AOC L32W751A Service Manual page 33

32" LCD TV
5.4. Abnormal display
AV, S-video HDMI signal
NG
Check U504
OK
NG
Check the source
OK
Check signal filter circuit
OK
Check input
signal
Replace U504
PC,Comp signal
Check U401
OK
check LVDS cable
OK
check panel
NG
Reset source
NG
Replace the filter or inductance
IF
signal
check TU1
NG
Replace U401
NG
replace LVDS cable
NG
replace panel
33
AOC L32W751A
check TV Readjust
NG
system system
OK
NG
replace TU1
OK