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LG 47LB9DF - User Manual

LG 47LB9DF
64 pages
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LCD TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : LB75A
MODEL : 47LB9DF
47LB9DF-AD
website:http://biz.LGservice.com
Internal Use Only
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LG 47LB9DF Specifications

General IconGeneral
BrandLG
Model47LB9DF
CategoryLCD TV
LanguageEnglish

Summary

Safety Precautions

General Guidance

General advice for safe servicing of the TV chassis, emphasizing isolation transformers.

Leakage Current Testing

Procedures for performing cold and hot checks of AC leakage current.

Servicing Precautions

General Servicing Rules

Essential precautions for handling components and equipment during service.

Component Handling and Repair

Component Removal and Replacement

Methods for replacing ICs, transistors, diodes, fuses, and resistors.

Adjustment Instructions

Overview and Preparation

General scope, designation, and EDID/DDC data download procedures.

Specific Adjustment Procedures

Detailed steps for MST3361, white balance, and video signal adjustments.

Troubleshooting and Block Diagrams

Troubleshooting Flowcharts

Step-by-step diagnostic guides for various signal and component issues.

Power and Booting Issues

Audio Troubleshooting

Component Replacement Parts List

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