Sony HCD-M70 Manuel utilisateur

SERVICE MANUAL

Tape player section

Recording system 4-track 2-channel stereo

Frequency response 50 - 13,000 Hz (±3 dB),

using a Sony TYPE I

cassette

Tuner section

FM stereo, FM/AM superheterodyne tuner

FM tuner section

Tuning range

North American model: 87.5 - 108.0 MHz

(100-kHz step)

Other models: 87.5 - 108.0 MHz

(50-kHz step)

Antenna FM wire antenna

Antenna terminals 75 ohms unbalanced

Intermediate frequency 10.7 MHz

AM tuner section

Tuning range

Pan-American model: 530 - 1,710 kHz

(with the tuning interval

set at 10 kHz)

531 - 1,710 kHz

(with the tuning interval

set at 9 kHz)

European model: 531 - 1,602 kHz

(with the tuning interval

set at 9 kHz)

Amplifier section

For the U.S. model

AUDIO POWER SPECIFICATIONS

POWER OUTPUT AND TOTAL

HARMONIC DISTORTION:

With 6-ohm loads, both channels driven, from

70 - 20,000 Hz; rated 18 watts per channel

minimum RMS power, with no more than 0.9%

total harmonic distortion from 250 milliwatts to

rated output.

North American model:

Continuous RMS power output (reference):

20 + 20 W

(6 ohms at 1 kHz, 10%

THD)

Total harmonic distortion less than 0.07% (6 ohms at

1 kHz, 12 W)

European model:

DIN power output (rated): 15 + 15 W

(6 ohms at 1 kHz, DIN)

Continuous RMS power output (reference):

20 + 20 W

(6 ohms at 1 kHz, 10%

THD)

Music power output (reference):

40 + 40 W

DIN power output (rated): 15 + 15 W

(6 ohms at 1 kHz, DIN)

Continuous RMS power output (reference):

18 + 18 W

(6 ohms at 1 kHz, 10%

THD)

The following measured at 220 V AC, 60 Hz

DIN power output (rated): 12 + 12 W

(6 ohms at 1 kHz, DIN)

Continuous RMS power output (reference):

15 + 15 W

(6 ohms at 1 kHz, 10%

THD)

Inputs

AUDIO IN MD (VIDEO) (phono jacks):

Sensitivity 500/250 mV,

impedance 47 kilohms

Outputs

OPTICAL DIGITAL OUT (CD):

Optical

PHONES: Accepts headphones with

an impedance of 8 ohms

or more

SPEAKER: 6 ohms

Other models:

The following measured at 230 V AC, 60 Hz

CD player section

System Compact disc and digital

audio system

Laser Semiconductor laser

(λ= 780 nm)

Emission

duration: continuous

Wavelength 780 - 790 nm

Frequency response 2 Hz - 20 kHz (±0.5 dB)

MICRO Hi-Fi COMPONENT SYSTEM

US Model

Canadian Model

AEP Model

UK Model

E Model

Australian Model

SPECIFICATIONS

HCD-M70

Ver. 1.3 2005.03

9-873-633-04 Sony Corporation

2005C05-1 Personal Audio Group

HCD-M70 is the Amplifier, CD player, Tape

Deck andTuner section in CMT-M70/M70K.

– Continued on next page –

CD Model Name Using Similar Mechanism HCD-CP100

Section CD Mechanism Type CDM55F-K6BD41A

Optical Pick-up Name KSS-213DCP

TAPE Model Name Using Similar Mechanism NEW

Section

HCD-M70

1414

I-V AMP

DETECTOR

(TRACKING)

(FOCUS)

2-AXIS DEVICE

LASER DIODE

7 D+5V

LDPD

VCC

AUTOMATIC

POWER

CONTROL

Q101

SUMMING

AMP

RF EQ

AMP

FOCUS

ERROR AMP

TRACKING

ERROR AMP

FI-V AMP

EI-V AMP

APC LD

AMP

APC PD

AMP

RFO

LD ON

HOLD SW

ASYMMETRY

CORRECTION

EFM

DEMODULATOR

DIGITAL

PLL

RFAC

ASYI

ASYO

54 56 53 55

FILO

PCO

CLTV

FILI

ERROR

CORRECTOR

16k

RAM

INTERNAL BUS

D/A

INTERFACE SERIAL

INTERFACE

DIGITAL

FILTER

NOISE SHAPER

PWM

INTEGRATOR

DIGITAL

OUT

SIGNAL PATH

: CD PLAY (ANALOG)

