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LED TV
LED TV
SERVICE MANUAL
SERVICE MANUAL
CHASSIS : UB13D
MODEL : 65UP8000PTB / PTZ
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL71796604 (2101-REV00)
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.
Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
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Summarization of Contents
SAFETY PRECAUTIONS
General Safety Guidance
General advice for safe servicing practices and component handling.
Electrical Safety Checks
Procedures for checking AC leakage current (cold and hot checks).
SERVICING PRECAUTIONS
General Servicing Practices
Guidelines for safe and proper servicing procedures.
ESD and Soldering Guidelines
Precautions for handling sensitive components and soldering techniques.
Component Replacement Procedures
Detailed steps for replacing ICs, transistors, diodes, fuses, and resistors.
SPECIFICATION
Product Specifications
Details on application range, test requirements, and test methods.
Input Format Specifications
Supported HDMI and PC resolutions, frequencies, and pixel clocks.
SOFTWARE UPDATE
USB Update Procedure
Steps to update TV software via USB.
Network Update Procedure
Steps to update TV software via network connection.
ASSEMBLY / DISASSEMBLY GUIDE (SET)
External Assembly and Disassembly
Steps for disassembling the TV's rear cover, holder, and external components.
ASSEMBLY / DISASSEMBLY GUIDE (MODULE)
Internal Module Disassembly and Reassembly
Procedures for disassembling and reassembling internal module components like LCM and SPCB.
TROUBLE SHOOTING GUIDE
Standard Repair Process Overview
A structured approach to diagnosing and resolving technical issues.
Video Error Diagnosis
Steps for diagnosing and resolving video-related errors.
Power Error Diagnosis
Steps for diagnosing and resolving power-related errors.
Audio Error Diagnosis
Steps for diagnosing and resolving audio-related errors.
Function Error Diagnosis
Steps for diagnosing and resolving function-related errors.
Noise and Exterior Issues
Diagnosing and resolving noise and exterior defect issues.
Appendix: Symptom Examples
Image Error Examples
Examples of image display errors and their causes related to cables.
Component Symptoms
Examples of symptoms related to main board, modules, and T-con boards.
Power Board Exchange Examples
Visual examples of issues related to power board exchange.
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