JVC AV-21VT14 Service Manual Download

Page: 53 / 58

(No.YA140)2-9

2-10(No.YA140)

VIDEO-1
S-VIDEO
INPUT

VIDEO-2
COMPONENT
VIDEO
INPUT

BASS SPEAKER
OUT

OUTPUT

SPEAKER

MAIN PWB ASS'Y (1/3)
SCW-1038A-H2 [AV-21VT34/P]

VIDEO-3

INPUT

MAIN PWB ASS'Y(3/3)

(CRT SOCKET)

CN10T

R753

C764

C766

3.3V

R101

L710

L711

L709

C765

C101

C753

C752

C751

R105

R782

R004

R729

D101

C780

C750

C749

C748

L101

C746

C109

R107

Y004

R103

L716

D601

SF101

L002

NECK

LC803

R755

R002

C107

SF102

R001

C004

IC801

C003

R766

R767

C001

C106

R345

J803

Y003

K702

R804

LC802

IC601

AUDIO AMP

Y804

Y803

R806

Y806

Y805

LC804

Y808

J802

D813

Y807

C760

D603

R318

Q307

R320

R321

C316

D810

C315

C313

D811

D812

C312

C311

C310

C309

L303

R728

R726

R727

CN00T

C705

C757

C756

C718

C747

L706

C754

C755

R732

R733

R734

R735

L708

C758

C759

L707

X701

C709

C712

Q791

Y816

C761

C717

IC701

R005

C005

C706

R731

D708

R701

C710

C711

C762

R708

C763

R709

D701

C713

R702

C714

C707

C708

R705

R703

R704

C716

C715

R706

R707

C719

C720

Q705

TU001

CF101

R617

D602

C605

C606

R607

R637

R638

R639

R603

R611

Q604

Q602

R610

C609

Q601

R609

R608

C607

C608

R623

R620

Q608

Q607

R621

C613

R624

R622

R616

R341

R812

C802

C803

R811

R813

Q803

Q805

C809

R808

Q801

R807

R809

R802

R803

LC801

R344

R343

L301

D341

CF702

D342

D343

D344

D345

C314

R319

Y705

J804

Y706

C302

C303

R309

R312

C305

R801

C304

3.3V_STB

Y802

Y801

R805

R823

D807

C806

C807

Y603

LC701

Y702

Y703

STB1

CN00C

Q001

32V

L717

C308

C307

C306

R308

Q002

R307

W-A1

R310

Q305

Q306

X301

L302

IC301

Q703

R324

R342

L702

L701

L703

C702

C701

Y791

Y008

K301

12V

C777

R760

R761

C341

Q341

Y303

R816

Q701

IC651

BL_GND

J805

R656

R651

R652

R653

R654

R658

R657

R659

R660

R661

R655

C651

C654

C652

C653

C659

C660

D651

CF701

Y701

D801

D802

D803

D804

R664

R663

C657

C658

A_VCC

A_GND

Y973

C779

C804

R815

Y712

Y713

J801

Y714

VDRA+

VDRB-

H_DRIVE

P_ON/OFF

HFB

ABL

PROTECT

GND

R822

R325

R326

R327

VER_PROTECT

GND

R328

R322

R323

D303

D808

R824

D809

Y301

R626

R629

R627

R628

LC805

C805

Y811

J809

R630

R631

R633

R632

CN00S

R778

Y981

GND

R821

R820

R819

R818

S801

S802

S803

S804

S805

D713

R781

R780

R779

C789

Y604

K107

Y813

Y605

Y302

R640

C661

W-A

C111

C985

C986

IC976

R978

R008

D001

Y006

Y005

R006

R817

Y715

D753

C785

C778

D706

R737

Q704

R738

K102

K105

GND

C615

R974

R790

Y817

IC302

C317

J808

Q308

Q706

R724

R792

C616

R825

R725

R722

IC974

C965

C722

C983

R601

R662

R602

D815

C318

L304

CP650

Y819

Y818

R793

C110

R795

R756

Q707

Q708

R796

D707

R794

C792

D607

D751

Y717

C662

Y822

Y824

K106

Y101

Y102

Y103

Y711

Y709

Y718

Y825

Y104

Y720

Y812

Y821

K108

D814

Y105

J806

J807

C342

Y106

Y107

GND

Y601

W-H

D349

D817

Q101

L001

R106

R104

R108

C102

R102

Q102

Q103

C743

C742

R716

C108

C103

C104

R110

C105

R777

C740

C737

C006

C736

R003

R109

C002

C721

C793

R715

C723

C724

C727

C728

L705

Y710

R710

C739

C738

C725

C726

C729

C732

R741

R742

R744

R746

R747

R749

R751

R752

R754

R771

R757

C703

C704

R736

C767

L712

C775

L715

L704

C731

C734

C730

C733

L713

C769

C768

R745

R743

R758

R759

L714

C773

C774

D714

C771

C772

D709

C776

R750

C770

R618

C601

C655

C656

C602

R605

R604

C603

C604

R606

D605

D604

D606

D710

R612

R613

R614

R619

R615

C610

Q603

Q605

Q606

R810

D806

D805

Q804

R814

C741

R718

R713

R711

C781

C782

K103

K104

K701

R762

R763

R764

R765

R712

R714

C735

R717

D703

D702

D704

R719

L003

C982

K101

R311

R314

R313

R315

R316

R317

R772

IC702

R748

L651

R720

R721

C612

C611

R769

R770

R625

C744

C745

R740

R776

C783

R785

R768

Y707

R774

R773

R775

Y810

Y809

Y814

Q609

R007

R783

C784

C614

Y007

R784

D791

C790

Q610

Q611

Q702

R723

R634

R635

R636

W-B

W-B1

D711

D712

R786

C786

C791

Q612

R787

Y820

D816

QQL244K-1R0Z

QQL244J-4R7Z

QQR1199-001

QAX0723-001

REMOTECON

RECEVER

RPM7238-H5

QNN0348-001

QQR1199-001

AN7585

QQR1199-001

QNN0349-002

QJL001-065631

QAX0799-001Z

DTC124ESA-T

/16

INSSW3

Uout/INSSW2

VssP2

VssC4

V1.8C4

V3.3A3

VrefP_Sdac

VrefN_Sdac

VrefP_Sdac

VrefN_Sdac

VrefP_Sdac

XtalIn

XtalOut

VssA1

NECK

CONT

V5P1

Ph2

Ph1

Gnd1

SecPll

Dec8G

VDRB-

VDRA+

Vif1

Vif2

Vsc

Iref

GndIF

Sif1

Sif2

AGC

EHT

SVM

FbiSo

Hout

VssComb

V5Comb

Vin/R2/Pr

Uin/B2/Pb

Yin/G2/Y

Ysync

Yout

R3/Pr

G3/Y

B3/Pb

Gnd3

V5P3

BCL

BLKIN

Rout

Gout

Bout

V3.3A1

RefAdN

V3.3RefAdP

RefAd

GndA

V1.8ADC

VssADC

V3.3A2

V1.8A

SSM3K02F-X

32V

LOCK

SDA

SCL

AGC

QAU0353-001

TUNER

QAX0349-001

1/2W

UN2226-X

KTA1267/YG/-T

1/2W

QQR1199-001

MA8033/H/-X

QNN0349-001

1/2W

QGA2501F1-06

2SK1374-X

RC4558D-X

QNS0100-001

NCF31CZ-474X

MA8062/M/-X

NCB21HK-152X

QNZ0454-002

LH22440-T16

POWER

LED(RED)

