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General cautionary guidelines for service personnel and handling.
Specific precautions for handling LCD panels during repair.
Safety guidelines for handling OLED panels and screen care.
Warnings regarding lithium battery replacement and handling.
Procedures for safety checks after completing a repair.
Method for measuring AC leakage current to ensure safety.
Techniques for verifying proper earth ground connections.
Information on lead-free solder usage in circuit boards.
How to access and interpret the TV's self-diagnostic menu and display.
Guide for initial symptom confirmation and board isolation.
Troubleshooting steps for power-related issues.
Diagnosing and resolving 'No Power' issues related to u-com.
Troubleshooting DDCON/LDO power supply failures.
Diagnosing and fixing Muffin2 related power failures.
Procedure for replacing Muffin2 components.
Troubleshooting main power errors indicated by 2x LED blinking.
Diagnosing DC Alert errors indicated by 3x LED blinking.
Troubleshooting audio errors indicated by 3x LED blinking.
Resolving TCON errors indicated by 4x LED blinking.
Troubleshooting Panel ID read errors indicated by 5x LED blinking.
Diagnosing issues indicated by 6x LED blinking.
Troubleshooting temperature errors indicated by 7x LED blinking.
Diagnosing 4KBE errors indicated by 8x LED blinking.
Troubleshooting steps for no sound issues.
Specific troubleshooting for no sound in audio sections.
Power off checks for no sound problems.
Power on checks for no sound problems.
Troubleshooting no sound from headphone/audio out.
Diagnosing no sound issues related to the tuner.
Troubleshooting no sound issues with HDMI inputs.
Steps to diagnose and resolve no picture issues.
Diagram of the analog video signal path.
Troubleshooting no picture issues specific to the BM2A board.
Explanation of the input skip function on the BM2A board.
Troubleshooting no picture issues related to the tuner.
Additional tuner troubleshooting for picture issues.
Further troubleshooting for tuner picture issues.
Analog tuning troubleshooting for tuner picture issues.
Digital tuning 1 troubleshooting for tuner picture issues.
Digital tuning 2 troubleshooting for tuner picture issues.
Troubleshooting no picture issues on HDMI 1.
Troubleshooting no picture issues on HDMI 2.
Troubleshooting no picture issues on HDMI 3.
Troubleshooting no picture issues on HDMI 4.
Diagnosing and fixing errors with key switch buttons.
Troubleshooting IR remote commander not responding.
Diagnosing issues with the light sensor.
Troubleshooting wired network connection problems.
Diagnosing wireless network issues.
Continued troubleshooting for wireless network issues.
Troubleshooting Bluetooth connectivity and functionality.
Steps to access the TV's service mode menu.
How to check and manage software versions.
Procedure for editing the serial number (part 1).
Procedure for editing the serial number (part 2).
How to set the model number for the TV.
Guide for White Balance (WB) adjustment.
Process for transferring WB/Gamma/Mura/CUC data.
Performing HDD performance checks.
Procedure for re-registering the HDD.
Overall block diagram of the TV's main components.
Diagram illustrating the TV's connectors and their pinouts.
Instructions for safely unpacking the TV panel.
Guidelines for safely holding and moving the TV vertically.
Precautions and methods for placing the TV on a working table.
Correct procedures for lifting the TV unit.
Incorrect methods to avoid when lifting the TV unit.
General cautionary guidelines for service personnel and handling.
Specific precautions for handling LCD panels during repair.
Safety guidelines for handling OLED panels and screen care.
Warnings regarding lithium battery replacement and handling.
Procedures for safety checks after completing a repair.
Method for measuring AC leakage current to ensure safety.
Techniques for verifying proper earth ground connections.
Information on lead-free solder usage in circuit boards.
How to access and interpret the TV's self-diagnostic menu and display.
Guide for initial symptom confirmation and board isolation.
Troubleshooting steps for power-related issues.
Diagnosing and resolving 'No Power' issues related to u-com.
Troubleshooting DDCON/LDO power supply failures.
Diagnosing and fixing Muffin2 related power failures.
Procedure for replacing Muffin2 components.
Troubleshooting main power errors indicated by 2x LED blinking.
Diagnosing DC Alert errors indicated by 3x LED blinking.
Troubleshooting audio errors indicated by 3x LED blinking.
Resolving TCON errors indicated by 4x LED blinking.
Troubleshooting Panel ID read errors indicated by 5x LED blinking.
Diagnosing issues indicated by 6x LED blinking.
Troubleshooting temperature errors indicated by 7x LED blinking.
Diagnosing 4KBE errors indicated by 8x LED blinking.
Troubleshooting steps for no sound issues.
Specific troubleshooting for no sound in audio sections.
Power off checks for no sound problems.
Power on checks for no sound problems.
Troubleshooting no sound from headphone/audio out.
Diagnosing no sound issues related to the tuner.
Troubleshooting no sound issues with HDMI inputs.
Steps to diagnose and resolve no picture issues.
Diagram of the analog video signal path.
Troubleshooting no picture issues specific to the BM2A board.
Explanation of the input skip function on the BM2A board.
Troubleshooting no picture issues related to the tuner.
Additional tuner troubleshooting for picture issues.
Further troubleshooting for tuner picture issues.
Analog tuning troubleshooting for tuner picture issues.
Digital tuning 1 troubleshooting for tuner picture issues.
Digital tuning 2 troubleshooting for tuner picture issues.
Troubleshooting no picture issues on HDMI 1.
Troubleshooting no picture issues on HDMI 2.
Troubleshooting no picture issues on HDMI 3.
Troubleshooting no picture issues on HDMI 4.
Diagnosing and fixing errors with key switch buttons.
Troubleshooting IR remote commander not responding.
Diagnosing issues with the light sensor.
Troubleshooting wired network connection problems.
Diagnosing wireless network issues.
Continued troubleshooting for wireless network issues.
Troubleshooting Bluetooth connectivity and functionality.
Steps to access the TV's service mode menu.
How to check and manage software versions.
Procedure for editing the serial number (part 1).
Procedure for editing the serial number (part 2).
How to set the model number for the TV.
Guide for White Balance (WB) adjustment.
Process for transferring WB/Gamma/Mura/CUC data.
Performing HDD performance checks.
Procedure for re-registering the HDD.
Overall block diagram of the TV's main components.
Diagram illustrating the TV's connectors and their pinouts.
Instructions for safely unpacking the TV panel.
Guidelines for safely holding and moving the TV vertically.
Precautions and methods for placing the TV on a working table.
Correct procedures for lifting the TV unit.
Incorrect methods to avoid when lifting the TV unit.
General