4-955-901-01 CUSHION (FL)* 62 4-996-686-01 HOLDER (FL)

63 1-757-930-11 WIRE (FLAT TYPE) (17 CORE)64 4-231-928-01 KNOB (AMS)...(BLACK)64 4-231-928-11 KNOB (AMS)...(SILVER)

65 3-354-981-11 SPRING (SUS), RINGFL750 1-517-987-11 INDICATOR TUBE, FLUORESCENT

62

MDS-JE770

7-3. MECHANISM SECTION-1(MDM-7A)

Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks

#2

304305

306302

301

307

305

320

302

311

319

312

310

309

314

313

315

316

318303

317

308

* 301 4-996-267-01 BASE (BU-D)302 4-231-319-01 SCREW (2X6) CZN, +B (P) TRI303 4-227-007-01 GEAR (SB)304 4-227-025-01 BELT (LOADING)305 3-372-761-01 SCREW (M1.7), TAPPING

306 4-227-002-01 GEAR, PULLEY307 4-226-999-01 LEVER (HEAD)308 X-4952-665-1 SPRING (SHT) ASSY, LEAF309 A-4672-990-F LOCK (HOLDER)310 4-229-533-01 SPRING (STOPPER), TORSION

311 4-231-118-01 SPRING (HOLDER), TENSION312 4-227-019-02 PLATE (HOLDER) ASSY, RETAINER313 4-227-013-01 SPRING (EJ), TENSION314 4-226-995-01 SLIDER (EJ)315 4-226-996-01 LIMITTER (EJ)

316 4-226-997-04 SLIDER317 4-226-998-01 LEVER (CHG)318 4-227-006-01 GEAR (SA)319 A-4735-075-A HOLDER ASSY320 4-226-994-01 GUIDE (L)

63

MDS-JE770

7-4. MECHANISM SECTION-2(MDM-7A)

The components identified bymark 0 or dotted line with mark0 are critical for safety.Replace only with part numberspecified.

Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks

359

358

357355

354

356

360

359 362

352

353353

351

363

352353

362

HR901

S102

M101

M103

not supplied

M102

#3

#3

352

353

361

364 367

365

368

366

351 A-4725-471-A BD BOARD, COMPLETE352 4-231-319-01 SCREW (2X6) CZN, +B (P) TRI353 3-372-761-01 SCREW (M1.7), TAPPING354 4-226-993-01 RACK355 4-227-014-01 SPRING (RACK), COMPRESSION

356 4-226-992-01 BASE, SL357 1-678-514-11 FLEXIBLE BOARD

0358 A-4672-541-A OPTICAL PICK-UP KMS-260E359 4-988-560-01 SCREW (+P 1.7X6)360 4-996-265-01 SHAFT, MAIN

361 4-226-989-01 CHASSIS

362 4-232-270-01 SCREW (1.7X3.5), +PWH363 4-226-990-01 BASE (BU-A)364 4-227-023-01 SPRING (SPINDLE), TORSION365 4-227-004-01 GEAR (LC)

366 4-227-005-01 GEAR (LD)367 4-227-009-01 GEAR (SD)368 4-227-008-01 GEAR (SC)HR901 1-500-670-11 HEAD, OVER LIGHTM101 A-4672-898-A MOTOR ASSY, SPINDLE

M102 A-4735-076-A MOTOR ASSY, SLEDM103 A-4735-074-A MOTOR ASSY, LOADINGS102 1-771-957-11 SWITCH, PUSH (2 KEY) (REFLECT/PROTECT SW)

64

Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks

MDS-JE770 SECTION 8ELECTRICAL PARTS LIST

Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks

NOTE:• Due to standardization, replacements in the

parts list may be different from the partsspecified in the diagrams or the componentsused on the set.

• -XX, -X mean standardized parts, so theymay have some difference from the originalone.

• Items marked “*” are not stocked since theyare seldom required for routine service.Some delay should be anticipated whenordering these items.

• CAPACITORS:uF: µF

• RESISTORSAll resistors are in ohms.METAL: metal-film resistorMETAL OXIDE: Metal Oxide-film resistorF: nonflammable

• COILSuH: µH

• SEMICONDUCTORSIn each case, u: µ, for example:uA...: µA... , uPA... , µPA... ,uPB... , µPB... , uPC... , µPC... ,uPD..., µPD...

• AbbreviationSP : Singapore model

When indicating parts by reference number,please include the board name.

The components identified by mark 0 ordotted line with mark 0 are critical for safety.Replace only with part number specified.

BD

A-4725-471-A BD BOARD, COMPLETE*****************

<CAPACITOR>

C101 1-135-259-11 TANTAL.CHIP 10uF 20% 6.3VC102 1-135-259-11 TANTAL.CHIP 10uF 20% 6.3VC103 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC104 1-164-227-11 CERAMIC CHIP 0.022uF 10% 25VC105 1-115-416-11 CERAMIC CHIP 0.001uF 5% 25V

C106 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC107 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC108 1-162-969-11 CERAMIC CHIP 0.0068uF 10% 25VC109 1-164-677-11 CERAMIC CHIP 0.033uF 10% 16VC110 1-163-038-00 CERAMIC CHIP 0.1uF 25V

C111 1-117-720-11 CERAMIC CHIP 4.7uF 10VC112 1-110-563-11 CERAMIC CHIP 0.068uF 10% 16VC113 1-162-968-11 CERAMIC CHIP 0.0047uF 10% 50VC114 1-125-837-11 CERAMIC CHIP 1uF 10% 6.3VC115 1-162-966-11 CERAMIC CHIP 0.0022uF 10% 50V

C116 1-164-227-11 CERAMIC CHIP 0.022uF 10% 25VC117 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC118 1-165-176-11 CERAMIC CHIP 0.047uF 10% 16VC119 1-165-176-11 CERAMIC CHIP 0.047uF 10% 16VC120 1-164-156-11 CERAMIC CHIP 0.1uF 25V

C121 1-164-156-11 CERAMIC CHIP 0.1uF 25VC125 1-117-720-11 CERAMIC CHIP 4.7uF 10VC128 1-164-156-11 CERAMIC CHIP 0.1uF 25VC131 1-117-720-11 CERAMIC CHIP 4.7uF 10VC132 1-164-156-11 CERAMIC CHIP 0.1uF 25V

