av-21jt5eu / av-21jt5eub av-14jt5eu / av-14jt5eub … › document › jvcav21jt5.927705178.pdf ·...

AV-21JT5EU AV-21JT5EUBAV-14JT5EU AV-14JT5EUB

1

Oct. 2000 No.51721

AV-21JT5EU / AV-21JT5EUBAV-14JT5EU / AV-14JT5EUBSTANDARD CIRCUIT DIAGRAM

n NOTE :1. RESISTANCE IS SHOWN IN OHM. K=1000, M=1000000

2. UNLESS OTHERWISE NOTED IN SCHEMATIC ALL CAPACITOR VALUES ARE EXPRESSED IN ÊÊÊÊF

3. VOLTAGES READ WITH VTVM FROM POINT INDICATED TO CHASSIS GROUND USING A COLOR BAR SIGNALWITH ALL CONTROLS AT NORMAL LINE 230V AC VOLTAGE READINGS SHOWN ARE NORMAL VALUES AND MAY

VARY +20% EXCEPT H.V

4. THIS CIRCUIT DIAGRAM IS A STANDARD ONE CIRCUIT PRINTED MAY BE SUBJECT TO CHANGE FOR PRODUCTIMPROVEMENT WITHOUT PRIOR NOTICE.

n WARNING :BEFORE SERVICING THE CHASSIS, READ X-RAY RADIATION, SAFETY PRECAUTION, AND PRODUCT

SAFETY NOTICE IN SERVICE MANUAL.

n PRODUCT SAFETY NOTE :COMPONENTS MARKED WITH !!!! ARE IMPORTANT FOR MAINTAINING.

THE SAFETY OF THE SET AND SHOULD BE REPLACED ONLY WITH TYPES IDENTICAL TO THOSE IN THE

ORIGINAL OR SPECIFIED ONE IN THE PARTS LIST.

DONT DEGRADE THE SAFETY THROUGH IMPROPER SERVICING.

CONTENTSn BLOCK DIAGRAM �� 2-2

n CIRCUIT DIAGRAM �� 2-3

n PATTERN DIAGRAMS �� 2-5

REVISED

Please throw it out the service manual for AV-14JT5EU/EBU&AV-21JT5EU/EBU issuedin May. 2000,and use this service manual (No.51721 Oct. 2000).

VP0010

MS


No.51721No.51721


2

U101

TUNER

SF101

PICTURES/F

SF102

SOUNDS/F

T401

TRANSDRIVE

Q402

HorizontalTR

I901

TDA6103Q

I501

STV2238

-BUSCONTROL

-PIF

-SIF

-AUDIO/VIDEOSWICHES

-LUMINANCEPROCESSING

-PAL/SECAM/NTSCCHROMADECODER

-DEFLECTIONPROCESSOR

I701

U-COM

WithTELETEXT

ST92195

I702

EEPROM

AT24C16

I704

REMOCON

PREAMP

LED

SW701-705

CONTROL

KEY

ST-BY

CRT

T402

FBT

45V

H.V

I301

TDA1771

I805

STV8131

I703

KA7805

L801

LINEFILTER

T801

TRANSSMPS

133V

133V

I801

POWREMODULE

12V

15V

15V

VID.B+

HEATER

H.OUT

V.OUT

V.SIZE

CVBS

OSDR

OSDG

OSDB

BL

HALHTONE

IF

5V

33V

AGC

DATACLK

SCARTJACK

POWER

JS02

AVJACK

AFC

H.SYNC

V.SYNC

S.MUTE

SCREEN

8V

5V

ST-BY5V

Q701

RESETSW

RESET5V

REMOTE

LED

KEY_IN

IRSCL

SDA

5V

8V

VccdVcc_ifHVcc1Vcc2

A.IN

V.IN

R G B

R G B

SPEAKER

CVBSOUT

EXTV.IN

EXTR,G,B

EXTA.IN

EXTA.OUT

H.V

FOCUS

SCREEN

VID.B+

ABL

HOR.VERT.

D/G

COIL

I601

TDA7267A

VerticalDeflectionCircuit

AudioAmplifierCircuit

DisableVoltageRegulator

12V

27V

AC220V

50Hz

RFINPUT

ANTENNA

PW

ON(H)

133V

12V

Q801

FET SD

S

3W

8OHM

SPEAKER

3W

8OHM

2SPKOPTION

JS01

2-2

BLOCK DIAGRAM

2-7

DIFFERENCE LIST

! SYMBOL AV-14JT5EU AV-14JT5EBU AV-21JT5EU AV-21JT5EBU! CRTiI.T.C.) 4859608640 4859629360C ! DEG COIL 58G0000084 58G0000074

PWB ASSY PTMPMSA616J PTMPMSA618J PTMPMSD616J PTMPMSD618J R401 × 1W 2.7K

! R403 2W 4.3 2W 2.2 R809 1/4 10K 1/4 36K RC301 1/10 360 1/10 510RC302 1/10 2.4K 1/10 2.2K RC304 1/10 2.7K 1/10 3K RC405 1/10 3.6K 1/10 5.6K RC406 × 1/10 5.6K RC529 1/10 270 1/10 100 RC530 1/10 270 1/10 100 RC531 1/10 270 1/10 100 RC822 1/10 130K 1/10 27K RC902 1/10 3K 1/10 2.7K RC903 1/10 3K 1/10 2.7K RC904 1/10 3K 1/10 2.7K C304 50V 22 50V 10C401 200V 0.36 200V 0.18

! C404 1.6KV 6900P 1.6KV 6600P C407 × 500V 560PL402 × 58H0000052 D816 DTZX3V9B-- DMTZJ10B-- J008 JUMPER ×J137 JUMPER ×

! CRT SOCKET 4859303430 4859303530 SF101 5PG3962M-- 5PK7257M-- 5PG3962M-- 5PK7257M--I701 1DW195DE5Q 1DW195CR3Q 1DW195DE5Q 1DW195CR3Q



No.51721 No.51721

3

2-3 2-4

CIRCUIT DIAGRAM [REFER TO PAGE 7 : DIFFERENCE LIST & WAVEFORMS]



No.51721 No.51721

4

FRONT

TOP

TP-91(B1)

TP-E

CRT SOCKET PWB PATTERN

2-5 2-6

PATTERN DIAGRAMS MAIN PWB PATTERN

NOTEWARNINGPRODUCT SAFETY NOTEBLOCK DIAGRAMCIRCUIT DIAGRAMPATTERN DIAGRAMS

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