background image

1

A

2

3

4

5

6

7

8

9

10

B

C

D

E

F

G

11

12

13

14

15

16

17

18

19

H

I

J

K

L

Fig. 8-2-1

20

21

PLAY / EE  AUDIO

REC  AUDIO

PLAY  VIDEO

REC  VIDEO

EARTH  PLATE

1SS131

1SS176

MTZJ5.1A

MTZJ22B  OR
RD22ESAB2

1R1.0

0.1µ275V

3300p250V

2SC1741SQ

125V500mA

D1NL20U  OR  AG01

D1NL20U  OR  AG01

D1NL20U

OR

AG01

D1NL20U

OR

AG01

TPW3453AD

6800p500V

TMLH2X006A

SSSF12

2SC2412KQ

OR

2SC1623–L5

µPC1854AGT

1 / 2W  2R2

10K

22µ16V

MTZ5.6C

2SC2236Y

270

2SC2236–Y

2SC2236Y

MTZ3.9A

22µ10V

620

22µ10V

10K

1

2

3

4

5

6

7

8

9 10 11

1

2

3

4

5

6

7

8

9

10 11

AUDIO  GND

AUDIO  GND

LINE–2  R  IN

LINE–2  L  IN

N.C.

DIGITAL  GND

POWER  SW

EJECT  SW

SY2 / L2

SC2

S2  IN

AUDIO  GND

AUDIO  GND

LINE–2  R  IN

LINE–2  L  IN

DIGITAL  GND

N.C.

SY2 / L2

SC2

S2  IN

POWER  SW

EJECT  SW

PK98

23365361

LINE–2  R  IN

LINE–2  L  IN

FRONT

FRONT

FRONT

R  CH  IN

L  CH  IN

V  IN

FCB

TO  KDB  (JSB)

P970

70165328

W970

70175720

W970A

23902362

4K7  (x3)

220  (x3)

10p

22p

KETSU

KETSU

82uH

150R

390R

1K3

820R

20K

100K

50K

KETSU

0R

0R

JUMPER

100R

330R

360p

1k6

KETSU

P201

P202

P203

P204

P205

(#54)SCL1

(#53)SDA1

TUNER  VIDEO  OUT

AC120V

50 / 60Hz

EVER  14V

EVER  5V

F1(+)

EVER  +37V

–26V(Vkk)

F2(–)

(4.6V)

MB  24V

MG2

CAP  VCC

MOTOR  GND

GND

CFGB

CAP  REF

CFGA

CAP  F / R

CAP  LIMITER

CAP  ERROR

EVER  5V

1

2

3

4

5

6

7

8

9

10

1

2

3

Lb

Lc

La

MG1

MG1

MG1

MG1

MG1

MG1

MG1

1

2

3

IN

GND

OUT

CAPSTAN

CTL  &  CFG  AMP  IC

LOADING  DRIVE  IC

CAM  SW

TAKE  UP  REEL

CYLINDER  DRIVE    IC

SUPLY  REEL

END  SENSOR

STATOR

HALL  SENSOR

RESET  IC

ON / OFF5V

E5V

K

A

E

C

K

A

E

C

MAIN  MICROCOMPUTER

POW  ON / OFF  SIG

ON / OFF  5V

ON / OFF+9V

REC  NORM

PB  NORM

A–SWP

HIFI  DET(#85)

HIFI  ENV(#59)

PB  FM

REC  FM

RF  OUT

IIC  DATA(52)

IIC  CLOCK(53)

ON / OFF5V

L1(L)

L1(R)

TUNER(L)

TUNER(R)

EVER5V

S  IN  1

S–VHS  I / O

SYNC  DET

EDIT

1 / 6W

1 / 6W

1 / 6W

S–VHS  SW

22µ

22µ

BU  5V

TV / VCR

ON / OFF  9V

EVER  5.6V

EVER  +37V

ON–OFF  9V

EVER  +37V

PBBOARD  MAIN

PST7025

HEAT  SINK

ENJI

1 / 6w

1 / 6w

VIDEO  MODULE

LOAD  FWD

LOAD  REW

BLM21A601S

1000p250V

1000p250V

1000p250V

32kHz

220µ200V

HIFI  SWP

ON / OFF  9V

OSD  REST

OSD  STB

OSD  C

OSD  Y

PH(HD)

PV / PH

OSD  CLK

OSD  DATA

C  IN

Y  OUT

C  OUT

Y  IN

ON / OFF  9V

SP)L)

EDIT

COLOR  ROTARY

EVER  6.6V

SVHS  I / O

EX

Fsc

1

2

3

4

5

6

7

8

ON / OFF  5V

PH(HD)

A.MUTE

REC  AFM

PB  AFM

PB  LIN  AUDIO

REC  LIN  AUDIO

ON / OFF  5V

LINE  OUT  R

LINE  OUT  L

ON / OFF  5V

1

2

3

4

5

6

7

8

FE  HEAD

OVER  REC

SYNC  DET / MUTE

VA  SWP

HASW

ENV  COMP

ENV  DET

IIC  DATA

IIC  CLK

RF  SW

COLOR  ROTARY

RF  SW

RF  SW

COLOR  ROTARY

1

2

3

4

5

PB  AFM

CTL

V / A  SWP

GND

PB  FM

ON / OFF5V

ACK  #20

PV / PH

OSD  CLK

OSD  DATA

OSD  STB

OSD  REST

LINE  OUT  R

LINE  OUT  L

HIFI  DET

REC  H

TAPE

CARRIER  REC

22µ

22µ

EVER  11V

EVER  9V

BLM21A601S

LINE  OUT  L

LINE  OUT  R

GND

GND

GND

GND

GND

GND

1

2

3

4

5

6

7

8

9 10

FE  HEAD

FE  GND

CTL  I / O

C.BIAS

GND

1

2

3

4

5

FULL

FULL(L)

1

2

3

4

5

6

7

8

TV / VCR

TUNER  CLK

TUNER  DATA

ON / OFF  9V

UZ33BSD

OR RD33ESAB4

(1 / 6W)

(1 / 6W)

CH  SW

(3CH)

(4CH)

3  IN  1  TUNER

ANT  IN

ANT  OUT

(                )

(OS)

AFT

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

I2C  SEL

H  SEL

XOUT

SEN

HIN / XIN

SMS

VIDEO

CSYNC

LPF

RREF

VSS

VDD

VIN

SDA

SCK

SDO

17

18

NC

NC

HSYNC

SCL1

SDA1

ON / OFF5V

RF  VIDEO  IN

RF  AUDIO  IN

AFT

AFT

A  MUTE

LINE  1  IN  L

LINE  1  IN  R

R  IN

L  IN

LINE  1  IN  L

LINE  1  IN  R

EDS  IC

EDS  IC

TUNER  VIDEO  OUT

HSYNC

INSEL  1

INSEL  1

INSEL  2

REAR

REAR

INSEL  1

FRONT

REAR

AFT

HSYNC

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

IN1A

GND1

IN2B

V+

CTL2

IN2A

GND3 IN3B

IN1B

CTL1

OUT1 GND2

OUT2 OUT3

CTL3 IN3A

YCS  6

Sin1

Sin2

CSYNC

OSD  IN  Y

OSD  IN  C

PB  L

REC  C

C  SW

Y  SW

PB  C

UU01

KETSU

YCS6

R311

KETSU

0R

IC301

KETSU

TC90A45F

REC  Y / Y+C

REC  Y / Y+C

REC  C

FRONT

OSD  IN  C

OSD  IN  Y

COLOR  KILLER

COLOR  KILLER

REC  C

SP / LP / EP

Y  SW

C  SW

C  SW

V  IN

V  OUT

L  OUT

R  OUT

SP / LP / EP

C

Y

C

Y

KETSU

EJECT  SW

POWER  SW

N.C.

N.C.

N.C.

N.C.

F+

+5.6V

F–

FIP  RESET

REC–INHIBIT

GND

+5V

FIP  CS

RMT–IN

SIN

ECO

SOUT

RMT–OUT

SCLK

VKK

PB  L

PB  L

PB  L

ON / OFF  9V

R306

1K5

KETSU

EVER  5V

EVER  6.6V

R307

2K4

JP327

RJ009

JP222

JP266

JP301

(12.5)

(12.5)

(10)

KETSU

KETSU

KETSU

0R

KETSU

KETSU

KETSU

(5)

CSYNC

PB  L

R358

L305

C303

KETSU

0R

KETSU

KETSU

2µ2

68p

KETSU

C316

C328

18p

8p

22p

10p

JP248

JP249

KETSU

KETSU

(10)

(7.5)

JP291

KETSU

(10)

ON / OFF  9V

ON / OFF  9V

R328

10K

50K

R351

1K2

1K3

R356

R336

R320

R350

20K

150R

1K2

820R

910R

KETSU

390R

1K

R357

Q316

KETSU

100K

2SC2712Y

KETSU

R302

560R

390R

R349

KETSU

0R

(5)

KETSU

KETSU

KETSU

KETSU

R355

1k5

1k6

C341

R338

R347

220p

360p

100R

330R

910R

330R

KETSU

TMP93CU76F

P702

C923

1µ50V

C922

1µ50V

R925

13K

R924

13K

R926
10K

R927

10K

C921

0.47µ50V

C920

0.47µ50V

CF91
1µ50V

CF90

1µ50V

RF90

27K

RF91

27K

RF93

33K

RF92

33K

R921
5K6

R920

5k6

R923

2K7

R922

2k7

IC920

TA1246AF

C963
330µ6.3V

C936

M0.01µ,0.01µ

C928

10µ16V

C930 M0.01µ,0.01µ

C932

10µ16V

C934

10µ16V

C937

M0.01µ,0.01µ

C939

22µ16V

C938

22µ16V

C968

F0.1µ

C966

B0.056µ

C935
10µ16V

C931

M0.01µ,0.01µ

C933

10µ16V

C929

10µ16V

C964

F0.1µ

R928

33K

R929

15K

C971
22µ16V

C941

B1200p

C942

100µ16V

L741

KETSU

C741
KETSU

V001

C801

F801

125V1.6A

P801

C802

C803

C804

C805

Q802

R804
2R390

C807

0.047µ

C809

0.027µ

R809

6.8k

R802

1M

C808

0.012µ

R807

100

D821

RU2YX

C822

220µ25V

C823

2200µ10V

L821

L822

C821
1000µ25V

C824

220µ10V

R808

2K

R821
3K6G

R822

750G

T801

TRF3192

D805

ERA15–02

D802

ERA15–02

D803

ERA15–02

D804

ERA15–02

T802

Q804

ON3131–RTH

C811

RF825

D825

D826

D838

RU2YX

C825

330µ10V

C826
33µ50V

C833

820µ16V

R823

270

D830

C843

22µ10V

D820
EL1Z

C832

470µ35V

C837

100µ35V

L825

KETSU

D812

ERA15–02

D813

MTZJ5.1A,RD5.1ESAB1

F802

Q825

µPC1093J

X502

X501

16MHz

C509

CH10p

C510

CH10p

C508

CH8p

C507

CH8p

P502

Z601

GP1S566

Z602

GP1S566

Q602

PT493F

IC505

W503

IC503

TB6515AP

QH11

2SA1020Y

Z661 DMV3

Z662

HW300B(F)–15

IC501

IC502

TA7291S

D503

S610

LY88

QH12

RN1402

IC506

LA7123

C536
B0.01µ

C535

B0.01µ

C537

B0.01µ

C533
B0.1µ

C532
B0.1µ

C531

B0.1µ

R536

1k

C544

B0.01µ

R534 30k

R535 47k

R533

22k

C543

B0.1µ

C526

KETSU

R526

10k

R525

10k

DH11

ERA15–02

RH14

10k

RH13
10k

RH12

2.7k

RH11

2.7k

CH11

47µ6.3V

R522

200

R593

4.7k

C571
F0.01µ

C572

F0.01µ

R579

1k

R580

1k

R581

1k

R517

10k

R518

12k

C524

B1000p

C523

B1000p

R515

47k

C518
1µ50V

C520
1µ50V

R508
3.3k

R510
1.8k

C521

SL100p

C519
B1µ

R511

56k

R505

220k

R521

1

S601

R574

4.7k

C542

B0.01µ

R504

470

C512

22µ16V

C513
B1000p

R506

100k

C547

B0.01µ

C548

22µ35V

R548

4K7

R549

4K7

R578

22k

R572

22k

R577

22k

R523
4.7k

R524

4.7k

R571

30k

C528

B0.01µ

R527 2.2k

R528 2.2k

R529 2.2k

R596

10k

R597

10k

R598

10k

R501

KETSU

R503 330

C515

KETSU

R512

220k

R513 220k

C545

47µ16V

R519

56k

R520 56k

C529
B0.01

C530

B0.01

R514

47k

R516

0

R530

4.7k

R502

330

R507

4.7k

C514

47µ16V

C501

100µ6.3V

C502

KETSU

R547

1k

R546

1k

C534

10µ25V

C504

47µ6.3V

R592

4.7k

R537

10K

Z662A

HOLD  HALLSEN

D601A

HOLD  TAPELED

Q601A

HOLD  TAPESEN

HOLD  TAPESEN

R803

2W  47K

C813

1KV  180p

R545

KETSU

R544

KETSU

Q801

2SK2185

D841

MTZJ10B,RD10ESAB2

C841

22µ16V

C969
B0.01µ

UZ11

C592
B0.01

C563

KETSU

C562
KETSU

R570

10k

C561 47µ6.3V

R568

2.2k

R569

2.2k

Q801A

Q801B

C527

B0.01

R841

4.7K

Q842

2SC2713GR

F801A

C810

TF0.12µ

D808

1SS136

D809

D1NL20U

D814

1SS136

R806

1k

C541

B0.01

C540
KETSU

Q840

2SA1163GR

R840
22K

Q831

2SC3279N

D831

C831

22µ10V

R834
1K

D510

ERA15–02

D506

ERA15–02

D507

ERA15–02

C814

KETSU

D836
RK46

R335

1K2

R334

2K2

R333

1K5

RF10

10k

C845
22µ10V

C820

RE10

1K

Q940

RN2404

R940
1K

R941

1K

HU01

H301

70121843

CF04

B0.01

CF03
F0.01

CF01
KETSU

CF05

B0.01

CF02
B0.01

C336

F0.01

Q803

2SC2458Y

R810

1R0.27

R814

100

R813

KETSU

CE61
1000µ10V

R583 1k

LY89

C943

B2200p

732

R741

390R

C281

KETSU

C511

B1000p

R531

4.7k

R532

4.7k

C539

KETSU

R599
2.2k

W101

70175754

D832

1SS131

CF40

KETSU

CF39
B0.01

CF37

10µ16V

CF38

B0.01

CF36

10µ16V

CL16

10µ16V

CL17

F0.01

RL13

82K

CL18

CH560p

RL12

100KF

RL14

1K

CL19

B3900p

CL20

3.3µ50V

RL22
1K5

RL19

2K2

CL21

1µ50V

RL15
330K

CL22

CH330p

RL16

1K

RL24
2K2

RL23

10K

CL24
330p

RL17
470R

RL18

100R

RL21
2K2

RL20

10K

CL23

220P

P990

CF11

10µ16V

CF12

10µ16V

RF21

4K7

CF13

B0.01

CF14

KETSU

RF12

75R

RF11

75R

CF27

B0.01

CF29
B0.01

CF30

KETSU

RF15

75R

CF28

B0.01

JP254

(10)

