JVC InteriArt AV-29QT4SU Bedienungsanleitung

SERVICE MANUAL

2006/7

COLOUR TELEVISION

YA085C20067

AV-29QT4SU/D

TABLE OF CONTENTS

1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17

DVD

RM-C1512

VCR

132

465

798

ZOOM

PICTURE

MENUAV

1-2 (No.YA085C)

SPECIFICATION

Design & specifications are subject to change without notice.

Item Content

Dimensions ( W ×H ×D ) 78.5cm ×61.5cm ×50cm

Mass 41.1kg

TV RF System B/G, D/K, I, L/L'

Colour System TV Mode PAL / SECAM

Video Mode PAL / SECAM / NTSC 3.58 / NTSC 4.43

Sound System A2 (B/G, D/K), NICAM (B/G, D/K, I, L/L')

Teletext System Fastext / TOP

Tuning System Frequency synthesizer tuning system

Receiving Frequency VHF(VL)

VHF(VH)

UHF

CATV

46.25MHz - 168.25MHz

175.25MHz - 463.25MHz

471.25MHz - 863.25MHz

S01 - S41

Intermediate Frequency VIF

SIF

38.9MHz (B/G, D/K, L) / 33.9MHz (L')

33.4MHz (5.5MHz:B/G) / 32.9MHz (6.0MHz:I) /

32.4MHz (6.5MHz:D/K, L) / 40.4MHz (6.5MHz:L')

Colour Sub Carrier Frequency PAL

SECAM

NTSC

4.43MHz

4.40625MHz / 4.43MHz

3.58MHz / 4.43MHz

Power Input AC220V - AC240V, 50Hz

Power Consumption 130W (Max) / 3W (Standby)

Aerial Input Terminal 75Ωunbalanced, coaxial

Picture Tube Size Visible size : 68cm (29”), Measured diagonally (H: 54.1cm ×V: 40.6cm)

High Voltage 30.0kV (at zero bean current)

Speaker 5.7cm ×12.6cm, Oval type ×2 / 5.1cm Round type (tweeter) ×2

Audio Output 10W + 10W (THD10%)

EXT-1 Input / Output 21-pin Euro connector (SCRAT socket) ×1

EXT-2 Input / Output 21-pin Euro connector (SCRAT socket) ×1

EXT-3 Input Video

Audio (L/R)

1V(p-p) 75Ω, RCA pin jack ×1

500mV(rms) (-4dBs), High Impedance, RCA pin jack ×2

Headphone jack Stereo mini jack 3.5mm

Remote Control Unit RM-C1512 (AA/R06 dry battery ×2)

(No.YA085C)1-3

SECTION 1

PRECAUTION

Please refer to "AV-29QT4SU/A (No.YA085)" about this section.

SECTION 2

SPECIFIC SERVICE INSTRUCTIONS

Please refer to "AV-29QT4SU/A (No.YA085)" about this section except a written item.

2.1 Supplementary

AV-29QT4SU/D is the models whose picture tube and some PWB were changed based on AV-29QT4SU/A.

Therefore, this service manual describes only the items which differ from those of the AV-29QT4SU/A service manual.

For details other than those described in this manual, please refer to the AV-29QT4SU/A service manual(No.YA085, 2005/2).

2.2 HOW TO IDENTIFY NEW MODELS

"Distinguish name" is added at the bottom of the Rating label.

2.3 DIFFERENCE LIST

SPECIFICATION

USING P.W.BOARD

Item Content

AV-29QT4SU/A AV-29QT4SU/D

Mass 41.7kg 41.1kg

High Voltage 31.2kV 30.0kV

P.W.B ASS'Y Name AV-29QT4SU/A AV-29QT4SU/D DESCRIPTION

MAIN P.W.B VE-20161071 VE-20265029

CRT SOCKET P.W.B VE-20173278 VE-20247134

AV & HEADHPONE P.W.B VE-20166292 VE-20226778

POWER SWITCH P.W.B VE-20160993 VE-20209386

xxxxxxx xx

DISTINGUISH NAME

1-4 (No.YA085C)

SECTION 3

DISASSEMBLY

3.1 DISASSEMBLY PROCEDURE

3.1.1 REMOVING THE REAR COVER

(1) Unplug the power cord.

(2) Remove the 8 screws [A].

(3) Remove the 4 screw [B].

(4) Withdraw the REAR COVER toward you.

3.1.2 REMOVING THE BACK DOOR

• Remove the REAR COVER.

