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JVC PD-42V31BJE Service Manual
JVC PD-42V31BJE Service Manual

JVC PD-42V31BJE Service Manual

Pdp colour television
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SERVICE MANUAL
1
2006
YA013C
Please be informed that the related contents are added due to the change of the PWB in the PDP Unit.
Therefore, this service manual describes only the items which differ from those of the PD-42V31BJE,
PD-42V31BSE and PD-42V31BUE service manual.
For details other than those described in this manual, please refer to the PD-42V31BJE, PD-42V31BSE and
PD-42V31BUE service manual (No.YA013, 2003/9)(No.YA013B, 2004/6).
HOW TO IDENTIFY TYPES OF THE PDP PANEL
There are 3 types of PDP used with this model. Make sure to confirm the type of the panel before performing the procedure as the
adjustment value varies according to the panel type. Refer to the below table and identify the PDP in accordance with he panel base
material and the serial No.
Panel base material
ALIMINUM DIE-CAST
ALIMINUM PRESS PLATE
PDP COLOUR TELEVISION
PD-42V31BJE,
PD-42V31BSE,
PD-42V31BUE
Supplementary
Types of the PDP
ALIMINUM DIE-CAST TYPE
ALIMINUM PRESS PLATE-A TYPE
ALIMINUM PRESS PLATE-B TYPE
COPYRIGHT © 2006 Victor Company of Japan, Limited
BASIC CHASSIS
How to identify types of the PDP
-----
PANEL SERIAL 1213 xxxx xxxx
PANEL SERIAL 1223 xxxx xxxx
MK
No.YA013C
2006/1

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Summary of Contents for JVC PD-42V31BJE

  • Page 1 Therefore, this service manual describes only the items which differ from those of the PD-42V31BJE, PD-42V31BSE and PD-42V31BUE service manual. For details other than those described in this manual, please refer to the PD-42V31BJE, PD-42V31BSE and PD-42V31BUE service manual (No.YA013, 2003/9)(No.YA013B, 2004/6).
  • Page 2: Specific Service Instructions

    QLE0023-002 QLE0023-003 LJ92-00944B LJ92-01058B SECTION 1 PRECAUTION Please refer to "PD-42V31BJE, PD-42V31BSE and PD-42V31BUE (No.YA013)" about this section. SECTION 2 SPECIFIC SERVICE INSTRUCTIONS Please refer to "PD-42V31BJE, PD-42V31BSE and PD-42V31BUE (No.YA013)" about this section. SECTION 3 DISASSEMBLY Please refer to "PD-42V31BJE, PD-42V31BSE and PD-42V31BUE (No.YA013)" about this section.
  • Page 3 SECTION 4 ADJUSTMENT ADJUSTMENT AFTER THE Y-MAIN PWB REPLACEMENT < An example of misadjustment of the Y-MAIN PWB > Faulty light emission occurrence 4.1.1 THE LOCATION OF THE PWB IN THE PDP UNIT X-MAIN PWB PDP (PANEL) UNIT G-BUFFER PWB F-BUFFER PWB Y-BUFFER-U PWB LOGIC-MAIN PWB...
  • Page 4 4.1.2 ADJUSTMENT ITEMS AND TESTING POINTS ON THE Y-MAIN PWB [LJ92-00759A] VR5004 TP VSCH TP OUT4 Rear of set VR5001 VR5003 VR5002 1-4 (No.YA013C)
  • Page 5 4.1.3 ADJUSTMENT ITEMS AND TESTING POINTS ON THE Y-MAIN PWB [LJ92-00944B] VR5004 TP VSCH TP OUT4 Rear of set VR5001 VR5003 VR5002 (No.YA013C)1-5...
  • Page 6 4.1.4 ADJUSTMENT ITEMS AND TESTING POINTS ON THE Y-MAIN PWB [LJ92-00759A-S] [LJ92-01058B] VR5004 TP VSCH (There is nothing written on the PWB) TP OUT4 Rear of set VR5001 VR5003 VR5002 1-6 (No.YA013C)
  • Page 7 4.1.5 ADJUSTMENT PROCEDURE There are 3 types of PDP used with this model. Be careful as the adjustment values are different according to the types of the panel. The types of the PDP are as shown in the table below. Types of the PDP How to identify types of the PDP ALIMINUM DIE-CAST TYPE...
  • Page 8 4.1.6 ADJUSTMENT FOR THE ALIMINUM DIE-CAST TYPE (1) Connect an oscilloscope to the TP OUT4. (2) Carry out the adjustment from the Step1 through 4 in order. TP VSCH Step1. VR5004 adjustment TEST POINT TP Vsch DC voltmeter 40 V Step2.
  • Page 9 4.1.7 ADJUSTMENT FOR THE ALIMINUM PRESS PLATE-A TYPE [PANEL SERIAL 1213 xxxx xxxx] (1) Connect an oscilloscope to the TP OUT4. (2) Carry out the adjustment from the Step1 through 4 in order. TP VSCH Step1. VR5004 adjustment TEST POINT TP Vsch DC voltmeter 40 V Step2.
  • Page 10 4.1.8 ADJUSTMENT FOR THE ALIMINUM PRESS PLATE-B TYPE [PANEL SERIAL 1223 xxxx xxxx] (1) Connect an oscilloscope to the TP OUT4. (2) Carry out the adjustment from the Step1 through 4 in order. Step1. VR5004 adjustment TEST POINT TP Vsch DC voltmeter 40 V TP VSCH (There is nothing written on the PWB)
  • Page 11: Troubleshooting

    SECTION 5 TROUBLESHOOTING Please refer to "PD-42V31BJE, PD-42V31BSE and PD-42V31BUE (No.YA013)" about this section. (No.YA013C)1-11...
  • Page 12 Victor Company of Japan, Limited Flat Panel Display Category 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA013C) Printed in Japan...

This manual is also suitable for:

Pd-42v31bsePd-42v31bue