manual de serviÇo brazilian model -...

Ð Continued on next page Ð

Amplifier section

The following are measured at AC 120, 220, 240V50/60 HzDIN power output (rated) 100 + 100 watts

(6 ohms at 1 kHz, DIN)Continuous RMS power output (reference)

145 + 145 watts(6 ohms at 1 kHz,10% THD)

InputsGAME (VIDEO): 1 Vp-p, 75 ohms(phono jack)GAME (AUDIO): Voltage 250 mV,(phono jacks) impedance 47 kilohmsMD/VIDEO (AUDIO) IN: voltage 450 mV/250 mV,(phono jacks) impedance 47 kilohmsMIC: sensitivity 1 mV,(phone jack) impedance 10 kilohms

OutputsVIDEO OUT: max. output level 1 Vp-p,(phono jacks) unbalanced, Sync.

negative load impedance75 ohms

PHONES: accepts headphones of(stereo mini jack) 8 ohms or moreFRONT SPEAKER: accepts impedance of 6 to

16 ohms

ayerSystem Compact disc and digital

audio systemLaser Semiconductor laser

(λ=795nm)Laser Output Max. 44.6 µW*

*This output is the valuemeasured at a distance of200 mm from theobjective lens surface onthe Optical Pick-up Blockwith 7 mm aperture.

rrrrrrWave length 795 nmCD OPTICAL DIGITAL OUT(Square optical connector jack, rear panel)Wave length 660 nmOutput Level –18 dBm

Tape player sectionRecording system 4-track 2-channel stereoFrequency response 50 – 13,000 Hz (±3 dB),

using Sony TYPE Icassette

Tuner section

FM stereo, FM/AM superheterodyne tuner

Tuning range 87.5 – 108.0 MHzAntenna FM lead antennaAntenna terminals 75 ohm unbalancedIntermediate frequency 10.7 MHz

AM tuner section

Tuning rangeLatin American models: 530 – 1,710 kHz

(with the interval set at 10kHz)531 – 1,710 kHz(with the interval set at 9kHz)

Middle Eastern models: 531 – 1,602 kHz(with the interval set at 9kHz)

Other models: 531 – 1,602 kHz(with the interval set at 9kHz)530 – 1,710 kHz(with the interval set at 10kHz)

Antenna AM loop antennaAntenna terminals External antenna terminalIntermediate frequency 450 kHz

MHC-RG77MANUAL DE SERVIÇO Brazilian Model

Especificações Técnicas Amplificador MHC-RG77 Potência de Saída RMS 215 + 215 watts

(6 ohms a 1 kHz, 10% THD)

Potência de Saída PMPO 4.700W

MHC-RG66T Potência de Saída RMS 145 + 145 watts



MHC-RG90 Potência de Saída RMS 270 + 270 watts



Entradas GAME (VIDEO) (tomada RCA):

1 Vp-p, 75 ohms GAME (AUDIO) (tomada RCA):

Sensibilidade 250 mV, impedância 47 kilohms

MD/VIDEO (AUDIO) IN (tomada RCA): Sensibilidade 450/250 mV,

impedância 47 kilohms MIC: Sensibilidade 1 mV,

impedância 10 kilohms

Saídas VIDEO OUT (tomadas RCA):

Nível máx. de saída:1 Vp-p, não balanceado, sincronismo negativo, impedância de carga de 75 ohms

PHONES (minitomada estéreo): Aceita fone de ouvido de

8 ohms ou mais FRONT SPEAKER: Aceita impedâncias de 6

a 16 ohms SURROUND SPEAKER: Aceita impedância de (somente MHC-RG77) 24 ohms ou mais

Seção CD

Modelo que usa mecanismo similar MHC-RG66T

Mecanismo do CD CDM58E-30BD60C

Base da Unidade BU-30BD60C

Unidade Óptica A-MAX.3

SeçãoToca-Fitas

Modelo que usa mecanismo similar MHC-RG66T

Mecanismo do Toca-Fitas TCM-230PWR41CS

Reprodutor de CDs Sistema Sistema de áudio digital

de disco compacto Laser Laser semicondutor

(λ=795nm) Saída Laser Máx. 44,6 µW*

* Esta saída é o valor medido a uma distância de 200mm da superfície da lente objetiva no bloco de reprodução óptica com 7mm de abertura.

Resposta de Freqüência 2 Hz – 20 kHz (±0,5 dB)Comprimento de Onda 795 nmSAÍDA ÓPTICA DIGITAL DE CD -CD DIGITAL OUT(Tomada de conector quadrado no painel traseiro)Comprimento de Onda 660 nmNível de Saída –18 dBm

Reprodutor de Fitas Sistema de Gravação 4 pistas, 2 canais estéreo Resposta de Freqüência 50 – 13.000 Hz (±3 dB),

utilizando fita cassete Sony tipo I (normal)

Wow e flutter Menor que 0,3% W.RMS (DIN)

Rádio FM estéreo, sintonizador super-heteródino de FM/AM

Sintonizador FM

Faixa de sintonização 87,5 – 108,0 MHz Antena Antena monofilar de FM Terminais da antena 75 ohms, não balanceado Freqüência intermediária 10,7 MHz

Sintonizador AM

Faixa de Sintonização 530 – 1.710 kHz (com intervalo de freqüência ajustado em 10 kHz) 531 – 1.710 kHz (com intervalo de freqüência ajustado em 9 kHz)

Antena Antena Loop de AMTerminais da antena Terminal da antena externaFreqüência intermediária 450 kHz continuação na pág. seguinte

SISTEMA COMPACTO DE SOM Esta página foi retirada do manual de instruções.

Ver 1.5 05 2004

MHC-RG77

2323

SEÇÃO DIAGRAMAS

7-1. DIAGRAMA EM BLOCO - Seção CD SERVO -

SQSO

SQ

CK

A/D CONVERTER

CH1OUTR

CH1OUTF

6

7

8

9

16

18

11

10

12

21

51

49

48

43

24

4140 39

64 15

28

29

30

31

32

33

24

25

23

6

5

3

2

17

18

15

16

CD A+5V

DETECTOR

A

B

C

D

RF SUMMING

AMP

FOCUS ERROR AMP

TRACKING ERROR AMP

RFAC

FE

RF AMP, FOCUS/TRACKING ERROR AMP

IC103

TEE

F F I-V AMP

E I-V AMP

AUTOMATIC POWER

CONTROL Q101

APC LD AMP

LD

LDPD

LASER DIODE

RFAC

ASYO

ASYI

ASYMMETRY CORRECTION

DIGITAL PLL

DIGITAL SIGNAL PROCESSOR, DIGITAL FILTER, D/A CONVERTER

IC101 (1/2)

DATA

XLAT

CL

OK

14 5 6

MDP

26 7 8

XLON

3

XRST

DIGITAL CLV

D/A INTERFACE

SE

TE

FE

RFDC

FO

CUS/

TRAC

KING

/SLE

D SE

RVO

DSP

FOCU

S/TR

ACKI

NG/S

LED

PWM

GEN

ERAT

OR

SFDR

CH3FIN

CH4SIN

CH3RIN

CH3OUTF

CH3OUTR

CH2RIN

CH2FIN

CH1RIN

CH1FIN

20MUTE

SRDR

TFDR

TRDR

FFDR

FRDR

EMPH

W

FCK

GFS

MIRR/DFCT/ FOK

DETECTOR

SERVO AUTO SEQUENCER

SERVO INTERFACE

CPU INTERFACE

18

63 62

61 19

SENS

20

36 37 35

34 19

SCOR

SQ-D

ATA-

IN

SQ-C

LK

XLT CD-CLK CD-DATA

SENS

SCOR

1 2

32 33

SCLK

CO

UT

9 21

SSTP

27

FOK

22 23

MIRR DFCT

TO SERVO INTERFACE

CH4OUTF

CH4OUTR M101

(SPINDLE) MOTOR DRIVE

MOTOR DRIVE

CH2OUTR

CH2OUTF

M

M

M102 (SLED)

FOCUS/TRACKING COIL DRIVE, SPINDLE/SLED MOTOR DRIVE

IC102

2-AXIS DEVICE

(TRA

CKIN

G)(F

OCUS

)

DIGITAL SERVO PROCESSOR IC101 (2/2)

OPTICAL PICK-UP BLOCK

(A-MAX. 3)

SW

PD

11

12

14

13

54 56 53 55

FILTER

FILO

PCO

CLTV

FILI

EFM DEMODULATOR

SERIAL IN

INTERFACE

DIGITAL FILTER,

NOISE SHAPER

PWM &

INTEGRATOR BUFFER

CLOCK GENERATOR

TIMING LOGICDIGITAL

OUT

INTE

RNAL

BUS

16K RAM

ERROR CORRECTOR

SUBCODE PROCESSOR

60

43 XRST

AIN1

AIN2

AOUT1

AOUT2

TO MIRR/DFCT/ FOK DETECTOR

PCMD BCK

LRCK C2PO

DOUT

70

77

LOUT1

LOUT2 R-CH

72

75

71

76

A (5)

EQ IN

1534 EQ

AC SUM

17FEI

RF DC AMP 28

RFDCO

29RFDCI

19TE BAL

COIL DRIVE

COIL DRIVE

24 26 28

BU-PWM3 BU-PWM2 BU-PWM1

PWM1

PWM3

PWM2

PWM3 PWM2 PWM1

40 LD-ON 48

49

BU UP/DOWN-SW

TBL-SENS

50CD-MUTE

DISC TRAY STATUS SENSOR

IC711

LASER DIODE ON SWITCH Q202 – 205

OPEN-SW 46

CLOSE-SW 47

OPEN

CLOSE

S701 DISC TRAY OPEN/CLOSE

DETECT

S711 OPTICAL PICK-UP UP/DOWN DETECT

LOAD-OUT 45 LOAD-IN 44 9

7 RIN FIN

MOTOR DRIVE 4

2 OUT1 OUT2

TURN MOTOR DRIVER IC701

M721 (TURN)M

SYSTEM CONTROLLER (CD MECHANISM CONTROL)

IC501 (1/4)

• SIGNAL PATH : CD PLAY (ANALOG)

: CD PLAY (DIGITAL OUT)

• R-ch is omitted due to same as L-ch.