C133 1-164-156-11 CERAMIC CHIP 0.1uF 25VC141 1-126-206-11 ELECT CHIP 100uF 20% 6.3VC142 1-164-156-11 CERAMIC CHIP 0.1uF 25VC143 1-164-156-11 CERAMIC CHIP 0.1uF 25VC144 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25V

C145 1-164-156-11 CERAMIC CHIP 0.1uF 25VC151 1-117-370-11 CERAMIC CHIP 10uF 10VC152 1-164-156-11 CERAMIC CHIP 0.1uF 25VC153 1-164-156-11 CERAMIC CHIP 0.1uF 25VC154 1-126-206-11 ELECT CHIP 100uF 20% 6.3V

C155 1-164-156-11 CERAMIC CHIP 0.1uF 25VC156 1-164-156-11 CERAMIC CHIP 0.1uF 25VC157 1-164-156-11 CERAMIC CHIP 0.1uF 25VC158 1-162-927-11 CERAMIC CHIP 100PF 5% 50VC159 1-162-927-11 CERAMIC CHIP 100PF 5% 50V

C160 1-162-927-11 CERAMIC CHIP 100PF 5% 50VC161 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC162 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC163 1-125-891-11 CERAMIC CHIP 0.47uF 10% 10VC164 1-162-927-11 CERAMIC CHIP 100PF 5% 50V

C165 1-162-968-11 CERAMIC CHIP 0.0047uF 10% 50VC166 1-125-891-11 CERAMIC CHIP 0.47uF 10% 10VC167 1-164-245-11 CERAMIC CHIP 0.015uF 10% 25VC169 1-164-156-11 CERAMIC CHIP 0.1uF 25VC171 1-164-156-11 CERAMIC CHIP 0.1uF 25V

C172 1-164-156-11 CERAMIC CHIP 0.1uF 25VC180 1-117-370-11 CERAMIC CHIP 10uF 10VC181 1-126-206-11 ELECT CHIP 100uF 20% 6.3VC182 1-163-038-00 CERAMIC CHIP 0.1uF 25VC183 1-164-156-11 CERAMIC CHIP 0.1uF 25V

C184 1-117-970-11 ELECT CHIP 22uF 20% 10VC185 1-131-872-11 CERAMIC CHIP 1000PF 10% 630VC191 1-126-206-11 ELECT CHIP 100uF 20% 6.3VC192 1-164-156-11 CERAMIC CHIP 0.1uF 25VC193 1-126-206-11 ELECT CHIP 100uF 20% 6.3V

C194 1-164-156-11 CERAMIC CHIP 0.1uF 25VC195 1-164-156-11 CERAMIC CHIP 0.1uF 25VC196 1-164-156-11 CERAMIC CHIP 0.1uF 25VC1401 1-117-720-11 CERAMIC CHIP 4.7uF 10V

<CONNECTOR>

CN101 1-766-833-21 CONNECTOR, FFC/FPC (ZIF) 21PCN102 1-784-835-21 CONNECTOR, FFC (LIF(NON-ZIF)) 27PCN103 1-784-834-21 CONNECTOR, FFC (LIF(NON-ZIF)) 23P

* CN104 1-580-055-21 PIN, CONNECTOR (SMD) 2PCN105 1-784-859-21 CONNECTOR, FFC (LIF(NON-ZIF)) 7P

<DIODE>

D101 8-719-988-61 DIODE 1SS355TE-17D181 8-719-080-81 DIODE FS1J6D183 8-719-080-81 DIODE FS1J6

<IC>

IC101 8-752-080-95 IC CXA2523ARIC102 8-759-473-51 IC TLV2361CDBVIC141 8-759-836-79 IC BH6519FS-E2IC151 8-752-404-64 IC CXD2662RIC153 8-759-671-27 IC MSM51V4400E-70TS-K

IC171 8-759-096-87 IC TC7WU04FU(TE12R)IC181 8-759-481-17 IC MC74ACT08DTR2

65

Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks

MDS-JE770BD

IC190 8-759-460-72 IC BA033FP-E2IC195 8-759-640-41 IC BR24C08F-E2

<JUMPER RESISTOR>

JW201 1-216-295-91 SHORT 0JW202 1-216-295-91 SHORT 0JW203 1-216-295-91 SHORT 0JW903 1-216-295-91 SHORT 0JW904 1-216-295-91 SHORT 0

<COIL>

L101 1-500-245-11 FERRITE 0uHL102 1-500-245-11 FERRITE 0uHL103 1-500-245-11 FERRITE 0uHL105 1-414-235-22 FERRITE 0uHL106 1-500-245-11 FERRITE 0uH

L121 1-500-245-11 FERRITE 0uHL122 1-500-245-11 FERRITE 0uHL131 1-500-245-11 FERRITE 0uHL141 1-216-296-91 CONDUCTOR CHIP 0L142 1-216-296-91 CONDUCTOR CHIP 0

L143 1-216-296-91 CONDUCTOR CHIP 0L144 1-216-296-91 CONDUCTOR CHIP 0L145 1-216-296-91 CONDUCTOR CHIP 0L146 1-469-855-21 FERRITE 0uHL147 1-469-855-21 FERRITE 0uH

L161 1-500-245-11 FERRITE 0uHL171 1-500-245-11 FERRITE 0uHL180 1-469-855-21 FERRITE 0uHL181 1-469-855-21 FERRITE 0uHL182 1-500-245-11 FERRITE 0uH

L183 1-216-296-11 SHORT 0L184 1-216-296-11 SHORT 0

<TRANSISTOR>

Q101 8-729-403-35 TRANSISTOR UN5113-TXQ121 8-729-403-35 TRANSISTOR UN5113-TXQ122 8-729-101-07 TRANSISTOR 2SB798-T1DKQ131 8-729-026-53 TRANSISTOR 2SA1576A-T106-QRQ132 8-729-903-10 TRANSISTOR FMW1-T-148

Q133 8-729-402-93 TRANSISTOR UN5214-TXQ134 8-729-402-93 TRANSISTOR UN5214-TXQ181 8-729-018-75 TRANSISTOR 2SJ278MYTRQ182 8-729-017-65 TRANSISTOR 2SK1764KYTR

