Panasonic SAPM-25 Service manual

CD OPTICAL PICKUP

SEMICONDUCTOR

LASER

+B

PHOTO DETECTOR

E

D
A
D

F

BDO
DET.

+B

CRBRT

OFTR

DET.

+B

­+

+

-

+B

TEOUT

IC701

AN8885SBE1

SERVO AMP

6

LPD

Q701
LASER

7

POWER

DRIVE

+B

E

C
B
C

F

LD

4

PDA

13

LDON

5

PDB

1

PDE

+B

2

PDF

+B

+B

+

-

+B

+B

-

A

+

+B

-

B

+

+B

+B

-

E

+

-

F

+

ECH

VCBA

+B

FCH

8 9 10

RF RFIN

­+

ACH

VCBA

BCH

+B

TBAL

2827

FBAL

RF

DET.

SUBTRACTER

TEN

SUBTRACTER

+B

+B

CROSS

1622

+B

11

CEA

ENV

3

TENV

OFTR

BDO

/RFDET

FEN

-

FE OUT

+

­+

+B

TEBPF

2123

VCC

VREF

GND

-

VDET

+

­+

+B

ENV

19

OFTR

17

12

BDO

15

/RFDET

25

24

FE

3

+B

26

+B

14

18

+B

FOCUS COIL

TRACKING COIL

M701

TRAVERSE

MOTOR

M702
SPINDLE
MOTOR

M

M

IC703

BA5948FPE2

BTL DRIVER

F+

F-

T+

T-

TRV+

TRV-

SP+

SP-

15

16

17

18

14

13

12

11

-

D3+

+

[CH3]

D3+

D4-

[CH4]

D4+

D2+

[CH2]

D2-

D1+

[CH1]

D-

LEVEL
SHIFT

+

-

­+

LEVEL
SHIFT

+

-

­+

LEVEL
SHIFT

+

-

­+

LEVEL
SHIFT

+

-

LDON

TBAL

FBAL

26

VREF

28

MUTE
[CH1]

MUTE

[CH2]

IN3

27

IN4

IN2

1

3

IN1

4

PC1

PC2

2

­+

­+

­+

­+

TE

+B

FOD

TRD

LOADING

TVD

ECS

ECM

PC

TO MAIN UNIT

E

BLKCK

+B

SQCK

SUBQ

DSLF2

+B

MLD

MCLK

MDATA

+B

STAT

D309

D311

D310

IC702

MN662790RSC

SERVO PROCESSOR/DIGITAL SIGNAL PROCESSOR
DIGITAL FILTER/D/A CONVERTER

(R)

PWM

1 BIT DAC

DIGITAL AUDIO

INTERFACE

INTERFACE

SOFT MUTING/

DIGITAL

ATTENUATION

PWM LOGICS

PWM

(L)

