LG 42PG2500 Service Manual

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PLASMA TV

SERVICE MANUAL

CHASSIS : PD82A

MODEL : 42PG2500

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

North/Latin America

Europe/Africa

Asia/Oceania

42PG2500-ZA

Internal Use Only

http://aic.lgservice.com

http://eic.lgservice.com

http://biz.lgservice.com

Table of Contents

Summary of Contents for LG 42PG2500

Page 1 Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com PLASMA TV SERVICE MANUAL CHASSIS : PD82A MODEL : 42PG2500 42PG2500-ZA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Page 2: Table Of Contents
SPECIFICATION ..................4 ADJUSTMENT INSTRUCTION ..............7 TROUBLE SHOOTING ................16 BLOCK DIAGRAM...................24 EXPLODED VIEW .................. 25 SVC. SHEET ....................PRINTED CIRCUIT DIAGRAM ..............Copyright©2008 LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes...
Page 3: Safety Precautions
An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright©2008 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...
Page 4: Specification
Market Appliance Remark 50PG6500 France Safety : IEC/EN60065 TEST 42PG6500 : EN55013 50PG4500 : EN55020 50PG7500 42PG3500 50PG3500 42PG2500 50PG2500 Copyright©2008 LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes...
Page 5 : 0~40deg LGE SPEC. 2)Humidity : 20~80% Storage Environment 3)Temp. : -20~60deg 4)Humidity : 10~90% Input Voltage 100-240V~, 50/60Hz Maker LG Copyright©2008 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
Page 6 Component Input (1EA) Y/Cb/Cr, Y/Pb/Pr RGB Input(1EA) RGB-PC HDMI Input(4EA) HDMI-DTV & SOUND Audio Input (3EA PC Audio, Component, AV L/R Input Copyright©2008 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
Page 7: Adjustment Instruction
(PAL-BGDHI) * 720P/50Hz Pattern : 65 Pattern : 65 7 Color Bar 7 Color Bar * PAL 7 Color Bar Copyright©2008 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
Page 8: Adjustment Method
(Fig.4) Connection diagram of power adjustment for measuring display on screen. * Befor power off, input mode must be changed RF mode. Copyright©2008 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
Page 9 2) Load the EDID data.(Open File). [ Analog file ] (for RGB)] [ Digital file ] (for HDMI) Open File Open File Copyright©2008 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
Page 10 00 00 00 FC 00 35 30 50 47 36 35 30 30 0A 20 20 20 20 5. [5]-Checksum (7EH) -> Changeable by total EDID data. Copyright©2008 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only...
Page 11 - After ajing start, keep the power on(no suspension of power supply) and heat-run over 15minutes. - keep white pattern using inside pattern. Copyright©2008 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
Page 12 Model Tool Tool Area Option1 Option2 Option3 Option4 Name Option1 Option2 Option (Fig. 8) Default on OSD 42PG6500 10240 1697 Copyright©2008 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
Page 13 (1) Push the menu button in DTV mode. - Select the STATION-> Diagno stics -> To set. (2) Check the Serial Number. Copyright©2008 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
Page 14: Trouble Shooting
9. Check the Power Manufacture enterprise Module output circuit Module output circuit Board Output high meaning of a passage tension circuit Copyright©2008 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
Page 15 P813 P811 P812 5VSC 5VSC 5V_MNT RL_ON M5V_ON M5V_ON 5V_MNT AC_DET RL_ON VS_ON M5V_ON AUTO_GND Description YH396-03 SMH200-22P YH396-10P YH396-10P Copyright©2008 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
Page 16 Power Board(except the SC101 connection cable), the AC voltage marking is authorized on manual. When ST-BY 5V is not operated, replace Power Board. Copyright©2008 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
Page 17 After crisis COF of each board, check the normality operates. normal ? If in case normality operates, correspondence COF Fail is replace the module. Copyright©2008 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
Page 18 Check the PDP Module Reconnect the LVDS Is the LVDC cable normal? cable in P800 Is the IC700(FLI8548) Replace the VSC. Output normal? Copyright©2008 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
Page 19 Replace hte VSC B/D IC(IC700) Operates ? normal? Replace FIL8548 IC(IC700) Is the Ctrl Board of Replace Ctrl B/D. Module normal? Copyright©2008 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
Page 20 Check the input source and Cable Jack(JK1203)normal? Is the Input voltage, IIC Is the CXA2069Q normal? Replace the IC. Communication normal? Same as Block A Copyright©2008 LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
Page 21 (8) In the case of becomes unusual display from SCART2 mode Is the Video input od A/V Check the input source Jack(J1201) normal? Same as Block A Copyright©2008 LG Electronics. Inc. All right reserved. - 21 - LGE Internal Use Only Only for training and service purposes...
Page 22 Replace the IC1301 IC1301 operates (except HDMI,DTV,RF) CAX2069 refer to circuit diagram (NTP-3000A) normal? is no sound? Replace the VSC B/D Copyright©2008 LG Electronics. Inc. All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes...
Page 25: 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.
Page 30 MAIN(TOP) CONTROL(TOP) CONTROL(BOTTOM) PRE AMP(TOP) PRE AMP(BOTTOM) MAIN(BOTTOM) Copyright©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 31 Oct., 2008 P/NO : MFL41435507 Printed in Korea...

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42pg2500-za 42pg6500

LG 42PG2500 Service Manual

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