QUY160-075Y

QQR1199-001

QUY160-075Y

QNS0155-001

1/2W

QGA2501C5-04Z

QSW0619-003Z

MA8039/H/-X

QUY160-100Y

QQR1114-001Z

MM1561JF-X

MA8051/M/-X

QUY160-100Y

MA8036-X

QUY160-150Y

QETM1VM-108

ECO

S9066-11

QNN0282-001

SSM3K02F-X

QETM1VM-108

MM1561JF-X

NCB21HK-152X

ICP-N50-Y

1SS133-T2

QUY160-075Y

QUY160-125Y

QUY160-200Y

QUY160-150Y

QUY160-100Y

QUY160-200Y

QUY160-050Y

QQR1114-001Z

QNN0281-003

QNN0281-002

MA8120/M/-X

2SC5083/L-P/-T

RIN

BIN

GND

LIN

B_MUTE

L_OUT

L_R_MUTE

GND_B

VCC

B_OUT

STB

ROUT

/16

SCLO

SDAO

P12/Int2

VssC3

V1.8C3

P25/PWM4

S_V_DET

L_OUT

R_OUT

DecsDem

QssO/AmO/AudeEm

Gnd2

PllIf

SifAgc

IfVo/FmRo/DvbO

V8AudioSwitches

AgcSsif

V5P2

V_OUT

Audio2InL

Audio2InR

V2/Y

Y3/Cvbs

A_L

A_R

HP_L

HP_R

CVBSO/PIP

VssC1+P1

VDO_DET

KEY_IN

DecV1V8

V1.8C1

ECO_IN

PROT

4.5/OTHER

A_MUTE

3.58/OTHER

ROTATION

V3.3P

SDA1

SCL1

POWER

P00/I2SDI1

S_REDUCE

VER_PROTECT

TIMER

VssC2

V1.8C2

PW_LED

REMOTE

PW_LED

Ssif/RefIn/Avl/RefOut

MA8030/H/-X

1/2W

MA8300/H/-X

UN2226-X

QQR1114-001Z

QUY160-150Y

QQL244J-4R7Z

QQR1114-001Z

ANALOG

DIGITAL

VSS

VCC

SCL

SDA

QQL244J-4R7Z

QRE141J-152Y

1/2W

QETM1VM-228

MA8062/M/-X

MA8051/M/-X

2SC1740S/QR/-T

QRE141J-472Y

NCB21HK-152X

1.2K

.22

100/16

.01

1.2K

27K

1.8K

1.2K

220

470/16

.01

.22

100

27K

560

560p

10/50

100

.22

100/16

.01

.22

.047

.0022

12k

6800p

2.2/50

100/16

10k

.22

10/50

100

.022

100/16

39k

100

.001

220

22k

.01

.001

10K

.22

2.2

4.7K

10K

100K

33/50

27K

220/16

33K

10K

2.2K

10/50

68K

10K

390

10/50

82K

100

100/16

.22

100

100/16

33K

1.2K

22K

33K

20K

39K

22K

47/16

10/50

100p

.01

22K

10/50

470/16

330K

470

270

470

330

220

180

4.7K

100K

10K

47/50

220/16

470/16

47/16

3.3K

10K

47/16

3.3K

10K

1/50

10/16

2.7K

100

100K

10K

2.2K

10/50

100

.01

8.2K

10/50

2.2K

.01

47/25

100

33/16

.01

3.9K

10/50

3.3/50

390

3300p

10/50

2.2/50

220

100

15K

100

220

4.7k

470/16

100

.22

22/50

10/50

.22

3.3k

2.2/50

22/50

.22

10K

10/50

100/50

10/50

8.2K

10K

.22

2.2

100K

8.2K

100K

390

100K

2.2K

220

3.9K

4.7/50

2.2K

10K

.22

2.2

15K

1/50

10K

100

2.2K

3.9K

10K

27p

270

SDA1

CVBSO/PIP_GND

SCL1

SCL0

1.8V

SDA0

S_V_DET

R_OUT

V_OUT

NECK

3.58/OTHER

3.3V

V2/Y_GND

V2/Y

V2/Y_GND

L_OUT

VDO_DET

PB_GND

Y_GND

SCL1

CVBSO/PIP

12V

Y_GND

PR_GND

SDA1

Y1/CVBS1

A_VCC

V2/Y

SDA1

STB1

4.5/OTHER

A_GND

P_ON/OFF

VDRB-

SCL1

VDRA+

STB1

12V

1.8V

3.3V

NECK

SCL0

SDA0

BASS

PROT

PROTECT

VDRA+

H_DRIVE

P_ON/OFF

VDRB-

ABL

HFB

VER_PROTECT

CONT

V1.8A

PR_GND

C1_GND

A_R

NECK

S_V_DET

R_AOUT

PW_LED

HP_L

REMOTE

R_OUT

L_OUT

TIMER

3.58/OTHER

SDA1

SCL1

OFF_MUTE

H_DRIVE

HFB

12V

VDO_DET

A_MUTE

Y1/CVBS1

V2/Y

V_OUT

C1_GND

P_ON/OFF

ABL

REMOTE

ECO_IN

PROT

B_MUTE

A_L

CVBSO/PIP

CVBSO/PIP_GND

OFF_MUTE

PW_LED

KEYIN

1.8V

ABL

HP_R

V1.8A

1.8V

4.5/OTHER

BASS

KEYIN

PROTECT

12V

HP_R

HP_L

Y_GND

A_R

A_L

L_AOUT

ECO_IN

TIMER

A_B

Y_GND

R_AOUT

L_AOUT

B_MUTE

VER_PROTECT

A_B

SVM

A_VCC

A_GND

A_MUTE

MAIN MICRO COMPUTER/
IF VIDEO RGB SYNC DEF. PROCESS

MAIN PWB CIRCUIT DIAGRAM [AV-21VT34/P] (1/3)

NOTE) 1.Refer to the part list for the part number of IC701 and IC702.

2.Refer to page 2-15 for voltages of this circuit diagram.

3.Refer to page 2-16 for waveforms of this circuit diagram.

www.freeservicemanuals.info

7/23/2017

Digitized in Heiloo Netherland

Summary of Contents for AV-21VT14

Page 1: ...10 FLAT COLOR TELEVISION YA140 2004 10 AV 21VT14 P AV 21VT34 P TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 4 3 DISASSEMBLY 1 8 4 ADJUSTMENT 1 14 5 TROUBLESHOOTING 1 30 BASIC CHASSIS CW www freeservicemanuals info 7 23 2017 Digitized in Heiloo Netherland ...

Page 2: ...V Power Consumption 121W Max 81W Avg 143W Max 91W Avg Picture Tube A51LVV896X 21 inch aspect ratio 4 3 flat square face type tinted Screen Size Visible size 51 0cm Diagonal 41 6cm 31 5cm H V High Voltage 29kV 1 5kV at zero beam current Speaker 6 5cm 13cm Oval type 2 6 5cm 13cm oval type 2 13cm round type 1 Bass blaster unit Audio Output 7W 7W 7W 7W 13W Video Audio Input 1 2 3 S Video 1 Mini DIN 4 ...

Page 3: ...he manufacturer of the complete product 7 Do not check high voltage by drawing an arc Use a high voltage meter or a high voltage probe with a VTVM Discharge the picture tube before attempting meter connection by connecting a clip lead to the ground frame and connecting the other end of the lead through a 10kΩ 2W resistor to the anode button 8 When service is required observe the original lead dres...

Page 4: ...ons can be selected automatically and the TV channels can also be rearranged automatically Built in DIGITAL ECO MODE ECONOMY ECOLOGY In accordance with the brightness in a room the brightness and or contrast of the picture can be adjusted automatically to make the optimum picture which is easy on the eye Built in OFF TIMER RETURN 2 2 MAIN DIFFERENCE LIST Items AV 21VT14 P AV 21VT34 P BASS BLASTER ...

Page 5: ...O key MENU OK key MUTING key Number keys 100 key VOLUME keys BASS key AV 21VT34 P CINEMA SURROUND key 1 2 3 5 6 7 8 9 10 11 12 4 13 14 16 18 17 21 19 20 15 MENU keys 1 2 3 4 5 6 7 8 9 10 11 IN VIDEO 3 VIDEO HEADPHONE jack IN VIDEO 3 AUDIO L MONO IN VIDEO 3 AUDIO R MENU OK button CHANNEL buttons VOLUME buttons Remote control sensor ECO sensor POWER lamp MAIN POWER button IN VIDEO 3 V R L MONO POWER...

Page 6: ...ONENT VIDEO 2 INPUT INPUT 7 4 3 2 12 1 9 5 6 10 11 8 13 2 3 4 5 6 7 8 9 10 11 12 14 VIDEO 1 INPUT TERMINAL S VIDEO VIDEO AUDIO L MONO AUDIO R COMPONENT VIDEO 2 INPUT TERMINAL Y VIDEO CB CR AUDIO L MONO AUDIO R OUTPUT TERMINAL VIDEO AUDIO L AUDIO R BASS BLASTER UNIT OUTPUT TERMINAL BASS SPEAKER OUT Aerial input terminal 1 13 V L R R L MONO Y CB CR V V S OVER L R MONO BASS SPEAKER OUT OUTPUT VIDEO 1...

Page 7: ... Cvbs I S Video Y1 input 59 C1 I S Video C1 input 60 AudioLsL O Audio L output for audio power amplifier 61 AudioLsR O Audio R output for audio power amplifier 62 HP_L O Headphone L 63 HP_R O Headphone R 64 CVBSO PIP O CVBS PIP output 65 SVM O Scan velocity modulation output 66 FbiSo I Flyback input sandcastle output 67 Hout O Horizontal output 68 VssComb GND 69 V5Comb I 5V 70 Vin R2 Pr I PIP R in...

Page 8: ...the MAIN PWB backward If necessary take off the wire clamp and connectors etc 3 1 4 REMOVING THE SPEAKER Remove the REAR COVER 1 Remove the 2 screws C as shown in Fig 1 2 Follow the same steps when removing the other hand SPEAKER 3 1 5 CHECKING THE MAIN PW BOARD To check the back side of the MAIN PWB 1 Pull out the MAIN PWB Refer to REMOVING THE MAIN PW BOARD 2 Erect the MAIN PWB vertically so tha...

Page 9: ... JACK AV 21VT34 P TWIN PORT BASS BLASTER UNIT AV 21VT34 P PICTURE TUBE FRONT CABINET MAIN PWB FBT MAIN PWB CRT SOCKET PWB REAR COVER A B C C SPEAKER SPEAKER x4 x9 x2 x2 www freeservicemanuals info 7 23 2017 Digitized in Heiloo Netherland ...

Page 10: ...ther the setting values of the SYSTEM CONSTANT SET are the same as those indicated in Table 1 If the value is different select the setting item with the MENU key and set the correct value with the MENU key 4 Press the DISPLAY key twice to return to the normal screen 5 Receive channel setting Refer to the OPERATING INSTRUCTIONS and set the receive channels channels preset 6 User setting Check the u...

Page 11: ...LUE BACK MUTE NO ECO SENSOR YES SURROUND YES PICTURE BOOSTER NO COMPONENT YES S INPUT YES Setting item Setting content Setting AV 21VT14 P AV 21VT34 P value YES NO SYSTEM OTHERS TAIWAN OTHERS YES NO YES NO YES NO YES NO STEREO PB MONO YES NO YES NO YES NO YES NO www freeservicemanuals info 7 23 2017 Digitized in Heiloo Netherland ...

Page 12: ...MTS STEREO FAVORITE CH RED PR02 FAVORITE CH GREEN PR03 FAVORITE CH YELLOW PR04 FAVORITE CH BLUE PR05 AI ECO SENSOR OFF AI ECO DISPLAY ON Setting item Setting value 1 IF 1 VCO 2 DELAY POINT 2 V C 1 SCREEN 2 CUTOFF B G 3 WDR R G B 4 BRIGHT TV VDO 1 2 3 5 CONT TV VDO 1 2 3 TV 16 9 VDO 16 9 6 COLOUR TV VDO1 2 3 DVD 7 TINT TV VDO 1 2 3 8 SHARP Do not adjust 9 Y DELAY Do not adjust 10 TINT DVD Do not ad...

Page 13: ...rt Transistors diodes variable resistors etc 1 Apply extra solder to each lead 2 As shown in the figure push the part with tweezers and alternately melt the solder at each lead Shift and remove the chip part NOTE After removing the part remove remaining solder from the pattern 2 How to install Chip parts Resistors capacitors etc 1 Apply solder to the pattern as indicated in the figure 2 Grasp the ...

Page 14: ... with the remote control unit User mode setting position 4 3 MEASURING INSTRUMENT AND FIXTURES 1 DC voltmeter or Digital voltmeter 2 Oscilloscope 3 Signal generator Pattern generator PAL SECAM NTSC 4 Remote control unit 4 4 ADJUSTMENT ITEMS B1 VOLTAGE FOCUS ADJUSTMENT IF CIRCUIT ADJUSTMENTS IF VCO adjustment DELAY POINT AGC TAKE OVER adjustment VIDEO CIRCUIT ADJUSTMENTS WHITE BALANCE Low light adj...

Page 15: ...YOKE IC702 MAIN PWB ASS Y CRT SOCKET T 6 1 4 1 FRONT HVT MAIN PWB ASS Y 1 6 1 4 1 1 4 5 6 1 X U LOWER SCREEN TU001 J809 S901 J808 S805 S803 S801 S804 S802 J807 J806 J804 J801 J802 J803 IC701 CN00S CN00C T PW DEG POWER CORD TP E E1 TP 47B POWER SW TP 47R CN00C 1 5V 2 SCLO 3 SDAO 4 SCL1 5 SDA1 6 GND I2 C www freeservicemanuals info 7 23 2017 Digitized in Heiloo Netherland ...

Page 16: ...ues adjustment values of the IF circuit 2 V C For entering adjusting the setting values adjustment values of the VIDEO circuit 3 AUDIO For entering adjusting the setting values adjustment values of the AUDIO circuit 4 DEF For entering adjusting the setting values adjustment values of the DEFLECTION circuit 5 VSM W B For setting the values of STANDARD SOFT BRIGHT and COOL NORMAL WARM 6 STATUS This ...

Page 17: ...AUDIO PAL 1 SCREEN HBC WBC BRI V C 000A 0002 0009 5 VSM W B 1 BRIGHT VSM PRESET BRIGHT 4 DEF 1 V SHIFT DEF FULL 50Hz 1 BRIGHT 2 CONT 3 COLOUR 4 SHARP 5 HUE 1 R DRIVE 2 G DRIVE 3 B DRIVE Setting item 4 3 16 9 1 V SHIFT 2 V SLOPE 3 V SIZE 4 H CENT 5 H SIZE 6 TRAPEZ 7 EW PIN 8 COR UP 9 COR LO 10 ANGLE 11 BOW 12 V S CR 13 V LIN 14 V ZOOM 15 V SCROLL Setting item 1 IF 3 AUDIO 5 VSM W B 7 PLUG PLAY ON 2...

Page 18: ...s even when the screen gets darkened Item Measuring instrument Test point Adjustment part Description IF VCO check Remote control unit 1 IF 1 VCO CW Note Under normal conditions no adjustment is required 1 Receive a broadcast signal 2 Select 1 IF from the SERVICE MENU 3 Select 1 VCO 4 Check the characters color of the JUST REFERENCE displayed to yellow 5 Press the DISPLAY key three times to return...