<RESISTOR>

R101 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR102 1-216-853-11 METAL CHIP 470K 5% 1/16WR103 1-216-863-11 RES-CHIP 3.3M 5% 1/16WR104 1-216-853-11 METAL CHIP 470K 5% 1/16WR105 1-216-825-11 METAL CHIP 2.2K 5% 1/16W

R106 1-216-825-11 METAL CHIP 2.2K 5% 1/16WR107 1-216-825-11 METAL CHIP 2.2K 5% 1/16WR108 1-216-833-11 METAL CHIP 10K 5% 1/16WR109 1-216-845-11 METAL CHIP 100K 5% 1/16WR110 1-216-845-11 METAL CHIP 100K 5% 1/16W

R111 1-216-833-11 METAL CHIP 10K 5% 1/16WR112 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR113 1-216-833-11 METAL CHIP 10K 5% 1/16WR114 1-216-827-11 METAL CHIP 3.3K 5% 1/16WR115 1-216-833-11 METAL CHIP 10K 5% 1/16W

R116 1-216-839-11 METAL CHIP 33K 5% 1/16WR117 1-216-837-11 METAL CHIP 22K 5% 1/16WR118 1-218-855-11 METAL CHIP 2.2K 0.5% 1/16WR119 1-218-863-11 METAL CHIP 4.7K 0.5% 1/16WR120 1-218-889-11 METAL CHIP 56K 0.5% 1/16W

R121 1-218-863-11 METAL CHIP 4.7K 0.5% 1/16WR122 1-218-855-11 METAL CHIP 2.2K 0.5% 1/16WR123 1-216-819-11 METAL CHIP 680 5% 1/16WR124 1-216-809-11 METAL CHIP 100 5% 1/16WR125 1-216-815-11 METAL CHIP 330 5% 1/16W

R126 1-216-819-11 METAL CHIP 680 5% 1/16WR127 1-216-845-11 METAL CHIP 100K 5% 1/16WR128 1-219-724-11 METAL CHIP 1 1% 1/4WR129 1-216-298-00 METAL CHIP 2.2 5% 1/10WR130 1-216-829-11 METAL CHIP 4.7K 5% 1/16W

R131 1-216-833-11 METAL CHIP 10K 5% 1/16WR132 1-216-841-11 METAL CHIP 47K 5% 1/16WR133 1-216-821-11 METAL CHIP 1K 5% 1/16WR134 1-216-821-11 METAL CHIP 1K 5% 1/16WR135 1-216-821-11 METAL CHIP 1K 5% 1/16W

R136 1-216-295-91 SHORT 0R138 1-216-833-11 METAL CHIP 10K 5% 1/16WR150 1-216-833-11 METAL CHIP 10K 5% 1/16WR151 1-216-833-11 METAL CHIP 10K 5% 1/16WR154 1-216-833-11 METAL CHIP 10K 5% 1/16W

R155 1-216-864-11 METAL CHIP 0 5% 1/16WR156 1-216-864-11 METAL CHIP 0 5% 1/16WR157 1-216-809-11 METAL CHIP 100 5% 1/16WR158 1-216-809-11 METAL CHIP 100 5% 1/16WR159 1-216-833-11 METAL CHIP 10K 5% 1/16W

R160 1-216-833-11 METAL CHIP 10K 5% 1/16WR161 1-216-833-11 METAL CHIP 10K 5% 1/16WR163 1-216-809-11 METAL CHIP 100 5% 1/16WR164 1-216-809-11 METAL CHIP 100 5% 1/16WR165 1-216-809-11 METAL CHIP 100 5% 1/16W

R167 1-216-833-11 METAL CHIP 10K 5% 1/16WR168 1-216-845-11 METAL CHIP 100K 5% 1/16WR169 1-216-855-11 METAL CHIP 680K 5% 1/16WR170 1-216-827-11 METAL CHIP 3.3K 5% 1/16WR171 1-216-821-11 METAL CHIP 1K 5% 1/16W

R173 1-216-821-11 METAL CHIP 1K 5% 1/16WR174 1-216-811-11 METAL CHIP 150 5% 1/16WR175 1-216-857-11 METAL CHIP 1M 5% 1/16WR176 1-216-809-11 METAL CHIP 100 5% 1/16WR179 1-216-295-91 SHORT 0

R181 1-216-841-11 METAL CHIP 47K 5% 1/16WR182 1-216-841-11 METAL CHIP 47K 5% 1/16WR183 1-216-841-11 METAL CHIP 47K 5% 1/16WR184 1-220-942-11 METAL CHIP 3.3 1% 1/4WR185 1-220-942-11 METAL CHIP 3.3 1% 1/4W

R195 1-216-833-11 METAL CHIP 10K 5% 1/16WR196 1-216-833-11 METAL CHIP 10K 5% 1/16WR197 1-216-833-11 METAL CHIP 10K 5% 1/16WR218 1-216-864-11 METAL CHIP 0 5% 1/16W

<SWITCH>

S101 1-762-596-21 SWITCH, PUSH (1 KEY) (LIMIT IN SW)S103 1-771-956-21 SWITCH, PUSH (1 KEY) (OUT SW)S104 1-771-955-21 SWITCH, PUSH (1 KEY) (PLAY SW)S105 1-771-955-21 SWITCH, PUSH (1 KEY) (REC SW)

******************************************************

66

Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks

MDS-JE770DISPLAY HP KEY-SW

A-2007-926-A DISPLAY BOARD, COMPLETE (AEP,UK)A-2007-932-A DISPLAY BOARD, COMPLETE (SP)

***********************

* 4-955-901-01 CUSHION (FL)* 4-996-686-01 HOLDER (FL)

<CAPACITOR>

C700 1-126-153-11 ELECT 22uF 20% 6.3VC720 1-164-159-11 CERAMIC 0.1uF 50VC751 1-124-261-00 ELECT 10uF 20% 50VC753 1-124-261-00 ELECT 10uF 20% 50VC760 1-126-153-11 ELECT 22uF 20% 6.3V

C761 1-162-294-31 CERAMIC 0.001uF 10% 50VC762 1-162-294-31 CERAMIC 0.001uF 10% 50VC766 1-162-213-31 CERAMIC 39PF 5% 50VC767 1-164-159-11 CERAMIC 0.1uF 50VC768 1-162-294-31 CERAMIC 0.001uF 10% 50V

