LG 47LD455B Service Manual

Hide thumbs

Table Of Contents

Quick Links

Download this manual

LCD TV

SERVICE MANUAL

CHASSIS : LC01W

MODEL : 47LD455B

MODEL :

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

P/NO : MFL62864856 (1105-REV00)

North/Latin America

Europe/Africa

Asia/Oceania

47LD455H

Internal Use Only

http://aic.lgservice.com

http://eic.lgservice.com

http://biz.lgservice.com

47LD455B-CA

47LD455H-CA

Printed in Korea

Table of Contents

Summary of Contents for LG 47LD455B

Page 1 North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LCD TV SERVICE MANUAL CHASSIS : LC01W MODEL : 47LD455B 47LD455B-CA MODEL : 47LD455H 47LD455H-CA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL62864856 (1105-REV00) Printed in Korea...
Page 2: Table Of Contents
SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION ..............8 BLOCK DIAGRAM.................. 13 EXPLODED VIEW .................. 15 SCHEMATIC CIRCUIT DIAGRAM .............. Copyright © 2011 LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes...
Page 3: Product Safety
An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright © 2011 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...
Page 5 CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Copyright © 2011 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
Page 6: Specification
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 © 2011 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
Page 7: Hdmi Input
84.75 WXGA HDCP 1280*1024 63.595 60.0 108.875 SXGA HDCP, FHD model 1920*1080 67.5 148.5 WUXGA HDCP, FHD model Copyright © 2011 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
Page 8: Adjustment Instruction
If “Error” is displayed, check connection between computer, jig, and set. Please Check the Speed : To use speed between from 200KHz to 400KHz Copyright © 2011 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
Page 9 4) RGB (PC : 1024 x 768 @ 60hz) 5) HDMI 1/2/3 6) PC Audio In * Display and Sound check is executed by remote control. Copyright © 2011 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
Page 10 • Check whether written EDID data is correct or not. * For Service main Assembly, EDID have to be downloaded to Insert Process in advance. Copyright © 2011 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only...
Page 12 Confirm whether is normal or not when between power board's ac block and GND is impacted on 1.5kV(dc) or 2.2kV(dc) for one second. Copyright © 2011 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
Page 15: 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. Do not modify the original design without permission of manufacturer. Copyright © 2011 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only...
Page 16 V e r . 1 . 3 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. FLASH/EEPROM/GPIO Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 17 GP2_Saturn7M ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. MAIN_2 Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 18 V e r . 1 . 2 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. POWER Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 19 V e r . 1 . 4 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. MICOM Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 20 V e r . 2 . 1 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. T-CON Copyright © 2011 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 COMMON AREA THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 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. RS232C 9PIN Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 23 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR DDR3(256MB) THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 24 V e r . 1 . 1 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR AUDIO[NTP] THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 25 V e r . 1 . 0 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 26 V e r . 1 . 1 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR SCART/RCA THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 27 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR NON B/T THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 28 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. CHINA HOTEL Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 29 V e r . 1 . 4 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. DDR3(FRC) Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 30 W i r e l e s s r e a d y THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 31 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LVDS THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 32 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. NON CHB Copyright © 2011 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 IR & LED THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 34 V e r . 1 . 2 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. HDMI Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 35 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. T-CON Power Table Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 36 V e r . 1 . 2 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR S-Flash(1MB) THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 37 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR EU/CHINA CAN TUNER THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 38 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR PCMCI THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 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 NON M REMOCON THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 40 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR SIDE AV THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 41 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR NON ETHERNET THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

This manual is also suitable for:

47ld455h 47ld455b-ca 47ld455h-ca

LG 47LD455B Service Manual

Quick Links

Related Manuals for LG 47LD455B

Summary of Contents for LG 47LD455B

Page 2: Table Of Contents

Page 3: Product Safety

Page 6: Specification

Page 7: Hdmi Input

Page 8: Adjustment Instruction

Page 13: Block Diagram

Page 15: Exploded View

This manual is also suitable for: