Sharp LC-60LE452U

Sharp LC-60LE450U/LC-60LE452U Service manual
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5.4.3 Function Troubleshooting（PC problem）
Change U3
NG
OK
OK
NG
OK
OK
OK
OK
NG
NG
NG
OK
OK
OK
OK
OK
OK
PC problem
Check the input machine
Repair the PC
synchronizing
signal circuit
Check the PC
synchronizing
signal
Change U3
Repair the PC
synchronizing
signal circuit
Check the PC
synchronizing
signal
PC picture not in
center
Change PC input cable
Debug the input
signal
Check PC input cable
No signal
ADC Adjustment
PC picture
flicker
ADC adjustment
Picture not in
center
Repair
RGB
Circuit
Check RGB
circuit
PC lose colour
ADC adjustment