C769 1-162-294-31 CERAMIC 0.001uF 10% 50VC770 1-162-294-31 CERAMIC 0.001uF 10% 50VC771 1-164-159-11 CERAMIC 0.1uF 50V

<CONNECTOR>

CN700 1-779-554-21 CONNECTOR, FFC (LIF(NON-ZIF))17PCN710 1-568-669-11 CONNECTOR, BOARD TO BOARD 8P

<DIODE>

D775 8-719-046-39 LED SEL5821A-TP15 (MD LP)

<FLUORESCENT INDICATOR TUBE>

FL750 1-517-987-11 INDICATOR TUBE, FLUORESCENT

<IC>

IC760 8-759-680-17 IC MSM9201-04GS-K

<TRANSISTOR>

Q761 8-729-620-05 TRANSISTOR 2SC2603TP-EFQ762 8-729-620-05 TRANSISTOR 2SC2603TP-EFQ775 8-729-900-80 TRANSISTOR UN4211-TA

<RESISTOR>

R702 1-249-421-11 CARBON 2.2K 5% 1/4W FR703 1-247-843-11 CARBON 3.3K 5% 1/4WR704 1-249-425-11 CARBON 4.7K 5% 1/4W FR705 1-249-429-11 CARBON 10K 5% 1/4WR706 1-249-435-11 CARBON 33K 5% 1/4W

R712 1-249-421-11 CARBON 2.2K 5% 1/4W FR713 1-247-843-11 CARBON 3.3K 5% 1/4WR714 1-249-425-11 CARBON 4.7K 5% 1/4W FR715 1-249-429-11 CARBON 10K 5% 1/4WR716 1-249-435-11 CARBON 33K 5% 1/4W

R761 1-247-807-31 CARBON 100 5% 1/4WR762 1-247-807-31 CARBON 100 5% 1/4WR763 1-249-441-11 CARBON 100K 5% 1/4WR764 1-249-441-11 CARBON 100K 5% 1/4WR766 1-247-843-11 CARBON 3.3K 5% 1/4W

R767 1-247-807-31 CARBON 100 5% 1/4WR768 1-247-807-31 CARBON 100 5% 1/4WR769 1-247-807-31 CARBON 100 5% 1/4WR770 1-247-807-31 CARBON 100 5% 1/4W

R775 1-249-409-11 CARBON 220 5% 1/4W F

<SWITCH>

S701 1-762-875-21 SWITCH, KEYBOARD (REC z )S702 1-762-875-21 SWITCH, KEYBOARD ( x )S703 1-762-875-21 SWITCH, KEYBOARD ( M )S704 1-762-875-21 SWITCH, KEYBOARD ( m )S705 1-762-875-21 SWITCH, KEYBOARD ( X )

S706 1-762-875-21 SWITCH, KEYBOARD ( G )S711 1-762-875-21 SWITCH, KEYBOARD (MENU/NO)S712 1-762-875-21 SWITCH, KEYBOARD (YES)S713 1-475-235-21 ENCODER, ROTARY ( l AMS L /PUSH

ENTER)S714 1-762-875-21 SWITCH, KEYBOARD (CLEAR)

S715 1-762-875-21 SWITCH, KEYBOARD (INPUT)S716 1-762-875-21 SWITCH, KEYBOARD (REC MODE)S721 1-762-875-21 SWITCH, KEYBOARD (EJECT A )

******************************************************

1-681-743-11 HP BOARD********

<CAPACITOR>

C791 1-162-290-31 CERAMIC 470PF 10% 50VC796 1-162-290-31 CERAMIC 470PF 10% 50V

<JACK>

J790 1-770-307-11 JACK (LARGE TYPE) (PHONES)

<COIL>

L1790 1-412-473-21 INDUCTOR 0uH

<RESISTOR>

R791 1-249-393-11 CARBON 10 5% 1/4W FR796 1-249-393-11 CARBON 10 5% 1/4W F

<VARIABLE RESISTOR>RV790 1-225-590-11 RES, VAR, CARBON 1K/1K (PHONE LEVEL)

******************************************************

1-681-744-11 KB BOARD********

<JACK>

J780 1-785-945-21 CONNECTOR, DIN (PC LINK (KEY BOARD))

<RESISTOR>

R782 1-247-807-31 CARBON 100 5% 1/4WR786 1-247-807-31 CARBON 100 5% 1/4WR1781 1-249-409-11 CARBON 220 5% 1/4W FR1785 1-249-409-11 CARBON 220 5% 1/4W F

******************************************************

1-681-742-11 KEY-SW BOARD************

<CAPACITOR>

C730 1-164-159-11 CERAMIC 0.1uF 50VC740 1-164-159-11 CERAMIC 0.1uF 50VC742 1-124-584-00 ELECT 100uF 20% 10VC743 1-162-306-11 CERAMIC 0.01uF 20% 16V

KB

67

Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks

MDS-JE770MAIN

<CONNECTOR>

CN720 1-766-739-11 CONNECTOR, BOARD TO BOARD 8P

<DIODE>D726 8-719-046-44 LED SEL5221S-TP15 (STANDBY)D733 8-719-046-39 LED SEL5821A-TP15 (GROUP)

<IC>

IC740 8-759-826-34 IC NJL74H400A

<TRANSISTOR>

Q726 8-729-900-80 TRANSISTOR UN4211-TAQ733 8-729-900-80 TRANSISTOR UN4211-TA

<RESISTOR>

R722 1-249-421-11 CARBON 2.2K 5% 1/4W FR723 1-247-843-11 CARBON 3.3K 5% 1/4WR724 1-249-425-11 CARBON 4.7K 5% 1/4W FR725 1-249-437-11 CARBON 47K 5% 1/4WR732 1-249-421-11 CARBON 2.2K 5% 1/4W F

R733 1-247-843-11 CARBON 3.3K 5% 1/4WR741 1-247-807-31 CARBON 100 5% 1/4WR742 1-249-401-11 CARBON 47 5% 1/4W FR747 1-249-429-11 CARBON 10K 5% 1/4WR1726 1-249-409-11 CARBON 220 5% 1/4W F

R1733 1-249-409-11 CARBON 220 5% 1/4W F

<SWITCH>

S722 1-762-875-21 SWITCH, KEYBOARD (PLAY MODE)S723 1-762-875-21 SWITCH, KEYBOARD (REPEAT)S724 1-762-875-21 SWITCH, KEYBOARD (LEVEL/DISPLAY/CHAR)S726 1-762-875-21 SWITCH, KEYBOARD ( ' / 1)S731 1-762-875-21 SWITCH, KEYBOARD (TIME)

