LG 42LX6500 Service Manual

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Service manual (54 pages)

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SERVICE MANUAL

CHASSIS : LD03R

MODEL: 42LX6500/650N

MODEL:

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

P/NO : MFL63748401 (1006-REV01)

42LX6800/6900

INPUT

North/Latin America

Europe/Africa

Asia/Oceania

42X6500/650N-ZD

42X6800/6900-ZD

Internal Use Only

http://aic.lgservice.com

http://eic.lgservice.com

http://biz.lgservice.com

Printed in Korea

Table of Contents

Summary of Contents for LG 42LX6500

Page 1: Service Manual
Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LED LCD TV SERVICE MANUAL CHASSIS : LD03R MODEL: 42LX6500/650N 42X6500/650N-ZD MODEL: 42LX6800/6900 42X6800/6900-ZD CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MENU INPUT P/NO : MFL63748401 (1006-REV01)
Page 2: Table Of Contents
SPECIFICATION ..................4 ADJUSTMENT INSTRUCTION ..............8 BLOCK DIAGRAM.................. 17 EXPLODED VIEW .................. 19 SCHEMATIC CIRCUIT DIAGRAM .............. Copyright © 2010 LG Electronics. Inc. All rights 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 © 2010 LG Electronics. Inc. All rights reserved. - 3 - LGE Internal Use Only Only for training and service purposes...
Page 4: Specification
973.2 (H) x 566.2 (V) x 10.8 mm(D) Pixel Pitch 0.4845 (H) x 0.4845 (V) Back Light LED(EDGE) Display Colors 1.06 B(true) colors Coating Copyright © 2010 LG Electronics. Inc. All rights reserved. - 4 - LGE Internal Use Only Only for training and service purposes...
Page 5 1920x1080 33.75 60.00 HDTV 1080i 1920x1080 33.72 59.94 HDTV 1080i 1920x1080 56.250 HDTV 1080p 1920x1080 67.5 HDTV 1080p Copyright © 2010 LG Electronics. Inc. All rights reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
Page 6: Hdmi Input
59.8 84.75 WXGA HDCP 1280*1024 63.595 60.0 108.875 SXGA HDCP/FHD model 1920*1080 67.5 60.00 138.625 WUXGA HDCP/FHD model Copyright © 2010 LG Electronics. Inc. All rights reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
Page 7 Top & Bottom Checkerboard (4) 3D Input mode Side by Side Top & Bottom Checkerboard Single Frame Sequential Frame Packing Copyright © 2010 LG Electronics. Inc. All rights reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
Page 8: Adjustment Instruction
- Pattern : Horizontal 100% Color Bar Pattern - Pattern level : 0.7±0.1 Vp-p - Image Connect: PCBA Jig-> RS-232C Port== PC-> RS-232C Port Copyright © 2010 LG Electronics. Inc. All rights reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
Page 9 Po w e r I n p u t Power Input Po w e r Blo ck Liquid Crys tal Row Li ne Copyright © 2010 LG Electronics. Inc. All rights reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
Page 10 Check the model name Instart menu -> Factory name displayed (ex 42LE7500-ZA) e. Check the Diagnostics (DTV country only) -> Buyer model displayed (ex 42LE7500-ZA) Copyright © 2010 LG Electronics. Inc. All rights reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
Page 11 Input mode. 6) If ADC calibration is failure, after recheck ADC pattern or condition retry calibration Error message refer to 5). Copyright © 2010 LG Electronics. Inc. All rights reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
Page 12: White Balance Adjustment
B-Gain Color Analyzer Matrix should be calibrated using CS-1000 R-Cut G-Cut B-Cut Warm R-Gain G-Gain B-Gain R-Cut G-Cut Copyright © 2010 LG Electronics. Inc. All rights reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
Page 13 COOL 0.269 0.273 13000 K 0.0000 MEDIUM 0.285 0.293 9300 K 0.0000 WARM 0.313 0.329 6500 K 0.0000 Copyright © 2010 LG Electronics. Inc. All rights reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
Page 14 Step 6) Confirm that “ok” pop up. If change is not seen, replace Eye Q II sensor. 3) Don’t wear a 3D Glasses, Check the picture like below. Copyright © 2010 LG Electronics. Inc. All rights reserved. - 14 - LGE Internal Use Only...
Page 15 After final inspection, press IN-STOP key of the Adj. R/C and Impedance) AVL On check that the unit goes to Stand-by mode. Clear Voice On Copyright © 2010 LG Electronics. Inc. All rights reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
Page 16 1) Push "IN-START" key in service remote control. 2) Select "Tool Option 1" and Push “OK” button. 3) Push in the number. (Each model has their number.) Copyright © 2010 LG Electronics. Inc. All rights reserved. - 16 - LGE Internal Use Only...
Page 19: Exploded View
X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright LG Electronics. Inc. All rights reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
Page 20 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. BCM3556 & NAND FLASH Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 21 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. BCM3556 AUD_IN/LVDS Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 22 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. BCM3556 VIDEO IN Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 23 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR HONG YEON HYUK THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. DDR Memory Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 24 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. ETC SUB BOARD I/F Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 25 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR MOTION_REMOCON THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 26 GP2_BCM_ATSC ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. AMP_SUB_NTP Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 27 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LG_LOGO_LE9500 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 28 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR 3D_IR_GENDER THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 29 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. ner ( Full Nim ) Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 30 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 © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 31 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. ETC SUB BOARD I/F Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 32 EUROBBTV 2009.06.18 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 33 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LG5111 60Hz LVDS THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 34 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Interface for LG5111 Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 35 BCM (EUROBBTV) ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. POWER Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 36 GP2_Saturn7M ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. MICOM Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 37 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 © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 38 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LEE GI YOUNG THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. HDMI Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 39 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. ETC SUB BOARD I/F Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 40 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. SIDE_GENDER Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 41 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. WIRELESS Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 42 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR KIM JONG HYUN THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. NTP7000 Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 43 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LG5111 (L.D.) from BCM Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 44 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. D LG1120(FRC 240Hz Chip) Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 45 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. DDR2 SDRAM Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 46 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR FRC & FPGA Power Block THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 47 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 240Hz T-Con (Master,Left) Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 48 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 240Hz T-Con(Slave,Right) Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 49 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR Power Block (TCON) THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 50 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR Power Block (TCON) THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 51 2009. 11. 13 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Interface Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 52 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. EP3C55_C6N (FPGA IC) Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 53 2009. 11. 13 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. DDR2 Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

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LG 42LX6500 Service Manual

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SERVICE MANUAL

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