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General safety precautions for service personnel and handling.
Specific safety guidelines for handling LCD panels during repair.
Precautions regarding the safe handling and replacement of lithium batteries.
Procedures for safety checks before releasing a serviced unit to the customer.
Method for measuring leakage current to prevent electric shock hazards.
Instructions for verifying proper earth grounding connection for safety.
Information regarding the use of lead-free solder in circuit board manufacturing.
Correct procedures for inserting and removing flexible flat cables to prevent damage.
Step-by-step guide for replacing a tuner module without soldering.
Explanation of LED status lights and their meaning during operation or failure.
Table mapping LED blinking patterns to specific error detections and locations.
A chart to help diagnose problems based on symptoms and LED blinking sequences.
Troubleshooting guide for a 2x LED blink, indicating a main power error.
Troubleshooting steps for a 3x LED blink, indicating an audio error.
Troubleshooting steps for a 4x LED blink, indicating a panel power error.
Troubleshooting steps for a 5x LED blink, indicating a panel I2C communication error.
Diagnostic flow for issues with a blank screen but visible backlight.
Troubleshooting specific no-picture issues related to the tuner.
Troubleshooting no detection, playback, picture, or sound from USB port 1.
Guide for troubleshooting Ethernet connection failures.
Diagnostic procedures for no picture issues occurring via HDMI connection.
Troubleshooting steps for WiFi connection failures.
Overview of audio problem troubleshooting categories.
List of reference points for checking DDCON/LDO voltages related to no power issues.
Step-by-step instructions for accessing the TV's service menu.
Overview of service mode items that may vary based on TV region.
Explanation of remote key functions within the service menu.
Procedure for accessing and performing self-diagnosis checks via the service menu.
Information on interpreting diagnosis menu codes and LED flashing for error detection.
Mapping of standby LED flashing times to specific monitoring items and failure content.
Guide to confirming correct Panel Selection and LVDS Spectrum values.
Instructions for editing the TV's serial number through the service menu.
Procedure for setting or editing the TV's model number in the service menu.
Steps for adjusting white balance settings, typically after board replacement.
Procedure for transferring WB/MURA/CUC data, often after component replacement.
Instructions for activating and managing the TV's aging test mode.
Process for detecting and verifying the installed TV tuner module.
Steps to disable ATMOS CEC functionality to avoid conflicts.
Procedure to set CEC Force LA to 0 to resolve CEC conflicts.
Method for reading HDMI EDID data without disassembling the TV.
Instructions for setting option bits like Shipping Region and Tuner ID.
Visual diagrams showing the physical location of major circuit boards within the TV.
Visual representation of the TV's internal components and their interconnections.
Pinout diagrams for connectors on KC_43 and KC_49 models.
Pinout diagrams for connectors on KC_55 and KC_65 models.
General safety precautions for service personnel and handling.
Specific safety guidelines for handling LCD panels during repair.
Precautions regarding the safe handling and replacement of lithium batteries.
Procedures for safety checks before releasing a serviced unit to the customer.
Method for measuring leakage current to prevent electric shock hazards.
Instructions for verifying proper earth grounding connection for safety.
Information regarding the use of lead-free solder in circuit board manufacturing.
Correct procedures for inserting and removing flexible flat cables to prevent damage.
Step-by-step guide for replacing a tuner module without soldering.
Explanation of LED status lights and their meaning during operation or failure.
Table mapping LED blinking patterns to specific error detections and locations.
A chart to help diagnose problems based on symptoms and LED blinking sequences.
Troubleshooting guide for a 2x LED blink, indicating a main power error.
Troubleshooting steps for a 3x LED blink, indicating an audio error.
Troubleshooting steps for a 4x LED blink, indicating a panel power error.
Troubleshooting steps for a 5x LED blink, indicating a panel I2C communication error.
Diagnostic flow for issues with a blank screen but visible backlight.
Troubleshooting specific no-picture issues related to the tuner.
Troubleshooting no detection, playback, picture, or sound from USB port 1.
Guide for troubleshooting Ethernet connection failures.
Diagnostic procedures for no picture issues occurring via HDMI connection.
Troubleshooting steps for WiFi connection failures.
Overview of audio problem troubleshooting categories.
List of reference points for checking DDCON/LDO voltages related to no power issues.
Step-by-step instructions for accessing the TV's service menu.
Overview of service mode items that may vary based on TV region.
Explanation of remote key functions within the service menu.
Procedure for accessing and performing self-diagnosis checks via the service menu.
Information on interpreting diagnosis menu codes and LED flashing for error detection.
Mapping of standby LED flashing times to specific monitoring items and failure content.
Guide to confirming correct Panel Selection and LVDS Spectrum values.
Instructions for editing the TV's serial number through the service menu.
Procedure for setting or editing the TV's model number in the service menu.
Steps for adjusting white balance settings, typically after board replacement.
Procedure for transferring WB/MURA/CUC data, often after component replacement.
Instructions for activating and managing the TV's aging test mode.
Process for detecting and verifying the installed TV tuner module.
Steps to disable ATMOS CEC functionality to avoid conflicts.
Procedure to set CEC Force LA to 0 to resolve CEC conflicts.
Method for reading HDMI EDID data without disassembling the TV.
Instructions for setting option bits like Shipping Region and Tuner ID.
Visual diagrams showing the physical location of major circuit boards within the TV.
Visual representation of the TV's internal components and their interconnections.
Pinout diagrams for connectors on KC_43 and KC_49 models.
Pinout diagrams for connectors on KC_55 and KC_65 models.
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General