LG 42PG6000 Service Manual

Chassis : pd81a

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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 : PD81A MODEL : 42PG6000 42PG6000-ZA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Page 2: Table Of Contents
SPECIFICATION ..................4 ADJUSTMENT INSTRUCTION ..............6 TROUBLE SHOOTING ................11 BLOCK DIAGRAM...................20 EXPLODED VIEW .................. 30 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
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. - 4 - LGE Internal Use Only Only for training and service purposes...
Page 5 Audio Input (3EA) RGB/DVI Audio, Component, AV SPDIF Out(1EA) SPDIF OUT Side(X-Studio Only PG60 Series) For SVC, S/W Download, X-Studio Copyright©2008 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
Page 6: Adjustment Instruction
(3) Select model name by using (CH+/-)and press (3) S/W download process is executed automatically. ENTER( Model Name Model Option Value 42PG6000-ZA 56000000 Copyright©2008 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
Page 7 But it works abnormally, “No CA module” words display on screen. * Set up “RF mode” before launching products. Copyright©2008 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
Page 8: Adjustment Method
CS-1000 CA-100+(CH.10) CA-210(CH.10) 0.313 0.313±0.002 0.313±0.002 (Fig.1) Connection diagram of power adjustment for measuring 0.329 0.329±0.002 0.329±0.002 0.003 0.003 0.003 Copyright©2008 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
Page 9 (1) Push the menu button in DTV mode. (2) Select the SETUP -> Diagnostics -> To set. (3) Check the Serial Number. Copyright©2008 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
Page 10 15. Flash Memory Download 15-1. Configuration Environment (1) This adjustment is setting factory shipment mode. (2) Push the IN-STOP key of adjustment remote controller before (1) To installation the ‘LG Term’, extract ‘lgterm.zip’ to a folder. the factory shipment. (2) Execute ‘lgterm.exe’. Item...
Page 11: 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. - 11 - LGE Internal Use Only Only for training and service purposes...
Page 12 9/10 11/12 13/14 15/16 17/18 5V_MNT AC_DET 19/20 RL_ON VaVs_ON Wafer P/N YH396-03P YH396-10P YH396-10P 21/22 M5V_ON SMW200-22C Wafer P/N Copyright©2008 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
Page 13 VSC Board though Cable connected? Measure output voltages(16V,12V,5V) on the power board. If the measured values is not normal, replace power board. Copyright©2008 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
Page 14 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. - 14 - LGE Internal Use Only Only for training and service purposes...
Page 15 1. Check the Monitor OUT by SCART2 : Connect the another TV set VSC B/D. normal? 2. Check the LVDS clock(R537,R538) on the VSC Borad by Oscilloscope? Replace FLI106X0H IC(IC100) Copyright©2008 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
Page 16 1. Check the LED on the Ctrl Board Replace the Ctrl B/D 2. Check the 5V_ON on the Power Board by the DMM. Copyright©2008 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
Page 17 Check the input source of Equipment 1. Check the CVBS signal in AV jack by Oscilloscope Same as Block A Copyright©2008 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
Page 18 (7) In the case of becomes unusual display from SCART mode Is Video input of A/V jack normal? Check the input source. Same as Block A Copyright©2008 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
Page 19 PC(PC_LIN: R631, PC_RIN : R630) Component (COMP_LIN : R1178, COMP_RIN: R1179) Replace the Audio AMP IC (IC601). Replace the VSC Board Copyright©2008 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
Page 20: Block Diagram
BLOCK DIAGRAM NLASB3157 IC1013 NLASB3157 IC502 74LVC542A5 74LCX244MTC Bi-Buffer Buffer IC405 IC406,407,408 PCMCIA Card 74LVC541A(PW) Buffer IC402 Tuner (TDFV-G135D1) TU301 Copyright©2008 LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
Page 30: 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 31 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC . Copyright©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 32 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR 16 V UCOM_T X THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC . External Jack Copyright©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 33 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC . PRINTED CIRCUIT BOARD MAIN(BOTTOM) MAIN(TOP) PREAMP B/D(TOP) Control B/D(TOP) PREAMP B/D(BOTTOM) Control B/D(BOTTOM) Copyright©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 34 Aug., 2008 P/NO : MFL41181004 Printed in Korea...

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LG 42PG6000 Service Manual

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