: CD PLAY (DIGITAL OUT)

D OUT

AOUT1

AOUT2

AIN1

AIN2

LOUT1

LOUT2

BUFFER

CD-L

R-CH

SUBCODE

PROCESSOR

SERVO AUTO

SEQUENCER

CPU INTERFACE

2576208114

SQCK

DATA

CLOK

XLAT

SCOR

SENS

SQSO

XLON

MIRR/DFCT/FOK DETECTOR

IC101 (2/2)

9 27

SCLK

SSTP

MDP

S101

(LIMIT)

RFDC

41 39 4340

A/D

CONVERTER

FOCUS/TRACKING/SLED

PWM GENERATOR

FOCUS/TRACKING/SLED

SERVO DSP

MIRR/DFCT/FOK

DETECTOR

23 2224

DFCT

MIRR

FOK

SERVO

INTERFACE

IC101 (1/2)

DIGITAL SERVO

PROCESSOR

IC101 (2/2)

CH1OUTF

CH1OUTR

CH2OUTF

CH2OUTR

CH3OUTF

CH3OUTR

CH4OUTF

CH4OUTR

CH1FIN

CH1RIN

CH2 FIN

CH2RIN

CH3FIN

CH3RIN

MOTOR

DRIVE

MOTOR

DRIVE

COIL

DRIVE

MOTOR

DRIVE

COIL

DRIVE

SPINDLE/SLED MOTOR DRIVE,

FOCUS/TRACKING COIL DRIVE

IC102

M102

(SLED)

M101

(SPINDLE)

CH4SIN 25

FRDR

FFDR

SFDR

SRDR

TRDR

TFDR

MUTE 20

MUTE

Q801

Q800

SERVO

INTERFACE

DIGITAL

CLV

XRST

6766

XTAL

XTAO

X101

16.9344MHz

TIMING

LOGIC

CLOCK

GENERATOR

OPTICAL

TRANSCEIVER

IC321

OPTICAL

DIGITAL OUT (CD)

CLK, SQSO

CLK

SQSO

(Page 16)

(Page 15)

CD-ON

(Page 16)

RF AMP

FOCUS/TRACKING ERROR AMP

IC103

FILTER DIGITAL SIGNAL PROCESSOR,

DIGITAL FILTER, D/A CONVERTER

IC101 (1/2)

OPTICAL

PICK-UP BLOCK

(KSS-213DCP)

Q800, 801

CD ON SWITCH

R-CH : R-ch is omitted due to same as L-ch.

C-LATCH

18 C-SENSE

100 C-SCOR

86 C-RST

C-SQCK

CD-DATA

13 HOLD

SYSTEM CONTROLLER

IC801 (1/3)

SECTION 6

DIAGRAMS

6-1. BLOCK DIAGRAM – CD SERVO Section –

HCD-M70

1515

MUTING

CONTROL SWITCH

Q404, 405

ALC

CLK

(AEP, UK)

TU1

TUNER UNIT

(EXCEPT AEP, UK)

FM75Ω

ANENNA

TUNER ON SWITCH

Q804

13 14

DET AMP

Q302 16

X301

4.332MHz

RDS DECODER

IC326

D321

D401

(AEP, UK)

CAPSTAN/REEL

MOTOR DRIVE

Q341, 343

TRIGGER

PLUNGER DRIVE

Q342, 344

(TAPE DECK BLOCK)

M901

(LOADING)

(CAPSTAN/REEL)

OPEN

MOTOR DRIVE

IC320

SIGNAL PATH

: TUNER (FM/AM)

: TAPE PLAY

: REC

FM ANT

ANT GND

AM ANT

L-CH

R-CH R-CH

TUNED

FM DET MUX

X1 X0

RDATA

RCLK

INPUT2

INPUT1

OUT2

OUT1

SYSTEM CONTROLLER

IC801 (2/3)

C-SQSO/RDS-DATA

RDS-IN

TUNED

TU-DATA

C-CLK/TU-CLK

TU-CE

TU-COUNT

ALC

REC/PB

MOT-CON

SOL-CON

SENSOR

T-MODE

TC-SW

TRAY-OPEN

TRAY-CLOSE

TRAY-SW S1

DISC TRAY

OPEN/CLOSE DETECT

R-CH : R-ch is omitted due to same as L-ch.