OPTICAL TRANSCEIVER

IC201

CD DIGITAL OUT OPTICAL

CD L-CH

RFAC VCA

(LIMIT) When the optical pick-up is inner position

ON :

E-F BALANCE (1 TRACK JUMP)

RV101

MUTING Q201

MUTING CONTROL SWITCH

Q206, 207

R-CH

67 66

XTAO

XTAI

X101 16.9344MHz

7

(Page 25)

MHC-RG77

2424

7-2. DIAGRAMA EM BLOCO - Seção TUNER/TAPE DECK

FM ANT

ANT GND

AM ANT

ANT GND ST-DIN ST-CLK

ST-CE ST-MUTE

TUNED STEREO

L-CH

R-CH

ST-DOUT

TUNER UNIT

FM 75Ω

AM

R-CH

25

ST-D

IN

23

ST-D

OUT

27

ST-C

LK

22

ST-C

E

21

ST-M

UTE

DI

DO

CLK CE

M

UTIN

G

3

TUNE

D

2

STER

EO

TUNE

D ST

EREO

R-CH

L-CH

R-CH

L-CH

R-CH R-CH

HP901 (PB)

HRPE901 (REC/PB/ERASE)

13

2

4

R-CH R-CH

REC/PB SWITCHING IC302

R-CH

BIAS OSC T301

BIAS TRAP

REC BIAS SWITCH

Q301, 307, 310 TC +10V

BIAS OSC Q302, 303

TRIGGER PLUNGER DRIVE

(DECK B) Q391, 392

PM902 TRIGGER PLUNGER

(DECK B)

51

A-TR

IG

TRIGGER PLUNGER DRIVE

(DECK A) Q393, 394

PM901 TRIGGER PLUNGER

(DECK A)

52

B-TR

IG

90

B-SH

UT

89

A-SH

UT

34

32 BIN1

AIN1

15 13 12 14

28 27EQOUT1 26

PB-OUT1 TAI1

MUTE

DECK A/B SELECT SWITCH, PB EQ AMP IC301 (1/2)

R-CH

23

REC-OUT1 REC-IN1

ALC1

REC EQ AMP, ALC IC301 (2/2)

21

R-CH

R-CH

68

ALC

C TAPE L-CH

B TUNER

L-CH

D REC

L-CH

55 CAPM-CNT1

54 CAPM-H/L

65 BIAS

CAPSTAN MOTOR DRIVE

Q396, 397 MMM901

(CAPSTAN)

57

B-PL

AY

56

A-PL

AY

11

ALC

ON/O

FF

S1002 (DECK B PLAY)

S1001 (DECK A PLAY)

70

A-HA

LF

S1003 (DECK A HALF)

91

B-HA

LF

S1006 (DECK B HALF)

S1009 (DECK B REC)

S1005 (DECK A REC)

D +3.3V


IC501 (2/4)

• SIGNAL PATH • R-ch is omitted due to same as L-ch.

: TUNER (FM/AM)

: TAPE PLAY (DECK A)

: REC

: TAPE PLAY (DECK B)

ROTATION DETECT SENSOR

(DECK A) IC1001

ROTATION DETECT SENSOR

(DECK B) IC1002

DO

CE MUTING

TUNED STEREO

DI

CLK

REC BIAS (L) (DECK B)

RV304

REC BIAS (R) (DECK B)

RV354

CAPSTAN MOTOR CONTROL SWITCH

Q1001

Q395

TAPE SPEED (HIGH)

RV1001

TAPE SPEED (NORMAL)

RV1002

A/B

NORM

AL/H

IGH

SPEE

D

MUT

E ON

/OFF

REC

MUT

E ON

/OFF

A/B

NOR/

HIGH

REC

MUT

E

58 5361 67 66

A/B

NOR/

HIGH

REC-

MUT

E PB

-A/B

EQ

-H/N

TC-M

UTE

AMS-

IN

REC

MUT

E

EQ

ALC REC LEVEL (L) (DECK B)

RV301

69

TC-R

ELAY

+

MUTING Q306


Q389

BUFFER Q390, 398, 399

LOW-PASS FILTER IC303

24

ANTENNA

REC/PB SWITCHING Q304, 305

D +3.3V D +3.3V

(Page 25)

(Page 25)

MHC-RG77

2525

7-3. DIAGRAMA EM BLOCO - Seção PRINCIPAL

STK-

MUT

E

PROT

ECTO

R

HP M

UTE

LINE

-MUT

E

GEQ

DATA

GEQ

CLK

FRON

T-RE

LAY

HP-D

ETEC

T

79788788838081 82

M891 (FAN)

+ – + –

FRONT SPEAKER IMPEDANCE USE 6–16Ω

L

R

PHONES J631

RY501


IC501 (3/4)

• R-ch is omitted due to same as L-ch.

CD L-CHA(Page 23)

TAPE L-CHC(Page 24)

TUNER L-CHB(Page 24)

T501

D507

D511

FAN MOTOR DRIVE

Q891, 892

FAN MOTOR ON SWITCH

Q831

OVER LOAD DETECT SWITCH

Q510, 511

PROTECT SWITCH Q502

OVER LOAD DETECT SWITCH

Q509

OVER LOAD DETECT

Q501, 551

DC DETECT SWITCH

Q507, 508

M

HEADPHONE MUTING Q812, 862


Q861

+

+

+

TH701

+

TEMPERATURE DETECT SWITCH

Q505, 506

D502

MUTING Q103


Q504, 505

STANDBY SWITCH

Q503, 504, 581

R-CH

D841

R-CH

R-CH

18 15

1716

OUT1 VOLIN1

14

2221

TOUT1 VOLUME CONTROL

SOUND CONTROL CIRCUIT

INPUT SELECT SWITCH

+R-CH

8

+ R-CH

R-CH R-CH

INPUT SELECT SWITCH, TONE CONTROL,

ELECTRICAL VOLUME IC102

IND1 INB1

INA1 INC1

6 4

3

2

INEX1

SWOU

T

BB B

1

BB A

1

RECB

1

DATA

CL

OCK

7

5

24

SAOU

T

MIC

19

+ CPU

INTERFACE

R-CH

J750

L

R

MD/VIDEO (AUDIO) IN

R-CH

J601

J401

L

RGAME INPUT

REC L-CHD(Page 24)

SPEANA (Page 26)

MIC

AUDIO

VIDEO OUT

VIDEO

J721 MIC AMP IC722 (1/2)

FEED BACK SWITCH

Q101

• SIGNAL PATH : TUNER (FM/AM)

: CD PLAY

: TAPE PLAY

: MD/VIDEO (AUDIO) IN : GAME INPUT (AUDIO) : GAME INPUT (VIDEO)

: REC

: MIC INPUT

FRONT SPEAKER PROTECT

RELAY DRIVE Q512

–2

–1

POWER AMP IC501

RV722 MIC LEVEL

MIC CONTROL

Q721

A +10V

MIC AMP IC722 (2/2)

E

7-4.

(Page 25)

AC IN

MHC-RG77

2626

DIAGRAMA EM BLOCO - Seção DISPLAY/KEY CONTROL/POWER SUPPLY

FL601 FLUORESCENT

INDICATOR TUBE

1 –

10, 1

2 –

22,

24 –

41,

43,

44

P1 –

P41

1G

– 1

5G

100

– 86

17 –

12

67 –

72

64 –

66

F01

– F0

6

BPF0

– B

PF5

4 LINE IN

11L+R

BAND-PASS FILTER IC602

73 ALL-BAND 6 REC IN

80 VOLUME-A 79 VOLUME-B

ROTARY ENCODER

S748 VOLUME

XE SPEANA

X601 4MHz

83 X1

82 X0

52 –

59,

74

LED-TAPE, LED-TUNER,

LED-MD-VIDEO, LED-CD,

LED-GAME, LED-DISC1, LED-DISC2, LED-DISC3,

LED-REC

LED DRIVE Q601 – 605,

Q791 – 793, 795

D604 – 608, D791 – 793, 795

D794

KEY0

– K

EY2

S751, 752, 754 – 762, S765 – 779, 782 – 792

60I2C-DATA 61I2C-CLOCK 77RESET

30 IIC-DATA 29 IIC-CLK 41 GC-RESET

74 POWER-KEY

73 DISPLAY-KEY

S749

S750 DISPLAY

75 STBY-LED

4 SIRCS

X502 16MHz

15 X-IN

13 X-OUT

X501 32.768kHz

10 XC-IN

11 XC-OUT

38CD-POWER


IC501 (4/4)

84STBY-RELAY

12RESET

20AC-CUT

B+ SWITCH Q911, 912

RECT D906 – 909

RECT D914 – 917

CD +3.3V +3.3V

REGULATOR Q102

+5V REGULATOR

IC911

M +9V

M +7V

A +10V TC +10V

D920 – 922

D502 D504

D501 D503

+4V REGULATOR

IC951

+4V REGULATOR

IC971

D +4V

+9V REGULATOR

IC961

+10V REGULATOR

IC101

CD D+5V CD A+5V

RESET SIGNAL GENERATOR

IC601 D505

RECT D918, 919, 923, 924

RECT D972 – 975

LED DRIVE Q794

T972 SUB POWER

TRANSFORMER

RECT D543

+VH

–VH

– 33V REGULATOR

Q941

POWER ON/OFF RELAY DRIVE

Q971

– VG RECT D977

VF1

VF2

RY971

(E)

T910 MAIN POWER

TRANSFORMER

RESET SWITCH

Q601

REMOTE CONTROL RECEIVER

IC603

TO FLUORESCENT INDICATOR TUBE

FL601

D +3.3V

EVER +4V

VOLTAGE SELECTOR

S901

FLUORESCENT INDICATOR TUBE DRIVER,

KEY CONTROL IC601

MHC-RG77

7-5. NOTA PARA DIAGRAMAS ESQUEMÁTICOS E PLACAS DE CIRCUITO IMPRESSO Localização das Placas de Circuito

Notas para placas de circuito impresso: X : peças extraídas do lado componente Y : peças extraídas do lado condutor : padrão da camada que é vista (Os outros padrões de camada não são indicados) Indicação dos transistores

C

B E

Q Estes são omitidos

Q

B C E

Estes são omitidos

Q

B C E

Estes são omitidos

Notas para diagramas esquemáticos: Todos os capacitores estão em µF a menos que especificados. pF: µµF 50 WV ou menos não são indicados, exceto para os eletrolíticos

and tantalums. Todos os resistores estão em Ω e 1/4 W a menos que espe-cificados. f : componente interno 2 : resistor anti-chama 5 : resistor fusível C : descrição no painel

Nota: Os componentes identificados com a marca 0 são críticos para a segurança. Somente os substitua por peças numericamente identificadas nesse manual.

A : B+ Line. B : B- Line. H : ajuste para reparo Tensões são obtidas comVOM (impedância de entrada 10 MΩ).

Variações de tensão são verificadas dentro de uma faixade tolerância;

Formas de onda são obtidas com um osciloscópio.Variações de tensão são verificadas dentro de uma faixade tolerância;

Números circulados referem-se a formas de onda. Simbologia

F : TUNER (FM/AM)E : TAPE PLAY (DECK A)d : TAPE PLAY (DECK B)G : RECJ : CD PLAY (ANALOG)c : CD PLAY (DIGITAL OUT)q : MD/VIDEO (AUDIO) INj : GAME IN (AUDIO)k : GAME IN (VIDEO)N : MIC INPUT

Placa MAIN TRANS Placa SENSOR

TUNER PACK

Placa

Placa POWER

Placa PAINEL

Placa CD SWITCH

Placa CD OPEN

Placa PAD SWITCH

Placa VOL

Placa SUB-TRANS

PRINCIPAL (Main)

Placa SENSOR (CD)

Placa DRIVER

Placa HEAD (A)

Placa SW

Placa GAME IN

Placa MOTOR

Placa BD

Placa HEAD (B)

27 27

MHC-RG77

2828

7-6. PLACA DE CIRCUITO IMPRESSO - PLACA BD - Veja pág. 27 para localização das placas de circuito.

qg IC501 qd (X-OUT)

qf IC501 qa (XC-OUT)

2.4 Vp-p

30.5 µs

1.9 Vp-p

62.5 ns

Formas de OndaPlaca BD

1.1 ± 0.4 Vp-p

1 IC103 qg (RFAC) (Modo CD Play)

2.5 Vp-p

7.5 µs

2 IC101 wh (MDP) (Modo CD Play)

0.3 Vp-p

3 IC101 el (TE) (Modo CD Play)

0.4 Vp-p

4 IC101 ra (TE) (Modo CD Play)

0.65 ± 0.15 Vp-p

5 IC101 t; (RFDC) (Modo CD Play)

5 Vp-p

59 ns

2.1 Vp-p

12.1 µs

qa Q302, Q303 ModoREC)

10.8Vp-p

12.1 µs

qs Q302, Q303 (Collector) (Modo REC)

6 IC101 yj (XTAO)

Ð Placa PRINCIPAL Ð

0.4 Vp-p

12.1 µs

qd Q302, Q303 (Emitter) (Modo REC)

2.8 Vp-p

250 ns

wa IC601 is (X0)

Ð Placa PAINEL Ð

IC10

2

IC101

IC103

A

B

C

D

1 2 3 4

M102(SLED)

2

87

1

M101(SPINDLE)

OPTICAL PICK-UPBLOCK

(A-MAX.3)

TP(DVC)

TP(RFAC)

TP(FEI)

TP(FEO)

TP(TEO)

TP(RFDC)

(Page 33)

D101 B-4

IC101 C-3IC102 B-2IC103 D-2

Q101 C-1Q102 B-4

Localização dosSemicondutores

Ref. No. Location

(Base) (

MHC-RG77

2929

7-7. DIAGRAMA ESQUEMÁTICO - Placa BD Veja pág. 28 para formas de onda. Veja pág. 48 para diagrama em bloco dos IC's.