RF60

100R

RF62

100R

RF65
100R

RF66

100R

P506

RF49

100R

C337
B0.01

C338
B0.01

C339
B0.01

RL01 100R

RL02
100R

CL05

B1000p

CL06

B1000p

CL01

10µ16V

CL02
B0.01

CL15

10µ16V

CL14

B0.01

CL12
F0.1

RL11

1K

CL13

F0.47

CL09
180p

RL10

820R

CL10
B0.01

DF15

KETSU

CF35

1000µ10V

CF34

1000µ10V

CF42

B0.022

DF17

KETSU

CL04

0.47µ50V

CL03

B0.01

R323

22K

R324

3K

R316
560R

R102

1k

R107

1k

R101
100R

C516

SL470p

C517

3.3µ50V

C506
B0.01

RX01

4.7k

R826

L823

R827

680

C834

220µ16V

C828

TF0.022

D828

D829

C827

33µ50V

D839
RU2YX

C835

820µ16V

L824

C836

220µ16V

833

R281
KETSU

R280

KETSU

W501

70175907

W301A

W301A

RY95 0

RY94 0

RY96

0

W301

W501A

23902356

RL30

100R

RL31
KETSU

CL26

KETSU

RL32

1K5

RL28
1K5

RL29

1K

RL25
1K5

RL27

100R

CL25
KETSU

RL26

KETSU

RL99

KETSU

RL98

KETSU

RL33
1K5

QL27
RN2404

DF24

1SS131

DF25

1SS131

DF19

1SS131

DF31

1SS131

DF29

1SS131

DF18

1SS131

DF30

1SS131

DF28

1SS131

DF16

KETSU

RL34

KETSU

RL35

KETSU

R282
100R

R283
100R

C280
470p

R538

10k

R539

10k

R543

10k

R541

10k

R540

10k

R567

1k

Q870

R871

D870

R870

L001

PL–4.7µ

C001

10µ10V

D001

C004

47µ50V

C003

4.7µ16V

R003

27K

L002

PL–10µ

C005

10µ16V

R005

3K9

R004

3K9

H001

R002

1K

R001

1KF

S001

23344082

Q001

R006

4K7

R007

10K

JP019

(12.5)

C006

0.022µ

C002

10µ10V

D002

KETSU

R010

0R

C007

KETSU

CD11

100n

CD09

47n

CD10

0.47µ

CD07

2µ2

RD04

68K

CD08

0.1µ

CD05

CD06

4µ7

RD01

1K

RD03

16K

RD02

10K

CD01

10n

CD04

0.1µ

CD03

22µ

CD02

47µ

CD18

CD17

CD16

10µ

CD15

3µ3

RD07

16K6

RD06

5K1

CD14

RD05

3K

CD13

CD12

RD08

0R

JP011

(5)

R008

KETSU

R009

KETSU

ICD01

Q401

2SC2712Y

L401

33µ

R407

10K

R401

1K

R402

470R

R403
470R

R404

22K

R405

22K

C404

100n

C405

6n8

C406

33n

R406

6K8

C402

100n

C403

4µ7

C407

100n

C408

100n

L402

10µ

C401

Q841

RF841

R842

C842

Q843

D843

R844

Q844

D844

C846

R846

JP001

(7.5)

JP008

(5)

JP012

(20)

JP014

(20)

JP401

(20)

JP402

(10)

C844

R845

Q850

2SC2236Y

Q851

R2001

R850

10K

R962
820R

R960
820R

RF18

75R

RF19

75R

IC321

MM1232XF

L302

100µ

C308

100µ50V

C307

680n

R302
560R

C301

10n

C302 10n

C306

10n

C309

10n

R311

0R

C310

180p

R303

820R

C311

10n

L307
100µ

C318

10µ50V

C312

10n

C317

10n

C319

10n

R308

0R

R309

1K2

C315

3p

C316

18p

R307

2K4

L304

47µ

R304

1K

R305

0R

C313

3p

L303

47µ

C314

33p

R306

1K5

R313

3K3

C320

330n

R312
470R

RJ009

KETSU

R310

0R

C323

10n

CL07

10n

C332

47µ16V

R315

1K5

C327

10n

C326

C329

10µ

C330

10n

C331

10n

RJ001

0R

JP218

JP220

JP270

(7.5)

JP233

(5)

JP275

(5)

JP269

(12.5)

JP236

(10)

JP239

(10)

JP307

(12.5)

JP222

(12.5)

JP205

(10)

JP256

(5)

JP276

(20)

JP266

(12.5)

JP301

(10)

JP267

(10)

JP302

(15)

RJ007

0R

JP232

(12.5)

JP228

(5)

JP253

(12.5)

JP235

(10)

L331

0R

JP303

(20)

JP354

(20)

JP355

(20)

JP333

(10)

JP249

KETSU

JP248

KETSU

JP943

(12.5)

JP944

(12.5)

JP340

JP341

(12.5)

JP405

(12.5)

JP311

(20)

JP273

(12.5)

RF17

75R

JP914

(7.5)

JP915

(7.5)

JP403

(20)

JP404

(7.5)

JP022

(5)

JP016

(5)

JP007

(20)

JP931

(12.5)

JP912

(12.5)

JP926

(5)

JP018

(15)

JP917

(20)

JP299

(20)

JP288

(5)

JP633

JP616

JP315

(15)

JP329

(20)

JP348

(12.5)

JP913

(7.5)

JP911

(12.5)

JP306

(17.5)

JP350

(12.5)

JP632

JP339

(20)

JP540

JP586

JP663

JP549

JP255
(10)

JP637

JP316

(7.5)

JP332

(5)

JP326

(20)

JP320

(12.5)

JP319

(12.5)

JP334

(5)

JP687

JP224

(15)

JP221

(5)

JP304

(7.5)

JP280

(5)

JP342

(7.5)

JP360

(7.5)

JP335

(5)

JP620

JP550

JP618

JP568

JP641

JP919

(12.5)

JP506

JP347

(15)

JP352

(20)

JP918

(15)

JP513

(12.5)

JP939

(17.5)

JP611

(12.5)

C970

10µ16V

PX04

C334

47µ

R314
100R

R317

100R

R321

1K5

R318

KETSU

R320

1K

R319

1K

JPW99

(12.5)

JP317

(20)

JP261

(12.5)

JP265

(7.5)

JP234

(15)

JP268

(10)

C340

C333
330n

R322

1K5

R326

470R

C335

10n

R325
240R

R327

2K2

R328

10K

R329

1K

R330

1K

R331

0R

R332

KETSU

R550

KETSU

R551

KETSU

R552

KETSU

R553

KETSU

R554

KETSU

R555
4.7K

R556

KETSU

R557

KETSU

R558

KETSU

RJ004

0R

C322

R336
390R

C321

100p

P999

70163100

P998

70163114

PK99

70163113

RK99

75

RK98

75

CK99

0.022

SK22

POWER

SK21

EJECT

WK11

70175861

R339

2K

R341

2K2

R340

1K2

RJ005

0R

JP325

(7.5)

JP294

(15)

JP296

(5)

JP225

(7.5)

JP289
(7.5)

JP285

(10)

JP286

(7.5)

JP279

(10)

JP214

(10)

JP216

(7.5)

JP291

(10)

JP207

(10)

JP327

KETSU

JP263

(12.5)

JP323

(15)

JP337

(20)

JPF05

(15)

JP005

(10)

JPF04

(15)

JP924

(10)

JP923

(10)

C965
100µ

JP020

(5)

RY03
RY04

RY05

JP300

(10)

JP314

(20)

JP328

(12.5)

JP310

(20)

C806

630V  33nF

L801
ZBF253D–02

D806
RU1P

R801

1 / 2W  3M3

D810

MTZ16A

R811
180K

C829
35V  10µ

R824
1.8K

Q850

2SC3279N

D834

ERA15–02

Q851

2SC3852

D833

MTZJ7.5A

C838

10V  22µ

R850
1.5K

RY08

RY07

RY06

C344

C342

R342

1K

C343

47p

R343
470K

R344

1K5

JP290

(5)

C305

3p

C328

8p

R345

2K2

JP231

(17.5)

L305

2µ2

JP260

(7.5)

JP247

(10)

R357
KETSU

R356
KETSU

R355

1K5

R354

1K5

R353

3K3

C346

10n

R352

3K3

C345

R350

910R

R351

1K2

R359

KETSU

R349

KETSU

C341

220p

R347

910R

L306

22µ

R338

330R

R348

2k2

RJ006
KETSU

RJ002
KETSU

C304

36p

C324

12p

L301

27µ

R301

1k

C303

68p

R337

KETSU

R358

0R

R346

KETSU

C349
100n

C348
100n

C347

100n

IC507

KIA7045AP

R585

68K

JPY07

JP271

(17.5)

RJ008

0R

JP206

(15)

JP023

(20)

JP024

(15)

JP025

(7.5)

R930

KETSU

LX03

CX03

470uF

R360

220R

C325

0.47µ16V

R847
1.2K

R848
100K

F803

1.5A  125V

RF840

1 / 4W  4R7

RF850

1 / 2W  1R5

C815

2.2µ200V

R815

2M

C812
569P

R812

100

D850

RL201

R851

1 / 2W  1R0

RY10

RY11

RJ585

0R

QL26

2SA1162Y

BUFFER

QL30

RN2404
SWITCH

QL29

2SA1162Y

BUFFER

QL31

2SC2712Y

BUFFER

QL32

2SC2712Y

BUFFER

QL23

2SC2712Y

LPF

QL24

2SA1162Y AMP

QL25

2SA1162Y

AMP

ICL03

MM1108XFF

AFC  SYNC  SEPARATOR

TC90A25F–412

ICL01

CHARACTER  GENERATOR

Q307

2SC2712Y

MIXER

2SA1162Y

Q306

2SA1162Y

Q308

MIXER

BUFFER

ICF05

MM1186XF
3  DRIVER

Q314

RN1402
SWITCH

IC323

MM1226XF

2  IN  1  OUT  DRIVER

Q315

RN1402
SWITCH

Q313

2SA1162Y

BUFFER

Q304

2SC2712Y

BUFFER

Q310

2SC2712Y

AMP

Q311

2SC2712Y

AMP

(Not  Used)

IC324

MM1041XM

6dB  AMPRIFIER  VIDEO  IC

Q309

2SA1162Y

LPF

IC320

TC90A45F

DIGITAL  COMB  IC

Q302

2SC2712Y

LPF

Q301

2SC2712Y

LPF

Q332

2SA1162Y

ATT

Q331

2SA1162Y

SWITCH

Q330

RN1403
SWITCH

Q305

2SA1162Y

ATT

Q303

2SC2712Y

BUFFER

IC322

BA7654F

2  IN  1  OUT

VIDEO  SWITCH

IC326

MM1031XM

Q318

2SC2712Y

AMP

Q317

2SC2712Y

AMP

2SC2712Y

Q316

KETSU

SWITCH

IC325

MM1031XM

SYNC  SEPARATOR

Q312

2SA1162Y

SEPARATOR

37

35

39

38 40 41

36

2

4

3

1

Q512

2SA1162Y

SWITCH

Q511

2SA1162Y

SWITCH

Q510

RN1404
SWITCH

START  SENSOR

PHOTO–

TRANSISTOR

PT493F

Q601

[4.8]
(4.8)

4

0

EEPROM

IC504

CAT24C16P,NM24C16EN

R509
560k

10µ16V

C522

25 26 27

18

30

19

28

29

Q516

RN1402
SWITCH

Q515

2SA1020Y

SWITCH

SWITCH

2SC2412KQ

2SC2712Y

Q581

23

24

31

(a)

(b)

[0.8]
(0.8)

0.8

150

R582

D601

GL451V

[0](0)0

0

ICF06

MM1111XS

AUDIO / VIDEO  SWITCH

ICF02

MM1115XS

2  IN  1  OUT

VIDEO  SWITCH

ICF01

BA7653AF

VIDEO

SWITCH

IC402
Z86131

EDS

32

(b)

(a)

17

22

(b)

21

(a)

20

Q602A

PHOTO–

TRANSISTOR

[4.8]
(4.7)

4.7

0

34

(a)

(b)

33

33

AUDIO  HiFi

PROCESSOR

42

43

45

46

44

C926

0.47µ50V

47

NOTE  :  The  meaning  of  "KETSU"  is  "Not  used".