(1) Remove the 2 screws [C].

(2) Withdraw the BACK DOOR toward you.

3.1.3 REMOVING THE CHASSIS

• Remove the REAR COVER.

(1) Slightly raise the both sides of the CHASSIS FRAME by hand.

(2) Withdraw the CHASSIS FRAME backward.

(If necessary, take off the wire clamp, connectors etc.)

3.1.4 REMOVING THE MAIN PWB

• Remove the REAR COVER.

• Remove the BACK DOOR.

• Remove the CHASSIS.

(1) Remove the 6 screws [D].

(2) Remove the MAIN PWB.

[CAUTION]

If necessary, take off the wire clamp, connectors etc.

Be careful enough when developing the MAIN PWB.

3.1.5 REMOVING THE SIDE CONTROL PWB

• Remove the REAR COVER.

(1) Remove the 2 screws [E].

(2) Remove the SIDE CONTROL PWB.

3.1.6 REMOVING THE AV & HEADPHONE PWB

• Remove the REAR COVER.

(1) Remove the 1 screws [F].

(2) Remove the AV & HEADPHONE PWB.

3.1.7 REMOVING THE POWER SW PWB

• Remove the REAR COVER.

• Remove the CHASSIS.

(1) Remove the 2 screws [G].

(2) Remove the POWER SW PWB.

3.1.8 REMOVING THE LED PWB

• Remove the REAR COVER.

• Remove the CHASSIS.

• Remove the POWER SW PWB.

(1) Remove the 2 screws [H].

(2) Remove the LED PWB.

3.1.9 REMOVING THE MAIN SPEAKER & TWEETER

• Remove the REAR COVER.

• Remove the CHASSIS.

(1) Remove the 4 screws [J].

(2) Remove the MAIN SPEAKER.

(3) Remove the 2 screws [K].

(4) Remove the TWEETER.

(5) Remove the opposite side similarly.

3.1.10 CHECKING THE PW BOARD

• To check the back side of the PW Board.

(1) Pull out the PW Board. (Refer to REMOVING THE MAIN

PWB).

(2) Erect the PW Board vertically so that you can easily check

the back side of the PWB.

[CAUTION]

• When erecting the PW Board, be careful so that there will be

no contacting with other PW Board.

• Before turning on power, make sure that the wire connector

is properly connected.

• When conducting a check with power supplied, be sure to

confirm that the CRT EARTH WIRE (BRAIDED ASS'Y) is

connected to the CRT SOCKET PWB.

3.1.11 WIRE CLAMPING AND CABLE TYING

(1) Be sure to clamp the wire.

(2) Never remove the cable tie used for tying the wires

together.

Should it be inadvertently removed, be sure to tie the wires

with a new cable tie.

(No.YA085C)1-5

Fig.1

LED PWB

AV &

HEADPHONE

PWB

SIDE CONTROL

PWB

CRT SOCKET

PWB

FRONT CABINET

PICTURE TUBE

REAR COVER

POWER SW

PWB

MAIN PWB

SPEAKER

(MAIN)

SPEAKER

(TWEETER)

CHASSIS FRAME

BACK DOOR

POWER CORD

FUNCTION

BUTTON

1-6 (No.YA085C)

3.2 REPLACEMENT OF MEMORY IC

3.2.1 MEMORY IC

This model use a memory IC. This memory IC stores data for proper operation of the video and deflection circuits.

When replacing, be sure to use an IC containing this (initial vaue)data.

3.2.2 PROCEDURE FOR REPLACING MEMORY IC

PROCEDURE

1. Power off

Switch the power off and unplug the power cord from the outlet.

2. Replace IC.

Be sure to use memory IC written with the initial data values.

3. Power on

Plug the power cord into the outlet and switch the power on.

4. SERVICE MENU setting

(1) Press [MUTING] key and [INFORMATION] key at the

simultaneously.

(2) The SERVICE MENU screen of Fig. 1 will be

displayed.

(3) Verify what to set in the SERVICE MENU, and set

whatever is necessary. Refer to the SERVICE AD-

JUSTMENT for setting.

(4) Press the [MENU] key to exit SERVICE MENU.

5. Receive channel setting

Refer to the OPERATING INSTRUCTIONS (USER'S

GUIDE) and set the receive channels (Channels Preset) as

described.

6. User settings

Check the user setting items according to after page.

Where these do not agree, refer to the OPERATING

INSTRUCTIONS (USER'S GUIDE) and set the items as

described.

