AOC L22W631 - Page 22

22’’ LCD TV AOC L22W631
22
4. Abnormal display
check TV
system
Check the source
Reset source
Check signal filter circuit
Replace the filter or inductance
IF
signal
check TU100
AV, S-video Comp signal
check LVDS cable
Check input
signal
replace LVDS cable
check panel
replace panel
NG
OK
NG
OK
OK
NG
replace TU100
NG
Readjust
system
OK
Check U203,U204
NG
Replace U203 or
U204
Check U201
OK
NG
Replace U201
Check U107
NG
Replace U107
OK
PC，Comp signal
Check U401
OK
OK
NG
Replace U401
NG
OK
NG