AOC L32W661 Service Manual page 22

32‟‟ LCD
TV
3. Abnormal display
Check the source
OK
Check signal filter circuit
OK
OK
Check U401
NG
Reset source
NG
Replace the filter or inductance
TV signal
NTSC, AV,
Component, PC signal
HDMI signal
NG
Replace U401
23
Check TV system setup
OK
Check TU701
OK
NG
Check U701
NG
Check U108
Check U107
Check U414, U415
AOC L32W661
NG
Replace TU701
Replace U701
Replace U108
NG
Replace U107
NG
Replace U414, U415