Fig.1

Fig.2

AK49-0.0.104-JVC-GRA

224

225

226

227

001

002

003

005

000

079

OFF

001

SAVEFS

LOADFS

DCXO

DCXOA

FAPS

ISPM

INIT

AGCSPD

006 033AGCTO

SERVICE MODE SCREEN

MUTING key

INFORMATION key

UP / DOWN

[ ]/[ ] key

MENU key

LEFT / RIGHT

[ ]/[ ] key

SERVICE MENU SELECT KEY

(No.YA085C)1-7

3.2.3 SETTINGS OF FACTORY SHIPMENT

3.2.3.1 BUTTON OPERATION 3.2.3.2 REMOTE CONTROL DIRECT OPERATION

3.2.3.3 REMOTE CONTROL MENU OPERATION

(1) PICTURE

(2) SOUND

(3) FEATURE

(4) INSTALLATION

Setting item Setting position

POWER Off

CHANNEL PR1

Setting item Setting position

CHANNEL PR1

ZOOM AUTO

Hyper Sound OFF

Setting item Setting position

PICTURE MODE BRIGHT

COLOUR TEMP COOL

VNR AUTO

VCR MODE OFF

Setting item Setting position

BALANCE CENTRE

SOUND MODE STEREO

Setting item Setting position

SLEEP TIMER OFF

CHILD LOCK OFF

LANGUAGE ENGLISH

EXT-2 OUTPUT TV

BLUE BACK ON

Setting item Setting position

COLOUR SYSTEM AUTO

DECODER (EXT2) ON

FINE TUNING CENTRE

1-8 (No.YA085C)

SECTION 4

ADJUSTMENT

4.1 ADJUSTMENT PREPARATION

(1) You can make the necessary adjustments for this unit with

either the Remote Control Unit or with the adjustment tools

and parts as given below.

(2) Adjustment with the Remote Control Unit is made on the

basis of the initial setting values, however, the new setting

values which set the screen to its optimum condition may

differ from the initial settings.

(3) Make sure that AC power is turned on correctly.

(4) Turn on the power for set and test equipment before use,

and start the adjustment procedures after waiting at least

30 minutes.

(5) Unless otherwise specified, prepare the most suitable

reception or input signal for adjustment.

(6) Never touch any adjustment parts which are not specified

in the list for this adjustment - variable resistors,

transformers, condensers, etc.

(7) Presetting before adjustment.

Unless otherwise specified in the adjustment instructions,

preset the following functions with the remote control unit:

4.2 MEASURING EQUIPMENT

(1) Signal generator (Pattern generator)

[PAL / SECAM / NTSC]

(2) Remote control unit

4.3 ADJUSTMENT ITEM

• FOCUS ADJUSTMENT

• SCREEN ADJUSTMENT

• DEFLECTION CIRCUIT ADJUSTMENT

4.4 ADJUSTMENT LOCATIONS

Setting item Setting value

BRIGHTNESS

CENTRE

CONTRAST

COLOUR

SHARPNESS

COLOUR TEMP NORMAL

ZOOM AUTO

SIDE CONTROL

PWB

AV &

HEADPHONE

PWB

TUNER

TU100

IC101

MEMORY

MAIN PWB

FRONT

TOP

FBT

UPPER : FOCUS

LOWER : SCREEN

TOP

P/Ch

VIDEO

HEADPHONE

FUSE

POWER SW

LED PWB

POWER SW PWB

TOP

EXT-1(SCART)

EXT-2(SCART)

IR RECEIVERLED

(SOLDER SIDE)

CRT SOCKET PWB

(SOLDER SIDE)

FRONT

DEG COIL

PFC COIL

DEF YOKE

POWER CORD

SPEAKER

PL101

PL102

PL902

PL901

PL105

PL104

PL106

PL107

PL103

PL605

PL115

PL116

PL401

PL404

PL801

PL802

PL800

PL602

PL603

PL105

(No.YA085C)1-9

4.5 BASIC OPERATION OF SERVICE MODE

4.5.1 HOW TO ENTER THE SERVICE MODE

(1) Press the [INFORMATION] key and [MUTING] key simultaneously.

(2) The SERVICE MENU screen will be displayed.(Fig.1)

Fig.1

4.5.2 SELECTION OF ADJUSTMENT ITEMS

(1) Enter the SERVICE MODE

(2) Press the FUNCTION []/[] key to select the adjustment

item.

(3) Press the FUNCTION []/[] key to set the setting value.