Page 19: ... 7 7 10 TINT DVD VIDEO S VIDEO 0 63 34 31 32 32 COMPONENT 32 31 1 0 11 AMP T SHARP RF VIDEO 0 63 0 0 0 0 0 0 Item Measuring instrument Test point Adjustment part Description WHITE BALANCE Low light adjustment Signal generator Remote control unit 2 V C 2 CUTOFF B 2 CUTOFF G SCREEN VR In HVT Note Set PICTURE MODE VSM to BRIGHT COMPOSITE WHITE BALANCE 1 Receive a PAL black and white signal color off ...

Page 20: ... Select 4 BRIGHT 4 Set the initial setting value 5 If the brightness is not best with the initial setting value make fine adjustment until you get the best brightness 6 Press the DISPLAY key twice to return to the normal screen SUB CONTRAST adjustment Remote control unit 2 V C 5 CONT Notes Proceed to the following adjustment after having completed the SUB BRIGHT adjustment Set PICTURE MODE VSM to ...

Page 21: ...P 47G TP E CRT SOCKET PWB 2 V C 6 COLOUR Method of adjustment using measuring instrument Notes Proceed to the following adjustment after having completed the SUB CONTRAST adjustment Set PICTURE MODE VSM to BRIGHT PAL COLOR 1 Receive a PAL color bar signal full field color bar 75 white 2 Select 2 V C from the SERVICE MENU 3 Select 6 COLOUR 4 Set the initial setting value of PAL COLOR 5 Connect the ...

Page 22: ...te control unit TP 47G TP E CRT SOCKET PWB 2 V C 7 TINT Method of adjustment using measuring instrument Notes Proceed to the following adjustment after having completed the SUB CONTRAST adjustment Set PICTURE MODE VSM to BRIGHT NTSC 3 58 TINT 1 Receive a NTSC 3 58 color bar signal full field color bar 75 white 2 Press the COLOR SYSTEM key to select the NTSC 3 58 color system 3 Select 2 V C from th...

Page 23: ...GLE 0 63 32 31 32 0 0 0 11 BOW 0 63 32 31 32 0 0 0 12 V S CR 0 63 32 31 32 0 0 0 13 V LIN 0 63 32 31 32 0 0 0 14 V ZOOM 0 63 32 31 30 0 13 3 15 V SCROLL 0 63 32 31 32 0 0 0 Item Measuring instrument Test point Adjustment part Description V SLOPE adjustment Signal generator Remote control unit 4 DEF 2 V SLOPE PAL V SLOPE 1 Receive a PAL circle pattern signal of vertical frequency 50Hz 2 Select 4 DE...

Page 24: ...4 H CENT 4 Adjust 4 H CENT to make C D NTSC H POSITION 1 Receive a NTSC circle pattern signal 2 Make similar adjustment of NTSC H POSITION in the same way as for PAL H POSITION V LINEARITY adjustment Signal generator Remote control unit 4 DEF 12 V S CR 13 V LIN PAL V LINEARITY 1 Receive a PAL crosshatch signal 2 Select 12 V S CR 3 Set the initial setting value of 12 V S CR 4 Select 13 V LIN 5 Set ...

Page 25: ...ame way as for PAL H PARALLEL H BOW adjustment Signal generator Remote control unit 4 DEF 11 BOW PAL H BOW 1 Receive a PAL crosshatch signal 2 Select 11 BOW 3 Set the initial setting value of 11 BOW 4 Adjust 11 BOW to optimize the horizontal arc distortion NTSC H BOW 1 Receive a NTSC crosshatch signal 2 Make similar adjustment of NTSC H BOW in the same way as for PAL H BOW 3 Press the DISPLAY key ...

Page 26: ... NTSC V HEIGHT 1 Receive a NTSC crosshatch signal of vertical frequency 60Hz 2 Make similar adjustment of NTSC V HEIGHT in the same way as for PAL V HEIGHT V SLOPE adjustment Signal generator Remote control unit 4 DEF 2 V SLOPE PAL V SLOPE 1 Receive a PAL circle pattern signal of vertical frequency 50Hz 2 Select 4 DEF from the SERVICE MENU 3 Select 2 V SLOPE 4 Set the initial setting value of 2 V ...

Page 27: ... CONT 3 COLOUR 4 SHARP 5 HUE 1 R DRIVE 2 G DRIVE 3 B DRIVE 1 Select 5 VSM W B from the SERVICE MENU 2 Select BRIGHT with the MENU OK key 3 Set the value of 1 BRIGHT 5 HUE to the values shown in the table 4 Respectively select the VSM PRESET mode for SOFT and STANDARD 5 Select COOL with the MENU OK key 6 Set the values of 1 R DRIVE 3 B DRIVE to the value shown in the table 7 Select the W B preset f...

Page 28: ...ust the gap between two lugs so that the GREEN RASTER will come into the center of the screen Fig 3 8 Move the deflection yoke forward and fix the position of the deflection yoke so that the whole screen will become green 9 Insert the wedge to the top side of the deflection yoke so that it will not move 10 Input a crosshatch signal 11 Verify that the screen is horizontal 12 Input red and blue rast...

Page 29: ...lection yoke up and down and overlap the lines in the periphery Fig 2 2 Move the deflection yoke left to right and overlap the lines in the periphery Fig 3 3 Repeat 1 and 2 above and make best convergence 4 Adjust XV by XV coil Fig 4 After adjustment fix the wedge at the original position Fasten the retainer screw of the deflection yoke Fix the P C magnets with glue Fig 1 Fig 2 Fig 3 Fig 4 FRONT V...

Page 30: ...ality B1 over current protection An over current on the low B1 line is detected The main microcomputer detects the possible abnormality at 24 msec intervals and judges the results in every 16 time Of the 16 times if NG is detected more than 9 times it is judged that there is an abnormality When an abnormality has been detected the SUB POWER is turned off While the SUB POWER is being turned off the...

