EasyManua.ls Logo

LG OLED55BX L Series User Manual

LG OLED55BX L Series
70 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
P/NO : MFL71696251 (2004-REV00)
CHASSIS : EDX2B
MODEL: OLED55BX*L*
OLED65BX*L*
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
OLED TV
SERVICE MANUAL
Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means),
publication, modification, copying or transmission of this Service Manual is STRICTLY PROHIBITED unless you
have obtained the prior written consent of the LG Electronics entity from which you received this Service Manual.
The material covered by this prohibition includes, without limitation, any text, graphics or logos in this Service
Manual.

Questions and Answers:

LG OLED55BX L Series Specifications

General IconGeneral
BrandLG
ModelOLED55BX L Series
CategoryOLED TV
LanguageEnglish

Summary

Contents

Safety Precautions

Essential safety precautions for servicing the TV.

Servicing Precautions

General guidelines and precautions for servicing the TV.

Specifications

Technical specifications of the TV model.

Software Update

Procedure for updating the TV's software.

Block Diagram

Schematic representation of the TV's internal components.

Exploded View

Diagram showing internal parts and their assembly.

Assembly and Disassembly Guide

Step-by-step instructions for disassembling and assembling the TV.

Trouble Shooting Guide

Comprehensive guide for diagnosing and resolving TV issues.

Safety Precautions

General Guidance

General safety advice and practices during service.

Leakage Current Checks

Procedures to check AC leakage current (Cold & Hot).

Servicing Precautions

General Servicing Precautions

General guidelines for safe and effective TV servicing.

Electrostatically Sensitive Devices

Handling precautions for sensitive electronic components.

Component Removal and Replacement

Procedures for removing and replacing ICs, transistors, and other components.

Specifications

Application Range and Test Requirements

Scope of application and conditions for product testing.

Model General Specifications

General technical specifications across different models.

Input/Output Port Specifications

Details on various input and output port specifications.

External Input Support Formats

Supported formats for component and HDMI input signals.

Software Update

USB Download Procedure

Procedure for updating software via USB.

NSU Download Procedure

Procedure for updating software over the network.

Assembly and Disassembly Guide

Disassemble Stand Cover

Steps to remove the stand cover from the back panel.

Disassemble Stand and Power Cord

Steps to remove screws and detach the stand and power cord.

Disassemble Back Cover and Wifi/Jog Assy

Steps to remove the back cover and Wifi/Jog assembly.

Disassemble Speaker, Main PCB, PSU

Steps to remove speaker, Main PCB, and Power Supply Unit.

Disassemble Stand Components

Steps to remove stand guide, fixer, and VESA bracket.

Standard Repair Process

A. Video Error Troubleshooting

Troubleshooting steps for video-related issues.

B. Power Error Troubleshooting

Troubleshooting steps for power-related issues.

C. Audio Error Troubleshooting

Troubleshooting steps for audio-related issues.

D. Function Error Troubleshooting

Troubleshooting steps for TV function errors.

E. Noise Troubleshooting

Troubleshooting steps for noise-related issues.

F. Exterior Defect Troubleshooting

Troubleshooting steps for physical damage or defects on the TV's exterior.

Detailed Repair Process Steps

Video Error Specific Steps

Detailed steps for specific video error scenarios.

Power Error Specific Steps

Detailed steps for specific power error scenarios.

Audio Error Specific Steps

Detailed steps for specific audio error scenarios.

Function Error Specific Steps

Detailed steps for specific function error scenarios.

Main Board Replacement Checks

Checks for Main Board replacement: Model, White Balance.

Appendix: Symptom Examples

Image Error Symptoms

Examples of image errors related to cables and connections.

Main Board Symptoms

Examples of issues originating from the main board.

Module Symptoms

Examples of issues originating from the display module.

Power Board Replacement Examples

Examples of symptoms requiring power board replacement.

Related product manuals