LG 32LJ59 U Series User Manual

32LJ59*U
ZA
Copyright © Only for training and service purposes
CHASSIS : LD75M
P/NO : MFL69920608 (1702-REV00)
LED TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING
THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes.
CONFIDENTIAL
-32LJ59*U
MODEL:

LG 32LJ59 U Series Specifications

General

Brand	LG
Model	32LJ59 U Series
Category	LED TV
Language	English

Summary

Safety Precautions

Important Safety Notice

Critical safety warnings and essential replacement part guidance.

General Guidance and Leakage Current Checks

General safety rules and procedures for AC leakage current testing.

Servicing Precautions

General Servicing Safety

General safety guidelines for performing service operations.

Handling Static Sensitive Devices

Techniques to prevent damage to electrostatically sensitive components.

Soldering Best Practices

Guidelines for proper soldering techniques and tool usage.

TV Specifications

Specification Application and Test Requirements

Defines the scope, application range, and test conditions for specifications.

Test Methods and General Specs

Outlines test methodologies and lists general technical specifications of the TV.

Software Update Procedures

USB Software Update

Step-by-step guide for updating TV software via USB.

Network Software Update (NSU)

Step-by-step guide for updating TV software over the internet.

System Block Diagrams

Main Processor and Interfaces Diagram

Illustrates the main IC, memory, and external interfaces.

Power Block Diagram

Shows the power supply structure and voltage distribution.

Exploded View and Safety

Component Identification Diagram

Visual breakdown of TV parts with reference numbers.

TV Disassembly Instructions

Screw Removal and Torque

Details screw types and torque specifications for disassembly.

Troubleshooting and Component Identification

Main PCB Overview and Interconnection

Identifies main PCB components and shows inter-board connections.

Standard Repair Process

Video Error Troubleshooting Flow

Step-by-step guide for diagnosing and resolving video related issues.

Power Error Troubleshooting Flow

Step-by-step guide for diagnosing and resolving power supply issues.

Audio Error Troubleshooting Flow

Step-by-step guide for diagnosing and resolving audio related issues.

Function Error Troubleshooting Flow

Step-by-step guide for diagnosing and resolving functional errors.

Noise and Exterior Defect Troubleshooting

Troubleshooting steps for circuit noise, mechanical noise, and exterior damage.

Component Exchange Appendix

Main Board Exchange Examples

Visual guide for defects requiring Main Board replacement.

Power Board Exchange Examples

Visual guide for defects requiring Power Board replacement.

Module Exchange Examples

Visual guide for defects requiring Module panel replacement.