Page 31: ...MPANY VIDEO DISPLAY CATEGORY 12 3 chome Moriya cho kanagawa ku Yokohama kanagawa prefecture 221 8528 Japan Victor Company of Japan Limited VPT Printed in Japan www freeservicemanuals info 7 23 2017 Digitized in Heiloo Netherland ...

Page 32: ... CAP Metalized Film Capacitor MG R Metal Glazed Resistor MM CAP Metalized Mylar Capacitor MP R Metal Plate Resistor MP CAP Metalized Polystyrol Capacitor OM R Metal Oxide Film Resistor PP CAP Polypropylene Capacitor CMF R Coating Metal Film Resistor PS CAP Polystyrol Capacitor UNF R Non Flammable Resistor TF CAP Thin Film Capacitor CH V R Chip Variable Resistor MPP CAP Metalized Polypropylene Capa...

Page 33: ...W PARTS LIST 3 AV 21VT34 P 3 6 EXPLODED VIEW 3 3 6 PRINTED WIRING BOARD PARTS LIST AV 21VT14 P 3 7 MAIN P W BOARD ASS Y SCW 1039A H2 3 7 PRINTED WIRING BOARD PARTS LIST AV 21VT34 P 3 11 MAIN P W BOARD ASS Y SCW 1038A H2 3 11 REMOTE CONTROL UNIT PARTS LIST RM C1282 2H 3 15 PACKING 3 15 PACKING PARTS LIST 3 15 www freeservicemanuals info 7 23 2017 Digitized in Heiloo Netherland ...

Page 34: ...rt No Part Name Description Local 1 GG30068 001A H AV SHEET 2 GG40023 003A H JVC MARK 3 GG30044 001B H REMOCON LENS 4 GG30042 001B H LED LENS 100 GG10238 008A H FRONT CABINET ASS Y Inc 101 102 103 104 101 GG20044 004A H DOOR 102 GG30043 002A H POWER KNOB 103 CM35235 003 H SPRING 104 GG20022 002B H CONTROL KNOB 100 1 2 101 102 103 104 3 4 www freeservicemanuals info 7 23 2017 Digitized in Heiloo Ne...

Page 35: ...CM47005 A01 H POWER CORD CLAMP 15 QMPR380 165 K2 POWER CORD 1 65m BLACK 16 QAL0608 001 PC MAGNET 17 CE40764 00A WEDGE ASS Y x3 18 A48457 3 H SPRING 19 CHGB0028 0A BRAIDED ASS Y 20 CHGB0017 0C BRAIDED SUB ASS Y 21 CM36623 B01 H CHASSIS RAIL x2 22 GG40046 001A H TAPPING SCREW x4 23 LC40226 004A H SPACER x4 24 GG20057 001A H SP HOLDER x4 25 QAS0139 001 SPEAKER x2 SP01 SP02 26 GG20024 001B H RATING LA...

Page 36: ...T34 P TWIN PORT BASS BLASTER UNIT AV 21VT34 P V01 FRONT CABINET MAIN PWB 30 T522 MAIN PWB CRT SOCKET PWB 30 13 26 11 12 15 14 18 19 20 21 21 16 17 22 22 23 23 23 24 24 24 25 25 L01 DY01 23 24 www freeservicemanuals info 7 23 2017 Digitized in Heiloo Netherland ...

Page 37: ...ZA TAP SCREW M4 x 16mm x13 52 GG10141 001C H BASS BOTTOM 53 LC41211 001A SOUND ABSORBER 54 QYSBSFG4016ZA TAP SCREW M4 x 16mm x4 55 QAS0118 001 SPEAKER SP03 56 WJJ0266 002A E SIC WIRE C C 57 GG30022 001A H BASS DUCT R x2 58 GG10140 001C H BASS TOP 50 50 51 51 52 57 58 54 54 55 53 57 56 51 51 www freeservicemanuals info 7 23 2017 Digitized in Heiloo Netherland ...

Page 38: ...R 1500pF 50V K D804 NCB31HK 152X C CAPACITOR 1500pF 50V K D808 LH22440 T16 LED POWER RED D810 MA8091 H X Z DIODE D811 MA8091 H X Z DIODE D812 MA8091 H X Z DIODE D813 MA8091 H X Z DIODE D814 MA8091 H X Z DIODE D815 NCB31HK 152X C CAPACITOR 1500pF 50V K D816 NCB31HK 152X C CAPACITOR 1500pF 50V K D817 MA8091 H X Z DIODE D901 GSIB460 BRIDGE DIODE D921 RGP10J 5025 T3 SI DIODE D922 1SS133 T2 SI DIODE D9...

Page 39: ...C761 NCB31HK 104X C CAPACITOR 0 1uF 50V K Ref No Part No Part Name Description Local C762 QETN1CM 107Z E CAPACITOR 100uF 16V M C763 NCB31CK 224X C CAPACITOR 0 22uF 16V K C764 NCB31HK 104X C CAPACITOR 0 1uF 50V K C765 QETN1CM 107Z E CAPACITOR 100uF 16V M C766 NCB31CK 224X C CAPACITOR 0 22uF 16V K C767 NCB31CK 224X C CAPACITOR 0 22uF 16V K C768 NCB31CK 224X C CAPACITOR 0 22uF 16V K C770 NCB31HK 104X...

Page 40: ...rt Name Description Local R634 NRSA63J 271X MG RESISTOR 270Ω 1 16W J R636 NRSA63J 271X MG RESISTOR 270Ω 1 16W J R637 NRSA63J 472X MG RESISTOR 4 7kΩ 1 16W J R639 NRSA63J 472X MG RESISTOR 4 7kΩ 1 16W J R640 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R701 NRSA63J 123X MG RESISTOR 12kΩ 1 16W J R702 NRSA63J 101X MG RESISTOR 100Ω 1 16W J R703 NRSA63J 101X MG RESISTOR 100Ω 1 16W J R704 NRSA63J 101X MG RESISTOR...