S732 1-762-875-21 SWITCH, KEYBOARD (GROUP SKIP)S733 1-762-875-21 SWITCH, KEYBOARD (GROUP)S746 1-786-174-11 SWITCH, SLIDE (TIMER REC/OFF/PLAY)

******************************************************A-2007-925-A MAIN BOARD, COMPLETE (AEP,UK)A-2007-931-A MAIN BOARD, COMPLETE (SP)

********************

7-685-646-79 SCREW +BVTP 3X8 TYPE2 TT(B)

<CAPACITOR>

C12 1-164-159-11 CERAMIC 0.1uF 50VC16 1-164-159-11 CERAMIC 0.1uF 50VC19 1-162-294-31 CERAMIC 0.001uF 10% 50VC58 1-162-282-31 CERAMIC 100PF 10% 50VC62 1-164-159-11 CERAMIC 0.1uF 50V

C87 1-162-306-11 CERAMIC 0.01uF 30% 16VC88 1-162-306-11 CERAMIC 0.01uF 30% 16VC89 1-162-294-31 CERAMIC 0.001uF 10% 50VC100 1-126-964-11 ELECT 10uF 20% 50VC111 1-136-356-11 MYLAR 470PF 5% 50V

C112 1-126-049-11 ELECT 22uF 20% 25VC113 1-126-049-11 ELECT 22uF 20% 25VC161 1-137-505-11 MYLAR 220PF 5% 50VC165 1-137-503-11 MYLAR 0.0001uF 5% 50VC166 1-137-503-11 MYLAR 0.0001uF 5% 50V

C171 1-137-368-11 MYLAR 0.0047uF 5% 50V

C172 1-130-471-00 MYLAR 0.001uF 5% 50VC176 1-126-049-11 ELECT 22uF 20% 25VC177 1-136-356-11 MYLAR 470PF 5% 50VC211 1-136-356-11 MYLAR 470PF 5% 50V

C212 1-126-049-11 ELECT 22uF 20% 25VC213 1-126-049-11 ELECT 22uF 20% 25VC261 1-137-505-11 MYLAR 220PF 5% 50VC265 1-137-503-11 MYLAR 0.0001uF 5% 50VC266 1-137-503-11 MYLAR 0.0001uF 5% 50V

C271 1-137-368-11 MYLAR 0.0047uF 5% 50VC272 1-130-471-00 MYLAR 0.001uF 5% 50VC276 1-126-049-11 ELECT 22uF 20% 25VC277 1-136-356-11 MYLAR 470PF 5% 50VC311 1-126-023-11 ELECT 100uF 20% 16V

C316 1-126-023-11 ELECT 100uF 20% 16VC361 1-126-023-11 ELECT 100uF 20% 16VC366 1-126-023-11 ELECT 100uF 20% 16VC391 1-126-933-11 ELECT 100uF 20% 16VC396 1-126-933-11 ELECT 100uF 20% 16V

C401 1-126-939-11 ELECT 10000uF 20% 16VC402 1-164-159-11 CERAMIC 0.1uF 50VC404 1-126-933-11 ELECT 100uF 20% 16VC405 1-162-306-11 CERAMIC 0.01uF 30% 16VC406 1-124-252-00 ELECT 0.33uF 20% 50V

C411 1-126-939-11 ELECT 10000uF 20% 16VC412 1-164-159-11 CERAMIC 0.1uF 50VC416 1-126-916-11 ELECT 1000uF 20% 6.3VC421 1-164-159-11 CERAMIC 0.1uF 50VC422 1-164-159-11 CERAMIC 0.1uF 50V

C423 1-128-576-11 ELECT 100uF 20% 63VC424 1-164-159-11 CERAMIC 0.1uF 50VC425 1-126-967-11 ELECT 47uF 20% 50VC426 1-126-965-11 ELECT 22uF 20% 50VC431 1-104-663-11 ELECT 33uF 20% 25V

C432 1-128-551-11 ELECT 22uF 20% 25VC441 1-126-933-11 ELECT 100uF 20% 16VC442 1-162-306-11 CERAMIC 0.01uF 30% 16VC461 1-126-040-11 ELECT 1000uF 20% 35VC466 1-126-040-11 ELECT 1000uF 20% 35V

C490 1-126-916-11 ELECT 1000uF 20% 6.3VC491 1-164-159-11 CERAMIC 0.1uF 50VC492 1-164-159-11 CERAMIC 0.1uF 50VC500 1-126-934-11 ELECT 220uF 20% 10VC501 1-164-159-11 CERAMIC 0.1uF 50V

C502 1-137-366-11 MYLAR 0.0022uF 5% 50VC503 1-137-366-11 MYLAR 0.0022uF 5% 50VC504 1-124-994-11 ELECT 100uF 20% 10VC505 1-164-159-11 CERAMIC 0.1uF 50VC515 1-162-282-31 CERAMIC 100PF 10% 50V

C516 1-162-282-31 CERAMIC 100PF 10% 50VC517 1-162-282-31 CERAMIC 100PF 10% 50VC519 1-162-294-31 CERAMIC 0.001uF 10% 50VC520 1-126-934-11 ELECT 220uF 20% 10VC522 1-164-159-11 CERAMIC 0.1uF 50V

C523 1-104-665-11 ELECT 100uF 20% 10VC524 1-164-159-11 CERAMIC 0.1uF 50VC530 1-164-159-11 CERAMIC 0.1uF 50VC531 1-164-159-11 CERAMIC 0.1uF 50VC532 1-164-159-11 CERAMIC 0.1uF 50V

C536 1-164-159-11 CERAMIC 0.1uF 50V

KEY-SW

68

Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks

MDS-JE770MAIN

C550 1-164-159-11 CERAMIC 0.1uF 50VC551 1-104-665-11 ELECT 100uF 20% 10VC552 1-164-159-11 CERAMIC 0.1uF 50VC553 1-162-195-31 CERAMIC 4.7PF 10% 50V

C554 1-162-294-31 CERAMIC 0.001uF 10% 50VC555 1-162-203-31 CERAMIC 15PF 5% 50VC556 1-162-215-31 CERAMIC 47PF 5% 50VC557 1-162-199-31 CERAMIC 10PF 5% 50VC601 1-162-306-11 CERAMIC 0.01uF 30% 16V

