Panasonic SA AK350 Service Manual

SCHEMATIC DIAGRAM -1

OPTICAL PICKUP CIRCUIT

LASER DIODE

6 8

11

C

12 10

5

1

4 9

2

3

4

C

GND

VCC

BIN

AIN

NBOUT

NAOUT

VREF

C

GND

C

8

7

6

5

: +B SIGNAL LINE

: CD-DA SIGNAL LINE

CD SERVO CIRCUIT

R701

1

VCC

2

PDF

3

PDE

4

LD

5

LD GND

6

6 7 8 9

10 11 12 13 14 15 16

CN701

GND

7

NB

8

GND

9

NA

10

VREF

11

LPD

12

GND

13

T-

14

T+

15

F-

16

F+

C751

0.1

C

<3.2V>

((0V))

Q701

R750

4.7

C713

0.1

C750

0.1

<0.9V> ((2V))

4.7

<2.7V> ((2.3V))

C701

6.3V33

Q701

2SA1037AKSTX

LASER POWER DRIVE

C714

6.3V100

<1.6V>

1 2 3 4

PDE

FBAL

<1.6V>

C712

0.1

C711

0.1

R708

22K

((0V))

2728

((0V))

<1.6V>

PDF

TBAL

<1.6V>

R707

39K

29

<1.6V>

((0V))

<3.2V>

((0V))

52262172081991810171116121513 14

PDB

PDA

VCC

FEN

FEOUT

VREF

((0V))

<1.6V>

C747 180P

R744 120K

C749

2200P

R7061KR704

30

<0.9V>

<2.7V>

((2.3V))

<0V>

((0.2V))

((0V))

LD

RF

LPD

IC701

AN8885SBE1

SERVO AMP

TEN

TEOUT

NC

23242526

1K

((0V))

<1.6V>

C742

0.027

<1.6V>

R705 150K

((0V))

<0V>

((0V))

C710 120P

R702

10K

((1.4V))

RFIN

NC

((0V))

C702

<0.7V>

((0V))

<0V>

((0V))

0.1

<1.9V>

CSBRT

ENV

<1.6V>

C706

((0V))

2700P

C707

0.027

CEA

NC

C703

6.3V100

C704

0.1

<1.6V>

((0V))

<0V>

((0V))

<0V>

BDO

OFTR

<0V>

((0V))

<0V>

((3.1V))

LDON

PDOWN

<0V>

((0V))

<0V>

((0V))

GND

/RFDET

<0V>

((3.2V))

C735

0.1

C734

10V220

33

28

<0V>

((0V))

<1.6V>

((0V))

<1.6V>

((0V))

<1.6V>

((0V))

<7.3V>

((0V))

<7.3V>

<3.3V>

D3-

((3V))

<3.3V>

D3+

((3V))

D4-

<3.3V>

((3V))

<3.3V>

D4+

((3.5V))

NC

<3.3V>

((0V))

208199181017

<0V>

((0V))

PGND2

21

<7.3V>

((0V))

PVCC2

GND

<0V>

((0V))

29

<0V>

((0V))

22 23 24

NC

VCC

((0V))

VREF

25 26

IN4

27 28161315

NC

IN3

RSTIN

IC703

D1+

((3.5V))

1112

<3.7V>

((3.5V))

D1-

<3.7V>

NC

((4.1V))

<0V>

35

((0V))

<0V>

((0V))

<0V>

7 12

30

<0V>

((0V))

IN1NCPC2NCIN2

NC

<0V>

((0V))

<1.6V>

((0V))

<1.6V>

<0V>

R735

D2+

D2-

14

((0V))

<3.3V>

36

C737

0.1

GND

PGND1

PVCC1

M

M702

SP MOTOR

38

C736

0.1

37

M

M701

TRV MOTOR

IC703

AN8739SBE2

FOCUS COIL/

TRACKING COIL/

TRAVERSE MOTOR/

SPINDLE MOTOR DRIVE

3456

((0V))

100

<1.6V>

R724

18K

((0V))

<0V>

((0V))

R725

390

R715

1K

/RST

C715

2700P

((0V))

