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LG 32LJ510B Service Manual

LG 32LJ510B Service Manual

Chassis : ld76h

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LED TV
SERVICE MANUAL
CHASSIS : LD76H
MODEL : 32LJ51**
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL69739903 (1704-REV00)
Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
CONFIDENTIAL
32LJ51**-ZA/ZC

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Summarization of Contents

Safety Precautions
Important Safety Notice
Critical safety information for servicing the TV chassis.
General Guidance
General safety advice and precautions for technicians during operation.
Leakage Current Checks
Procedures for performing cold and hot AC leakage current tests.
Servicing Precautions
General Servicing Precautions
Standard procedures and warnings for safe and effective servicing.
Electrostatically Sensitive (ES) Devices
Guidelines for handling sensitive electronic components to prevent damage.
General Soldering Guidelines
Best practices and techniques for soldering electronic components.
Specification
Application Range and Requirements
Defines the scope of the specification and testing conditions.
Test Methods
Outlines the procedures for testing TV performance and compliance.
Model General Specifications
Lists general specifications for broadcast and receiving systems.
External Input Support Formats
Details supported video resolutions for various inputs.
Block Diagram
Main SOC and Connectivity
Illustrates the main processing unit and its connections to various components.
Exploded View
Component Identification
Visual breakdown showing parts and their assembly points for identification.
Disassembly Guide
Step-by-Step Disassembly
Instructions for safely disassembling the TV unit.
Trouble Shooting Guide
A. Video Error
Troubleshooting steps for common video-related display issues.
B. Power Error
Troubleshooting steps for power supply and on/off related issues.
C. Audio Error
Troubleshooting steps for audio playback problems.
D. Function Error
Troubleshooting steps for remote control and input recognition issues.
E. Noise
Troubleshooting steps for identifying and resolving circuit and mechanical noise.
F. Exterior Defect
Troubleshooting steps for external physical damage to the unit.