REC-MUTE

L-MUTE

34 BIN (L)

1513 14

28 27

EQ-OUT (L)

PB-OUT

(L)

TAI (L) MUTE

REC/PB EQ AMP, ALC

IC401

A/B

MUTE

REC MUTE

REC-OUT

(L)

REC-IN

(L)

ALC

(L)

R-CH

ALC

BIAS OSC

T401 REC BIAS

SWITCH

Q402, 403

COM +8V

BIAS OSC

Q401

REC BIAS

(L)

MUTING

Q100, 101

RV101

REC BIAS

(R)

RV201

L-CH

R-CH

ERASE

R-CH

HRPE901

(RECORD/PLAYBACK/ERASE)

R-CH

T101

BIAS

TRAP

SQSO

TU-ON

(Page 16)

CLK, SQSO

(Page 14)

TU-L (Page 16)

TC-L (Page 16)

REC-L (Page 16)

FM75Ω

6-2. BLOCK DIAGRAM –TUNER/TAPE DECK Section –

HCD-M70

1616

: TAPE PLAY

: REC

36 – 34

KEY1 – KEY3

50 – 53

COM0 – COM3

LIQUID CRYSTAL

DISPLAY

LCD801

54 – 85

SEG0 – SEG31

SIRCS

SDA

SCK

AU-CE

REMOTE CONTROL

RECEIVER

IC802

LED DRIVE

Q807 DSG

D811

LED DRIVE

Q809 CD SYNC

D813

CD-SYNC

RST

22AMP-MUTE

24H/P CHK

97AU-MUTE

RESET SIGNAL

GENERATOR

IC803

D801

D802

TU-L

(Page 15)

TC-L

(Page 15)

CD-L

(Page 14)

REC-L

(Page 15)

SYSTEM CONTROLLER

IC801 (3/3)

INPUT SELECT SWITCH,

ELECTRICAL VOLUME,

TONE CONTROL

IC323

D814

(STANDBY)

LED DRIVE

Q808

TAPE

D812

TC-ON96

STAND-BY LED

LED DRIVE

Q805

LED DRIVE

Q806

D809

TUNER

D811

+5V

REGULATOR

Q306

LED DRIVE

Q810, 811

CD +5V

+9.5V

REGULATOR

Q305

+8V

REGULATOR

IC306

+9.5V

REGULATOR

Q301

REG-CON

(Page 15) TU-ON

(Page 14) CD-ON

RECT

D906 – 909

RELAY DRIVE

Q902

RECT

D902 – 905

+12V

REGULATOR

Q355

+5V

REGULATOR

Q901, 903

TUNER ON

SWITCH

Q303, 304

CD ON

SWITCH

Q307, 308

AMP +16V

AMP – 16V

D917

RECT

D910 – 913

WAKE UP

SWITCH

Q802, 803

POWER ON

MUTING

Q330

MUTING

CONTROL SWITCH

Q312, 313

DSG

D804, 805,

D807, 808

(LCD BACK LIGHT)

TU +9.5V

COM +8V

CD +8V

COM +12V

25TU-ON

15CD-ON

SW +5V

U-COM +5V

T902

MAIN POWER

TRANSFORMER

T901

SUB POWER

TRANSFORMER

RY901 (Singapore)

(EXCEPT Singapore)

(AC IN)

VOLTAGE

SELECTOR

S901

BACKUP +5V

S801 – 820

COM +12V

D309

MUTING

Q408, 409

MUTING

Q100

–

SJ301

SPEAKER

IMPEDANCE

USE 6 – 16Ω

R-CH

R-CH J301

HEADPHONE AMP

IC324

MOS GAIN &

LEVEL SHIFT

ING STAGE

MOS

OUTPUT

STAGE

SHORT

CIRCUIT

PROTECTION

IN+

MUT

STANDBY/MUTE

MUTE STBY

POWER AMP

IC101

R-CH

OUT

R-CH

DC DETECT

Q310, 311

PHONES

9SPK PROTECT

R-CH

INPUT

SELECT

SWITCH

13 9LIN

LSELO 5

LOUT

VOLUME

CONTROL

TONE

CONTROL

301

CPU

INTERFACE

R-CH

SJ302

AUDIO IN

MD (VIDEO)

X800

32.768KHz

X801

4.19MHz

TEX

EXTAL1

XTAL1

SIGNAL PATH

: TUNER (FM/AM)

: CD PLAY

: MD (VIDEO)

R-CH : R-ch is omitted due to same as L-ch.

