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LED TV
SERVICE MANUAL
CHASSIS : LD53J
MODEL : 79UF860V
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL68762613 (1504-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
79UF8609
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
79UF860V-ZA
79UF8609-ZA
Printed in Korea
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Table of Contents
Related Manuals for LG 79UF8609
Summarization of Contents
Safety Precautions
Important Safety Notice
Key safety information and warnings before servicing the TV.
General Guidance and Leakage Current Checks
General safety guidelines and AC leakage current testing procedures.
Servicing Precautions
General Servicing Precautions
General precautions to follow during servicing operations.
Component Handling and Soldering
Precautions for handling sensitive devices, soldering, and component replacement.
Component Replacement Procedures
Steps for replacing ICs, transistors, diodes, fuses, and repairing foil.
Specification
General Requirements and Model Specs
Covers application range, testing, model specifics, broadcasting, and input voltage.
External Input Formats (2D, HDMI, PC)
Details supported 2D, HDMI, and PC input resolutions and frequencies.
3D Input Formats
Details supported 3D input formats across RF, Component, HDMI, USB, Miracast, and WIDI.
Adjustment Instruction
Application Range and Designation
Specifies applicable models and general designation for adjustments.
Automatic Adjustment Procedures
Details procedures for MAC, CI+, Widevine, ESN, HDCP2.0, and LAN inspection.
Block Diagram
External Block Diagram
Illustrates the external connections and major components of the TV.
Exploded View
Chassis Assembly Components
Shows a visual breakdown of the TV's internal and external parts with labels.
Troubleshooting Guide
Standard Repair Process Overview
Lists common error symptoms categorized into video, power, audio, function, noise, and exterior.
A. Video Error Troubleshooting
Specific steps to diagnose and resolve various video-related issues.
B. Power Error Troubleshooting
Steps to diagnose and resolve power-related issues like no power or auto power off.
C. Audio Error Troubleshooting
Steps to resolve audio issues such as no audio, discontinuation, or noise.
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