C611 1-164-159-11 CERAMIC 0.1uF 50VC612 1-126-963-11 ELECT 4.7uF 20% 50VC613 1-162-306-11 CERAMIC 0.01uF 30% 16VC621 1-164-159-11 CERAMIC 0.1uF 50V (SP)C622 1-126-963-11 ELECT 4.7uF 20% 50V (SP)

C623 1-162-306-11 CERAMIC 0.01uF 30% 16V (SP)C631 1-164-159-11 CERAMIC 0.1uF 50V

(AEP,UK)C641 1-164-159-11 CERAMIC 0.1uF 50VC642 1-126-963-11 ELECT 4.7uF 20% 50VC651 1-164-159-11 CERAMIC 0.1uF 50V

C652 1-164-159-11 CERAMIC 0.1uF 50VC657 1-164-159-11 CERAMIC 0.1uF 50VC658 1-164-159-11 CERAMIC 0.1uF 50VC851 1-164-159-11 CERAMIC 0.1uF 50VC852 1-164-159-11 CERAMIC 0.1uF 50V

C853 1-164-159-11 CERAMIC 0.1uF 50VC854 1-164-159-11 CERAMIC 0.1uF 50VC855 1-164-159-11 CERAMIC 0.1uF 50VC930 1-164-159-11 CERAMIC 0.1uF 50VC931 1-164-159-11 CERAMIC 0.1uF 50V

C932 1-164-159-11 CERAMIC 0.1uF 50VC940 1-164-159-11 CERAMIC 0.1uF 50VC941 1-164-159-11 CERAMIC 0.1uF 50VC942 1-164-159-11 CERAMIC 0.1uF 50V

<CONNECTOR>

CN1 1-784-417-11 CONNECTOR, FFC (LIF(NON-ZIF)23PCN2 1-779-295-11 CONNECTOR,FFC (LIF(NON-ZIF))27PCN3 1-815-620-11 CONNECTOR, FFC 17PCN390 1-506-468-11 PIN, CONNECTOR 3PCN400 1-691-772-11 PLUG (MICRO CONNECTOR) 10P

CN406 1-568-683-11 PIN, CONNECTOR (PC BAORD) 2PCN830 1-568-955-11 PIN, CONNECTOR 6P

<DIODE>

D111 8-719-911-19 DIODE 1SS133T-72D112 8-719-911-19 DIODE 1SS133T-72D211 8-719-911-19 DIODE 1SS133T-72D212 8-719-911-19 DIODE 1SS133T-72D381 8-719-911-19 DIODE 1SS133T-72

D382 8-719-911-19 DIODE 1SS133T-72D401 8-719-210-21 DIODE 11EQS04-NTA2BD402 8-719-210-21 DIODE 11EQS04-NTA2BD403 8-719-210-21 DIODE 11EQS04-NTA2BD404 8-719-210-21 DIODE 11EQS04-NTA2B

D406 8-719-911-19 DIODE 1SS133T-72D408 8-719-210-21 DIODE 11EQS04-NTA2BD409 8-719-210-21 DIODE 11EQS04-NTA2BD411 8-719-024-99 DIODE 11ES2-NTA2BD412 8-719-024-99 DIODE 11ES2-NTA2B

D421 8-719-024-99 DIODE 11ES2-NTA2BD422 8-719-109-81 DIODE RD4.7ES-T2B2D431 8-719-911-19 DIODE 1SS133T-72D432 8-719-911-19 DIODE 1SS133T-72D433 8-719-911-19 DIODE 1SS133T-72

D461 8-719-024-99 DIODE 11ES2-NTA2BD462 8-719-024-99 DIODE 11ES2-NTA2BD466 8-719-024-99 DIODE 11ES2-NTA2BD467 8-719-024-99 DIODE 11ES2-NTA2BD851 8-719-911-19 DIODE 1SS133T-72

<GROUND TERMINAL>

EP559 1-537-771-21 TERMINAL BOARD, GROUNDEP940 1-537-771-21 TERMINAL BOARD, GROUND

<FERRITE BEAD>

FB460 1-414-093-11 FERRITE 0UHFB465 1-414-093-11 FERRITE 0UH

<IC>

IC1 6-800-019-01 IC M30803MG-106FPIC310 8-759-712-02 IC NJM2114DIC360 8-759-712-02 IC NJM2114DIC370 8-759-712-02 IC NJM2114DIC390 8-759-634-51 IC NJM4558D

IC401 8-759-445-59 IC BA033TIC406 8-759-481-02 IC M62016LIC411 8-759-231-53 IC M5F7805LIC421 8-759-633-42 IC M5293LIC440 8-759-633-65 IC M54641L

IC500 8-759-579-68 IC AK4524IC550 8-759-917-18 IC SN74HCU04ANIC600 8-759-917-18 IC SN74HCU04ANIC611 8-749-012-70 IC GP1F38R (DIGITAL IN1)IC621 8-749-012-70 IC GP1F38R (DIGITAL IN2) (SP)

IC641 8-749-012-69 IC GP1F38T (DIGITAL OUT)

<JACK>

J300 1-784-430-11 JACK, PIN 4P (ANALOG IN/OUT)J631 1-784-432-11 JACK, PIN 1P (COAXIAL IN) (AEP,UK)J851 1-779-655-21 JACK (SMALL TYPE) (2 GANG) (CONTROL A1 II )

<COIL>

L555 1-414-142-11 INDUCTOR 1uHL611 1-410-509-11 INDUCTOR 10uHL641 1-410-509-11 INDUCTOR 10uHL653 1-412-473-21 INDUCTOR 0uHL657 1-412-473-21 INDUCTOR 0uH

<TRANSISTOR>

Q21 8-729-900-80 TRANSISTOR UN4211-TAQ22 8-729-900-80 TRANSISTOR UN4211-TAQ34 8-729-900-80 TRANSISTOR UN4211-TAQ181 8-729-044-08 TRANSISTOR 2SD1915(F)-T(TA).SOQ190 8-729-044-08 TRANSISTOR 2SD1915(F)-T(TA).SO

