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Provides general advice for safe servicing of the TV, emphasizing isolation transformers and proper handling.
Checks for AC leakage current with the antenna unplugged by measuring resistance to chassis.
Checks for AC leakage current with the AC cord plugged in, using a voltmeter across a resistor.
General guidelines for safe and proper servicing procedures, including power disconnection and handling.
Procedures to prevent damage to sensitive electronic components from static electricity.
Best practices and techniques for soldering electronic components, including temperature and tip care.
Procedures for replacing various electronic components like ICs, transistors, diodes, and fuses.
Techniques for repairing damaged copper patterns on printed circuit boards using jumper wires.
Defines the chassis and application scope of this service manual for LED TVs.
Specifies conditions and parameters for testing TV components and performance.
Outlines the procedures and standards for testing TV performance and safety.
Lists general specifications for different markets, broadcast systems, and input/outputs.
Details supported resolutions, frequencies, and formats for HDMI inputs.
Lists supported resolutions, frequencies, and formats for PC inputs.
Step-by-step guide for updating TV software via USB drive.
Method for updating software over a network connection, including auto update settings.
Steps and precautions for disassembling the TV's back cover, including screw removal.
Detailed steps for safely removing the TV's back cover, including latch release.
Instructions for reassembling the TV's back cover using latch points.
Procedures for assembling and disassembling the LCM (Liquid Crystal Module), including SPCB handling.
Diagnoses and steps for various video-related issues like no video, freezing, or color problems.
Diagnoses and steps for various power-related issues like no power or intermittent power.
Diagnoses and steps for various audio-related issues like no audio or distorted audio.
Diagnoses and steps for various function-related issues like remote control or Wi-Fi problems.
Diagnosing and resolving circuit noise or mechanical noise issues in the TV.
Guidelines for identifying and fixing external physical damage to the TV.
Instructions on how to use the service remote control and its functions.
Examples of image errors caused by poor FFC cable contact, such as color smear or darkness.
Examples of main board related symptoms like screen noise, dark picture, or broken picture.
Examples of module related symptoms like horizontal bars, image broken, or vertical smear.
Examples of T-con board related symptoms like lower image broken or darkness at the top.
General