[V]  :  EE

(V)  :  PLAY

V    :  REC

MODE

VIDEO

ICL01

LOCATION

PLAY

EE

PIN

3.16

5.04

2.08

1.82

2.52

2.08

0

0

0

0.52

5.04

2.96

3.76

0

5.04

0

0.8

0

1.9

0

3.16

5

1.84

1.8

2.52

2.06

0

0

0

0.58

5.04

2.96

3.58

0

4.98

0

0.52

0

1.9

0

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

1

2

3

4

5

6

7

8

5.04

1.94

2.06

2.04

0

2.66

5.04

4.6

5.02

1.94

2.08

2.14

0

2.96

4.96

4.8

ICL03

8

7

6

5

4

3

2

1

ICF01

1.72

0

1.69

0

2.12

5.08

1.04

0

1.72

0

1.72

0

2.12

5.1

1.04

0

1

2

3

4

5

6

7

8

ICF02

8

7

6

5

4

3

2

1

ICF02

0

5.09

0.72

0

1.66

4.04

1.48

0

1.42

1.42

2.52

2.52

0

1.42

1.42

5

0

5.1

0.76

0

1.86

4.06

1.5

0

2.3

2.3

2.54

2.54

0

2.28

2.28

5.04

PIN

EE

PLAY

LOCATION

VIDEO

MODE

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

2.78

4.98

2.06

0

2.04

0.72

0

1.42

1.44

0

2.78

0

5.04

2.98

0

2.78

2.8

0.38

2.08

0

2.24

3.55

0

1.8

2.04

0

2.8

0

5.04

3

0

2.78

IC321

8

7

6

5

4

3

2

1

ICL03

1.61

4.88

1.32

0

0

5.04

0.46

0.16

2.44

4.2

1.78

0

0

5.04

0.76

0

1

2

3

4

5

6

7

8

IC323

1.38

3.7

1.28

0

0

4.72

1.4

0

1.4

3.96

0.74

0

0

4.98

2.24

0

4

3

2

1

IC324

2

5.04

2.68

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

HU01

0

5.02

0.28

3.28

2.98

0

2.08

0

2.68

0.44

4.9

4.82

0

3.74

0

5.12

0.74

3.28

2.98

0

2.64

0

2.68

0.38

4.94

4.92

0

0.42

PIN

EE

PLAY

LOCATION

VIDEO

MODE

1

2

3

4

5

6

7

8

P201

0

2.34

2.34

1.84

0.34

3.84

0

6.52

0

2.52

2.44

1.98

0.34

0.38

0

6.6

1

2

3

4

5

6

7

8

9

10

P202

1.38

0

1.38

0

0

0

0.98

0

4.84

4.84

1.88

0

1.48

0

0

0

2.22

0

5.02

5

10

9

8

7

6

5

4

3

2

1

P203

0

0

4.24

0

2.44

0

1.38

0

4.24

0

0

0

4.46

2.52

0

0.76

0

4.48

0

1

2

3

4

5

6

7

8

9

10

P204

0

2.35

0

0

0.4

0

0

2.54

0

0

0

2.5

0

0

2.76

0

0

2.54

0

0

10

9

8

7

6

5

4

3

2

1

P205

4.84

0

0

0

0.84

4.84

3.04

0

8.69

0

5.08

0

0

0

0.72

5.08

5

0

8.88

0

H301

E

B

C

C

B

E

C

B

E

C

B

E

C

B

E

Q510

Q511

Q512

Q515

Q516

MODE

LOCATION

PIN

EE

PLAY

REC

0

0

5

2.5

2

2.5

2.5

5

2.5

14

14

12.9

0

0

14

0

0

5

2.8

5

2.5

14

14

11.7

0

0

14

0

0

5

14

14

11.7

0

0

14

LOCATION  No.

F801

F802

F803

C801

C804

C802

C803

C811

Q804

P801

PART  No.

23144559

23144548

23144516

24082926B

70414088D

24092581D

24092581D

24092581D

23904054

70175915

PART  No.

LOCATION  No.

R801

R810

R826

R851

RF840

RF841

RF850

T801

T802

70424086

24322278S

24322109S

70422054

24545479L

24546229L

24546159L

23211661

70213264

CRITICAL / SAFETY  COMPONENTS  LIST

POWER

MODE

STANDBY

EE

PLAY

REC

C825

C826

C834

C837

C827

C822

C836

C824

D834

Q831

Q850

Q840

Q841

Q843

Q851

Q844

+

+

+

+

+

+

+

B

E

E

C

C

B

E

B

E

C

B

E

C

B

E

3.9

4.2

4.3

4.4

–23.2

–30.9

–30.8

–30.9

12.4

11.4

11.6

11.4

27.1

32.5

32.4

32.5

50.4

44.7

44.1

44.1

14.4

14.4

14.4

14.4

11.6

10.3

10.4

10.4

5.7

5.7

5.8

5.8

5

5

5.1

5

5.7

5.7

5

5

5

5

5

5

5.1

5

5

5

44.6

44

44

12.3

10.5

10.6

10.2

9.9

9.9

9.9

9.2

9.2

9.2

5.8

5.8

5.8

5.1

5.1

5.1

11.3

8.8

8.7

8.9

7.3

7.3

7.4

7.4

7

6.7

6.6

6.8

5.7

5

5.2

5.1

4

4

4

3.3

3.3

3.3

LOCATION

0

0

5.6

5.6

0

0

0

0

14

14

0

0

14

14

0

0

10

10

10

10

10

10

0

0

14

14

0

0

1

1

1.4

1.4

0

0

0

0

2.6

2.7

0

0

5.1

5.1

3.2

3.2

0.6

0.6

0.7

0.7

0

0

0

0

4.9

4.9

4.9

4.9

0

0

4.8

4.8

0

0

0

0

4.7

4.8

0

0

4.8

4.8

2.5

2.5

2.5

2.5

4.5

4.5

5

5

2.5

2.5

0

0

2.5

2.5

2.5

2.5

5

5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

0

0

2.5

0

3.2

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

2.4

2.3

2.4

2.3

2.4

2.3

2.4

2.3

2.4

2.5

4.8

3.1

4.8

4.8

5

5

4.8

4.8

4.8

4.8

4.7

4.7

0

0

0

4.8

2.7

2.4

2.3

2.3

2.1

0.7

2.3

4

2.4

2.4

2.4

2.4

2.4

2.4

2.4

2.4

4.8

4.8

2.8

2.8

1

1

4.7

4.7

0

4.7

4.7

4.7

0

0

4.8

4.8

0

0

1.5

1.5

4.7

4.7

2

2

2.3

2.3

5.1

5.1

2.2

2.2

1.9

1.9

5.2

5.2

4.8

4.8

4.9

4.9

0

0

0.8

0.8

0.5

0.5

4.9

4.9

1.2

1.2

1.5

1.5

2.2

2.2

1.9

1.9

4.8

4.8

0

0

4.9

4.9

4.9

4.9

0

4.8

4.9

4.9

4.9

4.9

4.9

4.9

2.3

2.4

4.5

0

2.3

2.4

2.4

2.4

0

0

4.7

4.7

4.4

4.4

1.9

1.9

2.5

2.6

2.8

2.8

4.5

4.5

4.5

9

8

7

6

5

4

3

2

1

IC920

25

30

29

28

27

26

16

15

14

13

12

11

10

22

21

20

19

18

17

23

24

40

41

42

32

31

33

34

35

36

37

38

39

48

47

46

43

44

45

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.4

4.4

4.4

4.5

4.4

4.4

4.4

4.4

4.4

4.4

4.4

4.4

4.4

4.4

4.4

4.4

4.4

4.4

4.4

4.9

4.9

4.9

4.9

4.9

4.9

4.9

4.9

4.9

0.5

0.4

0.5

4.5

4.4

4.5

0.9

0.9

0.9

4.5

4.6

4.5

4.5

0.2

4.5

0.4

0.2

0.4

2.2

0.8

2.2

2

1.4

0

2.1

2.1

2.1

1

0.9

0

2.3

0

0

9

9

9

4.6

4.4

4.4

IC502

1

2

0

3

4

5

6

7

8

9

5.7

0

0

14.1

0

14.1

0

14.1

14.1

14.1

0

14.1

0

0

1.4

9

8

7

6

5

4

3

0

2

1

IC503

10

11

12

13

14

0

0

0

4.9

3.1

0.6

15

16

0.8

IC504

1

2

0

3

4

5

6

7

8

0

4.9

4.9

0

4.8

0

0

4.8

0

3

4.8

2

1

IC505

2.5

16

15

2.5

4.5

5

2.5

2.5

2.5

14

13

12

11

10

IC506

1

2

2.5

3

4

5

6

7

8

9

2.4

0

2.5

2.5

0

2.5

2.5

2.5

2.5

2.5

2.5

5

4.3

2.5

22

21

20

19

18

17

23

24

4.3

2.5

24

23

17

18

19

20

21

22

9

8

7

6

5

4

3

2

IC501

10

11

12

13

14

15

16

1

39

38

37

36

35

34

33

26

27

28

29

30

31

32

45

44

43

42

41

40

46

47

62

61

60

59

58

57

56

49

50

51

52

53

54

55

68

67

66

65

64

63

69

70

25

48

78

100

99

93

94

95

96

97

98

85

84

83

82

81

80

79

86

87

88

89

90

91

92

77

76

71

72

73

74

75

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

2.3

2.3

2.3

2.3

0.2

4.8

4.8

5

4.8

4.8

4.7

4.6

0

2.3

2.3

2.2

2.4

2.4

2.4

2.4

2.4

4.8

1.9

1

4.7

1.5

4.7

4.9

4.8

4.8

1.3

4.7

2

2.4

5.1

2.2

1.9

5.2

4.8

4.9

4.6

0.8

0.4

4.9

1.2

1.5

2.2

1.9

4.8

3

4.9

4.9

4.8

4.9

4.9

4.9

2.4

0

2.4

2.4

4.8

4.7

4.5

1.9

2.7

2.8

9

8

7

6

5

4

3

2

1

IC402

16

15

14

13

12

11

10

18

17

0  TO  5V  PULSE

0

1.0618

0

4.92

1.8666

4.92

1.428

4.93

0

1.456

0

0  TO  5V  PULSE

1.183

PIN

EE

PLAY

LOCATION

SERVO

MODE

REC

REC

MODE

AUDIO

LOCATION

PLAY

EE

PIN

PIN

LOCATION

VIDEO

MODE

REC

PLAY

EE

REC

MODE

SERVO

LOCATION

PLAY

EE

PIN

0

SWITCH

(Not  Used)

5

8

6

9

7

10

13

16

12

15

11 14

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

ADC

CLAMP

PLL

DAC

DAC

COLOR

KILLER

BPF

BPF

DYNAMIC

COMB

BPF

1H  LINE

MEMORY

SYSTEM

CLOCK

FILTER

1 / 2

+

+

+

+

AVss

VRB

VRT

AV

DD

Yout

BIAS2

Cout

BIAS3

VFIL

CKIN

DVss

ADIN

BIAS1

TEST

KILLER

DV

DD

1

2

3

4

VCC

YOUT

6dB

GND

YIN

1

2

3

4

VCC

YOUT

6dB

GND

YIN

1

2

3

4

VCC

COUT

6dB

GND

CIN

1

23

4

5

6

7

8

SW1

IN1

IN2

GND

OUT

L

BIAS

6dB

NC

VCC

NC

H

75R

CLAMP

CLAMP

12

11

10

9

8

7

6

5

4

3

2

1

13

14 15 16 17 18 19 20 21

LOC.

LOC.

W804

W808

W804

W808

DIFFERENTIAL  LIST

(BASE  IS  W804)

MATRIX

OFFSET

ABSORPTION

D / A

1 / 2

VCC

STERO

DEMOD

BLOCK

I / P

ATT

DBX  NOISE

REDUCTION  BLOCK

D / A

SAP

DEMODULATION

BLOCK

ST / SAP

SW

FILTER

ADJ

I2C  BUS

DECODER

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

9V

A  GND

D  GND

L

R

N

SCL

SDA

SPLITER

RF  SW

LPF

HPF

BPF

TUNING

TUNING

TUNING

TUNING

RF  AMP

RF  AMP

IF  AMP

IF  TUNE

IF  AMP

VIDEO

FM  DET

VIDEO

TRAP

RF  MODULATOR

4.5M  OSC

PLL

SAW

RESONATOR

CIRCUIT

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

AUDIO  IN

CH  SW

MB(5V)

CONTROL

VIDEO  IN

IF  OUT

+B(9V)

S.DATA

ADDRESS

S.CLOCK

N.C

AFT

VIDEO  OUT

N.C

ANT  IN

RF  OUT

18

GND

PC44818D

HA11560FP

MIX / OSC

AJ605A

PIF / SIF

LA7578N

4.5MHZ

BPF

LPF

TUNING

TUNING

RF  AMP

AUDIO  OUT

TU(32V)

PB(5V)

2

1

3

4

1

2

3

4

5

6

7

8

9

10

GND

GND

GND

GND

GND

GND

LINE  OUT  R

LINE  OUT  L

1

2

3

4

5

6

7

8

Vcc

NC

G

G

L

H

NC

GND

NC

VCC

GND

ALL  CLAMP

L

H

NC

GND

NC

VCC

GND

ALL  CLAMP

L

H

1

2

3

4

5

6

7

8

9

10

11

12

14

15

16

17

18

19

20

21

22

13

23

1

2

3

4

5

6

7

8

Vcc

G

L

L

H

H

1

2

3

4

5

6

7

8

13

14

15

16

17

18

19

20

A.GND

12

11

9

10

Ped

BIAS

Red

Test

POCTL

Character

Generator

C.D / A

Y.D / A

Vi.D / A

N

S

Th

A.Vcc

Red

Test

BLKCTL

PV

Comp

Green

Test

P1CTL

PV

Comp

P.D.

HD

Gen

1 / N

8fsc

VCO

PV

Comp

Set  Off / ON

HD

PLL

PV

Comp

H

V

P.D.