POWER ON/OFF

RELAY DRIVE

Q902

TC +5V

+5V

REGULATOR

Q309

+8V

REGULATOR

IC304

R-CH

6-3. BLOCK DIAGRAM – MAIN Section –

HCD-M70

1919

The components identified by mark 0or dotted

line with mark 0are critical for safety.

Replaceonlywithpartnumberspecified.

Lescomposants identifiésparune marque0sont

critiques pourlasécurité. Ne lesremplacer que

par une pièce portant le numéro spécifié.

6-6. SCHEMATIC DIAGRAM – CD Board – • See page 25 for Waveforms. •See page 32 for IC Block Diagrams.

•Voltages and waveforms are dc with respect to ground

under no-signal conditions.

no mark : CD PLAY

∗: Impossible to measure

(Page 27)

HCD-M70

2121

C402

C403

R212

R428

R425

R426

R418

R422

R424

R423

R409

R410

R412

R411

R414

C401

C437

R415

R416

JR102

D401

C400

R413

R417

R102 R103 R104 R105

R106

C107 C108C106

C105

R101

C104

C207

R206

C208C206

C205

R201

R202 R203 R204 R205

C204

C101

C102

C410

C201

C202

C436

R408

R407

Q405

Q404

R406

Q403

C435

R404

C422 R405

R403

R402

C434

JR201

R401

C433

C432

R109

R111 C110

C111

C211

C210R211

R112

R208R207

Q200 Q201

R108R107

Q100 Q101

JR103

R213

JR104

C109C209

JR106 JR105

RV101RV201

R400

R113

R209

TH1

TH2

TH3

CNP1

T101

T201

T401

C407

CN301

Q401

Q402

IC401

CN302

0.01

5.6k

4.7k

10k

47k

22k

4.7k

10k

47k

100

16V

50V

47k

1SS355TE-17

50V

24k

2.2k 10k 2.2k 47k

10k

50V

2.2

50V

47k

0.01

50V 10k

2.2

50V

47k

2.2k 10k 2.2k 47k

0.01

470p

16V

50V

470p

16V

100

16V

4.7k

47k

KRC107S

KRA102S

4.7k

KRC102S

0.01

10k

0.0068 10

10V

3.3k

0.0047

0.012

2.2k

10k 0.01

330p

0.0110k

5.6k

10k10k

KTC3203Y KTC3203Y

10k10k

KTC3203Y KTC3203Y

0.0010.001

1K 1K

33k33k

2.2k

50V

17P

KTC3203Y

KTA1266Y-AT

HA12236F

REC-MUTE

PLAY-SW

PACK

REC-L

REC-R

MO +12V

MO GND

SOL 12V

END SW

ALC CONT

(CHASSIS)

L-CH

R-CH

ERASE

HRPE901

ERASE

RECORD/PLAYBACK/

TAPE DECK BLOCK

THE ASSEMBLED

BLOCK

SUPPLIED WITH

MUTING

Q100,101,200,201

REC/PB EQ AMP,

ALC

BIAS OSC

Q402,403

REC BIAS

SWITCH

Q404,405

MUTING CONTROL

REC IN-R

R-OUT

REC/PB

LINE MUTE

A-GND

REC IN-L

+8.0V

L-OUT

MO GND

TC-SW

PLAY-SW

MO +12V

B+5V

SOL 12V

PB-

NF1(L)

PB-NF2(L)

PB-

EQ(L)

EQ-

OUT(L)

TAI(L)

PB-

OUT(L)

MUTE

REC-

IN(L)

ALC(L)

REC-OUT(L)

TEST

I-

REF

GND

VCC

ALC-

DET

REC

MUTE

A/ B

NORHI/

ALC

REC-OUT(R)

(R)

ALC

REC-

PB-

OUT(R)

IN(R)

(R)

TAI

OUT(R)

EQ-

PB-

EQ(R)

PB-

PB-NF2(R)

NF1(R)

AIN

(R)

BIN

(R)

GND

REC

BIN

(L)

RIP

AIN

(L) EQ

ALC

MUTE

6-8. SCHEMATIC DIAGRAM –TC Board – • See page 25 for Waveforms.

