AOC L32W781A

32’’ LCD TV AOC L32W781A
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3. Abnormal display
Check the source
OK
Reset source
NG
Check signal filter circuit
NG
Replace the filter or inductance
OK
NG
Analog TV signal
Check TV system setup
OK
Check TU1
Replace T1
Component, PC signal
Check U202
NG
Replace U202
OK
Check U401
NG
Replace U401
OK
NG
Replace U1
Check U1
Digital TV signal
Check TV system setup
NG
Check TU1
OK
NG
Replace U4
OK
Power supply U4
Check U21
Check U6,U7
Check U12,U17
OK
OK
OK
Check U9,
HDMI
Check u504
Replace U504
OK
OK
Check panel
Replace TU1
OK