1 / 2

1 / 4

8fsc

VCO

fsc

8fsc

Res

PV

Sync

Generator

SIO

Logic

RAM

ROM

D.GND

P2CTL

Blue

Test

D.Vcc

1

23

4

5

6

7

8

VCC

VCO

PH– COMP

GND

SYNC SEP

V– SYNC SEP

3V

C

C

Vcc

GND

1

2

3

4

5

6

7

1

2

3

4

5

6

7

8

9

C  IN

GND

Y  OUT

REC  H / INSERT  PB  L

C  OUT

GND

Y  IN

GND

SP(L)

EDIT

H.SYNC  OUT

RENTAL

SVHS  I / O

ET

RF  SW

Fsc

8

9

1

1

1

2

2

2

3

3

3

4

4

4

5

5

5

6

6

6

7

7

7

8

8

8

9

9

GND

TAPE

GND

C.SYNC

COLOR  ROTARY

GND

GND

EVER  6.6V

IIC  CLK

IIC  DATA

ENV  DET

ENV  COMP

VA  SWP

SYNC  DET / MUTE

OVER  REC

ON / OFF  9V

PB  LIN  AUDIO

REC  LIN  AUDIO

AUDIO  MUTE

PB  AFM

REC  AFM

HIFI  SWP

GND

GND

GND

HASW

10

10

10

10

GND

GND

REC  FM

PB  FM

REC  C

CARR  REC

C–SYNC

ED2

IIC  DATA

IIC  CLK

BG

C–OUT

GND

Y–OUT

GND

PB  C  IN

ON / OFF  3.3V

ON / OFF  5V

3.58

EE  Y+C / PB  Y

11

12

13

14

1

3

4

5

6

7

8

9

10

2

VCC2

SHAPE

OUT

IN+

IN–

CTL

SW

I / O–

GND1

CTL

AMP

CTL
AMP
OUT

REC

REMARK

TRAPE

CTL
OUT

CTL

OUT

AMP

SCHM

FGA

FGB

FGB

VREF

VCC1

IN

I / 0+

FGA

FGA

FGA

C  Ref

CR–

CR+

AGC
DET

–IN

GND2

CTL

PG

PG

IN

OUT

IN

OUT

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

GND

CAM  C

CAM  B

CAM  A

1

2

3

4

1

2

3

4

5

6

7

8

9

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

START  SENSOR

REC  INH

POWER

NC

PB  L

NC

NC

NC

SVHS  CASS  DET

NC

HIFI  DET  IN

OVER  REC

TV / VTR

POWER  ON(H)

NC

NC

NC

NC

CARRIER  REC  ON

NC

NC

NC

SVHS  ET

TAPE

EDIT

SYNC  DET

NC

C  SW

GND

DVCC

PV / PH

OSD  FULL  (L)

CAP  PWM

DRUM  PWM

REC(H)  PB  INS(L)

V / A  SW.P

INPUT  SELECT2

VIDEO  SW  P

COLOR  ROTARY

HEAD  AMP  SW

REC  CTL  OUT

PB  CTL  IN

D–FG / PG  IN

REMOTE  IN

C–FGB

C–FGA

CSYNC

COMP

IIC  DATA

IIC  CLOCK

SVHS  I / O

SENSOR  CTL

S–IN2

AFT  IN

HiFi  ENV

VIDEO  ENV

CAM  A

CAM  B

ADGND

ADREF

SU–REEL  FG

TU–REEL  FG

CLK

DGND

X  IN

X  OUT

TEST

RESET

XT  IN

XT  OUT

TEST1

TEST2

TEST3

SP(L)  LP(M)  EP  (H)

SIO  STROBE  (FIP)

OSD  RESET

OSD  STB.

SIO  DATA  IN  (FIP)

SIO  DATA  OUT(FIP)

Y  SW

CAP  Vcc  High

CTL  SCHMITT

CAP  Vcc  Mid

CAP  F / R

ECO  MODE

FORWARD

BACKWARD

LOAD

LOAD

CTL  AMP  GAIN

FIP  RESET

OSD  SEREAL  CLOCK

OSD  SEREAL  DATA

COLOR  KILLER

INPUT  SELECT1

AUDIO  MUTE

SIO  CLK  (FIP)

RMT  OUT

(3STATE) 500mV(H) / 250mV(M) / RETRIG(L)

HIGH  SPEED(H) / NORMAL  SPEED  (L)

IN

END  SENSOR

IN

IN

IN

GOOD

NC

CAM  C

S–IN1

H

1

2

3

4

FGOUT

Vreg

R

La

Lb

Lc

R

Ve

PG

Vdd

H–

H+

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

1

2

7

1

2

3

4

5

6

8

GND

A2

A1

A0

SDA

SCL

TEST

VCC

K

A

E

C

2

1

3

4

1

2

4

5

6

15

16

14

13

12

7

10

11

3

8

9

1

2

3

4

Vref

Amp

GND1

Input

Selector

Moni.

Moni.

22k

2k

18k

5.6k

Peak

Det.

Moni.

Vcc.1

Moni.

EVR(L)

EVR(R)

Hi–Fi

ALC

PNR

PNR

Peak

Det.

20k

LPF

20k

LPF

SW.N.C

Rch

Lch

SW.N.C

VCO

VCO

FM

LPT

FM

LPT

Z.Zap

Drive

Noise  C.

Pulse

Env.

Det.

Output

Select.L

Output

Select.R

Moni.

I / O

Decoder

Ext

Audio

Mute

L

R

B

A

6dB

I  C  Bus

Decoder

Bus

Memory

BPF  Adj.

ALC

Det

GND.2

Hi–Fi

Det.

Vcc.2

AGC

Det.

R  ch

BPF

L  ch

BPF

AGC

AMP.

DOC

Det.

Rch

Lch

P

R

EE / PB(R)

EE / PB(N)

EE / PB(L)

18k

5.6k

2k

P

R

22k

2

L3(L)

L3(R)

L1(L)

L1(R)

TV(L)

TV(R)

L2(L)

L2(R)

C

D

REC  FM

PB  FM

OUT(R)

OUT(L)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

FE  HEAD

GND

2

1

M

8-2.  Main Cricuit Diagram

Divided Circuit Diagram(For Printing) 

Divided Circuit Diagram(For Printing)

Summary of Contents for W-808

Page 1: ... VIDEOCASSETTERECORDER SERVICE MANUAL NC MECHANICAL DECK Jun 2000 Y W 808 General Descriptions Adjustment Procedures Servicing Diagrams Parts List General Descriptions Adjustment Procedures Servicing Diagrams Parts List ...

Page 2: ...s poten tial exists the fault must be located and corrected Repeat the above test with the VCR power plug reversed NEVER RETURN A VCR TO THE CUSTOMER WITHOUT TAKING NECESSARY CORRECTIVE ACTION The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficien...

Page 3: ...SECTION 1 GENERAL DESCRIPTIONS 1 OWNER S MANUAL Top Adjustment Procedures Servicing Diagrams Parts List Top Adjustment Procedures Servicing Diagrams Parts List ...

Page 4: ...Video Cassette Recorder W 808 W 804 OWNER S MANUAL This publication is printed on recycled paper 70971856 PLAY STOP PROG TV POWER EJECT PAUSE STILL REC FF REV ...

Page 5: ...aution Changes or modification made to this equipment not expressly approved by Toshiba Corporation or parties authorized by Toshiba Corporation could void the user s authority to operate the equipment Note to CATV system installer This reminder is provided to call the CATV system installer s attention to Article 820 40 of the NEC that provides guidelines for proper grounding and in particular spe...

Page 6: ... To prevent the VCR from possible damage do not use the unit for at least 2 hours when there is an extreme or sudden change in temperature Copyright It is permissible to record television programs film video tapes and other material only in the event that third party copyrights and other rights are not violated Cassettes marked with S VHS and VHS can be used with this video cassette recorder Howev...

Page 7: ... operation of the product and to protect it from overheating and these openings must not be blocked or covered The openings should never be blocked by placing the product on a bed sofa rug or other similar surface This product should not be placed in a built in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer s instructions have been adhered to 5 He...

Page 8: ...VICE EQUIPMENT GROUNDING CONDUCTORS NEC SECTION 810 21 GROUND CLAMPS POWER SERVICE GROUNDING ELECTRODE SYSTEM NEC ART 250 PART H NEC NATIONAL ELECTRICAL CODE S2898A 10 Outdoor Antenna Grounding If an outside antenna or cable system is connected to the product be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built up static charges Article ...

Page 9: ...e or electric shock Never spill liquid of any kind on the product 15 Accessories Do not place this product on an unstable cart stand tripod bracket or table The product may fall causing serious injury to a child or adult and serious damage to the product Use only with a cart stand tripod bracket or table recommended by the manufacturer or sold with the product Any mounting of the product should fo...

Page 10: ...ning playback Playback 21 Variable Speed Playback 23 Picture Search Still Picture Slow motion Picture Frame Advance Double Speed Playback Jog Dial Operation Shuttle Dial Operation Useful Functions in Tape Operation 25 Counter Function Tape Remaining Time Index Search Function RECORDING Explains recording functions Recording a TV Program 27 Watching a TV program while recording another Recording of...

Page 11: ...STILL 23 LINE IN 2 AUDIO L MONO R jacks LINE IN 2 VIDEO jack 24 CH TRK TV VOL VCR PROG A SELECT REMAIN COUNTER COUNT RESET POWER CH DOWN CH UP DNR TV 2 1 3 5 4 6 8 7 9 0 100 DISPLAY POWER EJECT CANCEL PLAY x2 ENTER STOP SLOW VCR Plus INDEX PAUSE STILL REW FF SP SLP I SELECT TV VCR REC CABLE BOX TIMER VCR SP SLP FF TIMER PLAY x2 100 Number buttons I SELECT A SELECT TV VCR POWER CABLE BOX CH DOWN CA...

Page 12: ...ng indicator REMAIN indicator OFF indicator Hi Fi L R indicators L Left channel R Right channel OFF Normal track VCR Display POWER indicator DT Digital Auto Tracking indicator Channel indicator Tape running direction speed indicator REMAIN VCR SLP L REC TIMER DT CH H M AM PM OFF S R POWER To wall outlet LINE IN 1 VIDEO jack LINE IN 1 AUDIO jacks L R CH selector 3 4 LINE OUT AUDIO jacks L R LINE OU...

Page 13: ...nding on the conditions of use If the remote control does not operate correctly replace all batteries with new ones If the remote control is not to be used for a long period of time remove the batteries to avoid possible damage from battery corrosion Caring for the remote control Do not expose the remote sensor of the VCR to a strong light source such as direct sunlight or illumination especially ...

Page 14: ...Setting the VCR Output Channel When the VCR is connected in this way the VCR sends the output signals to channel 3 or 4 on your TV Set the output channel selector CH selector of the VCR to 3 or 4 whichever is vacant in your area VHF UHF combination antenna VHF antenna only UHF antenna only Antenna splitter not supplied 1 2 Connections Before you use this VCR it is necessary to connect it to your T...

Page 15: ...atch an unscrambled channel while recording it record an unscrambled channel while watching another scrambled or unscrambled You will need to set TV channel to the output channel of the cable box turn on the cable box and select cable channel 3 or 4 according to the output channel of the VCR to record a channel while watching another press TV VCR on the remote control to turn off the VCR indicator...

Page 16: ... of the cable box This set up will enable you to watch an unscrambled or scrambled channel while recording it record an unscrambled channel while watching another unscrambled channel only when you connect a cable compatible TV A B switch A record and watch an unscrambled channel which comes bypassing the cable box A B switch B record and watch a scrambled or unscrambled channel coming through the ...

Page 17: ...ls and clock when power is first connected to the VCR Preparation Turn on the TV and select the video channel 3 or 4 or the video input mode if you made the Audio Video connection page 11 Press I SELECT so that the channel number will appear if L1 or L2 is displayed in the VCR display Press VCR to set the remote control operating the VCR Tuning in progress Auto Set Up completed VCR display Notes I...

Page 18: ...guage selection must be set first when the VCR is first plugged in or after it encounters a power failure You can also easily make necessary settings using the on screen displays Preparation Turn on the TV and select the video channel 3 or 4 or the video input mode if you made the Audio Video connection page 11 Press VCR to set the remote control operating the VCR PROG SET UP E E nGL S I H FRAnÇA ...

Page 19: ...to go back to screen 1 of SET UP page To exit press PROG With DnR On selected see page 21 move down here to obtain a FInE or SOFT playback picture For W 808 only Setting to FInE will give a normal picture with DNR effect Setting to SOFT will give a softer picture Page 28 Page 29 With On set the reception from Antenna is improved with less background noise For W 808 only With On set the reception f...

Page 20: ...l carrying the clock data If AUTO CLOCK SET is unsuccessful set the time and date through the MANU clock set menu selection 10 Press PROG Now the clock starts 11 Press PROG to exit PROG ENTER AM SUMME ME R T I 57 9 1 0 00 SA 1 nE ZO H C T I ME TE DA R A E Y T I ME CLOCK SET E D n AUTO AUTO AUTO AUTO EAS I n TERn 2 SET UP PRESET PROGRAM PROG CLOCK S CH MEMORY CABLE B GU I DE H C OX DSS ET ENTER E D...

Page 21: ...nnels received via the antenna CATV To store channels received via the incoming cable 5 Select AUTO SCAN using PLAY x2 or STOP and press FF to set to ON The VCR starts scanning and the channels are stored in the VCR in ascending order When the scanning is finished the screen automatically returns 6 Press PROG to exit PREPARATION Storing Channels on the VCR This section is required if you receive o...

Page 22: ...r buttons To enter digits of the channel number For one digit number enter 0 before For more than 100 number first press 100 Each number button needs to be pressed within 2 seconds CH TRK To shift up or down the stored channel numbers Channel reference chart Number on the VCR Corresponding channel number TV CATV STD HRC IRC 1 2 3 4 5 6 7 8 9 2 3 4 5 6 7 8 9 1 A 8 2 3 4 5 A 7 6 A 6 7 8 9 10 11 12 1...

Page 23: ...This may result in injury or damage Take special care with children to avoid accidents Precautions when using video cassettes Video cassettes have a safety tab to prevent accidental erasure If the tab has already been removed recording cannot be performed To prevent accidental erasure Remove this safety tab with a screwdriver To record again Cover the tab hole with adhesive tape Avoid exposing cas...

Page 24: ... gives the best possible color Thanks to this circuit color distortion is reduced and a sharp picture is played back Press DNR repeatedly to select the following DnR On Usually set to On The DnR On will appear on the TV screen and you can view the picture with less noise DnR OFF This function will not work Notes The DNR playback is available only in the playback mode Depending on the recorded pict...

Page 25: ... SELECT REMAIN COUNTER COUNT RESET POWER CH DOWN CH UP DNR 2 1 3 5 4 6 8 7 9 0 100 VCR Plus REW FF PLAY x2 STOP ENTER FF STOP REW PLAY x2 S VHS ET Playback 1 Load a cassette recorded in S VHS ET Power is turned on If the cassette has no safety tab playback starts automatically 2 Press PLAY x2 to start playback 3 To stop playback press STOP Rewinding Fast forwarding Press REW or FF in the stop mode...

Page 26: ...ing Still Picture Stability If the still picture is distorted or flickers hold down one of CH TRK until the picture becomes stable Note The distortion of the still picture may not be eliminated completely Slow motion Picture The tape runs at 1 7th or 1 15th the normal playback speed 1 Press SLOW during playback The tape runs at about 1 7th the normal playback speed Each time you press SLOW the spe...

Page 27: ...l is released To stop press STOP The reverse playback mode will be released automatically after about 25 seconds and forward playback will start Noise bar may appear in reverse playback P l a y b a c k d i rection Reverse Initial mode of tape operation Stop Playback Still Normal Picture Fast x7 x1 x1 x1 x1 R e w in d in g Rewinding Rewinding R e v e rs e p la y b a c k P i c t u r e s e a r c h x ...