•Voltages and waveforms are dc with respect to ground

under no-signal conditions.

no mark :TAPE PLAY

():REC

(Page 22)

HCD-M70

2222

R121

JR307

JR308

R215

C215

JR312

R201

C207

C209

C208

R106

JR304

C107

C108

C109

C302

C348

R202

R206

C270

R204

R102

R104

C170

R123 R122 C376

R130

R304

R350

C130

R131

R331

R120

R220

R222

R221

C230

R231

JR302

R230

C339

R311

C346

C347

R203C211

C111 R103

R280R180

Q343 Q344

JR301

Q330

D309

C324

D305

C323

C360

R310 Q303

Q304

C160 R160

R260

IC324

C260

C372

R218

L304

R320

CN301

R213R113

R214

R114

C304 C326

C231

C250

C131

C150

D314

C163

JR311

C106

C104

C103

C102

R207

C214

C301

C263

C206

C210

C204

C203

C202

C201

Q301

Q307

Q308

Q306 Q305

R312

R314

C330

D308

C366

C365

C329

D307

C311

C328

JR340

IC306

R317

R318

R371

Q302

R372

C380

R374 R376

R373

R375 C381

C385

C382

C384

C383

X301

D320

C387

C386

IC326

D302

SJ302

CN302

IC323

R205

R105 R101

C110

R107

C115

R115

R118

C114

JR101

C101

JR201

JR309

R377

C368

C333

C332

Q342Q341

2.2k

4.7

50V

4.7k

1000p

0.22

0.1

3.3k

1000p

0.1

0.22

1000p

100p

3.3k

2.2k

10k 10k 100

16V

4.7k

100

4.7k

100p

47k

10k

220k

10k

2.2k

100p

47k

4.7k

220 16V

0.1

100p

10k1

110k

2.2k4.7k

SRC1202S SRC1202S

SRC1202S

MTZJ-T-77

-7.5C

470 16V

MTZJ-T-77-10B

0.1

47 16V

100 SRA2202S

SRC1202S

10 10V 47

NJM3414A

10V

100p

330k

17P

4.7k4.7k

47k

100

16V

10V

4.7

16V

4.7

16V

4.7

16V

4.7

16V

1SS133

4.7

16V

4.7 50V

4.7k

4.7 50V

10 50V

4.7

16V

4.7 50V

KTC3205

SRA2202S

SRC1202S

KTC2026 KTC2026

100

0.1

MTZJ-T-77-5.1B

10 50V

220 10V

470 16V

MTZJ-T-77-10B

0.1

100 16V

KTA7808API

47k

4.7k

2SC2412K

470k

0.1

100k 68k

47k 330p

16V

0.01

51p

56p

4.332MHz

MTZJ-T-77

-4.3B

4.7 50V

560p

BU1924F

11ES2-

TA1B

21P

LC75342

2.2k

2.2k 4.7k

4.7 50V

4.7k

4.7

50V

4.7

50V

4.7

50V

470

220

10V

0.1

220

10V

2SA950-Y-TPE22SA950-Y-TPE2

A10

A11

A13

A16

A17

A18

A19

ALC_CON

TC_SW

END_SW

PLAY_SW

CD_ON

MD_L

MD_R

TCREC_L

TCOUT_L

TCOUT_R

REC_MUTE

REC/PB

LINE_MUTE

M_CON S_CON

TU_R

TU_L

TU ON

AA1

AA2

AA3

AA4

AA5

AA1

AA2

AA3

AA4

AA5

VOL-SCK

VOL-SDA

SCE

TCREC_L

MD_L

TCOUT_L

TU_L

TU_R

TCOUT_R

MD_R

REC

BB1

BB2

BB3

BB1 BB2

BB3

DC DET

STK_MUTE

B/UP

STBY_RELAY

STK_POWER

∗

RDS-DATA

RDS-IN

TUNED

R-OUT

L-OUT

DC DET

CD8V

CD 5V

VOL-SDA

VOL-SCK

ST-DOUT

ST-CLK

ST-CE

ST-DIN

A-GND

REC/PB

TC-SW

REC IN-R

R-OUT

REC IN-L

L-OUT

MO GND

END SW

QUAL

RDATA

VREF

MUX

VDD1

VSS1

VSS3

CMPT2

VSS2

VDD2

RCLK

(1/2)

HEADPHONE AMP

VCC

GND

POWER ON

MUTING

SWITCH

Q303,304

TUNER ON

+9.5V REGULATOR

+9.5V REGULATOR+5V REGULATOR

+8V REGULATOR

(AEP,UK)

DET AMP RDS DECODER

(AEP,UK)

SWITCH

Q307,308

CD ON

Q342,344

TRIGGER

PLUNGER DRIVE

Q341,343

CAPSTAN/REEL

MOTOR DRIVE

TU-ON

GND

AMP-MUTE

BACKUP5V

REG-CON

PLAY-SW

B+5V

MO +12V

+8.0V

LINE MUTE

REC-MUTE

ALC CONT

AUDIO IN

MD(VIDEO)