Page 41: ...92K 100X COIL 10uH K L708 NQL092K 100X COIL 10uH K L709 NQL092K 100X COIL 10uH K L710 NQL092K 100X COIL 10uH K L711 NQL092K 100X COIL 10uH K L712 NQL092K 100X COIL 10uH K L713 NQL092K 100X COIL 10uH K L714 NRSA02J 0R0X MG RESISTOR 0Ω 1 10W J L715 NQL092K 100X COIL 10uH K L716 NQL092K 100X COIL 10uH K L717 NQL092K 100X COIL 10uH K L951 QQLZ034 460 HEATER CHOKE 46uH L952 QQL26AK 470Z CHOKE COIL 47uH...

Page 42: ... X SI DIODE D710 MA8091 H X Z DIODE D711 MA8051 M X Z DIODE D712 MA8051 M X Z DIODE D713 MA8039 H X Z DIODE D714 MA8030 H X Z DIODE D751 MA8091 H X Z DIODE D753 MA8091 H X Z DIODE D791 MA8062 M X Z DIODE D801 NCB31HK 152X C CAPACITOR 1500pF 50V K D802 NCB31HK 152X C CAPACITOR 1500pF 50V K D803 NCB31HK 152X C CAPACITOR 1500pF 50V K D804 NCB31HK 152X C CAPACITOR 1500pF 50V K D808 LH22440 T16 LED POW...

Page 43: ...741 NCB31HK 104X C CAPACITOR 0 1uF 50V K Ref No Part No Part Name Description Local C742 QETN1HM 106Z E CAPACITOR 10uF 50V M C743 QETN1HM 106Z E CAPACITOR 10uF 50V M C744 NCB31HK 104X C CAPACITOR 0 1uF 50V K C745 NCB31HK 104X C CAPACITOR 0 1uF 50V K C746 NCB31HK 104X C CAPACITOR 0 1uF 50V K C747 QETN1HM 106Z E CAPACITOR 10uF 50V M C748 NCB31HK 104X C CAPACITOR 0 1uF 50V K C749 NCB31HK 104X C CAPAC...

Page 44: ...art Name Description Local R602 NRSA63J 272X MG RESISTOR 2 7kΩ 1 16W J R603 MA111 X SI DIODE R604 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R605 NRSA63J 822X MG RESISTOR 8 2kΩ 1 16W J R606 QRE121J 2R2Y C RESISTOR 2 2Ω 1 2W J R607 QRE121J 2R2Y C RESISTOR 2 2Ω 1 2W J R609 NRSA63J 273X MG RESISTOR 27kΩ 1 16W J R610 NRSA63J 104X MG RESISTOR 100kΩ 1 16W J R611 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R612 NRS...

Page 45: ...QRE121J 182Y C RESISTOR 1 8kΩ 1 2W J R962 QRL029J 223 OMF RESISTOR 22kΩ 2W J R963 NRSA63J 223X MG RESISTOR 22kΩ 1 16W J R964 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R970 QRE121J 182Y C RESISTOR 1 8kΩ 1 2W J R973 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R974 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R976 NRSA63J 391X MG RESISTOR 390Ω 1 16W J R977 QRL039J 120 OMF RESISTOR 12Ω 3W J R978 NRSA63J 332X MG RESISTO...

Page 46: ...ON ASS Y 4pcs in 1set 3 GG30097 003A H POLY BAG 4 GG30096 001A H POLY BAG 5 BATTERY AA R6 x2 6 GGT0040 001B H INST BOOK 7 CEAB004 001 MATCHING UNIT 8 CP30967 007 H POLY BAG AV 21VT34 P 9 GG10142 001B H BASS TOP CUSHION AV 21VT34 P 10 RM C1282 2H REMOCON UNIT 11 GG20025 005A H CORNER LABEL x2 AV 21VT14 P 11 GG20070 002A H CORNER LABEL x2 AV 21VT34 P 11 11 6 2 2 5 7 1 4 3 9 8 10 www freeservicemanua...

Page 47: ...RIGHT 2004 Victor Company of Japan Limited No YA140 2004 10 FLAT COLOR TELEVISION YA140 2004 9 AV 21VT14 P AV 21VT34 P BASIC CHASSIS CW CD ROM No SML200410 www freeservicemanuals info 7 23 2017 Digitized in Heiloo Netherland ...

Page 48: ... Polypropylene capacitor MPP Metalized polypropylene capacitor MF Metalized film capacitor TF Thin film capacitor BP Bipolar electrolytic capacitor TAN Tantalum capacitor 3 Coils No unit Others µH As specified No indication Ceramic capacitor 2 Capacitors Capacitance value 1 or higher pF less than 1 µF Withstand voltage No indication DC50 V Others DC withstand voltage V AC indicated AC withstand vo...

Page 49: ...AGRAM AV 21VT34 P 2 3 3 3 2 11 PATTERN DIAGRAMS MAIN PWB PATTERN 2 13 VOLTAGE CHART 2 15 WAVEFORMS 2 16 USING P W BOARD E C B OUT E IN E C B E C G D S B IN E OUT E C B E C B E C B CHIP TR TOP VIEW BOTTOM VIEW FRONT VIEW TRANSISTOR TOP VIEW BOTTOM VIEW FRONT VIEW IC TOP VIEW CHIP IC 1 N 1 N 1 N 1 N N 1 P W BOARD ASS Y NAME AV 21VT14 P AV 21VT34 P MAIN P W BOARD SCW 1039A H2 SCW 1038A H2 2 2 No YA14...

Page 50: ...DENT AUDIO CONTROL COMB FILTER Y DELAY ADJ COLOUR DEMOD SYNC SEP H DRIVE VIF DETECT AGC AFT SOUND TRAP DIGITAL SIGNAL PROCESS PEAKING SCAN VELOCITY MOD U V DELAY RGB MATRIX GAMMA AUDIO SELECT VIDEO SELECT I O PORT AUDIO SELECT Y PB PR V2 Y V1 C1 V3 L1 L2 L3 R1 R2 R3 VOUT LOUT ROUT 24 25 SV_DET 122 79 80 78 55 58 59 51 49 50 56 57 34 35 48 36 37 ROUT 85 GOUT BOUT 86 87 VDA VDB HOUT 22 23 67 A_L A_R...