Page 28: ... view the tape remaining time in the VCR display select the tape length beforehand 1 Turn on the VCR and load a cassette 2 Press PROG to display the MENU screen 3 Select SET UP using FF or REW and press ENTER 4 Select the length of the tape T120 for a T 120 tape or shorter T160 for a T 140 or T 160 tape T180 for a T 180 tape 5 Press PROG to exit 6 Press REMAIN COUNTER The remaining time RT appears...

Page 29: ... INDEX f To search in the forward direction The VCR fast forwards or rewinds the tape When an index signal is found the VCR plays back the tape for about 5 seconds and then resumes fast forwarding or rewinding This is repeated each time at an index signal 3 Press PLAY x2 when the desired program is found Normal playback starts Notes At the very beginning of the tape the index search may not work p...

Page 30: ... sound quality than using the SP tape speed 5 Press REC on the VCR or simultaneously press both REC on the remote control Recording starts 6 Press STOP to stop recording Recording off time setting including S VHS S VHS ET recording By setting the recording off time the recording stops and the VCR is turned off automatically While recording press REC on the VCR repeatedly to set the desired off tim...

Page 31: ...time but with less picture and sound quality than using the SP tape speed 5 Press PROG to display the MENU screen 6 Select SET UP using FF or REW and press ENTER 7 Press STOP repeatedly to go to screen 2 of SET UP page to select S VHS REC and set to ON using REW or FF indicator will appear on VCR display when ON is selected 8 Press REC on the VCR or simultaneously press both REC on the remote cont...

Page 32: ...SP Suitable for general recording with better picture and sound quality SLP Suitable for tripling recording time but with less picture and sound quality than using the SP tape speed 5 Press PROG to display the MENU screen 6 Select SET UP using FF or REW and press ENTER 7 Press STOP repeatedly to go to screen 2 of SET UP page to select S VHS ET and set to ON using REW or FF S ET indicator will appe...

Page 33: ...gram on the channel not a satellite s If your DSS satellite receiver is not remote controllable choose the desired channel 100 to 999 on the DSS satellite receiver To make corrections Press REW to move back to the item or FF to forward Timer Program Recording The programmable timer allows you to record up to 6 different programs over one month Preparation Select the video channel 3 or 4 or video i...

Page 34: ... the end The picture will be distorted when playing the part where the recording tape speed is switched from SP to SLP with the Auto Speed Select feature PROG 25 8 30 SLP E D n On CH DATE OFF D P S PROGRAM SET UP PRESET 8 25 8 26 9 24 WKLYSU MO FR WKLYSA 5 Move to the next using FF and set the recording date using PLAY x2 or STOP The date changes as follows WKLYSU WKLYSA You can record TV programs...

Page 35: ...s Changing cancelling the timer programs 1 If the TIMER indicator is lit press both TIMER to turn it off and then turn the VCR on by pressing POWER 2 With steps 2 to 9 change the items To cancel a program select the program you want to cancel in step 4 and press CANCEL The line is then cleared 3 Press both TIMER to return to the timer standby mode Recording or playback in the timer standby mode Fi...

Page 36: ...blications or the channel guide from cable company If you cannot find the numbers call Gemstar s customer service department at 1 800 4321 VCR Sample of a Guide channel chart from a local TV listing Sample of a Channel line up chart from a cable TV company CHANNEL LINE UP CHART Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Channel 7 Channel 8 Channel 9 ME U 8 WISH 4 WTTV 6 WRTV VCA Local origi...

Page 37: ...ng is now available Example Station Your home channel number on the channel line up chart supplied by cable companies Guide channel number on the TV Guide local TV listings etc HBO 33 7 ESPN 34 AMC 35 the case of CATV mode Preparation Select the video channel 3 or 4 or video input mode on the TV If you record cable channels finish the cable box set up pages 37 40 Prepare the list like below PROG 1...

Page 38: ...ge 17 Load a cassette with a safety tab For cable box users Finish the cable box set up pages 37 40 and turn on the cable box For DSS satellite receiver users This VCR cannot record satellite programs with the VCR Plus C3 system feature To make an unattended recording of satellite programs see Timer Program Recording pages 30 32 Sample of TV program listing in a TV guide magazine PlusCode programm...

Page 39: ...timer standby mode TIMER POWER Recording or playback in the timer standby mode First press both TIMER to release the timer standby mode and then press POWER to turn on the VCR The VCR will be available for use Be sure to press both TIMER again to return the VCR to the timer standby mode after you have finished Error indications If FULL CANCEL PROG message appears on the TV during programming no mo...

Page 40: ...k the sensor window The infrared signals come out of the sensor window and the front of the VCR Then they bounce off walls and other objects in the room and are received by the cable box The VCR sends out infrared signals to your cable box even during timer program recording or VCR Plus C3 system recording Notes If the channels cannot be controlled properly because the infrared signal fails to rea...

Page 41: ...emote control The VCR can change the cable channel to the desired one when timer recording or VCR Plus C3 system recording starts Go to step 7 OFF if your cable box is NON remote controllable Cable channels will be selected by the own channel selector of the cable box The VCR channel should be set to the output channel of the cable box Go to step 8 Preparation Select the video channel 3 or 4 or vi...

Page 42: ...n the timer recording In this case set CONTROL to OFF in step 6 The cable box control is not compatible with the DSS satellite receiver control Buttons to control a remote controllable cable box Once you complete the set up for a remote controllable cable box your cable box can be controlled by the following buttons on the remote control of the VCR POWER CABLE BOX To turn the cable box on or off C...

Page 43: ...0 11 12 13 46 OAK Sigma 10 11 12 13 46 Panasonic 6 8 16 17 Philips 4 13 20 21 22 23 24 25 26 58 62 84 Pioneer 5 6 78 Pulsar 30 42 44 52 63 88 Randtek 13 20 21 22 23 24 25 26 58 62 84 RCA 6 8 16 17 Realistic 44 88 Regal 14 23 41 84 Regency 26 28 Rembrandt 29 32 38 39 42 44 88 Samsung 4 6 32 42 78 Scientific Atlanta 8 9 56 61 Sheritech 27 SL Mark 4 6 32 42 78 Sprucher 6 8 16 17 Stargate 4 6 30 32 42...

Page 44: ...below Do not block the sensor window The infrared signals come out of the sensor window and the front of the VCR Then they bounce off walls and other objects in the room and are received by the DSS satellite receiver The VCR sends out infrared signals to your DSS satellite receiver even during timer program recording Notes If the channels cannot be controlled properly because the infrared signal f...

Page 45: ...using FF or REW ON if your DSS satellite receiver is remote controllable Satellite channels will be selected by CH UP CH DOWN CABLE BOX on the remote control The VCR can change the satellite channel to the desired one when timer recording starts Go to step 7 Preparation Select the video channel 3 or 4 or video input mode on the TV Example PROG O SET CH PUSH 9 0 EYS K T USE OUT UT CH P E D n SET UP...

Page 46: ...he timer recording In this case set CONTROL to OFF in step 6 The VCR Plus C3 system recording is not available on satellite channels The DSS satellite receiver control is not compatible with the cable box control PROG USE OUT UT CH P E D n SET UP PRESET PROGRAM C BOX S S D H C 3 9 9 O n O n n O FF O COnT O R L BRAn T D YPE PROG USE OUT UT CH P E D n SET UP PRESET PROGRAM C BOX S S D H C 3 O n n O ...

Page 47: ... Press DISPLAY Setting of SAP SET on the SET UP screen Type of receiving broadcast Normal sound track Mono L R SAP STEREO ON or OFF not lit not lit MONO MONO MONO ON or OFF not lit lit MONO MIXED ON lit not lit MONO MONO SAP OFF lit not lit MONO MONO MONO ON lit lit MONO MONO SAP OFF lit lit MONO MIXED STEREO STEREO Regular monaural audio Stereo Regular SAP Stereo SAP Sounds in playback You can pl...

Page 48: ...F 2 Press PROG to exit 3 Select the desired channel using CHANNEL on the VCR or CH TRK on the remote control If you use a cable box select a desired channel on the box 4 Select the recording tape speed using SP SLP 5 Press REC to start recording 6 Press STOP to stop recording Broadcast or incoming cable RECORDING To the FM antenna terminal AUDIO OUT AUDIO OUT AUDIO IN LINE IN 1 AUDIO SET UP PROGRA...

Page 49: ...urn on or off TV s screen display ENTER To use for the TV s ENTER key Important Some TVs may not respond to all the operations above or may not be operated at all with this remote control In this case operate your TV with its own remote control Notes For some brands several control codes brand codes are allocated Try each of them until the buttons work on your TV If you replace the remote control ...

Page 50: ...ola 08 MTC 12 NAD 01 11 Nikko 11 Optimus 09 Optonica 08 Panasonic 07 10 15 Penney 01 02 07 11 12 Philco 10 Philips 10 Pioneer 16 Princeclub 12 Prism 07 Proscan 02 Table of Brand Codes Proton 11 Pulser 14 Quasar 07 15 Radio Shack 13 RCA 02 Realistic 09 11 13 Runco NEC 14 Samsung 11 12 Sanyo 09 Scotch 11 Scott 11 Sears 01 02 09 10 11 Sharp 08 13 Sony 03 Soundesign 11 Supreme 03 Sylvania 10 Tandy 08 ...

Page 51: ...cially available cleaning tape The desired sound is not heard such as SAP stereo or regular sound Setting of sounds is not correct Select a desired sound using A SELECT page 44 Noise is present in the Hi Fi sound being played Tracking is not set appropriately Adjust the tracking manually page 21 The timer recording function does not work There is an error in programming Reset the timer recording p...

Page 52: ...ront of the VCR page 10 An obstacle may be in the way of the operation Remove the obstacle The operating mode of the remote control is not set correctly Press VCR or TV depending on the equipment you want to operate pages 14 46 The cassette is ejected immediately after it is loaded The cassette was inserted with the label side not paralleling the compartment Reload it carefully page 20 The cassett...

Page 53: ...160 video cassette is used Fast forward time Within approx 80 s When T 120 video cassette is used High speed rewind time Within approx 54 s when T 120 video cassette is used Video input 1 V p p 75 Ω unbalanced negative sync pin jack Video output 1 V p p 75 Ω unbalanced negative sync pin jack Audio input Line input 308 mV rms more than 47 kΩ pin jack Audio output Line output 308 mV rms less than 4 ...

Page 54: ...oduct as a gift purchased this product This is one way to enable TACP THI to provide you with better customer service and improved products Failure to return the card will not affect your rights under this warranty Your Responsibility The above warranties are subject to the following conditions 1 You must retain your bill of sale or provide other proof of purchase 2 You must notify an Authorized T...

Page 55: ... is authorized to change modify or extend the terms of these warranties in any manner whatsoever The time within action must be commenced to enforce any obligation of TACP THI arising under the warranty or under any statute or law of the United States or any state thereof is hereby limited to ninety 90 days from the date you discover or should have discovered the defect This limitation does not ap...

Page 56: ...ism Check Method 1 5 Mechanical Deck Removing and Mounting Method 1 6 Main Parts Replacement 1 7 Check and Adjustment 1 8 Self Check Function 2 ELECTRICAL ADJUSTMENT 2 1 PIF Circuit 2 2 Servo Circuit 2 3 3D DNR YCS6 Troubleshooting Flow Chart Top General Descriptions Servicing Diagrams Parts List Top General Descriptios Servicing Diagarms Part List ...

Page 57: ...E head S slider Tension lever Band brake S reel table FL arm lever S brake Idle lever assembly T slider ACE head Pinch roller Loading motor No 9 guide lever FL cam gear FL drive slider Center gear assembly T reel table T brake No 8 guide cap 1 MECHANICAL ADJUSTMENT 1 1 Mechanical Parts Location Fig 1 1 1 Top view 1 Fig 1 1 2 Top view 2 ...

Page 58: ...S VHS switch Up down lever Joint gear 1 Joint gear 2 Pinch drive lever Worm gear holder 70909401 ST N5 70909203 ST NF 70909103 70909199 70909228 Alignment tape Back tension cassette gauge Torque cassette gauge KT 300NR Taper nut driver VCR cleaning kit VCR lubrication kit Grease Note Conventional alignment tapes MH 1 70909110 MH 1L 70909111 and ST N1 70909202 may be used partly also instead of ali...

Page 59: ...n post S T slant guide post Impedance Roller No 8 guide post Capstan No 9 guide post No 3 guide post S T guide roller Head assembly cylinder FE head ACE head Pinch roller Capstan motor Loading motor Reel belt Clutch gear assembly Idle lever assembly Band brake Slip ring assembly Note When cleaning use a swab or piece of gauze soaked in alcohol After cleaning load a video cassette with the cleaned ...

Page 60: ... holder without a cassette Does the T reel rotate with the operation above Does the loading motor and the worm wheel rotate without a cassette after turning the power ON Does the FL cam gear rotate approximate 15 degrees clockwise with the operation above and return immediately Does the VCR stop at the playback position after detecting the tape remain with the cassette with a safety tab inserted L...

Page 61: ...tive Parts Replacement When a defective occurs due to the defective part s and the part s is replaced take care the following items 1 Especially as for the mechanical parts requiring the phase alignment take care of the part replacement E g Assembling mode phase alignment mark and etc 2 As for the part s requiring lubricant such as a specified amount of oil or grease apply grease or oil according ...

Page 62: ...ut 2 Check the mechanical position 3 Check the reel belt is removed or not Check mechanical position for the causes 1 2 1 Check capstan motor Check mechanical position for the causes 1 4 1 Check capstan motor 1 Check mechanical position 2 Refer to item 1 4 Mechanism Check Method 3 Check the switch 1 Check capstan motor 1 Check ACE head Check CTL output 1 Check ACE head Check CTL output 2 Perform t...

Page 63: ...e cassette holder so that the start end sensors are not affected by the light Fig 1 4 7 2 Press the channel up down keys on the main unit simultaneously for not less than 5 seconds in succession within 2 seconds after pressing channel up down keys press the rewind key of the remote controller 3 Release both lock levers of the cassette holder to slot in 4 When a cassette goes down the rotation spee...

Page 64: ...anical Deck Removing and Mounting Method Fig 1 5 1 Fig 1 5 2 FFC 4 Power Supply Plug 1 Front panel 5 Claw A Claw A Claw A FFC 4 Top cover 2 Screws 3 Screws 3 Screws 3 Connector A Connector B Screws 1 FFC D FFC C Lug terminal 2 1 5 2 Mechanical Deck Removal 1 Remove the cabinet Refer to section 1 5 1 Cabinet Removal 2 Disconnect the connectors A and B 3 Disconnect the FFC C and FFC D 4 Remove the s...