ANTENNA

TU1

THE ASSEMBLED

BLOCK

SUPPLIED WITH

(AEP,UK)

(EXCEPT AEP,UK)

INPUT SELECT

ELECTRICAL

SWITCH,

TONE CONTROL

VOLUME,

∗

C170,270

0.022

0.01

SOL 12V

(EXCEPT SP,AUS)

(SP,AUS)

FM 75Ω

4.7µH

6-9. SCHEMATIC DIAGRAM – MAIN Board (1/2) – • See page 25 forWaveforms. •See page 32 for IC Block Diagrams.

•Voltages and waveforms are dc with respect to ground

under no-signal (detuned) conditions.

no mark :TUNER (FM/AM)

():CD PLAY

〈〈 〉〉 : TAPE PLAY

(Page 21)

(Page 27)

(Page 23)

HCD-M70

2323

C242

L101

L201

C335

C244 C245

C144 C145 R144

R244

R242

C306 TH1

TH2

C309

C308

C307

R143

R243

C243

JR310R323

R330

C142

R240

R140

R241

R141

C143

R142

C369

C370

D316

D315

C350

C351

Q408 Q409Q406Q407

C322 C317

D311

C318 C319

R340

C321

C327C320 C331

R341

C310

R383

R161

R261

R364

R305

Q312

Q313

Q100

Q200

C312

R307

R108

R208

R313

C313 JR303

R309

L201

L101

R591

S819

S816

S810

S814

R593

R590

R587

C315

C316 C371 C334

SJ301

TH1

TH2

CN304 CNP602

JR511

JR510

FB803

C801

L202

J301

IC201

IC101

C141

C241

CNP101

CN303

Q309 Q355

IC304

D310

Q311Q310

JC306

D821

D820

470p

1000p

0.1 0.1

0.1 0.1 4.7

4.7

22k

50V

3300

35V

3300

35V

4.7

50V

100k

50V

010k

470p

560

22k

50V

22k

2200p

220p

1SS133

4.7

50V

4.7

50V

DTC343TK DTC343TKDTC343TKDTC343TK

470

16V 0.1

MTZJ-T-77-12B

50V 0.1

100

0.1

470

16V

220

10V 0.1

100

3300

25V

4.7k

100

SRA2202S

SRC1202S

DTC343TK

220

10V

10k

47k

68k

47k

100

10V 0

47k

22k

10k

100

10V

10000p 1000p 1000p

5P 5P

0.022

TDA7296

50V

17P

STC352-OY KTC2026

KIA7808API

MTZJ-T-77

-5.6B

KTC3198GR-AKTC3198GR-A

1SS1355TE-17

A10

A11

A13

A16

A17

A18

A19

ALC_CON

TC_SW

END_SW

PLAY_SW

M_CON

S_CON

CD_ON

SCE

B/UP

KEY

STK_MUTE

AU_MUTE

H/P_DETECT

REC/PB

REC_MUTE

LINE_MUTE

STBY_RELAY

STK_POWER

DC DET

KEY

AU_MUTE

H/P_DETECT

H/P CHECK

L-OUT

R-OUT

GND

KEY

SBGND

IN-

IN+

IN+MUT

BOOT

+VS

-VS

STBY

MUTE

+PWVS

OUT

-PWVS

SBGND

IN-

IN+

IN+MUT

BOOT

+VS

-VS

STBY

MUTE

+PWVS

OUT

-PWVS

S1-GND

+14V(S2)

S2-GND

N.C

CD-ON

SOL-CON

MOT-CON

AU MUTE

+8V

END SW

PLAY SW

TC-SW

LINE.MUTE

REC/PB

REC.MUTE

ALC CON

H/P DETECT

KEY-0

-16V(S1)

+16V(S1)

(2/2)

GND

L-OUT

R-OUT

KEY

H/P CHECK

(CHASSIS)

SPEAKER

IMPEDANCE

USE 6-16 Ω

(CHASSIS)

MUTING MUTING MUTING MUTING

CONTROL

SWITCH

Q312,313

MUTING

PLAY MODE

TUNING MODE

REPEAT

FM MODE

CD SYNCHRO

DIRECTION

(US,CND,MX)

KR,TH,AUS

AEP,UK,SP,

PHONES

DC DETECT

Q310,311

POWER AMP

RELAY-ON

BACKUP5V

COM8V

D-GND

P-GND

VOL-CE

+12V REGULATOR

+8V REGULATOR

+5V REGULATOR

4.7µH

0.47µH

•Voltages and waveforms are dc with respect to ground

under no-signal (detuned) conditions.

no mark :TUNER (FM/AM)

6-10. SCHEMATIC DIAGRAM – MAIN (2/2)/JACK Boards – • See page 32 for IC Block Diagrams.