Tensão e formas de onda estão em DC em relação ao terraem condição de ausência de sinal.sem indicação : CD PLAY

Os componentes identificados com a marca 0 são críticos para a segurança. Somente os subs-titua por peças

AMAIN

BOARD (1/4)CN201

1

2

3

4

5

6

RV101

E-F BALANCE(1 TRACK JUMP)

TP(RFDC)

TP2(TEO)

TP(DVC)

680

220k

33kTP

(FEI)

TP(RFAC)

Q1012SB710A-RT1AUTOMATIC

POWER CONTROL

RF AMP,FOCUS/TRACKING

ERROR AMP

FOCUS/TRACKING COIL DRIVE,SPINDLE/SLED MOTOR DRIVE

TP(FEO)

DIGITAL SERVO PROCESSORDIGITAL SIGNAL PROCESSOR,

DIGITAL FILTER,D/A CONVERTER

Q1022SD1664-T100-QR+3.3V REGULATOR

DSP+5V (SW)

D-OUT

DSP-GND

L-CH

RF-GND

R-CH

RF+5V (SW)

X-RST

CD-DATA

CD-CLK

LD-ON

SQ-DATA

SQ-CLK

M-GND

M+7V (UNSW)

X-LAT

(Page34)

identificadas nesse manual.

MHC-RG77

3030

7-9. DIAGRAMA ESQUEMÁTICO - PLACAS DRIVER/MOTOR/SENSOR (CD)

Tensões são dadas em DC em relação ao terraem condição de ausência de sinal.sem indicação : CD PLAY

7-8. PLACA DE CIRCUITO IMPRESSO - PLACAS DRIVER/MOTOR/SENSOR (CD) Veja pág. 27 para localização das placas de circuito.

14

(14)

14

(14)

14

(14)

C712

1

4

OPTICAL PICK-UPUP/DOWN DETECT

CN202

B

IC711

IC70

1S701DISC TRAY

OPEN/CLOSE DETECT

M721(TURN)

MAIN BOARD (1/4)CN202

B0.23.3

IC711SG-264

DISC TRAYSTATUS SENSOR

S711OPTICAL PICK-UPUP/DOWN DETECT

C7120.1

D+3.3V

D. GND

D+3.3V

D. GND

TURNMOTORDRIVER

D+3.3V

D. GND

(LOAD IN)

(LOAD OUT)

S701DISC TRAY

OPEN/CLOSE DETECTOPEN

CLOSE

(Page 33)

(Pag 34)

Ð

MHC-RG77

3131

7-10. PLACAS DE CIRCUITO IMPRESSO - PLACAS SW, HEAD (A) E HEAD (B)

PM901(DECK A)

PM902(DECK B)

1

R

CN304

IC1001

(DECK A PLAY)

IC1002

(DECK B HALF) (DECK B REC)

NO303NO302

A

B

C

D

E

F

1 2 3 4 5 6 7 8 9 10 11 12

S

C

HPRE901(REC/PB/ERASE HEAD)

(DECK B)HP901

(PB HEAD)(DECK A)

DECK AHALF

M901(CAPSTAN)M

(DECK A REC)

(DECK B PLAY)

Localização doSemicondutor

Ref. No. Location

D1001 B-4D1002 B-10

IC1001 B-2IC1002 B-10

Q1001 B-3

(Page 33) (Page 33)

(Page 33)

4

MHC-RG77

3232

7-11. DIAGRAMA ESQUEMÁTICO - PLACA SW

Tensões e formas de onda estão em DC em relação ao terra em condição de ausência de sinal.[ ] : TAPE PLAY (DECK A) : TAPE PLAY (DECK B) ⟨⟨ ⟩⟩ : REC

∗ : Impossivel de medir

C MAIN BOARD (3/4)

CN304

[3.3] [3.3]

[∗] 2.9 <<2.9>>

[1.5

] ∗

<<∗

>>

(CAPSTAN)

CAPSTAN MOTOR CONTROL SWITCH

TAPE SPEED (NORMAL)

TAPE SPEED (HIGH)

ROTATION DETECT

SENSOR (DECK A)

ROTATION DETECT

SENSOR (DECK B)

+3.3V

+3.3V

CAPM−

CAPM+

CAPMH/L

ATRGM+

TRGMGND

BTRGM+

S1001 (DECK A PLAY)

S1002 (DECK B PLAY)

S1003 (DECK A HALF)

S1005 (DECK A REC)

S1006 (DECK B HALF)

S1009 (DECK B REC)

C1001 33

10V

PM902 (DECK B)

PM901 (DECK A)

+3.3V

+3.3V

(Page 36)

MHC-RG77

3333

7-12. PLACA DE CIRCUITO IMPRESSO - PLACA PRINCIPAL

IC501

IC601

IC303

IC301

IC302

IC951 IC961 IC101

IC201IC102

IC911

MAIN BOARD

1-683-545-

11

(11)

FORCHECK

1

E

3

HPANELBOARDCN601

E

E

E

E

E

E

E

E CB

E

1 3

3 3 3

EE

E E

E

E

E

E

E

EE E

E

FORADJUSTMENT

21

30

31

40 1

10

11

20

E

E

E

9

1

1

1

8

E

E

EE

E

E

1

4

1 10

FGAME INBOARDNO606

CSW

BOARDCN1001

RHEAD (A)BOARD

CN1

SHEAD (B)BOARD

CN2

(CHASSIS)

113

K POWER BOARDCN503

113

G POWER BOARDCN502

21 1

22 42

1

3E

E

E

E

EE

1

2

VIDEO OUT

J401

L

R

1

3

M M901(FAN)

MD/VIDEO(AUDIO) IN

J750

CD DIGITAL OUTOPTICAL

IC201

A BD BOARDCN101B DRIVER BOARD

CN701TUNER UNIT

∗

FM75Ω AM

ANTENNA

∗ SUPPLIED WITH THE ASSEMBLED BLOCK

A

B

C

D

E

F

G

H

I

J

K

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

HCD-RG66T (E) MAINDGAME INBOARDNO607

(Page 28)(Page 30)

(Page 31)

(Page 31)

(Page 31)

Q101 E-8Q103 F-10Q151 E-8Q153 F-10Q201 C-7Q202 C-8Q203 C-9Q204 C-9Q205 C-9Q206 D-7Q207 D-7Q251 D-7Q301 J-6Q302 J-6Q303 J-5Q304 I-5Q305 I-4Q306 G-4Q307 J-6Q310 J-6Q389 G-4Q390 G-6Q391 F-4Q392 F-4Q393 F-4Q394 F-3Q395 F-4Q396 F-4Q397 F-3Q398 G-6Q399 G-5Q504 E-5Q505 E-5Q601 C-5Q812 K-4Q861 E-4Q862 K-4Q891 H-11Q892 H-11Q911 H-7Q912 G-7

Ref. No. LocationRef. No. Location

D121 E-9D122 E-8D501 E-3D502 C-5D503 E-3D504 C-5D505 B-2D508 B-2D509 E-3D601 C-5D602 B-4D603 C-5D841 F-8D906 J-8D907 J-8D908 J-8D909 I-8D914 J-8D915 J-8D916 J-8D917 I-8D918 J-7D919 J-7D920 H-8D921 H-8D922 H-9D923 J-7D924 J-7

IC101 I-8IC102 E-10IC201 E-12IC301 H-5IC302 I-5IC303 G-5IC501 C-3IC601 B-4IC911 G-7IC951 I-7IC961 I-8

Localização dos Semicondutores

(Page 38)

(Page 38)

(Page 40) (Page 40)

(Page 42)

3 1

1 1 1

E

E

E

3

3

6

3

MHC-RG77

3434

7-13. DIAGRAMA ESQUEMÁTICO - PLACA PRINCIPAL (1/4)

Tensões e formas de onda estão em DC em relação ao terra em condição de ausência de sinal.sem indicação : TUNER (FM/AM)( ) : CD PLAY

C702

C140

C210 C209

C206

C207

C203

R204

R254

C189

R285

Q201

R284

C163

C161C162R151

R152

C1

59

C1

68

C1

55

C1

56

C1

53

C1

58

C1

60

R153R162

C1

64

C1

65

R101

C1

09

C1

08

C1

06

C1

05

C1

18

C1

03

C1

50

C1

01

C112

R105

C110

C111

R103

C119

R104

R121

C121 D121

R190

C190 R191 C157 R155 C705

Q103

Q153

R163

R165

CN702

C703

C704

R154

C175

D1

22

C115C114

C116

C117

Q251R159

R701

R751 C751 R752

R702C701

CN202

CN783

R150

C122

R122

R166 R164

R102

C125

R116 R113

R114

R1

15

J750

R156 D841

R157

EPT901

Q151

Q101

IC102

R1

80

C180

FB701

FB751

C200

L201100µH

C201

FB201CN201 C2

28

C2

26

C2

24

R224

R226

R228

C202

C212 C211

Q207

Q206

Q205

Q202

R208R206

R209

R2

07

IC201

J401

C752

R286

C113

R109

C104 R108

C205

FB203

FB204

Q204

Q203

R158C154

R212

R217

R219

JW704

FB210

FB219

FB218

FB217

FB216

FB214

FB213

FB212

FB211

FB215

FB208

FB220

2.2 50V

0.1

0.1 47010V

0.1

1000 6.3V

0.022

10k

10k

0.1

22k

2SC3661

470k

1050V

0.0068150V2.2k

10k

0.0

22

10

50

V

10

50

V

10

50

V

10

50

V

0.0

22

0.0

33

10k510

0.2

2

0.3

3

2.2k

0.0

22

0.0

22

10

50

V

10

50

V

10

50

V

10

50

V

10

50

V

10

01

6V

150V

10k

0.033

0.0068

10k

1050V

47k

1k

470p 1SS355

2.2k

1050V 2.2k 0.47

50V 1M 0.1

2SC3661

2SC3661

1k

10k

11P

0.022

0.022

47k

4.7 50V

1S

S3

55

0.330.22

10016V

0.1

2SC366133k

1k

1k 220p 100k

100k220p

10P

2P

2.2k

470p

1k

10k47k

510

4.750V 10k 1k

47k

10

k

2P

100k 1SS355

4.7k

2SC1623

2SC1623

M61519FP

10

k

0.068

0.1

10010V

21P

0.0

1

0.0

04

7

0.4

7

2.2k

330k

100k

10006.3V

0.001 0.022

FN1F4M

FA1A4M

2SC1623

2SC1623

10k10k

10k

10

k

TOTX141

1P

2.250V

22k

1050V

33k

10 50V 1k

0.022

2SA812

2SA812

1k10 50V

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

A1

A2

A3

A4

A5

A6

A7

A8

B1

B2

B3

B4

B5

B6

B7

B8

C1

C3

C4

C6

C7

C8

24

26

28

43

35

37

40

32

34

33

19

27

25

23

22

3

2

21

81

82

44

45

46

47

48

49

36

50

AA1

AA2

AA3

AA4

AA

1A

A2

AA

3A

A4

ZZ1

ZZ2

ZZ3

D.GND

D-OUT

3.3V

GM(V)-GND

GM(V)-SIG

D-0UT

R-CH

L-CH

M-GND

X-RST

X-LAT

SENS

SQ-CLK

SQ-DATA

SCOR

CD-DATA

CD-CLK

M+7V(UNSW)

