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Important safety warnings for servicing the LCD TV.
Essential notes for safe handling and servicing procedures.
Detailed diagram and component labels for the 7343 main board.
Detailed diagram and component labels for the 7677 main board.
Detailed diagram and component labels for the 6888 main board.
Explanation of TV remote control buttons and their functions.
Step-by-step guide to enter the factory OSD menu.
Procedure for upgrading TV software using a USB disk.
Procedure for updating TCON and backlight firmware via USB.
Flowchart for diagnosing and fixing remote control issues.
Flowchart for diagnosing and fixing function key issues.
Flowchart for troubleshooting TV power-on problems.
Flowchart for diagnosing and fixing audio problems.
Flowchart for troubleshooting video input issues (TV, VGA, HDMI).
Flowchart for troubleshooting YPbPr component video input.
Flowchart for troubleshooting general video display problems.
Flowchart for diagnosing and fixing Wi-Fi connection issues.
Block diagram illustrating signal flow and connections.
Diagram showing power distribution for the 6715 board.
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