Page 65: ...e chassis 7 Remove the two screws 5 to detach the rear panel 6 8 Remove the two screws 7 to detach the main PC board 8 with KDB PC board 9 Fig 1 5 3 1 5 3 Mechanical Deck Mounting 1 When mounting the mechanical deck align the marks of the cam switch 1 on the main PC board Fig 1 5 4 2 After mounting the mechanical deck bring it to the state that the cassette holder is just out ...

Page 66: ...slide position of the cassette holder guide grooves A and B Note Turn the worm wheel 3 clockwise if the cassette holder assembly 2 is difficult to slide 3 Remove the FL cassette guide assembly 4 lifting it up while pressing the claw 5 on both sides of the FL cassette guide assembly 4 inside 4 Replace the FL cassette guide assembly with new one 5 Mount it in the reverse order of removal Fig 1 6 3 5...

Page 67: ... FL Drive Slider Joint Gear 2 FL Cam Gear and Joint Gear 1 Replacement 1 Remove the door open lever Refer to item 1 6 1 2 Remove the FL cassette guide assembly Refer to item 1 6 2 3 Remove the cassette holder assembly Refer to item 1 6 3 4 Remove the FL arm lever Refer to item 1 6 4 5 Remove the FL drive slider 1 by sliding it to this side slightly and adjusting the mechanical deck boss 2 portion ...

Page 68: ...r 1 8 mount it so that the cutout portion of the gear is faced with the direction of the FL cam gear 7 Two holes Super V DASH Apply grease to the shaded portion Fig 1 6 10 Joint gear 1 8 Cutout portion FL cam gear 7 Worm wheel 9 Mark Joint gear 1 8 Joint gear 2 6 Cam slider 10 Align marks Align marks Fig 1 6 11 14 When mounting the joint gear 2 6 align the mark of the joint gear 8 with the mark of...

Page 69: ...m gear holder 2 check that the claw 1 is locked properly 1 6 7 Loading Drive Gear Cam Slider S T Loading Lever Assemblies Pinch Drive Lever and Tension Drive Lever Replacement 1 Turn the mechanical deck upside down 2 Remove the reel belt 3 Remove one securing screw on the joint gear bracket and remove the joint gear bracket Refer to item 1 6 5 4 Remove the joint gear 2 Refer to item 1 6 5 5 Releas...

Page 70: ...d perform the adjustment and the confirmation of the back tension Refer to the section 1 7 1 Tension Post Position Check and 1 7 2 2 Reel Torque Check and Back Tension Check Fig 1 6 23 12 When mounting the cam slider 3 loading drive gear 2 and the joint gear 2 8 align the marks of the marking portions Fig 1 6 22 Cam slider 11 When mounting the S T loading lever assembly 4 and 5 align the marks Pin...

Page 71: ...he support post Take care not to dirty bent and damage the felt surface of the band brake 4 8 After mounting confirm the tension post position also confirm the adjustment and back tension Refer to the section 1 7 1 Tension Post Position Check and 1 7 2 2 Reel Torque Check and Back Tension Check 9 After replacing perform the adjustment according to the linearity adjustment of the tape transport sys...

Page 72: ... Assembly and Up Down lever Assembly Replacement 1 When replacing the center gear assembly 1 and Up Down lever assembly 2 remove the S T brake assemblies and idle lever assembly refer to item 1 6 9 and cam slider refer to Fig 1 6 7 in advance 2 Remove the stop ring 3 fixing the holder clutch assembly 4 and remove the holder clutch assembly 4 3 Release two claws 5 of the Up Down lever assembly 2 fr...

Page 73: ... to item 1 6 9 2 Remove the band brake Refer to item 1 6 8 3 Remove the S T reel tables 1 and 2 pulling it from the reel shafts 3 and 4 4 Apply an amount of oil to the top portion and sitting portion of the reel shafts 3 and 4 after cleaning the reel shafts 3 and 4 with the cleaning kit 5 Replace each part with new one 6 Mount it in the reverse order of removal S reel table 1 T reel table 2 Reel s...

Page 74: ...t post and apply an amount of grease to the end of the No 9guide post 10 Also pay attention not to stick the grease on the transportation surface of the No 9 guide lever Confirm the guide post end of the No 9 guide lever 8 touches the top surface of the mechanical deck Insert the other end of the pinch drive spring 7 into the small hole of the mechanical deck a b Flange of the No 9 guide lever Bri...

Page 75: ... with new one Fig 1 6 39 4 When mounting the ACE head assembly 3 to the mechanical deck mount it by aligning the slit A of the mechanical deck with the slit B of the ACE head bracket 4 after aligning the hole 5 of the ACE head bracket 4 to the boss 6 of the mechanical deck Fig 1 6 40 5 Mount the part in the reverse order of removal 6 After mounting perform the adjustment according to the 1 7 3 Tap...

Page 76: ... connector 1 on the cylinder side with its wire holder portion set to the cylinder center side When tightening the slip ring assembly fixing screw 4 be sure to tighten the lug terminal 6 together After mounting the parts confirm no slack on the connector lead wire on the PC board side is found If a slack is found surely wire the connector without slackened 5 After replacing mount the part in the r...

Page 77: ...1 to 5 replace the head assembly cylinder with new one Be sure that driver does not approach to cylinder Screwdriver Cylinder holding plate 5 Screw 3 Head assembly Cylinder 1 6 18 Cylinder Holding Plates Replacement 1 Remove the head cleaner assembly Refer to item 1 6 16 2 Remove three securing screws 1 2 and 3 on the cylinder holding plates 4 5 and 6 Remove the cylinder holding plates 4 5 and 6 b...

Page 78: ... Screw 2 Fig 1 6 47 Notes When remounting the cylinder holding plate 4 after confirming that the FPC 1 is hooked at the groove on the lower head assembly properly insert the FPC 1 under the tip of the cylinder holding plate However this is not applied for the type which has no cylinder window When replacing take much care not to touch the video head directly and damage the cylinder Hook FPC on the...

Page 79: ...ts the imped ance roller to prevent from pulling out So when standing the unit with its top cover removed be sure to remove the impedance roller in advance Do not touch the tape running portion on the roller surface directly by hand and do not attach oil etc on it S impedance roller assembly 1 Apply oil Shaft 2 Fig 1 6 52 Screws 2 Positioning hole of capstan motor assembly Capstan motor assembly 3...

Page 80: ...rque will cause damage to the tape during REVIEW mode 2 REC PLAY take up side Poor torque does not rewind the tape to the end If excessive torque the tape may be stretched by excessive tension 3 Inspection Rewind the torque cassette to the end then check the torque value shown below Review SP x7 14 2 3 9 mN m 145 40 g cm REC PLAY 8 1 2 7 mN m 82 5 27 5 g cm For the checking method refer to the fol...

Page 81: ...e tape is not slackened If slackened operate the VCR in CUE or REVIEW mode and then stop the tape Then make sure the tape is not slackened again 3 After above confirmation proceed to the real torque adjustment and confirmation 4 Caution for removal of torque cassette 1 When removing the torque cassette from the VCR set the VCR to the STOP mode and wait for several seconds Then make sure the tape i...

Page 82: ...ge height of No 8 guide is used as the basic reference for the transport adjustment To keep height of the No 8 guide do not apply excessive force onto the main base to prevent the main base from deformation Pinch roller S guide roller S slant guide T slant guide T guide roller FE head No 3 guide Tension lever tension post REVIEW Released at FF REW mode ACE head No 8 guide ACE head position adjusti...

Page 83: ...al on the alignment tape Trigger scope with switching pulse Adjust tracking control for maxi mum envelope output by pushing tracking up down buttons Playback stereophonic alternative recording signal 300 500Hz on alignment tape Turn the Audio height adjusting screw until audio envelope signal becomes as flat as possible 2 AUDIO HEAD TILT FINE ADJUSTMENT 4 AUDIO HEAD AZIMUTH FINE ADJUSTMENT Playbac...

Page 84: ...ew until tape wrinkle is caused at the lower flange of No 8 guide as shown in Fig 1 7 6 A 3 Turn the ACE tilt adjusting screw counter clockwise until the tape travels along the lower flange as shown in Fig 1 7 6 B Adjustment proce dure From item a From item c From item d Parts replacement Head assembly Cylinder S T sliders assembly ACE head assembly Pinch lever assembly No 9 guide lever Impedance ...

Page 85: ...just T guide roller in up or down direction A B Fig 1 7 8 Adjusting section 6 After completion of the adjustment s push the tracking up down button and make sure video envelope variations are almost flat Next playback the 2 MHz A ch SP mode video signal on the alignment tape and make sure the video RF envelope variations are also flat when tracking up down buttons is pushed NG NG OK Fig 1 7 9 Abno...

Page 86: ... the SLP mode at the tracking center difference between the track ing position of maximum envelope in the SP mode and the tracking center is within 3ms 7 Tighten the ACE head position fixing screw and secure the ACE main base g After Completion ofACE Head FineAdjustment Apply screw lock to two screws tilt azimuth adjusting screws in front of the ACE head 5 No 9 Guide Lever Check 1 Set the VCR to C...

Page 87: ...se difference among each maximum point of AFM envelope A ch and B ch is within 3 ms with the above point used as the basic reference Note If the phase difference exceeds 3 ms replace the head assembly cylinder A B B A 0 55 B 120mV Fig 1 7 12 Envelope output and output difference 3 If the performance does not meet both specifications above 1 and 2 above replace the head assembly cylinder assembly 4...

Page 88: ...e playback Still in reverse playback Reverse slow playback Recording Record pause Power off eject Eject Short FF Short REW Cylinder stop Reel abnormality take up Reel abnormality supply Abnormal slot in slot out Abnormal loading F L driving Loading unloading Reverse rotation with pinch roller ON Playback with pinch roller ON Stop with main brake ON Position detection impossible FF REW Abnormal sys...

Page 89: ... system 3 Frequency counter 7 digits or higher 4 Millivoltmeter 5 Digital voltmeter 6 Tester 20 kΩ V 7 Audio generator 8 Audio attenuator 9 Alignment tapes Part code ST N1 70909202 ST NF 70909203 ST N5 70909401 10 Alignment screw driver jig 11 Color pattern generator 12 Video sweep generator Color bar signal Color bar signals of 75 recorded on the alignment tapes are shown in Fig 2 1 1V p p 0 7V 0...

Page 90: ...ck and adjustment of Video circuit Check and adjustment of Servo circuit Notes 1 This signal is used for tape running adjustment also 2 Set tracking control to center When making linearity adjustment set tracking control to the position where envelope obtains max 1 1 1 2 1 3 1 4 1 5 SP SP SP EP SLP EP SLP 10 min 10 min 9 min 5 min 5 min Item No Mode Time Record Contents Video signal Notes This sig...

Page 91: ...signal is used for tape running adjustment 2 Set tracking control to center position except linearity adjustment 3 When making linearity adjustment S T guide roller set tracking control to the position where envelope obtains max Check and adjustment of Servo circuit Notes 1 This signal is used for tape running adjustment also 2 Set tracking control to center When making linearity adjustment set tr...

Page 92: ...n on the remote control unit 3 The following data will be set in the corresponding address as tabulated 4 Press power button to set the unit to power off mode 5 Pull out the power cord plug from the AC outlet once and insert the power cord plug into the AC outlet again 6 The initialization of default data for MTS IC is now completed The above mentioned procedure will only change the software setti...

Page 93: ... the video out signal 2 2 2 Pseudo V Test point Tracking UP DOWN key Test equipment TV monitor 1 Self recorded tape in SP mode is played and enter STILL mode 2 When tracking UP DOWN key is pressed the center of STILL picture should be adjusted with STILL condition Turn off the VCR When turning off the VCR pseudo V data will be written into EEPROM Note Do not pull out the POWER CORD the data will b...

Page 94: ...cedure 2 Classify the defective symptoms into groups Check the screen on playback according to the operation check procedure 2 3 1 Procedure 3 Check the defects according to the flow chart 3 Operation check procedure Playback Turning DNR off Playback the tape which the color bar signals are recorded Turning DNR on after checking whole murky noises on the color bar Be sure that whole noises are red...

Page 95: ...rm Check color signal waveform Check the main unit Check sine wave signals Check the pulses are generated in almost same intervals Check Video signal waveform Pin 12 of HU01 OK Pin 6 of HU01 OK Pin 14 of HU01 OK Pin 3 and 4 of HU01 OK Pin 8 of HU01 OK Defective 3D DNR YCS6 module HU01 N Y N N N N Y Y Y Y ...

Page 96: ...ck color signal waveform Check the main unit Check sine wave signals Check the pulses are generated in almost same intervals Check Video signal waveform Pin 6 of HU01 OK Pin 14 of HU01 OK Pin 3 and 4 of HU01 OK Pin 8 of HU01 OK Defective 3D DNR YCS6 module HU01 N Y N N Y Y Y N ...

Page 97: ...6 PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM 7 BLOCK DIAGRAMS 7 1 Power Supply Block Diagram 7 2 PIF Block Diagram 7 3 KDB Display Block Diagram 7 4 EDS Block Diagram 7 5 Servo Logic Block Diagram 7 6 Video Block Diagram 7 7 Hi Fi Audio Block Diagram 8 CIRCUIT DIAGRAM 8 1 KDB Circuit Diagram 8 2 Main Circuit Diagram 9 PC BOARDS 9 1 Main PC Board UZ01 9 2 FCB PC Board UK02 9 3 JSB PC Board UK03 9 4...

Page 98: ...io PLAY system Servo system Video PLAY system Audio PLAY system Servo system Table 1 1 1 INSPECTION PROCEDURES Items to be confirmed Clock display Clock setting operation Mode display lamp TV receive condition Channel select operation EE picture and tone quality Signal level Stereo operation Cassette loading operation Eject operation Indicator lamp Abnormal sound Each mode operation Tape drive ope...

Page 99: ...aw A UK02 FCB PC Board UK03 JSB PC Board UK04 KDB PC Board 3 IN 1 Tuner UZ01 Main PC Board H301 VIDEO MODULE UZ01 Main PC Board UK04 KDB PC Board UK02 FCB PC Board UK03 JSB PC Board Fig 4 1 4 PC BOARD SERVICING PRO CEDURE When performing service connect each connection part of the mechanical deck with the main PC board two connectors two flexible flat cables and then turn the unit upside down with...