<1.6V>

R736

100

R727

3.9K

C752

1000P

R723

6.8K

C738

0.01

R729

3.9K R749

4.7K

C739

1500P

R728

3.9K

R731

6.8K

SCHEMATIC DIAGRAM - 2

: +B SIGNAL LINE : CD SIGNAL LINE

CD SERVO CIRCUIT

: CD-DA SIGNAL LINE

R721

100

C731

6.3V220 C730

0.1

R717

1K

R718

1K

C725

1000P

C726

1000P

C727 50V1

C728 50V1

20

18

19

23

22

21

C723

10V220

C724

0.1

X701

RSXZ16M9M01T

C722

10P

C717

0.1

R711

82K

C716 820P

C744

5600P

R709

47K

R714

C721

10P

C718

0.22

C754 470P

<0V>((0V))

<3.2V>((0V))

<2.9V>((0V))

<1.5V>((0V))

<0V>((0V))

<1.5V>((0V))

<2.9V>((0V))

<3.2V>((0V))

<0V>((0V))

62

66

64

63

61

65

67

CRC

CLVS

FCLK

FLAG

BYTCK

IPFLAG

60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41

VDD X2 OUT X1 IN VSS SBCK SUBC VCOF2 PCK EFM AVSS2 AVDD2 VCOF PLLF DSLF DRF IREF ARF WVEL DSLF2 PLLF2

<3.2V>((0V)) <1.5V>((0V)) <1.5V>((0V))

0

R712

220

R741

47K

R742

220K

<0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V))

<3.2V>((0V))

<0V>((0V)) <0.5V>((0V)) <1.6V>((0V)) <1.6V>((0V))

<1V>((0V)) <1.6V>((0V))

<0V>((0V)) <1.5V>((0V))

<0V>((0V))

/CLDCK

BDO

LDON

40

39

<0V>((3.2V))

MN662790RSC

DIGITAL SIGNAL PROCESSOR/

VDET

OFT

TRCRS

/RFDET

38

34

36

35

37

<0V>((0V))

<0V>((3.2V))

72

69

70

RESY

71

IOSEL

/TEST

73

AVDD1

68

DEMPH

IC702

SERVO PROCESSOR

DIGITAL FILTER/

D/A CONVERTER

VREF

FBAL

TBAL

FETERFENV

32

28

29

33

30

31

<1.6V>((0V))

74

75

OUTL

OUTR

AVSS1

TRD

FOD

KICK

26

27

<1.6V>((0V))

78

76

77

RSEL

IOVDD

ECM

ECS

25

24

23

<0V>((0V))

<1.6V>((0V))

80

79

SSEL

MSEL

PSEL

TVD

PC

TRV

22

21

<3.2V>((0V))

<1.6V>((0V))

C732

6.3V220

<3.2V>((0V))

BCLK LRCK

SRDATA

DVDD1 DVSS1

TX

MCLK

MDATA

MLD

SENSE /FLOCK /TLOCK

BLKCK

SQCK SUBQ

DMUTE

STAT /RST

SMCK

CSEL

<0V>((0V))

C733

0.1

1

<0V>((0V))

2

<0V>((0V))

3

<0V>((0V))

4

<3.2V>((0V))

5

<0V>((0V))

6

<1.6V>((0V))

7

<3.2V>((0V))

8

<0.5V>((0V))

9

<3.2V>((0V))

10

<0V>((0V))

11

<0V>((0V))

12

<0V>((0V))

13

<0V>((0V))

14

<0V>((0.2V))

15

<3.2V>((3.1V))

16

<0V>((0V))

17

<0V>((3.1V))

18

<3.1V>((0V))

19

<0V>((0V))

20

<0V>((0V))

19

LCH OUT

18

A.GND

17

C745

1000P

C753 470P

C743

0.1

8

6

7

4

11 10 9

R753

10

RCH OUT

+3.3V D.GND LD SW

+7.5V P.GND

MCLK

MDATA

MLD

SPEED BLKCK

SQCK SUBQ

STAT

/RST

RESET

SW

TX

3

16 15 14 13 12

11

10

9 8 7 6 5 4 3 2 1

CN702

TO MAIN CIRCUIT (CN310) ON SCHEMATIC DIAGRAM-5

TJ702

S701

RESET SW

15

16

1

SCHEMATIC DIAGRAM - 3

: +B SIGNAL LINE : FM/AM SIGNAL LINE

TUNER/MAIN CIRCUIT

: FM SIGNAL LINE : FM OSC SIGNAL LINE

: AM SIGNAL LINE : AM OSC SIGNAL LINE

FM EXT

ANT

75 OHM

GND

AM LOOP ANT

AM EXT

ANT

JK101

1

2

3

4

1

2

3

4

5

L102

RLQB1R0KTD-D

R110

1K

D101

UDZSTE175R1B

R114

5.6K

C110

0.01

R152

0

TUNER PACK Z120 (RAL0029)