D/A

CONVERTER

OUTPUT

PORT

DIGITAL DE-EMPHASIS

SERVO CPU

DIGITAL FILTER

8 TIMES OVERSAMPLING

DIGITAL AUDIO

INTERPOLATION/

OUTR

OUTL

FLAG

IPFLAG

LRCK

SRDATA

BCLK

DMUTE

DSLF2

KICK

VREF

TBAL

FBAL

/TLOCK

/FLOCK

ECM

ECS

TRV

TVD

TRD

FOD

75

73

65

64

6

TX

24

25

23

PC

2

3

1

16

42

26

21

29

22

27

28

31

30

12

11

RCH

CD SIGNAL

TO MAIN UNIT

ECM

ECS

PC

DSLF2

+B

TVD

TRD

FOD

TBAL

FBAL

+

-

+

-

PSEL

MSEL

+B

SSEL

16K

SRAM

DEINTERLEAVE

CIRC ERROR CORRECTION/

+B

66 78 79 80

66

CLVS

CRC

67

13

BLKCK

62

/CLDCK

56

SBCK

55

SUBC

68

DEMPH

80

SSEL

14

SQCK

15

SUBQ

PCK

53

48

PLLF

EFM

52

PLLF2

41

47

DSLF

DRF

46

44

ARF

76

RSEL

78

PSEL

9

MLD

7

MCLK

8

MDATA

45

IREF

17

STAT

79

MSEL

54

VCOF2

49

VCOF

BYTCK

61

BUFFER

SUBCODE

DSL/PLL VCO

VCO

IOSEL

BUFFER

CD-TEXT

EFM DEMODULATION/

SYNC INTERPOLATION

SUBCODE DEMODULATION

MICRO COMPUTER

INTERFACE

TIMING

GENERATOR

PITCH CONTROL

A/D CONVERTER

SMCK

CSEL

FCLK

19

63 20 59 58 32 33 34 37

X2 OUT

X701

(16.9344 MHz)

X1 INFETE

FE

TE

RFENV

ENV

INPUT PORT

TRCRS

VDET

35 39

BDO

BDO

SERVO
TIMING

GENERATOR

/RFDET

38

/RFDET

OFT

10 43 40 18

36

OFT

SENSE

WVEL

LDON

LDON

/RST

/CDRST

FM ANT

1

5

Z20

RF AMP

Q1

3 4 6

Q2

MIXER

Q3 Q4

BUFFER

OSC

+B

(FM)

AM ANT

CF1

7

8

Q1,Q2

IF AMP

CF2

FM

ANT

COIL

Z1

AM

AM
OSC
COIL

(FM)

+B

Q105(Q205)

MUTING
SWITCH

TMUTE

IC1

LA1833NMNTLM

FM/AM IF AMP,
DET/AM OSC,
MIX/FM MPX

+

24 23 22

ALC

BUFFER

LEVEL

DET

FM

IF

1 2 3

16

PHASE DETECTOR
CHARGE PUMP

17

18

11

UNLOCK
DETECTOR

REFERENCE
DIVIDER

SWALLOW COUNTER
1/6,1/17,4 BITS

12 BITS PROGRAMMABLE

DIVIDER

21 20 19 18 17

AM

AM

OSC

MIX

S-CURVE

AM/FM

FM

DET

1
2

BUFFER

REG

4 5 6 7

Z2

AM
IFT

IF

AM
RF AMP

AM

IF

AGC

COMP

TUNING

DRIVE

SD

PHASE

AM

DET

VCO

FF FF

X2

X103

REG

98 10 11 12

+B

ST

1

20

14

12

13

RCH

1316 15 14

DECODER

PILOT

STEREO
SWITCH

CANCEL

PILOT

FF

DET

ST/DO

SD

DET

52DO

UNIVERSAL
COUNTER

15

+B

Q6

POWER

+B

SUPPLY

CONTROL

+B

(FM)

POWER ON
RESET

19

SHIFT REGISTER LATCH

12710 96 8

IC2

LC72131MDTRM

PLL FREQUENCY SYNTHESIZER

CE

C2B
I/F

3DI

4

CL

E

ST/DO

CE
DI

CL

TMUTE

LOADING

STAT

SUBQ

ST/DO

BLKCK

/CDRST

SD

Q306

SWITCH

-B

Q307

SWITCH

Q308

SWITCH

S702

+B

D601~D604

SQCK

CE/MLD

DI/MDATA

CL/MCLK

VT

D611

D610

A

20

12

MLD/PLLCE

14

MDATA/PLLDA

13

MCLK/PLLCK

-B

SQCK

2421

SD

RESTSW

CDRST

2325 2215

BLKCK

SUBQ

PLL_DO/ST

M38258MCM088

26

43

44

STAT

CD CLOSE

CD_OPEN

IC601

50

11

TMUTE

CDOPN_SW

MICROPROCESSOR

Q311

SWITCH

+B

D614~D616

Q601,

Q602

Q603,

Q608~Q610

8,16,19,30

SWITCH

SWITCH

DIMMER

LED1~LED3,

+B

R/P HEAD

(L ch)

FILTER

Q1102(Q1202)

MUTING
SWITCH

ERASE

HEAD

IC1001

AN7326K

P/B REC AMP

BA7755A

ANALOG SWITCH

2

IC1000

22(1)

PB LIN(R)