Q281 8-729-044-08 TRANSISTOR 2SD1915(F)-T(TA).SOQ290 8-729-044-08 TRANSISTOR 2SD1915(F)-T(TA).SOQ380 8-729-422-57 TRANSISTOR UN4111-TAQ440 8-729-900-80 TRANSISTOR UN4211-TAQ445 8-729-119-76 TRANSISTOR 2SA1115TP-EF

69

MDS-JE770MAIN

Q490 8-729-194-57 TRANSISTOR 2SC945TP-QPQ821 8-729-620-05 TRANSISTOR 2SC2603TP-EFQ822 8-729-620-05 TRANSISTOR 2SC2603TP-EFQ851 8-729-620-05 TRANSISTOR 2SC2603TP-EFQ911 8-729-922-37 TRANSISTOR 2SD2144S-TP-UVW

<RESISTOR>

R3 1-247-807-31 CARBON 100 5% 1/4WR9 1-249-425-11 CARBON 4.7K 5% 1/4W FR17 1-249-429-11 CARBON 10K 5% 1/4WR21 1-249-429-11 CARBON 10K 5% 1/4WR22 1-249-429-11 CARBON 10K 5% 1/4W

R23 1-249-429-11 CARBON 10K 5% 1/4WR28 1-249-429-11 CARBON 10K 5% 1/4WR41 1-249-441-11 CARBON 100K 5% 1/4WR44 1-249-429-11 CARBON 10K 5% 1/4WR46 1-249-429-11 CARBON 10K 5% 1/4W

R49 1-249-429-11 CARBON 10K 5% 1/4WR51 1-249-429-11 CARBON 10K 5% 1/4WR53 1-249-429-11 CARBON 10K 5% 1/4WR55 1-249-429-11 CARBON 10K 5% 1/4WR61 1-249-429-11 CARBON 10K 5% 1/4W

R87 1-249-429-11 CARBON 10K 5% 1/4WR88 1-249-429-11 CARBON 10K 5% 1/4WR90 1-249-441-11 CARBON 100K 5% 1/4W

(AEP,UK)R91 1-249-441-11 CARBON 100K 5% 1/4WR92 1-249-429-11 CARBON 10K 5% 1/4W

R93 1-249-429-11 CARBON 10K 5% 1/4WR94 1-249-429-11 CARBON 10K 5% 1/4WR95 1-249-429-11 CARBON 10K 5% 1/4WR97 1-249-429-11 CARBON 10K 5% 1/4WR100 1-249-441-11 CARBON 100K 5% 1/4W

R111 1-249-588-91 CARBON 33K 5% 1/4WR112 1-249-951-11 CARBON 15K 5% 1/4WR113 1-247-887-00 CARBON 220K 5% 1/4WR115 1-249-520-11 CARBON 47 5% 1/4WR161 1-215-445-00 METAL 10K 1% 1/4W

R162 1-215-445-00 METAL 10K 1% 1/4WR163 1-215-445-00 METAL 10K 1% 1/4WR164 1-215-445-00 METAL 10K 1% 1/4WR165 1-215-453-00 METAL 22K 1% 1/4WR166 1-215-453-00 METAL 22K 1% 1/4W

R171 1-215-425-00 METAL 1.5K 1% 1/4WR172 1-215-425-00 METAL 1.5K 1% 1/4WR176 1-249-919-11 CARBON 680 5% 1/4WR177 1-249-469-11 CARBON 100K 5% 1/4WR178 1-247-706-11 CARBON 330 5% 1/4W F

R181 1-249-429-11 CARBON 10K 5% 1/4WR190 1-249-429-11 CARBON 10K 5% 1/4WR191 1-249-397-11 CARBON 22 5% 1/4W FR211 1-249-588-91 CARBON 33K 5% 1/4WR212 1-249-951-11 CARBON 15K 5% 1/4W

R213 1-247-887-00 CARBON 220K 5% 1/4WR215 1-249-520-11 CARBON 47 5% 1/4WR261 1-215-445-00 METAL 10K 1% 1/4WR262 1-215-445-00 METAL 10K 1% 1/4WR263 1-215-445-00 METAL 10K 1% 1/4W

R264 1-215-445-00 METAL 10K 1% 1/4WR265 1-215-453-00 METAL 22K 1% 1/4WR266 1-215-453-00 METAL 22K 1% 1/4W

R271 1-215-425-00 METAL 1.5K 1% 1/4WR272 1-215-425-00 METAL 1.5K 1% 1/4W

R276 1-249-919-11 CARBON 680 5% 1/4WR277 1-249-469-11 CARBON 100K 5% 1/4WR278 1-247-706-11 CARBON 330 5% 1/4W FR281 1-249-429-11 CARBON 10K 5% 1/4WR290 1-249-429-11 CARBON 10K 5% 1/4W

R291 1-249-397-11 CARBON 22 5% 1/4W FR380 1-249-441-11 CARBON 100K 5% 1/4WR381 1-247-883-00 CARBON 150K 5% 1/4WR406 1-249-409-11 CARBON 220 5% 1/4W FR407 1-249-429-11 CARBON 10K 5% 1/4W

R421 1-249-433-11 CARBON 22K 5% 1/4WR423 1-249-441-11 CARBON 100K 5% 1/4WR424 1-249-409-11 CARBON 220 5% 1/4W FR425 1-249-409-11 CARBON 220 5% 1/4W FR431 1-247-807-31 CARBON 100 5% 1/4W

R432 1-249-415-11 CARBON 680 5% 1/4W FR433 1-249-409-11 CARBON 220 5% 1/4W FR434 1-249-433-11 CARBON 22K 5% 1/4WR435 1-249-438-11 CARBON 56K 5% 1/4WR436 1-247-891-00 CARBON 330K 5% 1/4W

R437 1-249-417-11 CARBON 1K 5% 1/4W FR441 1-249-433-11 CARBON 22K 5% 1/4WR442 1-249-431-11 CARBON 15K 5% 1/4WR443 1-249-433-11 CARBON 22K 5% 1/4WR491 1-249-411-11 CARBON 330 5% 1/4W

R492 1-249-418-11 CARBON 1.2K 5% 1/4W FR511 1-249-401-11 CARBON 47 5% 1/4W FR512 1-249-401-11 CARBON 47 5% 1/4W FR513 1-249-401-11 CARBON 47 5% 1/4W FR514 1-249-401-11 CARBON 47 5% 1/4W F