Page 51: ...CL AS BT AGC QAU0353 001 TUNER QAX0349 001 1 2W UN2226 X KTA1267 YG T 1 2W QQR1199 001 MA8033 H X MA8033 H X MA8033 H X QNN0349 001 CH CH 1 2W QGA2501F1 06 D G S 2SK1374 X D G S 2SK1374 X NCB21HK 152X NCB21HK 152X NCB21HK 152X NCB21HK 152X QNZ0454 002 LH22440 T16 POWER LED RED QQR1199 001 QUY160 075Y QNS0155 001 1 2W 1 2W QGA2501C5 04Z QSW0619 003Z QSW0619 003Z QSW0619 003Z QSW0619 003Z QSW0619 00...

Page 52: ...1 2W QRG01GJ 221 1 2W CHGC004 400 G QQL244J 5R6Z QQR1035 002 QQL244J 5R6Z QFLC1HJ 822Z QFLC2AJ 683Z GP10DE 5009 T2 MF QFZ9077 104 1 2W CP ICP N38 Y 1 2W QQR0673 004 PQ120RDA1SZ NCF21HZ 334X NCF21HZ 334X QFZ9072 473 QRE121J 1R0Y FBT QQH0188 001 2W Vcc Vcc PUMP UP THERMAL PROTECTION AMP AN15525A V OUT PQ050RDA1SZ QRL039J 393 QGA2501F1 05 QRL029J 223 MA8330 M X CHGC004 400 G 1SS133 T2 1 2W MA8240 M X...

Page 53: ...01 CH CH 1 2W QGA2501F1 06 D G S 2SK1374 X D G S 2SK1374 X RC4558D X RC4558D X QNS0100 001 CH NCF31CZ 474X MA8062 M X NCB21HK 152X NCB21HK 152X NCB21HK 152X NCB21HK 152X QNZ0454 002 LH22440 T16 POWER LED RED QUY160 075Y QQR1199 001 QUY160 075Y QNS0155 001 1 2W 1 2W QGA2501C5 04Z QSW0619 003Z QSW0619 003Z QSW0619 003Z QSW0619 003Z QSW0619 003Z MA8039 H X QUY160 100Y QQR1114 001Z MM1561JF X MA8051 M...

Page 54: ...MY HV QGZ5004C1 04 1 2W QRG01GJ 221 1 2W CHGC04 400 G QQL244J 5R6Z QQR1035 002 QQL244J 5R6Z QFLC1HJ 822Z QFLC2AJ 683Z GP10DE 5009 T2 MF QFZ9077 104 1 2W CP ICP N38 Y 1 2W QQR0673 004 PQ120RDA1SZ NCF21HZ 334X NCF21HZ 334X QFZ9072 473 QRE121J 1R0Y FBT QQH0188 001 2W Vcc Vcc PUMP UP THERMAL PROTECTION AMP AN15525A V OUT PQ050RDA1SZ QRL039J 393 QGA2501F1 05 QRL029J 223 MA8330 M X CHGC04 400 G 1SS133 T...

Page 55: ...35 W094 W095 HS921 IC401 Y303 R783 Y953 W106 R921 W105 K901 K104 W024 Q609 Q610 W113 Y962 Q611 R634 R635 W108 W109 W110 R636 W058 Y817 R345 R342 CN00T R736 C701 IC801 D807 K701 W140 R755 R751 R747 T921 L712 C767 W006 W147 W007 W134 W179 W148 Q703 C785 R729 C780 C750 L 5 2 2 C748 C749 J809 W186 W187 W111 C658 C746 C747 R785 L716 D708 C7 55 R728 R343 R757 54 C7 C756 C757 L706 W089 W112 W116 W117 Y81...

Page 56: ...1 0 82 4 8 83 2 5 84 3 6 85 1 9 86 1 9 87 1 9 88 3 2 89 0 90 3 2 91 1 6 92 0 93 1 8 94 3 2 95 0 96 1 8 97 3 2 98 0 1 99 0 1 100 1 8 101 0 102 3 2 103 3 2 104 0 105 0 106 0 107 0 108 2 2 109 2 8 110 3 2 111 0 112 3 2 113 2 9 114 3 2 115 0 116 2 5 117 1 8 118 1 8 119 3 2 120 0 121 0 122 3 2 123 0 124 1 7 125 0 126 3 2 127 3 2 128 3 1 IC702 1 0 2 0 3 0 4 0 5 3 1 6 3 1 7 0 8 3 2 IC801 1 3 2 2 3 2 3 0 ...

Page 57: ...p p H IC701 66 5 4Vp p H H IC701 87 2 4Vp p H IC701 48 2 1Vp p H T522 9 250Vp p T522 8 25Vp p H H T522 7 120Vp p H T522 6 120Vp p H T522 4 62Vp p H T522 2 5 6Vp p H Q522 C 1050Vp p H Q521 B 2 7Vp p Q521 C 18Vp p H Q522 B 2 3Vp p H H IC351 8 142Vp p IC351 7 114Vp p IC351 9 170Vp p H IC701 85 2 0Vp p IC701 86 1 6Vp p H H 0 2us div 0 2us div H CRT SOCKET PWB www freeservicemanuals info 7 23 2017 Digi...

Page 58: ...MPANY VIDEO DISPLAY CATEGORY 12 3 chome Moriya cho kanagawa ku Yokohama kanagawa prefecture 221 8528 Japan Victor Company of Japan Limited VPT Printed in Japan www freeservicemanuals info 7 23 2017 Digitized in Heiloo Netherland ...

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