AOC TV3766W Service Manual page 27

37'' LCD TV
6.3 Abnormal Display
Check the source
OK
Check signal filter circuit
OK
Check U301
Check U302
Check U501
NG
Reset source
NG
Replace the filter capacitance or inductance
RF signal
AV signal
PC signal
OK
HDMI, DVI signal
NG
Replace U301
OK
NG
Replace U302
OK
NG
Replace U501
OK
NG
Replace panel
Check panel
Check TV system setup
OK
NG
Replace TU100
Check TU100
NG
Check U104 Replace U104
NG
Replace U102
Check U102
NG
Check U411
27
Replace U411
AOC TV3766W