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HP High-Definition LCD TV Service Manual v
LED Display abnormal................................................................................................................................. 84
LCD Panel Troubleshooting Tips ........................................................................................................................ 84
Inverter board ............................................................................................................................................ 84
Control board (panel driver)......................................................................................................................... 84
LVDS cable ................................................................................................................................................ 84
Screen ...................................................................................................................................................... 84
Example of defective LCDs ........................................................................................................................... 85
Chassis Layout and Overall Wiring Diagrams ..................................................................................................88
Boards Layout (Typical of all models except 32-inch*) ........................................................................................ 88
Connectors.................................................................................................................................................... 89
Main Board............................................................................................................................................... 89
Keypad and IR Boards................................................................................................................................ 90
Wires and Cables Wiring............................................................................................................................... 91
Main Board............................................................................................................................................... 91
Wiring Diagram............................................................................................................................................. 92
Firmware Update Procedure........................................................................................................................... 93
Overview .......................................................................................................................................................93
Safe Software Update Procedure.......................................................................................................................93
Introduction.................................................................................................................................................93
Software Feature Requirement .......................................................................................................................94
Software Update Procedure ..............................................................................................................................94
Limitation of this Implementation....................................................................................................................94
Appendix A – LCD Panel Specifications ........................................................................................................... 95
Chi Mei Optoelectronics Corporation:................................................................................................................95
AU Optronics Corporation LCD Panel Product Specifications .................................................................................95
L.G. Philips LCD Panel Product Specifications ......................................................................................................95