4

Q1317

BEAT PROOF

LEVEL SWITCH

21(2)

3

L1301

FILTER

20(3)

PB L NF(R)

+

19(4) 18 17 16 15 14 13 12 10

REC

PB L EQ(R)

PB LOUT(R)

MUTE

ALC LOW CUT

TPS

TPS OUT

6

TPS GAIN

REC

LIN(R)

REC AMP (L)

L OUT(R)

ALC

ALC

+B

Q1304

SWITCH

Q1308

SWITCH

Q1309,

+B

Q1310,

Q1312

BIAS OSC
CONTROL

Q1303

SWITCH

+B

VCC

REJECTION

NOR/CRO SW

LOGIC

IC971

0N2180RLC

PHOTO INTERRUPTER

RIPPLE

SWITCHING

PB/REC

SW

9

RF

Q1301

DECK

MUTING

CONTROL

Q1321,

Q1322

SWITCH

Q1305

SWITCH

28

Q1313

SWITCH

34

BP

M38258MCM088

5

VR801

JOG VOL

V_JOG

42 41

OSCILLATOR

Q604,Q605

MBP2

CR02

IC601

MBP1

39 38

S971 (MODE)

Z971

MICROPROCESSOR

XOUT

XIN

X601

S972 (HALF)

Q1306,Q1307

S973 (CR02)

S974 (RECINH_R)

INTERFACE

SWITCH

4

MK_IN2

XCOUT

37 36

X602

S976 (METAL)

S975 (RECINH_L)

3

MK_IN1

XCIN

27

29

DMT

RECH

CD SIGNAL

FILTER

JK301

AUX IN

Q102(Q202)
Q104(Q204)

SWITCH

Q305

SWITCH

Q1314,Q1316

SWITCH

M

MOTOR

1

(20)2(19)3(18)4(17)5(16)6(15)7(14)8(13)

BINL(R)

SO L(R)

BVNL(R)

BVOL(R)

9(12)

INLC(R)

IC303

BH3857AFV-E2

26

INLD(R)

29

PORT4

SCK

ASP

SI

SI

3234

33

D306

SIN L(R)

SNF L(R)

XCOUT

40(21) 39(22)

NF L(R)

BUOUT L(R)

XCIN

9

10

(12)

FILTER

OUTL(R)

PORT 3

PORT2

A

D307,D308

38(23)

28

Q1315

SWITCH

SOLENOID

IN L(R)

27

D971

Q103(Q203)

AMPLIFIER

Q301

AMPLIFIER

Q101

(Q201)

MUTING
SWITCH

Q504

MUTING
SWITCH

47

ASP_CLK

Z602

EDATA

IC702

BR93LC46FE2

EEPROM

3

52

SEG37

53~90

ECS

ECLK

4

51

ECS

ECLK

IC601

MICROPROCESSOR

SEG0

Q606

35

POWER

RESET

SWITCH

RESET

Z601

33

MUTEA

RMT_IN

18

5

49

48

ASP_LATCH

ASP_DATA/EDATA

COM3

94~97

M38258MCM088

COM0

FL DISPLAY

D521

SIGNAL LINES

MAIN SIGNAL LINE

FM OSC SIGNAL LINE

FM SIGNAL LINE

( ) indicates Pin No. Right Channel.

Q514

SWITCH

2(5)
1(6)

+

D523

3

IC502

AN7135

POWER AMP

RIPPLE FILTER/
STABILIZER

10

FP510

CD SIGNAL LINE

AM OSC SIGNAL LINE
AUX SIGNAL LINE

11(8)

+

-

D522

+

12(7)

