LG Z42PJ240 Series Service Manual

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SERVICE MANUAL

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SAFETY PRECAUTIONS...................................................................2

SPECIFICATION................................................................................3

ADJUSTMENT INSTRUCTION..........................................................8

TROUBLE SHOOTING GUIDE........................................................13

BLOCK DIAGRAM............................................................................45

EXPLODED VIEW............................................................................46

SVC. SHEET

Printed in Korea

PDP TV

PU01A

MFL62881512

2010

CONTENTS

Published Oct. 2003

by Technical Publications

LG Electronics USA, Inc.

201 James Record Road,

Huntsville, Alabama 35824-1513

http//www.zenithservice.com

Model Series:

Z42PJ240

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Summary of Contents for LG Z42PJ240 Series

Page 1: Table Of Contents
SAFETY PRECAUTIONS..............2 SPECIFICATION................3 ADJUSTMENT INSTRUCTION............8 TROUBLE SHOOTING GUIDE............13 BLOCK DIAGRAM................45 EXPLODED VIEW................46 SVC. SHEET Published Oct. 2003 by Technical Publications LG Electronics USA, Inc. 201 James Record Road, Huntsville, Alabama 35824-1513 Copyright © 2003 by Zenith Electronics Corporation Printed in Korea...
Page 2: Safety Precautions
An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright ©2010 LG Electronics Inc. All rights reserved. - 2 - LGE Internal Use Only Only for training and service purposes...
Page 3: Specification
Model Name Market Remark NORTH AMERICA Safety : UL1492, CSA C22.2.No.1 Z42PJ240-UB EMC : FCC Class B, IC Class B Copyright ©2010 LG Electronics Inc. All rights reserved. - 3 - LGE Internal Use Only Only for training and service purposes...
Page 4 2) Humidity : ~ 80 % Storage Environment 1) Temp : -20 deg ~ 60 deg 2) Humidity : 0 % ~ 90 % Copyright ©2010 LG Electronics Inc. All rights reserved. - 4 - LGE Internal Use Only Only for training and service purposes...
Page 5 Meduum:Color temperature 0 0.314 0.329 0.344 Warm:Color temperature W30 - 85IRE(216Gray) 100% Window Brightness uniformity White Pattern - Picture: Vivid(Medium) Copyright ©2010 LG Electronics Inc. All rights reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
Page 6 108.00 VESA (SXGA) 1600*1200 74.537 59.869 161.00 UXGA Only FHD 1920*1080 66.587 59.934 138.50 WUXGA Only FHD (Reduced Blanking) Copyright ©2010 LG Electronics Inc. All rights reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
Page 7 27.000 24.000 HDTV 1080P 1920*1080 26.97 23.94 HDTV 1080P 1920*1080 33.75 30.000 HDTV 1080P 1920*1080 33.71 29.97 HDTV 1080P Copyright ©2010 LG Electronics Inc. All rights reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
Page 8: Adjustment Instruction
(5) Click “Auto” tab and set as below (6) Click “Run”. (7) After downloading, check “OK” message. (7) ÉÉÉ.OK Copyright ©2010 LG Electronics Inc. All rights reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
Page 9 3) After turning VR502,voltage of D.M.M adjustment as same as Va voltage which on label of panel left/top (deviation; ±0.5V) 5. DDC EDID Write Confirmation Copyright ©2010 LG Electronics Inc. All rights reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
Page 10 0.329 0.329±0.002 0.329±0.002 0.003 0.003 0.003 [ PC (for communication through RS-232C) ==> UART Baud rate : 115200 bps Copyright ©2010 LG Electronics Inc. All rights reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
Page 11 [CMD ID DATA] (DEFAULT) Cool Mid Warm Cool Warm R Gain G Gain B Gain R Cut G Cut B Cut Copyright ©2010 LG Electronics Inc. All rights reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
Page 12 Select Model Number by using R/C number(0~9) key or select Model Number by using (VOL +/-) in accordance with destination. Finally press (enter) key. Copyright ©2010 LG Electronics Inc. All rights reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
Page 46: Exploded View
EXPLODED VIEW IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and EXPLODED VIEW. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.

This manual is also suitable for:

Z42pj240-ub

LG Z42PJ240 Series Service Manual

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Summary of Contents for LG Z42PJ240 Series

Page 1: Table Of Contents

Page 2: Safety Precautions

Page 3: Specification

Page 8: Adjustment Instruction

Page 13: Trouble Shooting Guide

Page 45: Block Diagram

Page 46: Exploded View

This manual is also suitable for:

LG Z42PJ240 Series Service Manual

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Questions and answers

Related Manuals for LG Z42PJ240 Series

Summary of Contents for LG Z42PJ240 Series

Page 1: Table Of Contents

Page 2: Safety Precautions

Page 3: Specification

Page 8: Adjustment Instruction

Page 13: Trouble Shooting Guide

Page 45: Block Diagram

Page 46: Exploded View

This manual is also suitable for: