Read LG 42LC5DC (CHASSIS:LA65A) Service Manual online
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No OSD Trouble Shooting
Check D1101 Pin #9
Voltage Level 12V
Check
Power connector
Replace Power board
Check LVDS Cable
Check PDP/LCD Module
Control board
Y
N
Y
Check FB601
Voltage Level 12V
Replace FB601
Y
N
Replace Cable
N
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