PWM3

PWM2

PWM1

LD-ON

DSP-GND

RF-GND

DSP+5V(SW)

RF+5V(SW)

D.GND

TBL ADDRESS SW

BU UP/DOWN SW

MGND

M+7V

OPEN SW

CLOSE SW

D+3.3V

MTR CNT2(LOAD IN)

MTR CNT1(LOAD OUT)

ST-CLK

ST+10V

TUNED

ST-CE

STEREO

ST-L

A-GND

ST-R

ST-MUTE

ST-DOUT/MC-DIN

ST-DIN /MC-DOUT

(1/4)

MUTING

MUTING

(CHASSIS)

∗

ANTENNATUNER

UNIT

FM

THE ASSEMBLED

BLOCK

∗ SUPPLIED WITH

FEED BACK

SWITCH

FEED BACK

SWITCH

INPUT SELECT

SWITCH,

TONE CONTROL,

ELECTRICAL

VOLUME

MUTING

MUTING

Q206,207

MUTING CONTROL

SWITCH

SWITCH

Q202-205

LASER DIODE ON

OPTICAL

TRANSCEIVER

R

L

(AUDIO)IN

OPTICAL

VIDEO OUT

MD/VIDEO

CD DIGITAL OUT

AM

75Ω

(Page 35)

(Page 36)

(Page 37)

(Page 39)

(Page 29)

(Page 30)

MHC-RG77

3535

7-14. DIAGRAMA ESQUEMÁTICO PLACA PRINCIPAL (2/4)

R814

C783

CN891C892Q891

R891

R893

Q892

R921

CN781

CN901

R819

R869

R892 R866

R816

R862

R864

R510

R865R863

R861

R508

R501

JW813JW815

Q504

Q505

C504

Q861

C861

Q862

Q812

C863

C813

M891

1k

0.1

3P0.12SB1116

10k

2.2k

2SC2603

47 1W

10P

13P

680 2W

680 2W

4.7k 56

56

10k

1k

470k

100k100k

1k

15k

68k

FN1F4M

FA1A4M

1 50V

FN1F4M

47 50V

2SC3661

2SC3661

4.7 100V

4.7 100V

A1

A2

A3

A4

A5

A6

A7

A8

D1

D2

D4

D5

D7

D8

88

87

ZZ1

ZZ2

ZZ3

78

80

2

3

FAN+

FAN

SP PROTECT IN

FAN DET

-B

R-IN

A-GND

SW PROTECT

HP-R

HP-L

POWER-GND

POWER-GND

L-IN

HP-R

HP-GND

HP-L

A+10V

MIC-SIG

GM(A)-R

GM(A)-GND

GM(A)-L

(2/4)

SWITCH

MUTING

CONTROL

SWITCH

MUTING

CONTROL

SWITCH

MUTING

CONTROL

MUTING

HEADPHONE

MUTING

HEADPHONE

Q891,892

FAN MOTOR

DRIVE

(FAN)

MIC-AGND

HEADPHONE CONTROL

FRONT RELAY

DBFB FEEDBACK

(Page 34)

(Page 37)

(Page 39)

(Page 41)

Tensões e formas de onda estão em DC em relação ao terra em condição de ausência de sinal.sem indicação : TUNER (FM/AM)

Os componentes identificados com a marca 0 são críticos para a segurança. Somente os subs-titua por peças identificadas nesse manual.

MHC-RG77

3636

7-15. DIAGRAMA ESQUEMÁTICO - PLACA PRINCIPAL (3/4), PLACA HEAD (A) E HEAD (B)

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

Tensões e formas de onda estão em DC em relação ao terra em condição de ausência de sinal.[ ] : TAPE PLAY (DECK A) : TAPE PLAY (DECK B)⟨⟨ ⟩⟩ : REC

TP

31

1

R366

C312

R305R304

R316

R371

R374

R373

R377

R378

CN304

TP321

TP322

TP323

TP301

TP303

TP304

TP306

TP307

TP308

NO303

NO302

C321

C371

C326

C376

C335

C336

Q303

R3

45

C3

38

R3

46

C3

39

C3

40

C341 R347 C342

R328R317

Q310

Q307Q301

L351

C382

RV354

R382

C383 C381

Q305

Q304 R342R332

R329

C332

R351 C3

53

C3

55

R370R352C364 R354 RV351

IC303(2/2)

R313

R333 C316

C395

R398

C398

C399 R397

C397

C315R315R327

R365 C365

R362

R334

CN301

C391 R314 C390

R393

RV304

C334 C384

Q302 C337

R375

C385

C331

L301

C333

R379 R392

R361 R391 R363 R399C363C362

Q392 Q394

R364R360

Q397

R369R368

R367

Q396

C356

R380C361

C351

C359

TP338

C310

C309

R311

R310

R312

R308

R309

R306TP320

IC301

C301

R301

C303C305

C306

TP318TP325

RV301

C311

R330

R302

R394

Q390

Q398

Q399

R395

R388 R387

R390C396R396

Q395

Q393Q391

R344

T301

TP317

HP901

HRPE901 CN2

CN1

Q389

Q306

R320

C314

JR390

R355

C304

C354

TP

309

R343

C308C307

R307

3.3k

10 50V

47k2.2k

10k

47k

47k

1k

47k

75k

17P

8P

3P

390p

390p

390p

390p

0.01100V

2.250V

2SC2001

18

k

68

00

p

18

k

68

00

p

18

00

0p

1050V 3.3k 47

16V

2.2k10k

FA1A4M

2SA8122SC3624

27mH

0.00012

220k

8.2k

330p 0.01

FA1A4M

FN1F4M 2.2k8.2k

10k

0.00012

3.3k

0.1

15

0V

2.2k4.7k2200p 2.2k 47k

NJM4565M(TE2)

1k

2.2k 1

22p

2.2M

0.01

0.01 15k

1050V

110k15k

10k 1

10k

100k

3P

10010V 1k 470

10V

4.7k

220k

27p 27p

2SC2001 15000p

75k

1050V

0.01

27mH

330p

10k 2.2k

2.2k 2.2k 2.2k 2.2k4700p4700p

FA1A4M FA1A4M

680680

FA1A4M

3.3k3.3k

47k

2SB1068

2.250V

22k1050V

0.01

4716V

10 50V

47 16V

100

100

100

100

4.7k

22k

HA12237

0.01

3.3k

0.11

50V

2.250V

47k

1050V

22k

4.7k

10k

FA1A4M

FA1A4M

2SC3624A

4.7k

22k 10k

10k2250V10k

FA1A4M

2SB11162SB1116

5.6

6P

3P

FA1A4M

FA1A4M

2.2k

2200p

47k

5.6

47016V10

50V

1M

B1

B2

B3

B4

B5

B6

B7

B8

E1

E2

E3

E4

E5

E6

E7

52

58

67

66

68

61

YY1

YY2

YY3

YY4

YY5

YY6

YY1

YY2

YY3

YY

3

YY

4

YY5

YY

5

YY

6

57

56

70

90

91

89

XX1

XX2

XX3

XX4

XX1 XX2 XX3 XX4

51 54 5569 65

53

L-PB

L-REC

R-PB

E-HOT

R-REC

L-PB

R-PB

CAPM+

AHALF

ASHUT

DGND

BSHUT

BMETAL

CAPM-

CAPMH/L

ATRGM+

BTRGM+

TRGMGND

BHALF

L

GND

R

GND

GND

GND

GND

EOU

T2

TA

I2

PB

-OU

T2

NC

REC

-IN

2

ALC

2

NC

REC

-OU

T2

A/B

VCC

GND

I-REF

TEST

REC

-OU

T1NC

ALC1

REC

-IN

1NC

PB

-OU

T1

TA

I1

EQO

UT1

PB-NF1B

AIN1

RIP

BIN1

GND

BIN2

NC

AIN2

RETNREC-

PB-NF2A

NF1APB- P

B-

EQ1

ALCDET

REC MUTEON/OFF

ON/OFFMUTE

SPEEDNORMAL/HIGH

OFF

PB

-EQ

2

NF2

BP

B-

ALC ON/

SW

.R2

GN

D

SW

.P2

CO

NT.

SW

.P1

GN

D

SW

.R1

VCC

GN

D

(3/4)

Q396,397

CAPSTAN MOTOR

DRIVE

INVERTER

Q393,394

TRIGGER PLUNGER

DRIVE(DECK A)

TRIGGER PLUNGER

Q391,392

DRIVE(DECK B)

Q301,307,310

REC BIAS

SWITCH

Q302,303

BIAS OSC

BIAS OSC

/70A120

BPLAY.SW

/70120B

APLAY.SW

(FOR ADJUSTMENT)

L-CH

R-CH

TAPE

1

7

ERASE

R-CH

L-CH

(REC/PB/ERASE)

(DECK B)

(DECK A)

(PB)

MECHANISM DECK

(TCM-230AWR41) (CHASSIS)

(CHASSIS)

MUTING CONTROL

SWITCH

MUTING

BUFFER

BUFFER

BUFFER

REC/PB SWITCHING

REC/PB SWITCHING

Q304,305

DECK A/B SELECT

SWITCH,

REC/PB EQ AMP,

ALC

LOW-PASS

FILTER

+3.3V

BLOCK

µPC1330HIC302

100µHL302

IC303(1/2)NJM4565M(TE2)

(Page 34)

(Page 37)

(Page 32)

MHC-RG77

3737

7-16. DIAGRAMA ESQUEMÁTICO - PLACA PRINCIPAL (4/4)

Tensões e formas de onda estão em DC em relação ao terra em condição de ausência de sinal.sem indicação : TUNER (FM/AM)( ) : CD PLAY