(Page 22)

(Page 31)

(Page 27)

HCD-M70

2727

CN809

D801

CN806

L304

L303

L302

R890

R891

R844

R845

R849

CN801

R509R510

C818

C817

C816

R808

R807

R806

R805

R803

R802

R801

R809

R810

R811

R812

R813

R814

R815

R816

R817

R818

R819

R820

R821

R822

R823

R824

R825

R826

R828

R829

R827

R830

R903

R804

D802

R901

Q803

Q802

C804

C803

JR806

L301

JR801

R892

R894

R895

R896

R897

R898

R899

R900

R881

R882

R883

R884

R885

R886

R887

R888

R905 C830

R904C825R906 R902

Q801Q800

Q804

CN804

JR803

IC803

R839

C809

R838

JR804

C820C812

C819

R843

R850

C808

C807

R848

R847

R841R893

C811

R840

R837

R836

R835

R834

R833

R831

CN502

CN802

R511

C814

R832

R846

C827

R914

R913

R912

R911

R910

R909

R908

R907

R880

R879

R878

R877

R876

R875

R874

R873

R872

R871

R870

R869

R868

R867

R866

R865

R864

R863

R862

R861

R860

R859

R858

R857

R856

R855

R854

R853

R852

R851

CN805

CNP401

R842

C829

C828

C824

C315D304

R309

R308

C314

C316

M901

CN807

C823

JR805

C810

C815

C813

LCD801

X801

IC321

C802

X800C388

D321

CN803

CN503

C806

IC801

IC320

R889

CN1

1SS133T-77

21P

15P

10k10k

0.1

0.01

100

1.2k

4.7k

1SS133T-77

47k

2SC2412K

SRA2202SF

22p

27p

470

4.7k

100k 220p

4.7k0.147k 100k

SRC1202SFSRC1202SF

SRC1202SF

17P

BMR0301H

470

47k

0.10.01

0.1

10k

4.7k

24p

10k

0.1

10k

18P

10k

0.1

22k

0.1

4.7k

19P

4.7k

0.1

16V

MTZJ-T-77

-4.7C

4.7k

0.1

4.7

50V

100

10V

50V

4.19MHz

TOTX178A

0.22

5.5V 32.768KHz100p

1SS133T-77

20P

1000p

CXP83124A-053Q

KA3082

4.7k

AA1

AA2

AA3

AA4

AA5

AA6

AA7

AA8

AA1

AA2

AA3

AA4

AA5

AA6

AA7

AA8

BB1

BB2

BB3

BB4

BB5

BB6

BB7

BB13

BB8

BB9

BB11

BB12

BB13

BB5

BB7

BB4

BB6

BB3

BB2

BB1

BB12

BB11

BB9

BB8

CC2

CC3

CC4

CC5

CC6

CC7

CC8

CC9

CC12

CC2

CC3

CC4

CC5

CC6

CC7

CC8

CC10

CC11

CC12

CC11

CC10

CC1

CC9

CC1

COM 1

COM 2

COM 3

DD1

DD2

DD3

DD4

DD5

DD6

DD7

DD8

DD9

DD10

DD11

DD12

DD13

DD14

DD1

DD2

DD3

DD4

DD5

DD6

DD7

DD8

DD9

DD10

DD11

DD12

DD13

DD14

∗∗

OUT

RESET

CD-ON

TU-ON

REG-CON

D-GND

SOL-CON

MOT-CON

RDS-DATA

RDS-IN

AU MUTE

H/P DETECT

GND

OUT1

INPUT1

INPUT2

+8V

P-GND

BACKUP5V

VOL-CE

KEY1

KEY2

KEY3

RELAY 5V

SIRCS

D-GND

+8V

KEY

STBY-LED

TC-LED

CD-LED

TU-LED

DSG LED

CD-SYNC LED

AMP-MUTE

AC DET

COM0

COM1

COM2

COM3

SEG0

SEG1

SEG2

SEG3

SEG4

SEG5

SEG6

SEG7

SEG8

SEG9

SEG10

SEG11

SEG12

SEG13

SEG14

SEG15

SEG16

SEG17

SEG18

SEG19

SEG20

SEG21

SEG22

SEG23

SEG24

SEG25

SEG26

SEG27

SEG28

SEG29

SEG30

SEG31

GND

VDD

DIN

TUNED

R-OUT

L-OUT

CD8V

DC DET

D-OUT

D+5V

C-SCOR

SQCK

SENS

SQSO

HOLD

CLK

LATCH

DATA

XRST

A-GND

REC/PB

LINE.MUTE

REC.MUTE

TC-SW

ALC CON

END SW

PLAY SW

(LOADING)

