LG 42LH90 Manual page 2

OUTLINE
OUTLINE
Preliminary Section:
Contact Information, Preliminary Matters, Specifications,
LCD Overview, General Troubleshooting Steps,
Signal Distribution, Disassembly Instructions and Voltages
Disassembly Section: Removal of Circuit Boards
Troubleshooting Section:
• Switch Mode Power Supply
•
Inverter Board (LED Backlight Driver)
• T-CON (TFT Controller) Panel Driver board
• Main Board
Board Operation Troubleshooting of :
• Ft Control Board
•
Side Keys
•
Speakers
2 February 2010 LCD DV 42LH90