R515 1-247-807-31 CARBON 100 5% 1/4WR516 1-247-807-31 CARBON 100 5% 1/4WR517 1-247-807-31 CARBON 100 5% 1/4WR551 1-247-903-00 CARBON 1M 5% 1/4WR552 1-249-411-11 CARBON 330 5% 1/4W

R554 1-247-807-31 CARBON 100 5% 1/4WR556 1-247-807-31 CARBON 100 5% 1/4WR613 1-247-895-00 CARBON 470K 5% 1/4WR614 1-249-437-11 CARBON 47K 5% 1/4WR623 1-247-895-00 CARBON 470K 5% 1/4W

R624 1-249-437-11 CARBON 47K 5% 1/4WR631 1-247-804-11 CARBON 75 5% 1/4W

(AEP,UK)R632 1-249-417-11 CARBON 1K 5% 1/4W F

(AEP,UK)R821 1-249-429-11 CARBON 10K 5% 1/4WR822 1-249-429-11 CARBON 10K 5% 1/4W

R823 1-249-429-11 CARBON 10K 5% 1/4WR824 1-249-425-11 CARBON 4.7K 5% 1/4W FR825 1-249-429-11 CARBON 10K 5% 1/4WR826 1-249-429-11 CARBON 10K 5% 1/4WR827 1-249-425-11 CARBON 4.7K 5% 1/4W F

R828 1-249-429-11 CARBON 10K 5% 1/4WR851 1-249-426-11 CARBON 5.6K 5% 1/4WR852 1-249-425-11 CARBON 4.7K 5% 1/4W FR853 1-249-429-11 CARBON 10K 5% 1/4WR854 1-249-393-11 CARBON 10 5% 1/4W F

R911 1-249-421-11 CARBON 2.2K 5% 1/4W F

70

Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks

MDS-JE770

R912 1-249-437-11 CARBON 47K 5% 1/4WR1090 1-249-429-11 CARBON 10K 5% 1/4W

(SP)

<VIBRATOR>

X15 1-795-004-21 VIBRATOR, CERAMIC (10MHz)X550 1-781-998-11 VIBRATOR, CRYSTAL (45.1584MHz)

******************************************************

1-681-739-11 PT BOARD********

<CAPACITOR>

0C910 1-113-920-11 CERAMIC 0.0022uF 20% 250VC923 1-164-159-11 CERAMIC 0.1uF 50VC924 1-164-159-11 CERAMIC 0.1uF 50VC951 1-164-159-11 CERAMIC 0.1uF 50VC952 1-164-159-11 CERAMIC 0.1uF 50V

<CONNECTOR>

* CN900 1-580-230-11 PIN, CONNECTOR (PC BOARD) 2P (AC IN)

<DIODE>

D910 8-719-911-19 DIODE 1SS133T-72

<LINE FILTER>

0LF900 1-419-625-11 COIL, LINE FILTER

<RELAY>

0RY910 1-755-356-11 RELAY

<TRANSFORMER>

0TR900 1-437-339-11 TRANSFORMER, POWER (AEP,UK)0TR900 1-437-340-11 TRANSFORMER, POWER (SP)0TR950 1-437-337-11 TRANSFORMER, POWER (SP)0TR950 1-437-336-11 TRANSFORMER, POWER (AEP,UK)******************************************************

1-681-745-11 VOL-SEL BOARD (SP)*************

<CONNECTOR>

* CN990 1-573-565-11 PIN, CONNECTOR 5P (SP)

<SWITCH>

0S990 1-771-474-11 SWITCH, POWER (VOLTAGE SELECTOR) (SP)******************************************************

MISCELLANEOUS*************

9 1-792-811-11 WIRE (FLAT TYPE) (23 CORE)10 1-757-928-11 WIRE (FLAT TYPE) (27 CORE)

012 1-777-071-41 CORD, POWER* 14 1-569-972-21 SOCKET, SHORT 2P017 1-569-008-21 ADAPTOR, CONVERSION (SP)

017 1-770-019-11 ADAPTOR, CONVERSION PLUG 3P (UK)63 1-757-930-11 WIRE (FLAT TYPE) (17 CORE)357 1-678-514-11 FLEXIBLE BOARD

0358 A-4672-541-A OPTICAL PICK-UP KMS-260EFL750 1-517-987-11 INDICATOR TUBE, FLUORESCENTM101 A-4672-898-A MOTOR ASSY, SPINDLE

M102 A-4735-076-A MOTOR ASSY, SLEDM103 A-4735-074-A MOTOR ASSY, LOADINGS102 1-771-957-11 SWITCH, PUSH (2 KEY) (REFLECT/PROTECT SW)

0TR900 1-437-339-11 TRANSFORMER, POWER (AEP,UK)0TR900 1-437-340-11 TRANSFORMER, POWER (SP)******************************************************

ACCESSORIES & PACKING MATERIALS****************************

1-476-723-11 REMOTE COMMANDER (RM-D10J)1-574-264-11 CORD, LIGHT PLUG (OPTICAL)1-791-732-11 CORD, CONNECTION (AUDIO)4-233-926-11 MANUAL, INSTRUCTION (ENGLISH)4-233-926-21 MANUAL, INSTRUCTION (FRENCH) (AEP,SP)

4-233-926-31 MANUAL, INSTRUCTION (SPANISH) (AEP)4-233-926-41 MANUAL, INSTRUCTION

(GERMAN,DUTCH,SWEDISH) (AEP)4-233-926-51 MANUAL, INSTRUCTION (ITALIAN,POLISH)

(AEP)4-233-926-61 MANUAL, INSTRUCTION

(TRADITIONAL CHINESE) (SP)4-228-696-01 COVER, BATTERY (FOR RM-D10J)

******************************************************

*************HARDWARE LIST*************

#1 7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S#2 7-685-850-04 SCREW +BVTT 2X3 (S)#3 7-685-204-19 SCREW +KTP 2X6 TYPE2 NON-SLIT

The components identified bymark 0 or dotted line with mark0 are critical for safety.Replace only with part numberspecified.

MAIN PT VOL-SEL

71

MDS-JE770

MEMO

MDS-JE770

REVISION HISTORY

Clicking the version allows you to jump to the revised page.Also, clicking the version at the upper right on the revised page allows you to jump to the next revisedpage.

Ver. Date Description of Revision

1.0 2001.05 New