5.6P

G

100K

2.7K

3

AM ANT COIL

2

1

8

9

Z101

RLA2Z007-T

R112 100K

C107

0.047

LA1833NMNTLM

C132

1000P

C130

6.3V100

C133

C112

27P

0.01

<2.59V>

XOUT

RSXC7M20S05T

X103

XIN

1 2 3 4

R138

3.3K

R130

10K

<2.6V>

C134

27P

2SK544 RF AMP

D

S

0.001

2.2P

AM OSC COIL

7

FM/AM IF AMP

DET/AM OSC MIX/

FM MPX

C125

16V22

((2.6V))

<0V>

((0V))

VSS

PLL FREQUENCY SYNTHESIZER

CEDICL

<0.55V>

((0.77V))

((2.61V))

1K

R137

CE

2.2P

100K

220

4.7P

4 5 6

C108

8P

IC101

R111

390

R113

10K C111

50V4.7

R115

560

R116

1K

<0.81V>

((0V))

<5.64V>

((12.33V))

17181920

PD

AIN

AOUT

IC102

LC72131MDTRM

DO

51661571481391210

<0.02V>

<5.15V>

((0.23V))

((4.75V))

470

1K

R134

R135

R136

DO/ST

PLLCLK

PLLDA_2

1.2u

180P

560K

<5.15V>

((0V))

VDD

AM

<5.01V>

((5.03V))

820K

C113

<2.58V>

((5.16V))

FMIN

LW

<0V>

((5.19V))

2SC2786M FM MIXER

3.3P

10P

390

2SC1675L1L2 BUFFER AMP

LOCAL OSC

2.2P

C136

1000P

R117

47K

1000P

82

R151

<0V>

((2.59V))

((0V))

AMIN

SDC

((0V))

<4.66V>

((4.83V))

R119

3.3K

R129

27K

<0V>

((0V))

MONO

STRQ

<0.02V>

((4.43V))

11

0.001

680K

<0V>

IFIN

FM

390

R118

3.3K

C127

16V22

C124 100P

((0V))

<0.05V>

((12.31V))

2 1

0.47u

7

6

10P

8

C114

50V3.3

C126

16V10

Z102

RLI2Z021M-T

CF201

RLFFETWND01M

1

3

2

C101

C102

0.01

16V10

C109

1000P

<6.11V>

((6.27V))

<4.68V>

((4.85V))

2324

OSC

OSC OUT

AM MIX OUT

FM IF IN

1 2 3 4

<6.1V>

<2.08V>

((2.09V))

((6.27V))

3

5

6

R128

82

C106

0.01

AFC

REG

4

C104

1000P

R105

470

R103

270

C119 680P

R120

47K

<2.42V>

((2.46V))

2122

<2.08V>

((2.07V))

C103

0.01

<2.42V>

AM RF IN

AM IF IN

<2.06V>

6.3V100

R107

330

R106

R101

470K

0

<2.91V>

<0.02V>

((0.02V))

Q101

<0.02V> ((0.02V))

R121

22K

R143

C116

0.033

C115

50V4.7

<2.39V>

((2.36V))

<2.02V>

((2.02V))

<0.16V>

((0.25V))

((2.46V))

AGC

AM OUT

DET OUT

ST

GND

SD

5206197188179

<0V>

((0V))

((5V))

<5.15V>

((4.22V))

((2.08V))

C147

1000P

C148

0.01

C129

SD

R126

470

R125

1K

C149

DO/ST

R104

1K

CF202

RLFFETWND01M

1

3

2

Q101

2SC2058SPTA

FM IF AMP

C120

16V10

C138

0.01

22K

C139

50V4.7

C131 150P

0.01

C118

68K

4.7K

R123

R102

<2V>

((2.02V))

<2.06V>

((2.07V))

<2.07V>

((2.08V))

16101511141213

RCH

MPX IN

PILOT IN

IC101

PILOT OUT

VCC

STRQ

<6.1V>

((4.13V))

((6.17V))

33

RLFDFT22DD

<0.02V>

((3.68V))