Page 100: ...ement RF Fusible Table 5 2 1 5 3 Capacitance Indication Symbol Electrolytic Special electrolytic Non polarity electrolytic Ceramic plastic Film Trimmer Unit None F m µF p pF Rated voltage None 50 V For other than 50 V and electrolytic capacitors described in the Circuit Diagram Tolerance 1 Ceramic plastic and film capacitors of which capacitance are more than 10 pF None 5 or more B 0 1 C 0 25 D 0 ...

Page 101: ...olor circuits was conducted with sufficient service color bar signal being received and reproduced in normal conditions Waveforms and voltage values for the remaining circuit were measured with a broadcasting signal normally received so they may vary slightly according to the programs being received Use them as a measure for servicing All voltage values except the waveforms are expressed in DC and...

Page 102: ...N LINE 2 L IN AUDIO GND NC POWER SW DIGITAL GND EJECT SW SY2 L2 SC2 SC2 IN LINE 2 R IN AUDIO GND AUDIO GND LINE 2 R IN LINE 1 IN L LINE 1 IN R LINE 1 IN L LINE 1 IN R CONTROL HEAD AUDIO HEAD AUDIO ERASE HEAD GND GND P201 P202 P203 P204 P205 P502 P702 W503 W701A P102 P801 P101 W501A W301A W301A WK04A P970 P960 W960A P970 W970A JSB UK03 UK02 FCB 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10 11 1 2 3 ...

Page 103: ...CTIFIER SMOOTHING RECTIFIER T802 SMOOTHING RECTIFIER VKK 26V EVER 37V F1 F2 EVER 14V BU 5V EVER 5V 5VS POWER GOOD Q841 9VS RECTIFIER SMOOTHING 7 MB 24V CIRCUIT IC507 5V REG Q831 Q850 9V REG 5V REG Q843 D826 C826 C827 D828 D829 C825 D825 C821 D821 C823 D836 D820 C832 13 SMOOTHING RECTIFIER C833 D838 EVER 11V EVER 9V C835 D839 RECTIFIER SMOOTHING 9 D834 6 6 REG EVER 6 6V Q851 C806 L801 D802 D803 Q80...

Page 104: ...560FP MIX OSC AJ605A 4 5MHz BPF LPF TUNING TUNING RF AMP RF RF AMP AMP AMP DET AMP RF MODULATOR TUNE IF PIF SIF LA7578N 7 INPUT ATTENUATOR DEMODULATION SAP SWITCH STEREO SAP INTERFACE 1 C BUS BLOCK BLOCK DEMODULATION STEREO REDUCTION BLOCK DBX NOISE ABSORPTION OFFSET D A 15 16 MATRIX SELECTOR 26 25 27 CONVENTIONAL AUDIO OUT 3 IN 1 TUNER ICD01 µPC1854AGT MULTIPLEXED TELEVISION SOUND PROCESSING SYST...

Page 105: ...EY PROCESS CK02 22pF AN2 AN4 AN5 AN3 GND EVER 5V Vkk Vkk PLAY STOP CH CH UP REC PAUSE DOWN AN0 AN1 11 13 21 9 12 7 8 19 10 16 18 20 15 EVER 5V Vdd EVER 5 6V SW 5V SK602 WK04 PX04 EVER 5V Vkk F GND F EVER 5 6V RMT OUT FIP RESET SOUT SIN SCLK RMT IN RMT IN SCLK SOUT SIN FIP RESET UZ01 MAIN UK04 KDB REC INHIBIT TO POWER TO FIP DISPLAY DK32 DK31 QK31 LED DRIVER SWITCH QK30 2 1 2 EJECT POWER DK30 EVER ...

Page 106: ...g 7 Seg 8 Seg 9 Seg 10 Seg 11 Seg 14 G1 G2 G3 G4 G5 G6 Seg 12 Seg 13 Seg 15 Seg 16 PLAY STOP EJECT CH DN CH UP PAUSE REC AN1 POWER L Active H Active Unlatch Key Simultaneous Pushing Permitted 43 42 41 40 39 38 37 36 35 34 33 32 31 30 18 19 20 21 22 23 29 28 15 14 13 12 5 SCLK SOUT SIN CS STROBE RESET TO MAIN BOARD WK04 AN0 ...

Page 107: ...4 P15 P16 6G 5G 4G 3G 2G 1G 1d 1e 1c 1g 1f 1b B1 1a B2 B3 2d 2b 2c B4 2e B5 2c 2g 2f 2b 2a 3b 3c 1b 1a 1f 1c 1g 1e 1d 1b 1a 1f 1c 1g 1e 1d 1b 1a 1f 1c 1g 1e 1d 2a 2b 2f 2g 2c 2d 2e 2a 2b 2f 2g 2c 2d 2e col B3 B2 B1 B4 B5 2a 1a 3b 3c 2b 2c col 1a 2a 1a 1f 1e 1b 1c 1g 1d 2a 1a ...

Page 108: ...y RAM MUX Address Latch Display Control Port Serial 14 15 4 6 Stetus Rag Test Rag Row Command Processor CW SLS SFLD LS FLD Line Field Decodes M SYNC 8 7 Buffer VIDEO IN CSYNC Slice Level SIG SYNC COMP DIV CLK DOT CHAR CLK DOT CLK Slicer Data PG Lock 16 Sliced Data SMS FEW Data Bus 13 SEN SCK SDA SDO Row Latch 4 8 13 4 6 10 DEC ADDR 9 5 HSYNC LPF Loop Filter 1 11 Vss Vss A VW VIN Intro SCL 1 SDA 1 ...

Page 109: ...LL TMP93CU76F 1A29 S VHS SW S601 SW Q581 24V 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 12 11 10 9 8 7 6 5 4 3 2 1 13 14 15 VREF AGC DET SHAPE CTL SELECT THRESK SW LOGIC TRAPE REC AMP GAIN CTL EVER 5V EVER 5V EVER 5V 9V ECO MODE GND1 AGC AMP GND2 VCC2 VCC1 VCC1 145k 10k 10k 10k 10k 200k LA7123 IC506 TO KDB TO OSD TO VIDEO AUDIO TO POWER TO KDB 4 3 31 32 38 89 30 90 91 67 66 68 83 84 26 33 5 12 P...

Page 110: ...CH A INPUT VIDEO ENV DET VIDEO ENVELOPE A D INPUT FOR AUTO TRACKING HIFI ENV DET AUDIO ENVELOPE A D INPUT FOR AUTO TRACKING AFT IN AUTO FINE TUNING LOCK DETECTION S IN2 SVHS CABLE 2 REAR DETECT S IN1 SVHS CABLE 1 FRONT DETECT SENSOR CTL TAPE LED ON OFF CONTROL SIGNAL SVHS I O SVHS VHS STATUS I O L VHS H SVHS IIC BUS CLK IIC BUS TRANSFER CLK IIC BUS DATA IIC BUS TRANSFER DATA COMP IN COMPARISON SIG...

Page 111: ...H L REW L L H L M L 4 5 H L L 7 H H FF L L H L PWM M L 4 5 L L L 7 H H STAND BY L L H L L PWM H 2 L L H L H H STOP L L H L L L L 2 L L L H H Un Load ing H L H L L L L L H L H H Load ing L H H L PWM L L L L L L H H OUT SLOT H L H L L L L L L H L H H SLOT L H H L PWM L L L 3 L H L L H H IN 3 L L SP EP R STILL R SLOW SP EP OPEN H L H 3ST H L L L L H L H L L H L H 3ST H L L L H PWM H L L OPEN L L L H ...

Page 112: ...NDEX EJECT EJECT EJECT EJECT EJECT EJECT EJECT EJECT EJECT EJECT EJECT EJECT 5 REC PAUSE PAUSE REC STILL STILL PLAY STILL REC REVIEW REVIEW REVIEW REVIEW REVIEW REVIEW REVIEW 3 4 CUE CUE CUE CUE CUE CUE CUE 2 1 FEEDING FRAME X2 END TAPE MAIN POWER RESET COUNTER INDEX TIMER COUNTER EJECT REC SLOW REW FF PLAY STOP 5 4 3 2 1 OFF OFF POWER OFF POWER OFF POWER OFF POWER OFF POWER OFF POWER OFF POWER OF...

Page 113: ...ER Q313 QL29 BUFFER SWITCH AMP Q317 Q318 GAIN SWITCH BUFFER SWITCH QL26 Q304 BUFFER QL27 Q316 Y IN C IN FSC C SYNC CARR REC SP L SVHS I O ET TAPE ROTARY RF SW REC H ENV DET ENV COMP HASW VA SWP Y OUT C OUT I2C OVER REC COLOR AMP Q310 Q311 VIDEO IN CHROMA IN OSD RESET STB SCL SDA CSYNC IN HD IN VIDEO OUT CHROMA OUT H301 ICL01 COLOR ROTARY RF SW REC H ENV DET ENV COMP HASW VA SWP OVER REC TAPE ET SV...

Page 114: ...ECTOR L SELECTOR R OUTPUT INPUT SELECTOR DECODER I C BUS 45 47 41 43 DECODER I O MEMORY BUS BPF ADJ 2 IC920 TA1246F HIFI PROCESS SDA1 SCL1 HIFI ENV HIFI DET OUT PB HIFI FM REC HIFI FM AUDIO FF TO SERVO LOGIC PRE REC CTL ICV61 TUNER AUDIO L MOD AUDIO TUNER AUDIO R ATT ATT REC EE SIGNAL L REC EE SIGNAL R PLAY EE SIGNAL L PLAY EE SIGNAL R LINE IN 1 L R LINE IN 1 LINE OUT L LINE OUT R TO PIF ATT ATT 3...

Page 115: ...OR INPUT REC SYSTEM 30 20 40 7 75 24 5 77 5 50 2 45 OUTPUT LINE AMP 70 0 25 0 78 60 2 45 50 7 75 40 24 5 30 77 5 20 245 10 775 0 mV rms dB 8 308 REC SYSTEM INPUT 400Hz 308 mV rms INPUT SELECTOR INPUT REC AMP INPUT AMP LINE OUTPUT LINE OUTPUT OUTPUT AMP REC INPUT AUDIO HEAD HEAD OUTPUT AUDIO OUTPUT AMP EQ PLAY SYSTEM ELECTRO MAGNETICS CONVERSION LOSS CONVENTIONAL AUDIO LEVEL CHART EE ...

Page 116: ...1 8K RK22 220 RK02 2 2K RK10 2 2K RK12 220 RK14 470 RK13 330 RK15 820 RK23 330 QK31 2SC2236Y QK30 RN1401 CK30 82p RK44 1 2K RK30 4 7K WK04 ZK01 70113184 CK73 0 047U RK73 3 3 RK27 6 8K RK17 6 8K 5V 5V 5V 5V 5V 5v SK602 70145505 RK575 4 7K 5V QK32 RN1401 DK40 ECO LED RK41 270 5V CK74 0 047U DK31 TLN105B DK32 TLN105B RK07 220 RK08 220 RK06 22O RK39 RK40 5V RK42 RK43 RK03 220 RK04 220 CK05 10nF 5V Mai...

Page 117: ...iv G1 D 8 3 ICK01 Pin 2 V 1V div H 10µs div 8MHz X OUT F 5 4 ICK01 Pin 12 V 2V div H 2ms div SIO STROBE E 7 5 ICK01 Pin 13 V 2V div H 2ms div SIN M D E 7 6 ICK01 Pin 14 V 2V div H 2ms div SOUT D M D 7 7 ICK01 Pin 15 V 2V div H 2ms div SCLK D 7 KDB 8 1 1 Waveform for KDB Circuit Diagram ...

Page 118: ... R358 0R R346 KETSU C349 100n C348 100n C347 100n IC507 KIA7045AP R585 68K JPY07 JP271 17 5 RJ008 0R JP206 15 JP023 20 JP024 15 JP025 7 5 R930 KETSU LX03 CX03 470uF R360 220R C325 0 47µ16V R847 1 2K R848 100K F803 1 5A 125V RF840 1 4W 4R7 RF850 1 2W 1R5 C815 2 2µ200V R815 2M C812 569P R812 100 D850 RL201 R851 1 2W 1R0 RY10 RY11 RJ585 0R QL26 2SA1162Y BUFFER QL30 RN2404 SWITCH QL29 2SA1162Y BUFFER ...

Page 119: ... IC323 MM1226XF 2 IN 1 OUT DRIVER IC324 MM1041XM 6dB AMPRIFIER VIDEO IC Q309 2SA1162Y LPF TC DIGITA IC325 MM1031XM SYNC SEPARATOR Q312 2SA1162Y SEPARATOR 38 40 41 36 Q511 2SA1162Y SWITCH Q510 RN1404 SWITCH MODE VIDEO ICL01 LOCATION PLAY EE PIN 3 16 5 04 2 08 1 82 2 52 2 08 0 0 0 0 52 5 04 2 96 3 76 0 5 04 0 0 8 0 1 9 0 3 16 5 1 84 1 8 2 52 2 06 0 0 0 0 58 5 04 2 96 3 58 0 4 98 0 0 52 0 1 9 0 20 19...

Page 120: ...JP276 20 JP266 12 5 JP301 10 JP267 10 JP302 15 RJ007 0R JP232 12 5 JP228 5 JP253 12 5 L331 0R JP303 20 JP354 20 JP355 20 JP333 10 JP340 JP341 12 5 JP405 12 5 JP311 20 JP273 12 5 RF17 75R JP288 5 JP350 12 5 JP632 JP339 20 JP540 JP586 JP663 JP549 JP255 10 JP637 JP316 7 5 JP332 5 JP326 20 JP320 12 5 JP319 12 5 JP334 5 JP221 5 JP304 7 5 JP280 5 JP342 7 5 JP360 7 5 JP335 5 JP620 JP550 JP618 JP568 JP641...

Page 121: ...6V R005 3K9 R004 3K9 H001 R002 1K R0 1K S001 23344 Q001 R006 4K7 R007 10K JP019 12 5 C006 0 022µ C002 10µ10V D002 KETSU R010 0R C007 KETSU Q841 RF841 R842 C842 JP012 20 JP014 20 JP402 10 R845 62 0R R960 820R RF18 75R RF19 75R JP943 12 5 JP944 12 5 JP341 12 5 JP405 12 5 JP311 20 JP914 7 5 JP915 7 5 JP403 20 JP404 7 5 JP007 20 JP018 15 JP917 20 JP299 20 JP288 5 JP633 JP616 JP315 15 JP329 20 JP348 12...