C920

D907 D906

D908D909

C919

C918

D916D917

D915 D914

C917

C916

D919D924

D923 D918

C914

C915

C910

R917

C911

IC951

C925 C951

IC961

C961

IC101

C922 C921

C909

D921

D509

D508

D501

D502

D503

D504

D505

D601

C434

C432

R532

C433

R541

R549

R448

R447

R446

R544

R545

R543

C546

R540

R432

R433

R434

R535

R536

R537

TP431

TP439

TP530

TP

52

9

R530

R529

R4

19

R4

20

R5

17

C516

C416

R575

C512

X502

R513

X5

01

C5

11

C510

R509

R5

11

R4

30

R4

29

R503R502

C502

TP437

TP485R584

R591

R590

R589

R588

R5

57

R5

56

TP

46

3

C564

C562

CN401

C962

C932

CN902

CN501

D9

22

D9

20

C601

IC601

C602R604D603

R603 C603

C530

R602 D602

R601

TP514

R548

R5

47

R546

R579

TP516

R918

R919

Q912

IC911

JW951

C596

FB599

Q601

FB516

FB562

R583

R488

R574

R573

R580

IC501

Q911

R470

R5

85

C598 C498

R493R593 R492

C912

330025V

11ES2N 11ES2N

11ES2N11ES2N

0.1

0.1

11ES2N11ES2N

11ES2N 11ES2N

0.1

0.1

11ES2N11ES2N

11ES2N 11ES2N

0.1

0.1

220016V

2.2k

0.1

47010V 0.1

AN7809

0.1

M5F7810L

47016V 0.1

100025V

11ES2N

1SS355

1SS355

1SS355

1SS355

1SS355

1SS355

47p

47p

47k

47p

10k

100

100

100

100

100

100

100

0.001

100

100

100

470

470

100

470

10k

10k

0 4.7

k

10

k

22006.3V

0.1

10k

0.1

16MHz

0

32.7

68K

Hz

15

p

22p

10k

33

0k

10

0

10

0

10k10k

0.022

100

100

100

100

10k

10

0

10

0

0.01

10010V

30P

47010V

47010V

13P

4P

11

ES

2N

11

ES

2N

1050V

M62703ML

0.147k1SS355

47k 0.1

100p

4.7k 1SS355

220

10k

10

k

10k

10k

2.2k

2.7k

FA1A4M

0.1

2SC1623

100

100

10k

10k

10k

M30620MCN-A00FP

RT1P137L-TP

100

10

k

1050V 0.1

4.7k1k 0

22006.3V

C1

C3

C4

C6

C7

C8

D1

D2

D4

D5

D7

D8

E1

E2

E3

E4

E5

E6

E7

53

58

65

66

67

68

69

52

51

54

55

70

90

91

89

56

57

24

26

43

35

37

40

33

32

19

44

45

46

47

48

49

81

28

34

61

83

84

86

87

77

76

29

30

50

78

38

88

80

82

4

73

74

75

41

36

84

86

83

27

21

22

25

23

32

RR1

RR2

RR3

RR4

RR1

RR2

RR3

RR3

RR4

RR4

41

29

30

4

73

74

75

38

IIC-DATA

SPEANA

IIC-CLK

SIRCS

KEY INT DISPLAY

KEY INT POWER

POWER LED

D+4V

D+4V

EVER+4V

EVER+4V

EVER+4V

VF(1)

VF(1)

VF(2)

VF(2)

VG

VG

A+10V

A+10V

A+10V

GC+4V

GC-RESET

D-GND

D-GND

D-GND

D-GND

A+10V

SPEANA

SPEANA

VF(1)

VF(2)

FAN ON

-VG

AC4(1)

AC4(2)

AC3(1)

AC3(2)

EVER+4V

D-GND

STK MUTE

IIC-CLK

IIC-DATA

D+3.3V

D-GND

X-O

UT

VS

S

X-I

N

VC

C

NM

I

SC

OR

IIC

-CL

K

SQ-CLK

CD-DATA

CD-CLK

ST

-MU

TE

ST

-CE

ST

-DO

UT

ST

-DIN

ST

-CL

K

XRST

VC

C

VS

S

TC

-MU

TE

EQ

-H/N

PB

-A/B

MODEL-IN

AVSS

VREF

AVCC

TC

-RE

LA

Y

XC

-IN

XC

-O

UT

GN

D

GN

D

RE

C-M

UT

E

AL

C

BU UP/DOWN-SW

A-TRIG

B-T

RIG

CA

PM

-H/L

A-SHUT

A-H

AL

F

B-SHUT

A-P

LA

Y

B-HALF

B-P

LA

Y

CLOCK-OUT

TXD1

GEQ

SIR

CS

SU

R1

SU

R2

SU

R3

BU

-PW

M3

BU

-PW

M2

BU

-PW

M1

CD-POWER

SENS

OPEN-SW

CLOSE-SW

STK-MUTE

STBY-RELAY

FRONT-RELAY

LOAD-OUT

LOAD-IN

ON

/OFF

AU

DIO

OU

T

LD-ON

SQ-DATA-IN

TBL-SENSCA

PM

-CN

T1

SO

FT-T

ES

T

DIS

PLA

Y-K

EY

PO

WER

-KEY

STB

Y-L

ED

PROTECTOR

AM

S-I

N

TU

NE

D

STER

EO

DEST-IN

CD-MUTE

GA

ME

/VC

DV

IDE

O-O

UT

HP

-MU

TE

HP

-DE

TE

CT

SW

-LIN

K-L

ED

LIN

E-

MU

TE

DATA

LINK-RELAY

SW-AD-KEY

SW-RELAY

NO

-US

E

NO

-US

E

NO-USE

USE

NO-

DATA

IIC-

(4/4)

STBY RELAY

LINK RELAY

(FOR CHECK)

B+ SWITCH

B+ SWITCH

+5V REGULATOR

+4V REGULATOR

GIO

GIO

GIO

+9V REGULATOR

GIO

+10V REGULATOR

GIO

RESET SIGNAL

GENERATOR

RESET

SWITCH

SYSTEM CONTROLLER

(CD MECHANISM CONTROL)NO-USE

RES

ET

AC

-CU

T

XLT

GC-RESET

SW

-ON

-LE

D

SW

-MA

TR

IX-S

UR

R-2

-LE

D

SW

-MA

TR

IX-S

UR

R-1

-LE

D

BIA

S

GEQ CLK

NO-USE

µPC7805A

µPC3504

[ ] : TAPE PLAY (DECK A) : TAPE PLAY (DECK B)⟨⟨ ⟩⟩ : REC

∗ : Impossivel de medir

(Page 34) (Page 35)

(Page36)

(Page 41)

(Page 43)

MHC-RG77

3838

7-17. PLACA DE CIRCUITO IMPRESSO - PLACA GAME IN

IC722

GAME IN BOARD

1-683-534-

11

(11)

32

4

1

5

PHONES

J631

MICLEVEL

RV722

2

4 57

1

1

4

MIC

J721

8

5

R L

AUDIO VIDEO

GAMEINPUT

J601

(CHASSIS)

(CHASSIS)

1 0

1 2

F DMAIN BOARDCN781

MAIN BOARDCN783

(Page 33)(Page 33)

3

6

1

MHC-RG77

3939

7-18. DIAGRAMA ESQUEMÁTICO - PLACA GAME IN

JW611

C606

C604

JW610

C636

JW609

JW603

EP701

C747 IC722(1/2) C741

C719

C736

C737

IC722(2/2) C738

C718 C717

Q721

CLP702

EP703

JW613

TP732

TP731

TP733

TP734

TP735

TP736

TP737

TP738

TP739

TP741

TP742

NO606

NO607

J721

J631

C631

C630

R604

R605

R602

R603

C634

C716

C749

R743 C744

R742

R739

R738

R737

C743 R736

C740

R735 R734 R744

C715

RV722

R721

R722R746

C635

J601

R745 C7

48

R740

2.2 50V

2.2 50V

0.1

2.2 50V

NJM4565D 0.15 50V

2.2 50V

10 50V

10 50V

NJM4565D 2.2 50V

100 10V

100 10V

2SC2785TP

10P

2P

0.001

0.001

100k

100k

1k

1k

0.001

47p

0.1

10k 0.001

1k

100k

1k

22k

470p 10k

100p

180k 100 100k

47p

50k

12k

18k1k

0.001

3P

100

0.0

22

2.2k

HP-L

HP-R

HEADPHONE CONTROL

A+10V

HP-GND

GM(A)-L

GM(A)-R

GM(A)-GND

GM(V)-SIG

GM(V)-GND

(CHASSIS)

(CHASSIS)

(CHASSIS)

MIC

L

R

AUDIO

VIDEO

GAME

INPUT

PHONES

MIC-AGND

MIC-SIG

MIC AMP

3

2

4 1

6

5 7

8

LEVEL

MIC

MIC

CONTROL

(Page 34)

(Page 35)

MHC-RG77

4040

POWER BOARD

1-683-541-

11

(11)

E

E

E

EE

E E

E

E

EE

E

E

1 E

13

4

4

1

1

B

C

E

1

3

13 1 13 1

12

E

E

IC501

−2

−1

−2

−1 −

+

−

+

−

+

−

+

R

L

R

L

FRONT SPEAKERIMPEDANCE USE 6-16Ω

SURROUND SPEAKERIMPEDANCE USE 24Ω

(CHASSIS)

NSUB-TRANS

BOARDCN976

MMAIN

TRANSBOARDCN997

K MAIN BOARDCN902 G MAIN BOARD

CN901

(CHASSIS)

SENSOR BOARD

1-683-542-

11

(11)

12

A

B

C

D

E

F

G

H

I

1 2 3 4 5 6 7 8 9 10

TM501

7-19. PLACA DE CIRCUITO IMPRESSO – PLACAS POWER/SENSOR –

(Page 46)

(Page 46)

(Page 33) (Page 33)

D501 D-7D502 B-7D503 E-6D504 F-9D506 H-7D507 G-8D508 C-2D509 C-2D510 I-7D511 G-8D543 E-3D551 D-8D581 C-3D941 F-2

IC501 E-9

Q501 D-7Q502 B-5Q503 C-3Q504 C-3Q505 B-4Q506 B-4Q507 B-7Q508 B-7Q509 B-6Q510 B-5Q511 B-5Q512 B-5Q513 B-3Q551 D-7Q581 B-3Q831 B-4Q941 F-1

• Localização dosSemicondutores

Ref. No. Location

MHC-RG77

4141

R533

R515

R514

R531

C942D941

R945R942R943

C525C523C524

JW567

JW566

C544

C545

EP501

D5

11

D5

07

D5

08

D509

R564 R565

R548R547

R545

JW517

Q510

Q502

D506

C516R544

R543

R537

Q507Q508

D502

R528

R532R521

Q505

R522

Q506

R592

R542

C526

Q513

R5

46

C514

R538C515

C507

C508

R509

R559

C558

C557

R507

R557

R505

R555

R516

R517

Q504

R513R582

C581R581

R561

C559

R554

Q581

Q503

R503

C504

C554

R553

R502

C502

R552

R551C551

R501C501

C552

C509

C512

C943

CN503

NO501

NO504

CN502

NO505CN701

Q941

D543

D510

JW563

JW604

TM501

R527

RY502

RY501R529 R530

Q512

C517Q501

D551

D501

D581

R504

R511

Q551

Q831

JW573

TH701

EP502

JW561

Q511

C541

C513

R591C592

D541

C5

42

R541C546

C596

R540

R539

R523

R506

R556

R558

R560

C503

IC501(1/2)

IC501(2/2)