470

R127

R132

10K

FM/AM

FM DET

<3.97V>

R124

X102

0.1

C137

3300P

<1.7V>

((1.76V))

<5.01V>

((5.19V))

50V1

C122

2.7K

R122

<13.6V> ((0.02V))

<1.69V> ((1.78V))

LCH

MONO

Q106

KRA102MTA

TUNER 15V

SUPPLY SWITCH

R146

100K

C117

R142

0.01

6.8K

C142

R141

50V1

6.8K

C141 50V1

R145 100K

C143

6800P

<3.66V>

((3.76V))

C121

50V0.47

R144

120

R131

120

R133

1K

PLLDA_2

<13.64V> ((13.75V))

<0.07V> ((13.72V))

Q106

C144

6800P

50V1

C123

TGND

15V

DO/ST

SD

+7.5V

RCH

CE

LCH

DO/ST

PLLCLK

TO MAIN CIRCUIT (2A) ON SCHEMATIC DIAGRAM-4

1A

TO MAIN CIRCUIT (2B) ON SCHEMATIC DIAGRAM-4

1B

RCH

AUX

LCH

TO TUNER CIRCUIT (1B) ON SCHEMATIC DIAGRAM-3

TO TUNER CIRCUIT (1A) ON SCHEMATIC DIAGRAM-3

TO DECK CIRCUIT (H1001/ W1001) ON SCHEMATIC DIAGRAM-11

TO CD LOADING CIRCUIT (CN1) ON SCHEMATIC DIAGRAM-13

SCHEMATIC DIAGRAM - 4

: +B SIGNAL LINE : FM/AM SIGNAL LINE

MAIN CIRCUIT

R201

10K

C201

C202

C304

0.01

100P C402

100P

R385

27

R310

12K

R312

220

R314

12K

R202

3.3K

R402

3.3K

R309

22K

R311

10K

R313

22K

R315

10K

ST/DO/SQCLK

JK305

CN304

CN309

2B

2A

RCH CE LCH PLLDA_2 DO/ST PLLCLK

TGND +15V DO/ST

SD +7.5V DET_OUT

10

PBL

9

PBR

8

AGND

7

RECL

6

RECR

5

+15V

4

DGND

3

MO+B

2

MOGND

1

MECA.G

14

CHG_CW

13

CHG_HALF

12

8V

11

CHG_CCW

10

CLAMP

9

OPEN

8

SW1

7

PGND

6

SW2

5

DGND

4

5V

3

POSITION

2

BOTTOMSW

1

PLUNGER

680P C401

680P

R401

10K

C303

1000P

R302

4.7K

R338

0

R303

10K

R382

0

D317

UDZSTE177R5B

R307

47K

R308

47K

C320

0.47

PLLCE1

PLLDA

PLLCLK

+15V

DET_OUT

+15V

MO10V

VREF+

SW2 SW1

CHG_CW

CHG_HALF

CHG_CCW

CHG_AD1

VREF+

SW5V

CHG_AD2

VREF+

+9V

SD

8V

R203

R204

1K

47K

R403

R404

1K

47K

R205

1K

R206

R405

1K

R406

C204

R209

16V10

100K

R210

R410

8.2K

+9V

LM_L

R418

1K

C407

50V0.22

KTC3875GRTA

LEVEL DETECTOR SWITCH

+9V

LM_R

R218

1K

C207

50V0.22

MO10V

CHG_PLGR

<0.02V> ((0.03V))

: AUX SIGNAL LINE : CD SIGNAL LINE

C241

0.039

R2460R270

39K

47K

220P

C203

47K

220P

C403

C404

R409

16V10

100K

D405

MA728TX

<9.95V>

((9.96V))

<9.94V> ((9.94V))

D205

C406 50V1

D404

DA204KT146

C206 50V1

D204

DA204KT146

<9.95V> ((9.97V))

R461

33K

R417 100K

Q201,Q401

R261

33K

R217 100K

R316

10K

R317

1K

Q301

<0.01V> ((0.01V))

: MAIN SIGNAL LINE : PLAYBACK SIGNAL LINE : RECORD SIGNAL LINE

R271

15K

50V2.2

C209

<2.59V>

((2.62V))

<2.56V>

((2.58V))

<2.57V>

((2.58V))

42

REC-B1

REF IN

1

C408

16V10

C208

16V10

<0.01V> ((0.01V))

