HP LT3200 Service Manual page 5

Keypad abnormal ................................................................................................................................................... 84
LED Display abnormal........................................................................................................................................... 84
Abnormal Display .................................................................................................................................................. 84
LED Display abnormal........................................................................................................................................... 85
LCD Panel Troubleshooting Tips................................................................................................................................ 85
Inverter board ......................................................................................................................................................... 85
Control board (panel driver)................................................................................................................................... 85
LVDS cable ............................................................................................................................................................ 85
Screen..................................................................................................................................................................... 85
Example of defective LCDs ................................................................................................................................... 86
Chassis Layout and Overall Wiring Diagrams....................................................................................................... 89
Boards Layout (Typical of all models except 32-inch*) ............................................................................................. 89
Connectors .................................................................................................................................................................. 90
Main Board............................................................................................................................................................. 90
Keypad and IR Boards ........................................................................................................................................... 91
Wires and Cables Wiring ............................................................................................................................................ 92
Main Board............................................................................................................................................................. 92
Wiring Diagram .......................................................................................................................................................... 93
Firmware Update Procedure.................................................................................................................................... 94
Overview..................................................................................................................................................................... 94
Safe Software Update Procedure ................................................................................................................................ 94
Introduction ............................................................................................................................................................ 94
Software Feature Requirement............................................................................................................................... 95
Software Update Procedure......................................................................................................................................... 95
Limitation of this Implementation.......................................................................................................................... 95
HP High-Definition LCD TV Service Manual
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