R524

D503

C553

R520

D504

C591

R510

R508

Q509

47k

22k

2.2k

220

1050V

MTZJ-T-72-33D

8.2k8.2k1k

0.010.010.01

0.1100V

0.1100V

1S

S1

33

T

1S

S1

33

T

1S

S1

33

T

1S

S1

33

T

4.7k 4.7k

47k47k

4.7k

2SC2785

2SC2785

1SS133T

10010V10k

68k

10k

2SC27852SC2785

1SS133T

47k

560k100k

2SC2785

100k

2SC2785

100k

100k

1050V

BA1F4M

22

k

10010V

47k2.250V

0.068

0.068

101/2W

101/2W

0.068

0.068

100k

100k

1k

1k

10k

10k

2SC1841

33k33k

2250V33k

100

22100V

47k

2SC1841

2SA988TP

220

10010V

10010V

47k

470p

47k

1k4.750V

1k4.750V

470p

22100V

0.01

10050V

13P

13P

3P

13P

2P2P

2SB1375

D5SBA20

1SS133T

56k 22k 22k

BA1F4M

1050V2SC1841

1SS133T

1SS133T

1SS133T

47k

100

2SC1841

2SC2785

2SC2785

0.1

0.01

100k330050V

D5SBA204101

33

00

50

V

100k2200100V

2200100V

3302W

3302W

82k

22k

22k

0.15W

0.15W

220p

STK412-150

STK412-150

3.3k1W

MTZJ-T-72-18C

220p

3.3k1W

MTZJ-T-72-18C

0.1

0.15W

0.15W

2SA1175

AA1

AA2

AA3

AA4

AA5

AA6

AA7

AA8

AA1

AA2

AA3

AA4

AA5

AA6

AA7

AA8

VH

VH

GND

GND

VL

VL

AC3

AC3

AC4

AC4

VP

VF

VF

STBY RELAY

D-GND

R-IN

A-GND

L-IN

STK MUTE

STBY RELAY

D-GND

-B

FAN ON

DBFB FEEDBACK

FAN DET

SP PROTECT IN

FRONT RELAY

EVER+4V

SW PROTECT LINK RELAY

-VG

EVER+4V

VF(1)

VF(2)

AC4(1)

AC4(2)

AC3(1)

AC3(2)

-33V

REGULATOR

(CHASSIS)

-1

-2

R

L

R

L

FRONT SPEAKERIMPEDANCE USE 6 − 16Ω

SURROUND SPEAKERIMPEDANCE USE 24Ω

FRONT SPEAKER

DRIVE

PROTECT RELAY

-1

-2

PROTECT

SWITCH

Q509 − 511

OVER LOAD

DETECT SWITCH

Q507,508

DC DETECT SWITCH

OVER LOAD

DETECTSWITCH

STANDBY

SWITCH

STANDBY

SWITCH

STANDBY

POWER AMP OVER LOAD

DETECTDETECT SWITCH

Q505,506

TEMPERATURE

FAN MOTOR

ON SWITCH

SURROUND

SPEAKER

PROTECT

RELAY

DRIVE

(CHASSIS)

POWER-GND

POWER-GND

HP-R

HP-L

2

4

3

1

2

41

3

(RG77)470 (GX8000)

220 (RG77)470 (GX8000)

R518R51233k1

R51968k

7-20. DIAGRAMA ESQUEMÁTICO – PLACAS POWER/SENSOR

• As tensões estão em DC em relação ao terra, em condição de ausência de sinal.sem indicação : TUNER (FM/AM)

(Page 35)

(Page 47)

(Page 47)

(Page 37)

MHC-RG77

4242

7-21. PLACAS DE CIRCUITO IMPRESSO - PAINEL / CD OPEN / CD SWITCH

IC602

IC601

PANEL BOARD

1-683-533-

11

(11)

3029

12

HMAIN

BOARDCN401

19

1810

E

CD SYNCHI-DUB

S779

RECPAUSE/START

D795, S751

1

8

PPAD SWITCH

BOARDNO605

(FOR CHECK)

1

30

31

50 51

80

81

100

FL601FLUORESCENT INDICATOR TUBE

19

8

63

6266 68 70

6

E

E

E

E

E

E

I/

D794, S749

CD

D605, S787

TUNER/BAND

D604, S786

TAPE A/B

D606, S785

MD (VIDEO)

D607, S784

GAME

D608, S783

GAME MIXING

S782

CD OPEN BOARD CD SWITCH BOARD

1-683-537-

11

(11)1-683-538-11

(11)

OPEN/CLOSE

S792EX-CHANGEDISC SKIP

S791E

DISC 3

D793, S790

DISC 2

D792, S789

DISC 1

D791, S788

6

S749,751S779 − 792

A

B

C

D

E

F

G

H

1 2 3 4 5 6 7 8 9 10

E

(Page 33)

Localização doSemicondutor

Ref. No. Location

D604 C-10D605 B-10D606 C-10D607 D-10D608 D-10D610 B-3D612 B-3D614 C-3D791 H-7D792 H-6D793 H-5D794 A-10D795 G-1

IC601 C-5IC602 F-1

Q601 B-10Q602 B-10Q603 C-10Q604 D-10Q605 D-10Q791 H-8Q792 H-8Q793 H-5Q794 A-10Q795 G-2

(Page 44)

8

1

53

1

1E

MHC-RG77

4343

7-22. DIAGRAMA ESQUEMÁTICO - PLACAS PAINEL / CD OPEN / CD SWITCH

Tensões e formas de onda são dados em DC em relação ao terraem condição de ausência de sinal.sem indicação : TUNER (FM/AM)

FL601

CN601

TP

60

2

TP

603

TP

60

4

TP

605

TP

606

TP

60

7

TP

608

TP

609

TP

61

0

TP

61

1

TP

61

2

TP

61

3

TP

61

4

TP

61

5

TP

61

6

TP

61

7

TP

61

8

TP

61

9

TP

62

0

TP

62

1

TP

62

2

TP

62

3

TP

62

4

TP

62

5

TP

62

6

TP

62

7

TP

62

8

TP

62

9

TP

630

TP

63

1

TP

63

2

TP

63

3

TP

63

4

TP

635

TP

636

TP

63

7

TP

638

TP

639

TP

64

0

TP

64

1

TP

64

2

TP

64

3

TP

64

4

TP

64

5

TP

64

6

TP

64

7

TP

64

8

TP

64

9

TP

650

TP

65

1

TP

65

2

TP

653

TP

65

4

TP

655

TP

656

TP

657

TP

658

TP674

TP675

TP676

TP677

TP678

TP679

TP680

TP701

TP702

TP703

TP704

TP705

TP706

TP707

TP708

TP709

TP710

TP711

TP712

TP713

TP714

TP715

TP716

TP717

TP718

TP719

TP720

TP721

TP722

TP723

TP724

TP725

TP726

TP727

TP728

TP729

TP730

TP681

IC602

C608

C610

D614

Q601Q602Q603

X601 NO604

CNS601

Q604Q605Q795Q794

D605D608

C622

C652

TP601

NO602

C619

C653

S749

D612

D792 D791D793

S788 S789 S790 S791

NO603

R618

C611 C612 R681 R680

FB6

03

R749

R795

D604D606D607D795

R660

C620 C618

R613

C609 R614

R611

R606

R607

C710

R8

21

R8

22

R8

23

R8

24

R8

20

R8

19

R8

25

R646

R645

R647

D610

R792

S792

R800 R799 R798

R788 R789 R790 R791

R751

S751

R779

R662

R6

63

R661

R6

55

R6

56

C712

R657 R659

R654

R652

R653

R8

17

R8

18

C623C6

29

C6

28

C6

27

C6

26

C6

25

C6

24

IC601

C711

C651

S787

S786

S785

S784

S782

S783

S779

R780

R781

R782

R783

R784

R785

R786

R787

Q791Q792Q793

R601 C613

R626R627R628R629R630R801

D794

R612

R682

JW619

JW620

JW621

JW622

30P

BA3830F-E2

1050V

1050V

IIES2

BA1A4MBA1A4MBA1A4M

4MHz 8P

8P

BA1A4MBA1A4MBA1A4MBA1A4M

SEL5923ASEL5923A

4.750V

1050V

6P

4710V

1050V

IIES2

SEL5923A SEL5923ASEL5923A

6P

10k

1050V 0.01 680 330

270

150

SEL5923ASEL5923ASEL5923ASLR325VC

1M

0.01 0.01

27k

0.0033

33k

47k

270k

270k

0.01

68

0

68

0

68

0

68

0

68

0

39

0

39

0

100

10k

100

MTZJ-T-72-5.1B

68k

150 150 150

10k 15k 22k 33k

470

470

10k

10

k

10k

10

0

10

0

0.01

15k 15k

100

10k

10k

1k

1k

0.001

0.0

1

0.0

1

0.0

1

0.0

1

0.0

1

0.0

1

MB90M407PF-G-114-BND

0.01

0.1

680

1k

1.5k

1.5k

2.2k

3.3k

4.7k

6.8k

BA1A4MBA1A4MBA1A4M

82k 6.850V

330330330330330220

SELS5223S

22k

22k

66

65

48

60

61

73

72

69

67

70

71

72

73

68

12

13

14

15

16

17

18

19

20

21

22

24

25

26

27

28

29

30

10 9 8 7 6 5 4 3 2 1

100

99

98

97

96

95

94

71

70

69

68

67

79

80

77

77

93

86

87

88

89

90

91

92

52

53

54

55

56

74

2345678910

12

13

14

15

16

17

18

19

20

21

22

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

44

88

87

86

89

90

91

92

93

94

95

96

97

98

99

100

52 53555456

57

58

59

31

32

33

34

35

36

37

38

39

40

41

43

44

61

60

1

49 51

43

48

74

64

65

79

80

66

64

56

54

53

52

51

49

AA1

AA2

AA3

AA1 AA2 AA3

57

58

59

F1

F1

NP

NP

NP

NP

F2

F2

F2

NP

NP

NP

NP

F1

VG

VCC-CPU

VSS-CPU

AV

SS

AV

CC

MD

2

VKK

MD0

VS

S-I

O

VD

D-F

IPVG

A+10V

A+10V

A+10V

D+4V

D+4V

GC+4VP1

P2

P3

P4

P5

P6

P7

P8

P9

P1

0

P1

1

P12

P1

3

P14

P1

5

P1

6

P1

7

P1

8

P1

9

P20

P21

P22

P23

P24

P25

P26

P27

P28

P29

P30

P31

P32

P33

P34

P35

P36

P37

P38

P39

P40

VSS-IO

P41

P41

P40

P39

P38

P37

P36

P35

P34

P33

P32

P31

P30

P29

P28

P27

P26

P25

P24

P23

P22

P21

P20

P1

9

P1

8

P1

7

P1

6

P1

5

P14

P1

3

P12

P1

1

P1

0

P9

P8

P7

P6

P5

P4

P3

P2

P1

G1

G2

G3

G4

G5

G6

G7

G8

G9

G1

0

G1

1

G1

2

G1

3

G1

4

G1

5

FLUORESCENT INDICATOR TUBE

DISC 1 LED

DISC 2 LED

DISC 3 LED

GC DGND

KEY 2

+4V

SPEANA

SIRCS

KEY INT DISPLAY

POWER LED

VF(1)

IIC-DATA

IIC-CLK

KEY INT POWER

VF(2)

VF(1)

VF(2)

A+10V

SPEANA

SPEANA

DISC 1 LED

DISC 2 LED

DISC 3 LED

GC DGND

KEY 2

+4V

VOL 1B

VOL 1A

KEY 1

KEY INT DISPLAY

KEY 0

DGND

EVER +4V

SIRCS

MD2

INT0

INT1

SI0

S00

VCC-CPU

GC DGND

MD0

F01

F02

F03

F04

L+R

VCC

BIAS

GND

RST.C

RST

R01

R02

F06

F05

LINENF

INLINE

NFREC

INREC

BAND-PASS

FILTERD-GND

D-GND

D-GND

D-GND

EVER+4V

EVER+4V

EVER+4V

GC-RESET

(FOR CHECK)