39

40

41

IN 2A

/SUR1

/SUR2

REC-B2

REF OUT

IN 1A

2

4

3

<2.6V>

<2.63V>

((2.63V))

((2.62V))

16V10

50V2.2

C409

C306

C305

R414

2.2K

<6.13V> ((6.17V))

Q401

<1.57V>

<0.95V>

((1.58V))

((0.96V))

R415

100

R416

1K

R214

2.2K

<6.19V> ((6.24V))

Q201

<0.92V> ((0.94V))

R215

100

R216

1K

<1.55V>

((1.56V))

Q302

KTA12710YTA

CD MOTOR SUPPLY SWITCH

D312

SUPPLY CONTROL SWITCH

RL1N4003N02

50V2.2

50V4.7

50V2.2

C212

C211

C210

<2.62V>

((2.63V))

<2.62V>

((2.63V))

<2.62V>

((2.6V))

3738

IN 2B

IN 2C

IN 2D

IN 1D

1N 1C

IN 1B

6

5

<2.6V>

((2.6V))

<2.62V>

50V2.2

50V4.7

C411

C410

C412

R411

R412

100

330K

C405 50V1

R413

82K

R212 330K

C205 50V1

R213

82K

Q302

Q301

KRC102STA

PLUNGER MOTOR

TO PANEL CIRCUIT (CP601) ON SCHEMATIC DIAGRAM-9

17 16 15 14 13 12 11 10

SUBQ

/CDRST

STATUS

36

<2.62V>

((2.63V))

IN 2E

/RESTSW

<2.63V>

35

REC-A2

CHG_PLGR

C1BB00000654

AUDIO SOUND PROCESSOR

0

R386

16V10

C214

<2.6V>

((2.62V))

<2.63V>

((2.63V))

33

32

34

VSEL

OUTA2

REC-C2

IC300

VSEL

OUTA1

REC-C1

REC-A1

IN 1E

8

7

((2.63V))

R211

100

<2.62V>

((2.63V))

<2.63V>

R446

0

C441

0.039 R470

10 11 121314

9

<0V>

((0V))

<2.6V>

((2.63V))

((2.61V))

16V10

C414

15K

R471

39K

CHG_HALF

0.1

C215

<2.61V>

((2.63V))

LOUD2

LOUD1

<2.61V>

((2.62V))

0.1

C415

31

BASS

R419

1.5K

CHG_CW

IC300

50V0.33

C216

<2.61V>

IN2

IN1

<2.61V>

50V0.33

C416

SW1

CHG_AD1

CHG_AD2

CHG_CCW

1.5K

R220

R219

50V0.33

0.1

C219

C217

C218

<2.63V>

((2.63V))

<2.62V>

((2.62V))

<2.62V>

((2.63V))

((2.61V))

29

30

MID

OUT2

BASS

OUT2

MID IN2

MID

OUT1

BASS

OUT1

MID IN1

15

<2.63V>

<2.62V>

((2.63V))

50V0.33

C417

R420

3.9K

((2.62V))

0.1

C418

<2.63V>

((2.63V))

0.1

C419

<4.9V>

((5V))

((2.62V))

Q320

R341

390

Q320

B1AAKD000009

VOLTAGE REGULATOR

SW2

BLKCLK

3.9K

C220

1800P

<2.62V>

((2.63V))

26

2728

VSEL

TREBLE2

TREBLE1

16

17

<2.62V>

((2.62V))

1800P

50V2.2

C420

<8.7V> ((8.6V))

D311 UDZSTE175R1B

C221

50V2.2

<2.62V>

OUTB2

VSEL

OUTB1

<2.63V>

C421

<5.6V>

((5.6V))

PLLCE

((2.63V))

VOL

18

((2.63V))

C336

0.01

24689 7 5 3 1

PLLDA

<2.61V>

((2.62V))

2425

VOL IN2

VOL

IN1

19

<2.61V>

((2.62V))

C309

10V220

PLLCLK

<2.63V>

VOL

OUT2

OUT1

<2.63V>

16V10

C422

R342

CN303

NC

C222

16V10

((2.63V))

23

20

((2.63V))

390

<0V>

GND

VCC

<5.24V>

ASP_CLK

2.2K

R304

<0V>

((0V))

22

CLOCK

DATA

21

<0V>

((5.25V))

2.2K

R305

((0V))