DISC TRAY

OPEN/CLOSE

DETECT

OPEN

KEY-0

RESET SIGNAL

GENERATOR

∗

R893

2.2k

10k

(US,CND)

(AEP,UK)

(MX,SP,KR,TH,AUS)

∗

(US,CND)

(AEP,UK)

10k

R841

3.3k

33k (SP,KR,TH,AUS)

(MX)

LIQUID CRYSTAL DISPLAY

(1/2)

SYSTEM CONTROLLER

VCTL

VZ1

VCC2

VCC1

VZ2

OUT2

LOADING MOTOR

DRIVE

WAKE UP

SWITCH

WAKE UP

SWITCH

CD ON

SWITCH

CD ON

SWITCH

TUNER ON

A+5V

CD-R

CD-L

D-GND

P-GND

CD+8V

OPTICAL

OUT(CD)

DIGITAL

GND

ST-DOUT

ST-CLK

ST-CE

ST-DIN

A-GND

VOL-SCK

CD 5V

VOL-SDA

(AEP,UK)

OPTICAL TRANSCEIVER

C-RST

AU-CE

SPK PROTECT

REC-MUTE

REC/ PB

DSG

RST

SIMUKE

2.2µH

4.7µH

6-13. SCHEMATIC DIAGRAM – CONTROL/LOADING/SWITCH (1/2)/VIDEO Boards – • See page 25 forWaveforms. •See page 32 for IC Block Diagram.

•Voltages and waveforms are dc with respect to ground

under no-signal (detuned) conditions.

no mark :TUNER (FM/AM)

():CD PLAY

〈〈 〉〉 : TAPE PLAY

(Page 22)

(Page 19)

(Page 29)

(Page 23)

HCD-M70

2929

D809 D810

R502R501

D811

R503 R504 R505

D812 D813

Q805 Q806 Q807 Q808 Q809 Q810 Q811

R507 R508

S807

S804

S801 JR512

R514

R513

S817

S812

S820

S808

S805

S802

R521

R520

R519

R518

R517

R516

S815

S813

S811

S809

S806

S803

R528

R527

R526

R525

R524

R523

JR508

R522

R532 R533

D804

D805

D808

D807

IC802 JR505

C822 JR507

R506

CN501

R512

JR521

S818

C821

D814

JR523

SLR-343-YC SLR-343-YC

560560

SLR-343-YC

2.2k 560 560

SLR-343-YC SLR325VR-T31

SRC1202S SRC1202S SRC1202S SRC1202S SRC1202SS SRC1202S SRC1202S

4.7k 560

2.2k

22k

10k

4.7k

2.2k

47k

22k

10k

4.7k

2.2k

220 220

SELS6B14C-LF62

NJL62H400A-1 0

4.7

16V 0

15P

0.01

SLR325VR-T31

AA1

AA2

AA3

AA4

AA1

AA2

AA3

AA4

KEY1

KEY2

KEY3

SIRCS

D-GND

+8V

KEY

STBY-LED

TC-LED

CD-LED

TU-LED

DSG LED

CD-SYNCLED

BACKUP 5V

(CHASSIS)

(2/2)

D804,805,807,808

(LCD BACK LIGHT)

REC

TAPE

TUNER

DSG

TUNER

TAPE

VOLUME +

VOLUME -

FUNCTION

REMOTE CONTROL RECEIVER

LED DRIVELED DRIVELED DRIVELED DRIVELED DRIVELED DRIVELED DRIVE

CD TUNER DSG TAPE CD SYNCHRO (STANDBY)

TUNING +

TUNING -

6-15. SCHEMATIC DIAGRAM – SWITCH Board (2/2) –

•Voltages and waveforms are dc with respect to ground

under no-signal (detuned) conditions.

no mark :TUNER (FM/AM)

(Page 27)

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