+

+B

AM SIGNAL LINE

FM & AM SIGNALS LINE

Q510

STABILIZER

PLAYBACK SIGNAL LINE

RECORDING SIGNAL LINE

JK502

HEADPHONES

+

JK503

HIGH CH

+B

SPEAKER

-

KEY SW

9,10

KEY2

KEY1

M38258MCM088

Q512

POWER

CONTROL

SWITCH

31

PCONT2

IC601

MICROPROCESSOR

Q511

SWITCH

IC301

S81333HG-Z

REGULATOR

Q312

SWITCH

32

PCNT

+B

SYNC/HALT

+

Q503

CURRENT

SWITCH

Q303,Q304

SWITCH

Q313

POWER

CONTROL

SWITCH

IC501

POWER

D512

AMP

REGULATOR

OUTPUT PIN TO VCC
SHORT PROTECTOR

LOAD SHORT

PROTECTOR

OUTPUT PIN TO GND
SHORT PROTECTOR

OVER VOLTAGE/

SURGE PROTECTION

THERMAL

SHUTDOWN

D506~D509

Q309

D524

D505

D501~D504

D510

INVERTING

INVERTING

INVERTING

T1

POWER TRANSFORMER

2

IN1

7

IN2

RIPPLE

3

FILTER

+

STANDBY

5

SWITCH

POP

6

NOISE

+

REGULATOR

17

Q502

+B

+

PRE-

-

DRIVER

RIPPLE
FILTER

BIAS CIRCUIT

STANDBY

SWITCH

POP NOISE

PREVENTION CIRCUIT

+B

SWITCH

D513~D516

Q501

OUT 2(1)

NON-

OUT 2(1)

NON-

OUT 2(1)

T2

SUB

TRANSFORMER

LA4705NA

POWER IC

12(17)

14(15)

11

Q505

SWITCH

RL501

+

-

Q506

SWITCH

JK504

SPEAKER

LCH

F1

Q507

CURRENT

LIMITTER

Q508

CURRENT

LIMITTER

Q509

REGULATOR

JK501

AC INLET

+B

+B

ABCDEFG

1

DECK P.C.B. (REPX0240B)

B

1

C1221

IC1001

C1308

C1307

R1317

Q1316

EB

C

R1341

C1326

R1343

J1004

123456789

C1102

C1201

C1203

C1327

R1308

Q1314

J1005

J1023

J1018

R1201

J1024

C1301

B
C
E

C1202

5

C1205

C1222

C1204

C1223

C1208

R1304

C1305

R1105

R1110

R1104

+

W1903

-

Q1102

Q1322

EB

C

R1346
B
C

Q1321

E

J1101

J1006

R1345

H1302

234

1

J1025
R1202

R1203

12345

C1209

C1206

R1204
R1205

R1206

J1015

SD

R1310

J1012

J1009

J1007

J1103

J1102

CP1301

C1207

IC1000

R1210

R1106

G

R1109

J1104

123456789

J1105

R1101

C1303

S1301

C1104

C1103

C1106

2

3

J1020

R1102
C1302

C1123

C1109

C1107

C1101

C1121

C1105

J1021

R1103

R1302

C1108

C1304

R1303

22

C1122

12 11

C1306

R1307

4

5

R1320

CP1902

R1318

J1003

R1323

Q1315

R1344

B
C
E

Q1307

Q1307

EB

C

R1319

EB

C

R1321

Q1306

6

R1322

C1323

J1026

C1322

Q1313

C1324

SD

G

R1209

J1013

J1010

J1008

J1002

R1324

C1321

R1337

Q1317

EB

C

R1335

EB

C

R1334

R1336

D1301

R1332

C1320

J1017

R1309

R1309

R1305

Q1305

EB

Q1202

EB

C

R1311

C1309

J1011

R1312

J1201

CN1303

6
5

C1325

C1314

R1328

C

R1316

Q1301

J1202

45678

L1301

C1318

C1319

J1022

R1330

C1315

C1314

R1327

Q1312

J1203

1
2

34

R1329

B
C
E

Q1310

R1333

C1317

C1316

C1312

C1311

R1331

Q1304

EB

C

EB

C

Q1303

123

B

C

E
J1019

R1326

J1016

B
C
E

R1314

Q1309

B
C
E

Q1308

7

8

9

DECK MECHANISM P.C.B. (REPX0108)

C

S973
CR02

REV

S974

PL+ PL-

D971

J1

R973

Z971

6
5
4
3
2
1

IC971

2

1

34

S972
HALF

J3

S971

MODE

CS971

1234567897

R972

J2

FWD

S975

SOLENOID

ABCDEFG

1

MAIN / TUNER P.C.B. (REPX0241C)