TUNER/BANDCDTAPE A/BMD(VIDEO)GAMEREC

PAUSE/START

LED DRIVE LED DRIVE LED DRIVE LED DRIVE LED DRIVE LED DRIVE LED DRIVE

OPEN/CLOSE

EX-CHANGE

DISC SKIP

DISC 3DISC 1 DISC 2DISC 1DISC 2DISC 3

LED DRIVE LED DRIVE LED DRIVE

REC

PAUSE/START

FLUORESCENT INDICATOR TUBE DRIVER,

KEY CONTROL

TUNER/BAND

CD

TAPE A/B

MD(VIDEO)

GAME

GAME MIXING

HI-DUB

1G

2G

15G

3G

4G

5G

6G

7G

8G

9G

10G

11G

12G

13G

14G

NO-USE

X1

X0

VOLUME-AVO

LU

ME

-B

SO

FT-T

ES

T

RES

ET

NO

-US

E

NO

-US

E

LED

-REC

AL

L-B

AN

D

BP

F5

BP

F0

BP

F1

BP

F2

BP

F3

BP

F4

KEY

2

KEY

1

KE

Y0

I2C

-CL

OC

K

I2C

-DA

TA

LE

D-D

ISC

3

LE

D-D

ISC

1

LE

D-D

ISC

2

LE

D-G

AM

E

LE

D-C

D

LED

-MD

-VID

EO

LE

D-T

UN

ER

LE

D-T

AP

E

MD1

NO-USE

NO-USE

NO-USE

CD SYNC

R65815k

(Page 45)

(Page 37)

MHC-RG77

4444

7-23. PLACAS DE CIRCUITO IMPRESSO - PLACA PAD SWITCH/VOL

1-683-535-

11

(11)

1

4

1

P PANEL BOARDNO604

IC603

1

3

DISPLAY

MUSIC EQ

TUNER MEMORYPLAY MODE

EFFECTON/OFF

GROOVE

GAME EQP FILE

SURROUND

ENTER

MOVIE EQ

DIMMER SPECTRUM

FM MODEREPEAT

+ −

VOL BOARD

1-683-536-

11

(11)

S748(ROTARY ENCODER)

VOLUME

4

1

3

1

2

DIRECTIONEDIT

PAD SWITCHBOARD

S750, 752,S754 − 762,S765 − 778

(Page 42)

8

MHC-RG77

4545

7-24. DIAGRAMA ESQUEMÁTICO - PLACA PAD SWITCH/VOL

Tensões estão em DC em relação ao terra, em condição de ausência de sinal.sem indicação : TUNER (FM/AM)

NO605

TP682

S776 S777S775S774S773S772S771S770S769S768S767S766S765

S754 S755 S757 S758 S759 S760 S761 S762

CN606 CN607

S750

D613

C615

S748

R625

C614

R750

R765 R766 R767 R768 R769 R770 R771 R772 R773 R774 R775 R776 R777 R778

S778

S752 S756

R752 R753 R755 R756 R757 R758 R759 R760 R761 R762

IC603

R754

C752C751

8P

4P 4P

1SS133T -72

47 10V

47

0.001

270

470 680 1k 1.5k 1.5k 2.2k 3.3k 4.7k 6.8k 10k 15k 22k 33k 68k

680 1k 1.5k 2.2k 3.3k 4.7k 6.8k 10k 15k 22k

NJL74H400A

1.5k

0.10.1

VOL 1A

VOL 1B

GC DGND

KEY 1

VOL 1B

VOL 1A

KEY 1

KEY INT DISPLAY

KEY 0

SIRCS

DGND

EVER +4V

VOL 1A

VOL 1B

GC DGND

KEY 1

VOLUME

(ROTARY ENCODER)

DISPLAY

DIMMER FM MODE

REPEAT

SPECTRUM

TUNER MEMORY

PLAY MODE

S766

S765 S767 S769

S768 S770

GROOVE

S771

S772

S773

EFFECT

ON/OFF

S774 S775

ENTER

S776

S777

MOVIE EQGAME EQMUSIC EQ

S778

SURROUND

P FILE

- +

REMOTE CONTROL

RECEIVER

DIRECTION

EDIT

(Page 43)

MHC-RG77

4646

7-25. PLACAS DE CIRCUITO IMPRESSO - SEÇÃO MAIN-TRANS / SUB-TRANS

MAIN TRANS BOARD

1-683-539-

11

(11)

4

1∗ ∗ NOT REPLACEABLE:

BUILT IN TRANSFORMER

T910MAIN POWER

TRANSFORMER

MPOWERBOARDNO501

IC971

SUB-TRANS BOARD

1-683-540-

11

(11)

1

3

3

E

N POWER BOARDNO504

1

1

4

2

12

AC IN

VOLTAGE SELECTORS901

120V

220V

230 − 240V

T972SUB POWER

TRANSFORMER

A

B

C

D

E

F

G

H

1 2 3 4 5 6 7

(E)

(MX)

(E)

(AR)

(E, AR)

(E)

(E)

(MX) (AR)

(E, AR)

(MX, AR)

(E)

11

1

(Page 40)

(Page 40)

Localização dosSemicondutores

Ref. No. Location

D971 G-4D972 F-2D973 F-2D974 E-2D975 E-2D977 C-7

IC971 G-2

Q971 G-3

MHC-RG77

4747

TP1

TP2

TP3

TP4

TP5

TP6

TP7

TP8

TP9

TP10

TP11

TP12

TP13

R944

D977

JW972

R974

R975

CN976

C975

D974D975

D973 D972

C976C973C978

C977

JW984

JW990

JW987

CN997

R954

JW954

JW975

T972

T910

JW973

R951

R952

R941

C941

Q971

C971

D971

CN974

RY971

D976

F971

F976

F977

F974

F975

NO971

JW986

S901JW993

JW971

CN973

JW974

11ES2

100k

10k

3P

220016V

11ES211ES2

11ES2 11ES2

0.110016V0.1

0.1

13P

3.3M1/2W

0.1

0.15

1

10063V

2SC2785

10000p250V

1SS133T

2P

T6.3AL250V

∗

STBY RELAY

D-GND

N

220

120

AC3

AC4

AC4

VF

VF

VL

VL

AC3

VH

GND

GND

VH

230-240

220

120

N

EVER+4V

230-240

220

230-240

220

120

120

VP

TRANSFORMER

TRANSFORMER

SUB POWER

MAIN POWER

∗ NOT REPLACEABLE:

BUILT IN TRANSFORMER

RELAY DRIVE

POWER ON/OFF

AC IN

220V

VOLTAGE SELECTOR

120V

230-240V

-1

-2

(MX)

(EXCEPT MX)

(EXCEPT E,SP,MX)

(GX8000)

(EXCEPT MX,AR)

(AR)

(MX)

∗

∗

∗

R953

GO I

+4V REGULATORIC971

µPC3504AHF

7-26. DIAGRAMA ESQUEMÁTICO – PLACA MAIN TRANS/SUB-TRANS –

• As tensões estão em DC em relação ao terra, em condição de ausência de sinal.sem indicação : TUNER (FM/AM)

(Page 41)

(Page 41)

MHC-RG77

4848

F01

R02

R01

LINE NF

LINE IN

REFERENCECURRENT

REFERENCECURRENT

RESET

BANDPASS

FILTERDET

17

RESET18

F0216F0315F0414F0513F0612

REC LEVEL11

VCC10

4

3

2

1

+–

REC NF

REC IN 6

RESET C 7BIAS C 8

GND 9

5

+–

1 2 3 4 5 6 7 8 9

CONTROL LOGIC

TSD

VREF

OUT2

OUT1

RNF

VM VCC

FIN

GND

RIN

RW/ROM

RW/ROM

EQ ON/OFF

VOFST

VOFSTDVC

VC

VC

VC

RW/ROM

VC

DVC

3029

28+–+

–

DVCVCC

DVC

27

262524

RW/ROM

EQ

23

22

21

20

19

RFACVCA

VCC

+–

DVC

+–

+–

RW/ROM

VC

RW/ROM

DVC

+–

3

A

B

C

D

BC

A

A

A

BCD

B C D D

+–

1

2 APC AMP

5

6789

4RFAC

SUMMINGAMP

RW/ROM

APC-OFF(Hi-Z)

RW/ROM(H/L)

VOFST

VC

RW/ROM

+–

10

11

GM

GM

18

17

16

B

D

A

C

13

14

15

12

EQ IN

LD

PD

GND

ABCD

AC SUM

E

F

DVCC

DVC

RFAC

SW

DC OFSTRFDCI

RFDCO

VC

RFCVFCBST

RFG

VCC

CEI

CE

TE BAL

TE

FEI

FE

• Diagrama em Bloco dos IC's– Placa BD–

IC101 CXD3017Q

IC102 BA5974FM-E2

IC103 CXA2581N-T4

– Placa Driver –

IC701 BA6956AN

– Placa Painel –

IC602 BA3830F-E2

TERFDC

CEIGEN

AVSS

0

ADIO

AVDD

0

CLTV

FILO

AVSS

3

VSS

AVDD

3

DOUT

VDD

PCO

FILI

ASYO

ASYI

RFAC

BIAS

SSTP

DFCTMIRR

MDPLOCK

FOK

SFDR

VSS

TEST

FRDR

FEVC

COUT

SE

XTSLTES1

SRDRTFDR

FFDRTRDR

21

7071

6869

6667

64

65

62

61

63

7374

72

75

76

7778

7980

4

XRST

3

SQCK

SQSO

5 9876

5660 53545559 5758 5152 484950 47 444546 43 4142

XLAT

CLOK

SENS

SYSM

DATA

XUGF

XPCK GF

S

C2PO

WFC

K

10 11 12 13 14 15 16 17 18 19 20

21

222324

2526

3233

3031

3637

3435

3940

38

28

27

29

SPOA

ATSK

SCLK

VDD

SCOR

SPOB

XLON

XTAI

XVDD

EMPH

AVDD1AOUT1

AIN1

XTAOXVSS

AIN2

AOUT2AVDD2

RMUT

LOUT2

LOUT1

BCK

LRCK

PCMD

LMUT

AVSS1AVSS2

CPUINTERFACE

SERVO AUTOSEQUENCER

SERIAL ININTERFACE

OVER SAMPLINGDIGITAL FILTER

3rd ORDERNOISE SHAPER

PWM PWM

EFMDEMODULATOR

TIMINGLOGIC

DIGITALOUT

D/AINTERFACE

DIGITALPLL

ASYMMETRYCORRECTOR

CLOCKGENERATOR

MIRR, DFCT,FOK

DETECTOR

DIGITALCLV

SUBCODEPROCESSOR

SERVOINTERFACE

SERVO DSP

FOCUSSERVO

TRACKINGSERVO

SLEDSERVO

PWM GENERATOR

FOCUS PWMGENERATOR

TRACKINGPWM GENERATOR

SLED PWMGENERATOR

16KRAM

ERRORCORRECTOR

INTE

RNAL

BUS

A/DCONVERTER

OPERATIONALAMPLIFIER

ANALOG SWITCH

LEVEL SHIFT

INTERFACE

INTERFACE

INTERFACE

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

202122232425262728 19 18 17 16 15

F

RRF F

RRF

RR

F

FMUTE

THERMALSHUTDOWN

VREF

OUT

VREF

IN

POW

VCC

CH1F

IN

CH1R

IN

CH2F

IN

CH2R

IN

CH2O

UTR

CH2O

UTF

CH1O

UTR

CH1O

UTF

CAPA

IN1

CAPA

IN2

GND

PRFV

CC

MUT

E

POW

VCC

CH4S

IN'