Page 122: ...3 2 4 2 3 2 4 2 3 2 4 2 5 4 8 3 1 4 8 4 8 5 5 4 8 4 8 4 8 4 8 4 7 4 7 0 0 0 4 8 2 7 2 4 2 3 2 3 2 3 4 4 5 4 5 4 5 9 8 7 6 5 4 3 2 1 IC920 25 30 29 28 27 26 16 15 14 13 12 11 10 22 21 20 19 18 17 23 24 32 31 33 34 35 36 37 38 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5...

Page 123: ...C828 TF0 022 D828 D829 C827 33µ50V D839 RU2YX C835 820µ16V L824 C836 220µ16V 833 W501 70175907 W501A 23902356 R283 100R C280 470p R538 10k R539 10k Q870 R871 D870 R870 JP249 KETSU JP248 KETSU JP306 17 5 JP687 C806 630V 33nF L801 ZBF253D 02 D806 RU1P R801 1 2W 3M3 D810 MTZ16A R811 180K C829 35V 10µ R824 1 8K Q850 2SC3279N C344 1µ C342 1µ R342 1K R343 470K R344 1K5 IC507 KIA7045AP R585 68K JPY07 JP2...

Page 124: ... 7 5 JP234 15 R550 KETSU R551 KETSU R552 KETSU R553 KETSU R554 KETSU R555 4 7K R556 KETSU R557 KETSU R558 KETSU JP263 12 5 JP323 15 JP337 20 JPF05 15 RY03 RY04 RY05 D834 ERA15 02 RY08 RY07 RY06 R357 KETSU R354 1K5 R353 3K3 C346 10n R352 3K3 1µ R350 910R C349 100n C348 100n C347 100n RJ008 0R JP2 15 LX03 CX03 470uF RY10 RY11 VIDEO SWITCH IC326 MM1031XM Q318 2SC2712Y AMP Q317 2SC2712Y AMP 2SC2712Y Q...

Page 125: ...OLD HALLSEN HOLD TAPESEN D841 MTZJ10B RD10ESAB2 C841 22µ16V C969 B0 01µ R841 4 7K Q842 2SC2713GR Q840 2SA1163GR R840 22K RF10 10k RE10 1K Q940 RN2404 R940 1K R941 1K CF05 B0 01 CF02 B0 01 C943 B2200p 732 R741 390R R599 2 2k W301A R567 1k Q841 RF841 R842 C842 JP012 20 JP014 20 R845 JP943 12 5 JP944 12 5 JP914 7 5 JP915 7 5 JP633 JP616 JP315 15 JP329 20 JP348 12 5 JP913 7 5 JP911 12 5 JP350 12 5 JP6...

Page 126: ...4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 4 4 4 4 4 4 5 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 9 4 9 4 9 4 9 4 9 4 9 4 9 4 9 4 9 0 5 0 4 0 5 4 5 4 4 4 5 0 9 0 9 0 9 4 5 4 6 4 5 4 5 0 2 4 5 0 4 0 2 0 4 2 2 0 8 2 2 2 1 4 0 2 1 2 1 2 1 1 0 9 0 2 3 0 0 9 9 9 4 6 4 4 4 4 IC502 1 2 0 3 4 5 6 7 8 9 5 7 0 0 14 1 0 14 1 0 14...

Page 127: ...H 10ms div CAP ERR SLP SLOW H 8 20 IC501 Pin 32 V 1V div H 5ms div PV PH STILL K 12 29 P502 Pin 9 V 1V div H 20ms div CAP ERR SP SLOW H 8 21 IC501 a Pin 34 b Pin 35 V 2V div H 5µs div a b SP PLAY a b a b a b K 12 K 12 30 IC506 Pin 24 V 500mV div H 500µs div FGA SHAPE SP PLAY H 7 22 IC501 Pin 43 V 1V div H 10ms div REC CTL OUT REC J 12 J 10 31 IC501 a Pin 70 b Pin 69 V 2V div H 100ms div I 10 I 10 ...

Page 128: ...9 PC BOARDS 9 1 Main PC Board UZ01 1 A 2 3 4 5 6 7 8 9 10 B C D E F G Fig 9 1 1 ...

Page 129: ...9 2 FCB PC Board UK02 1 A 2 3 4 9 3 JSB PC Board UK03 Fig 9 3 1 Fig 9 2 1 B C 1 A 2 3 4 B C CK99 JPK91 JPK92 JPK93 JPK94 JPK95 JPK96 P998 P999 PK98 PK99 SK21 SK22 W970A WK11 DK30 W960A WK31 ...

Page 130: ...9 4 KDB PC Board UK04 1 A 2 3 4 5 6 7 8 9 B Fig 9 4 1 10 ...

Page 131: ...citor Cap 3 3 Resistor Res 4 EXPLODED VIEWS 4 1 Packing Assembly 4 2 Cabinet Assembly 4 3 Chassis Assembly 4 4 Mechanism Assembly 1 4 5 Mechanism Assembly 2 5 PARTS LIST Top General Descriptions Adjustment Procedures Servicing Diagrams Top General Descriptions Adjustment Procedures Servicing Diagrams ...

Page 132: ...f chip type and mounted on original PC boards However when they are placed for servicing works use discrete parts listed on the parts list 3 ABBREVIATIONS 3 1 Integrated Circuit IC 3 2 Capacitor Cap Capacitance Tolerance for Nominal Capacitance more than 10pF P 100 0 Symbol Tolerance B 0 1 C 0 25 D 0 5 F 1 G 2 J 5 K 10 M 20 N 30 V 20 10 W 100 10 U 75 10 Q 30 10 T 50 10 Symbol Tolerance X 40 20 Y 1...

Page 133: ... Y105 Y125 Y127 Y103 Y104 Y107 Y111 Y112 Y113 A701 A702 A703 4 EXPLODED VIEWS 4 1 Packing Assembly Fig 4 1 1 4 2 Cabinet Assembly Fig 4 2 1 A102C A101M A106 A107 A101H A106A UK03 A101D UK02 UF01A A104 A104J ...

Page 134: ...4 3 Chassis Assembly Fig 4 3 1 B001A UZ01 B603B B603C B603 A105 UZ01B UK04 UK01A B601D B601D UK01B HU01 H301 ...

Page 135: ...bly 1 Fig 4 4 1 G051 G050 G532 G530 G540 G538 G610 B256 B254 G056 G052 G536 G534 B239 G510 G480 G663 G666 G555 B474 K546 G527 G520 B460 B462 B456 B458 B473 B468 B500 B484 B488 B464 B478 G661 G428 G420 G450 G458 G104 G001S ...

Page 136: ... 5 Mechanism Assembly 2 Fig 4 5 1 B248 K490 K502 K250 K330 K544 K544 K542 K350 K340 K110 K140 K248 K240 K530 K180 B570 B444 B446 B448 B440 B452 K470 B560 K544 B238 B410 G542 K219 K221 KC02 K224 G546 K200 ...

Page 137: ...1703 Screw 3x6mm B603C 70391973 Screw 3x12mm G001S 70311946 Cylinder Assy G050 70125736 Slip Ring Assy G051 23721310 Screw 3x10mm G052 70372085 Bracket G104 70368260 Coupling G420 70300455 S Slider Assy G450 70322537 T Slide Assy G480 70318793 ACE Head Assy G510 70391936 Screw 2 6x5 6mm G520 70343273 No 9 Guide Lever Assy G527 70356416 Spring G530 70183029 FE Head G532 70391910 Screw 2 6x8mm G534 ...

Page 138: ...mm UZ01B 70391703 Screw 3x6mm W701 70175908 FFC Y101 70971856 Owner s Manual English Y104 70061209 Sheet Extended Service Plan Y112 70148457 Remote Control Unit Y113 70168298 RF Cable Y125 70168273 Pin Cable 3P Y127 70168288 S VHS Cable LOCATION NUMBER PART NUMBER DESCRIPTION ...

Page 139: ... Electrolytic 47MF M 6 3V CK30 24774820 Cap Chip 82pF J 50V CK73 24815473 Cap Chip 0 047MF K 50V CK74 24815473 Cap Chip 0 047MF K 50V RESISTORS RJK01 24000824 Chip Jumper RJK02 24000824 Chip Jumper RK02 24872222 Res Chip 2 2kohm J 1 16W RK03 24872221 Res Chip 220ohm J 1 16W RK05 24872470 Res Chip 47ohm J 1 16W RK06 24366221 Res Carbon 220ohm J 1 6W RK07 24366221 Res Carbon 220ohm J 1 6W RK08 24366...

Page 140: ...hip 2SC2712 Y Q301 A6335470 Transistor Chip 2SC2712 Y Q302 A6335470 Transistor Chip 2SC2712 Y Q303 A6335470 Transistor Chip 2SC2712 Y Q304 A6335470 Transistor Chip 2SC2712 Y Q305 A6541130 Transistor Chip 2SA1162 Y Q306 A6541130 Transistor Chip 2SA1162 Y Q307 A6335470 Transistor Chip 2SC2712 Y Q308 A6541130 Transistor Chip 2SA1162 Y Q309 A6541130 Transistor Chip 2SA1162 Y Q312 A6541130 Transistor C...

Page 141: ...164 Diode D1NL20U D828 23357164 Diode D1NL20U D829 23357164 Diode D1NL20U D830 23316738 Diode Zener MTZJ22B D831 23316668 Diode Zener MTZJ5 1A D832 23115537 Diode 1SS131 D833 23316681 Diode Zener MTZJ7 5B D834 70213235 Diode Schottky AK06 D836 23316463 Diode RK46 D838 23316766 Diode RU2YX D839 23316766 Diode RU2YX D841 23316690 Diode Zener MTZJ10B D843 23316673 Diode Zener MTZJ5 6C D844 23316660 D...

Page 142: ...C348 24092178 Cap Chip 0 1MF K 25V C349 24092178 Cap Chip 0 1MF K 25V C401 24092441 Cap Chip 1MF Z 16V C402 24092178 Cap Chip 0 1MF K 25V C403 24630023 Cap Electrolytic 4 7MF M 16V C404 24092178 Cap Chip 0 1MF K 25V C405 24815682 Cap Chip 6800pF K 50V C406 24814333 Cap Chip 0 033MF Z 50V C407 24092178 Cap Chip 0 1MF K 25V C408 24630030 Cap Electrolytic 0 1MF M 50V C501 24630864 Cap Electrolytic 10...

Page 143: ...01 Cap Electrolytic 100MF M 35V C838 24793220 Cap Electrolytic 22MF M 10V C841 24794220 Cap Electrolytic 22MF M 16V C842 24794220 Cap Electrolytic 22MF M 16V C843 24793220 Cap Electrolytic 22MF M 10V C844 24793220 Cap Electrolytic 22MF M 10V C845 24630860 Cap Electrolytic 22MF M 10V C846 24630860 Cap Electrolytic 22MF M 10V C920 24797478 Cap Electrolytic 0 47MF M 50V C921 24797478 Cap Electrolytic...

Page 144: ...06 24815102 Cap Chip 1000pF K 50V CL07 24815103 Cap Chip 0 01MF K 50V CL09 24781181 Cap Chip 180pF J 50V CL10 24815103 Cap Chip 0 01MF K 50V CL12 24092293 Cap Chip 0 1MF Z 25V CL13 24092442 Cap Chip 0 47MF Z 16V CL14 24815103 Cap Chip 0 01MF K 50V CL15 24794100 Cap Electrolytic 10MF M 16V CL16 24630025 Cap Electrolytic 10MF M 50V CL17 24814103 Cap Chip 0 01MF Z 50V CL18 24774561 Cap Chip 560pF J 5...

Page 145: ...4872223 Res Chip 22kohm J 1 16W R406 24872682 Res Chip 6 8kohm J 1 16W R407 24872103 Res Chip 10kohm J 1 16W R502 24366331 Res Carbon 330ohm J 1 6W R503 24366331 Res Carbon 330ohm J 1 6W R504 24872471 Res Chip 470ohm J 1 16W R505 24872224 Res Chip 220kohm J 1 16W R506 24872104 Res Chip 100kohm J 1 16W R507 24872472 Res Chip 4 7kohm J 1 16W R508 24366332 Res Carbon 3 3kohm J 1 6W R509 24872564 Res ...

Page 146: ...rbon 180kohm J 1 6W R812 24366101 Res Carbon 100ohm J 1 6W R814 24366101 Res Carbon 100ohm J 1 6W R815 24366205 Res Carbon 2Mohm J 1 6W R821 24367362 Res Carbon 3 6kohm G 1 6W R822 24367751 Res Carbon 750ohm G 1 6W R823 24366271 Res Carbon 270ohm J 1 6W R824 24366182 Res Carbon 1 8kohm J 1 6W R826 24322109 Res Metal 1 0ohm J 1W R827 24366681 Res Carbon 680ohm J 1 6W R830 70213230 Thermistor 12BA0R...

Page 147: ...1 16W RL02 24872101 Res Chip 100ohm J 1 16W RL10 24872821 Res Chip 820ohm J 1 16W RL11 24872102 Res Chip 1kohm J 1 16W RL12 24000401 Res Chip 100kohm F 1 16W RL13 24872823 Res Chip 82kohm J 1 16W RL14 24872102 Res Chip 1kohm J 1 16W RL15 24872334 Res Chip 330kohm J 1 16W RL16 24872102 Res Chip 1kohm J 1 16W RL17 24872471 Res Chip 470ohm J 1 16W RL18 24872101 Res Chip 100ohm J 1 16W RL19 24872222 R...

Page 148: ... Line Filter TRF3192 T802 70213264 Power Transformer TPW3453AD W301 70175912 FFC 10P W301A 23902361 Connecter FFC 10P W501 70175913 FFC 5P W501A 23902356 Wire FFC 5P 1 25mm X501 23153409 Crystal 16MHz X502 70153690 Crystal 32 768MHz Z601 70200448 Photo Interrupter GP1S566 Z602 70200448 Photo Interrupter GP1S566 Z661 70125758 Stator Z662 70114368 Hall Sensor HW300B Z662A 70869627 Holder LOCATION NU...

Page 149: ...438BALEXANDRAROADBLOCKB 06 01ALEXANDRATECHNOPARKSINGAPORE119968 ...

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