D

R110

R219

J128

J106

J123

R352

J133

C334

J359

R109

R339

B
C
E

J144

R118

Q204

J134

C302

C111

J124

R353

Q308

R340

J104

C222

B
C
E

Q104

J312

J311
J309
J307

R328

R351

C342

C329

LCH

B
C
E

C303

R370

3

C122

R218

J277

J271

J135

C123

Q301

R302

R211

AUX

J352

C223

B
C
E

J130

C213

C224

J118

1

2

J142
J141

R311

C335

CS801

R341

JK301

RCH

R117
R217

Q102

B
C
E

EB

C

Q305

J319

C301

R301

C304

Q203

B
C
E

R208

C124

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

R342

R343

J257

C212

R344

J301

B
C
E

J136

J270

IC301

213

C211

R210

J121

R325

J137

C319

C318

J360

R336

R337

BLACK

Q202

J310
J308

J306
J305

R209

J117

BLUE

1
2

J251

R310

R375

J143

R373

C350

J269

J303

J259

CP802

C317

R315

J140

Q313

J138

EB

C

Q312

J320

J268

J318

/W802

Q309

B
C
E

B
C
E

J102

Q303

R313

R374

CS305

1

J273
J272

J208

J325

J322

10

CS304

10

2
3
4
5
6
7
8
9

1
2
3
4
5
6
7
8
9

R355

D302

J278

J358
J357

R354

R312

J324

J328

C360

D303

J323

J281

R356

C346

D312

D304

B

B

C

C

R314

E

E

Q304

J139

J327

J326

R27

J5

R304

J122

D308

GND

6
5
4

CF1

J4

J9
J8

J7

J6

R46

Q205

C311

R348

J351

R345

2

J21

R4

C4

J12

C29
C48

C17
C18
C37

C42

C41

C44

B
C
E

C310

J112

J108

J204

AM-LOOP
ANTENNA

34

L1

Z1

7

8

9

C8

Q1

B
C

R6

C3

E
B

C

Q2

E

J11

Z2

4

6
5
3

C49

C6

C26

X2

R24

12

IC1

13

C31

C39

C16

R23

R43

C38

R45

C43

J304

J132

B
C

R115

R215

E

R216

R116

J262

J263

J264

R114

R214

C338

C339

J113

J109

J302

J353

J205

3

R8

C47

R12

R7

J19

C19

D311

D310

J110

R2

R350

R9

R26

24

C20

Q105

C113

R111

Q306

2
1

1

2

1

R21

R333

R349

L2

J61

R25

J18

J3

C15

J129

J125

R334

J255

J23

Q6

C5

EB

J13

C27

J16

C9

R18

J17

1
2

3

CF2

R20

J2

C214

C114

R108

C112

Q103

D309

R335

C331

J111

R338

C340

B
C
E

Q307

JK1

J22

C

J14

J15

R31

C14

R19

C36

R303

C345

R119

B
C
E

C333

C332

C341

B
C
E

J105

FM-LOOP
ANTENNA

1

2

Z20 (TUNER PACK)

1

J24

2

J20

3

C7

3

4

R11

C25

J29

C11

R16

J25

C33

C34

4

R14

R13

C10

R15

C12

J27

D1

R28

C30

C32

IC2

1

X3

R3

J28

R10

5

C1

C2

6

3
2

R5

1

7

C23

8

L3

R32

R29

C24

1120

J10

J53

C13

10

J52

R30

5

R33

R17

R38

R34

R37

R36

R35

R322

6

7

8

9

J267
J266
J265

C119

C115

J261

J207

J260

R371
R347

J356

R626

J254
J253

J252

36

3534333231302928272625242322212019181716151413121110987654321

C125

R306

J116

R120

R307

C116

CS601A

R308

R113

40
1

C117

C120

J314

C307
C306

C305

IC303

C118

C312

R112

R213

C313

J119

J107

CN1301/W1301

J202

J317

J315

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