CH4S

IN

CH4B

IN

CH3F

IN

CH3R

IN

CH3O

UTR

CH3O

UTF

CH4O

UTR

CH4O

UTF

CAPA

IN3

GND

MHC-RG77

7-27. DESCRIÇÃO DOS PINOS DOS IC's

• PLACA PRINCIPAL IC501 M30620MCN-A00FP (SYSTEM CONTROLLER (CD MECHANISM CONTROL))

Pin No. Pin Name I/O Description

1 NO-USE — Not used

2 STEREO I FM stereo detection signal input from the tuner unit “L”: stereo

3 TUNED I Tuning detection signal input from the tuner unit “L”: tuned

4 SIRCS I Remote control signal input

5 to 7 SUR1 to SUR3 O Surround signal processor control signal output terminal Not used

8, 9 GND — Ground terminal

10 XC-IN I Sub system clock input terminal (32.768 kHz)

11 XC-OUT O Sub system clock output terminal (32.768 kHz)

12 RESET I System reset signal input from the reset signal generator “L”: reset For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”

13 X-OUT O Main system clock output terminal (16 MHz)

14 VSS — Ground terminal

15 X-IN I Main system clock input terminal (16 MHz)

16 VCC — Power supply terminal (+3.3V)

17 NMI I Non-maskable interrupt input terminal


19 SCOR I Subcode sync (S0+S1) detection signal input from the digital signal processor

20 AC-CUT I AC off detection signal input from the reset signal generator “L”: AC cut checked

21 ST-MUTE O Tuner muting on/off control signal output “H”: muting on

22 ST-CE O PLL chip enable signal output to the tuner unit

23 ST-DOUT O PLL serial data output to the tuner unit

24 PWM3 O RFDC PWM signal output to the RF amplifier (for CD-RW)

25 ST-DIN I PLL serial data input from the tuner unit

26 PWM2 O PWM signal output to the RF amplifier (for CD-RW)

27 ST-CLK O PLL serial data transfer clock signal output to the tuner unit

28 PWM1 O Focus servo drive PWM signal output to the RF amplifier (for CD-RW)

29 IIC-CLK I/O Communication data reading clock signal input or transfer clock signal output with the fluorescent indicator tube driver

30 IIC-DATA I/O Communication data bus with the fluorescent indicator tube driver

31 TXD1 — Not used

32 SQ-DATA I Subcode Q data input from the digital signal processor

33 SQ-CLK O Subcode Q data reading clock signal output to the digital signal processor

34 SENS I Internal status detection monitor input from the digital signal processor

35 CD-DATA O Serial data output to the digital signal processor

36 XLT O Serial data latch pulse output to the digital signal processor

37 CD-CLK O Serial data transfer clock signal output to the digital signal processor

38 CD-POWER O Power on/off control signal output for the CD section “H”: power on

39 CLOCK-OUT O Clock (32.768 kHz) signal output terminal (for test mode)

40 LD ON O Laser diode on/off control signal output to the RF amplifier “L”: laser diode on

41 GC RESET I Reset signal output to the fluorescent indicator tube driver “L”: reset


43 XRST O Reset signal output to the digital signal processor and motor/coil driver “L”: reset

44 LOAD-IN O Turn motor drive signal output

45 LOAD-OUT O Turn motor drive signal output

46 OPEN-SW I Disc tray open detection signal input terminal “L”: disc tray open

47 CLOSE-SW I Disc tray close detection signal input terminal “L”: disc tray close

49

MHC-RG77


48 BU UP/DOWN-SW I Optical pick-up up/down detection signal input terminal

49 TBL-SENS I Disc tray status detection signal input

50 CD-MUTE O CD analog signal muting on/off control signal output “H”: muting on

51 A-TRG O Deck-A side trigger plunger drive signal output “H”: plunger on

52 B-TRG O Deck-B side trigger plunger drive signal output “H”: plunger on

53 AMS-IN I Whether a music is present or not from the automatic music sensor circuit “L”: music is present, “H”: music is not present

54 CAPM-H/L O High/normal speed selection signal output “L”: high speed, “H”: normal speed

55 CAPM-CNT1 O Capstan motor drive signal output

56 A-PLAY I Deck-A play detection signal input terminal “H”: deck-A play

57 B-PLAY I Deck-B play detection signal input terminal “H”: deck-B play

58 TC-MUTE O Line muting on/off control signal output to the automatic music sensor circuit “H”: muting on

59 SW-ON-LED O LED drive signal output terminal “H”: LED on Not used

60 SW-MATRIX-SURR-2-LED

O LED drive signal output terminal “H”: LED on Not used

61 REC-MUTE O Recording muting on/off control signal output “L”: muting on

62 VCC — Power supply terminal (+3.3V)

63 SOFT-TEST O Output terminal for the software test

64 VSS — Ground terminal

65 BIAS O Recording bias on/off control signal output “H”: bias on

66 EQ-H/N O Normal/high speed selection signal output “L”: normal speed, “H”: high speed

67 PB-A/B O Deck-A/B selection signal output “L”: deck-B, “H”: deck-A

68 ALC O Automatic limiter control signal output “H”: limiter on

69 TC-RELAY O Recording/playback selection signal output “L”: playback, “H”: recording

70 A-HALF I Deck-A cassette detection signal input terminal “L”: no cassette, “H”: cassette in

71 SW-LINK-LED O LED drive signal output terminal “H”: LED on Not used

72 SW-MATRIX-SURR-1-LED

O LED drive signal output terminal “H”: LED on Not used

73 DISPLAY-KEY I DISPLAY key input terminal

74 POWER-KEY I I/1 key input terminal

75 STBY-LED O LED drive signal output of the I/1 indicator “H”: LED on

76 AUDIO-OUT GAME/VCD

O Video out game/video CD selection signal output terminal “L”: video CD, “H”: game Not used

77 AUDIO-OUT

ON/OFF O Audio out on/off control signal output terminal “H”: audio out on Not used

78 HP MUTE O Headphone muting on/off control signal output “L”: muting on

79 HP-DETECT I Connection detection signal input of the headphone jack “L”: no connected, “H”: headphone connected

80 LINE-MUTE O Line muting on/off control signal output “H”: muting on

81 GEQ DATA O Serial data output to the audio signal processor

82 GEQ CLK O Serial data transfer clock signal output to the audio signal processor

83 STK-MUTE O Power amplifier on/off control signal output “L”: standby mode, “H”: power amplifier on

84 STBY-RELAY O Main power on/off control signal output “H”: power on


86 LINK-RELAY O Relay drive signal output for the surround speaker protect “H”: relay on Not used

87 FRONT-RELAY O Relay drive signal output for the front speaker protect “H”: relay on

88 PROTECTOR I Protect on/off detection signal input from the speaker protect circuit “L”: protect on

50

MHC-RG77


89 A-SHUT I Shut off detection signal input from the deck-A side reel pulse detector

90 B-SHUT I Shut off detection signal input from the deck-B side reel pulse detector

91 B-HALF I Deck-B cassette detection signal input terminal “L”: cassette in, “H”: no cassette

92 MODEL-IN I Model setting terminal

93 DEST-IN I Destination setting terminal

94 SW-AD-KEY I Key input terminal (A/D input) Not used


96 AVSS — Ground terminal (for analog system)

97 SW-RELAY O Relay drive signal output for the sub woofer out protect “H”: relay on Not used

98 VREF I Reference voltage (+3.3V) input terminal (for analog system)

99 AVCC — Power supply terminal (+3.3V) (for analog system)


51

MHC-RG77

• PLACA PAINEL IC601 MB90M407PF-G-114-BND (FLUORESCENT INDICATOR TUBE DRIVER, KEY CONTROL)


1 to 10 P1 to P10 O Segment drive signal output to the fluorescent indicator tube

11 VSS-IO — Ground terminal (for I/O port)


23 VDD-FIP — Power supply terminal (+3.3V) (for fluorescent indicator tube)


42 VSS-IO — Ground terminal (for I/O port)

43, 44 P40, P41 O Segment drive signal output to the fluorescent indicator tube

45 to 47 NO-USE — Not used

48 VKK — Power supply terminal (–33V) (for fluorescent indicator tube)

49 to 51 MD0 to MD2 I Setting terminal for the CPU operational mode

52 LED-TAPE O LED drive signal output of the TAPE A/B “H”: LED on

53 LED-TUNER O LED drive signal output of the TUNER/BAND “H”: LED on

54 LED-MD-VIDEO O LED drive signal output of the MD (VIDEO) “H”: LED on

55 LED-CD O LED drive signal output of the CD “H”: LED on

56 LED-GAME O LED drive signal output of the GAME “H”: LED on

57 LED-DISC1 O LED drive signal output of the DISC1 “H”: LED on



60 I2C-DATA I/O Communication data bus with the system controller

61 I2C-CLOCK I/O Communication data reading clock signal input or transfer clock signal output with the system controller

62 AVCC — Power supply terminal (+3.3V) (for A/D conversion)

63 AVSS — Ground terminal (for A/D conversion)

64 to 66 KEY0 to KEY2 I Key input terminal (A/D input)

67 to 72 BPF0 to BPF5 I Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter

73 ALL-BAND I Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter

74 LED-REC O LED drive signal output of the REC PAUSE/START “H”: LED on

75, 76 NO-USE — Not used

77 RESET I System reset signal input from the system controller “L”: reset

78 SOFT-TEST O Output terminal for the software test

79 VOLUME-B I Jog dial pulse input from the rotary encoder (B phase input)

80 VOLUME-A I Jog dial pulse input from the rotary encoder (A phase input)

81 VSS-CPU — Ground terminal (for CPU)

82 X0 O System clock output terminal (4 MHz)

83 X1 I System clock input terminal (4 MHz)

84 VCC-CPU — Power supply terminal (+3.3V) (for CPU)


86 to 100 1G to 15G O Grid drive signal output to the fluorescent indicator tube

52

SS-RS88MANUAL DE SERVIÇO Brazilian Model

Foto: SS-RS88

ESPECIFICAÇÕES

CAIXA ACÚSTICA

Caixa acústica Surround SS-RS88 para MHC-RG77

Sistema 2 vias, 2 unidades, tipo bass-reflex

Unidades de Alto-Falantes WooferTweeterImpedância NominalDimensões (LxAxP)Peso

13 cm, tipo cone5 cm, tipo cone24 ohmsAprox. 175 x 360 x 260mmAprox. 3,4 kg cada caixa

SS-RS88

VISTAS EXPLODIDAS

NOTA: • -XX e -X indicam peça padrão que pode apre

sentar diferenças quando comparadas às peças originais do aparelho.

• Indicação de cor na aparência das peças. Exemplo: KNOB, BALANCE (WHITE) . . . (RED)

↑ ↑ Cor da Peça Cor do gabinete

1. SS-RS88

• Itens com a marca“*” não são mantidos em • O condensador instalado na caixa estoque por serem raramente solicitados. So- acústica não é fornecido. mente os substitua por peças numericamente identificadas nesse manual.

#1

52

53

SP5

56

SP4 não fornecido

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

52 4-942-029-01 PACKING #1 7-685-661-79 SCREW +BVTP 4X12 TYPE2 N-S 53 4-237-703-02 PAINEL FRONTAL SP4 1-544-983-11 ALTO FALANTE 13CM56 4-986-971-01 SCREW (3.5) SP5 1-544-977-11 ALTO FALANTE 5 CM

CAIXA ACÚSTICA MONTADALADOS DIREITO / ESQUERDO

6-800-426-00

Ver 1.2 2003. 05

manual de serviÇo brazilian model -...

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