4.5.3 HOW TO EXIT SERVICE MODE

(1) Press the [MENU] key.

AK49-0.0.104-JVC-GRA

224

225

226

227

001

002

003

005

000

079

OFF

001

SAVEFS

LOADFS

DCXO

DCXOA

FAPS

ISPM

INIT

AGCSPD

006 033AGCTO

SETTING VALUEADJUSTMENT ITEM

SERVICE MENU

MUTING key

INFORMATION key

UP / DOWN

[ ]/[ ] key

MENU key

LEFT / RIGHT

[ ]/[ ] key

SERVICE MENU SELECT KEY

1-10 (No.YA085C)

4.6 INITIAL SETTING VALUES IN THE SERVICE MODE

Item

No. Item name Variable range Setting value

001 FAPS --- ---

002 ISPM ON/OFF OFF

003 INIT ON/OFF OFF

005 AGCSPD 000 - 003 001

006 AGCTO 000 - 063 033

007 COFF --- ---

008 VSD 000 - 063 031

009 VG2 000 - 063 031

010 TUBE 000 = 16:9 001

001 = 4:3

011 VERT ZOOM 000 - 063 035

012 VERT SLOP 000 - 063 037

013 VERT SHIFT 000 - 063 025

014 VERT AMP 000 - 063 033

015 SCORRECTION 000 - 063 032

016 V-LINC 000 - 002 000

017 V-LINEARTY 000 - 063 032

018 EW WIDTH 000 - 063 018

019 HOR SHIFT 000 - 063 031

020 EW PARAB 000 - 063 035

021 TRAPEZ 000 - 063 030

022 UC PARAB 000 - 063 013

023 LC PARAB 000 - 063 016

024 HOR BOW 000 - 063 042

025 PARALLEL 000 - 063 033

026 WBF 000 - 015 014

027 WBR 000 - 015 010

028 WBF14 000 - 015 014

029 WBR14 000 - 015 013

030 60HZ EWW 000 - 063 034

031 60HZ HSH 000 - 063 037

032 60HZ VSH 000 - 063 031

033 60HZ VZ 000 - 063 035

034 ROT 000 - 063 049

035 ROT-M 000 - 001 000

036 OIF 000 - 063 032

037 IF 000 - 007 002

038 OFR 000 - 001 000

039 FFI 000 - 001 000

040 BS1 000 - 015 001

041 BS2 000 - 015 002

042 BS3 000 - 015 008

043 CB 000 - 255 142

044 B1-H 000 - 255 011

045 B1-L 000 - 255 082

046 B2-H 000 - 255 030

047 B2-L 000 - 255 002

048 FRAV 000 - 003 001

049 YSCM 000 - 015 012

050 YNTS 000 - 015 002

051 YPAL 000 - 015 012

052 YAV1 000 - 015 012

053 YAV2 000 - 015 012

054 Y_S1 000 - 015 012

055 Y_S2 000 - 015 012

056 COMB 000 = Not active 000

001 = Active

058 BLCS 000 = Disable 000

001 = Enable

059 BLUS 000 = Disable 000

001 = Enable

060 WHTS 000 - 003 000

061 CLPR 000 - 003 000

062 OVSH 000 - 003 000

063 TNTD 000 - 063 032

064 SVMA ON/OFF OFF

065 SVM 000 - 007 004

066 VMA

000:OFF

001

001:0.8 Vp-p

002:1.2 Vp-p

003:1.8 Vp-p

067 SMD

000:OFF

001

001:Video

002:TXT/OSD

003:Video/OSD

068 SOPW 000 - 003 003

069 SOTM 000 - 007 007

070 WPRC 000 - 063 032

071 WPGC 000 - 063 032

072 WPBC 000 - 063 031

073 BLORC 000 - 063 033

074 BLOGC 000 - 063 033

075 WPRN 000 - 063 037

076 WPGN 000 - 063 032

077 WPBN 000 - 063 019

078 BLRB-RGB 000 - 063 033

079 BLG-RGB 000 - 063 033

080 WPRW 000 - 063 049

081 WPGW 000 - 063 040

082 WPBW 000 - 063 025

083 BLRB-YUV 000 - 063 033

084 BLG-YUV 000 - 063 033

085 WPR-RGB 000 - 063 032

086 WPG-RGB 000 - 063 040

087 WPB-RGB 000 - 063 032

088 OSO ON/OFF ON

Item

No. Item name Variable range Setting value

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