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General safety warnings for servicing personnel and equipment handling.
Precautions for safely handling LCD panels during repair operations.
Specific handling and care instructions for OLED panels.
Guidelines to prevent image retention and screen damage on OLED TVs.
Warnings regarding the safe handling and replacement of lithium batteries.
Final safety checks to perform before releasing the serviced TV to the customer.
Procedure for testing AC leakage current on the TV set.
Methods for identifying a proper earth ground connection for safety.
Information regarding the use of lead-free solder in circuit board manufacturing.
How the Smart Core LED blinking indicates diagnostic test results.
Troubleshooting guide for 'No Power' issues in the TV.
Troubleshooting guide for 'No Power' related to u-com failure.
Troubleshooting guide for 'No Power' related to DDCON/LDO components.
Troubleshooting guide for 'No Power' issues associated with Muffin2 failure.
Procedure for replacing the Muffin2 component in case of failure.
Troubleshooting for 2x LED blinking indicating a main power error.
Troubleshooting for 3x LED blinking indicating a DC Alert error.
Troubleshooting for 5x LED blinking indicating Panel ID read error.
Troubleshooting for 6x LED blinking indicating a Panel Backlight error.
Troubleshooting for 7x LED blinking indicating a Temperature error.
Troubleshooting for 8x LED blinking indicating a 4KPQ/BE error.
General troubleshooting guide for 'No Sound' issues.
Troubleshooting guide for general 'No Sound Audio' issues.
Troubleshooting for 'No Sound' when the TV is in power-off state.
Troubleshooting for 'No Sound' when the TV is in power-on state.
Troubleshooting for 'No Sound' via headphone or audio out connections.
Troubleshooting for 'No Sound' issues related to the TV tuner input.
Troubleshooting for 'No Sound' issues with HDMI inputs.
General troubleshooting guide for 'No Picture' issues.
Troubleshooting for 'No Picture' from external video inputs.
Troubleshooting for 'No Picture' issues specifically on HDMI inputs.
Troubleshooting for 'No Picture' issues when using the TV tuner.
Troubleshooting guide for 'No Picture' issues on the BCH board.
Troubleshooting for 'No Picture' issues related to the TV tuner.
Troubleshooting guide for 'No Picture' on HDMI input 1.
Troubleshooting guide for 'No Picture' on HDMI input 2.
Troubleshooting guide for 'No Picture' on HDMI input 3.
Troubleshooting guide for 'No Picture' on HDMI input 4.
Troubleshooting for errors related to the TV's physical buttons.
Troubleshooting for issues with the IR remote commander not responding.
Troubleshooting for backlight level not changing with ambient light.
Troubleshooting guide for wired Ethernet network connectivity issues.
Troubleshooting steps for internal wireless network malfunctions (part 1).
Troubleshooting steps for internal wireless network malfunctions (part 2).
Troubleshooting guide for various Bluetooth device malfunctions.
Step-by-step guide to access the TV's service mode.
Information on how to check and display the TV's software version.
Procedure for editing the TV's serial number in service mode.
Procedure for setting or changing the TV model number.
Guide for performing White Balance adjustments in service mode.
Procedure for transferring WB, Mura, and CUC data.
Guide for checking HDD performance in service mode.
Procedure for re-registering the HDD in service mode.
Overall block diagram of the TV system architecture.
Diagram showing all connectors and their pin assignments.
Instructions for safely unpacking the TV panel from its packaging.
Instructions for safely carrying the TV panel to prevent damage.
Instructions for safely placing the TV panel on a flat table surface.
General handling precautions during TV assembly and disassembly.
Steps for disassembling and re-assembling the rear cover.
Identification of major circuit boards within the TV.
Guidelines for proper wire routing and connection during assembly.
Illustrated breakdown of parts for the KD-75X780F model.
Exploded view and part list for the Smart Core assembly.
General
