AOC L19W631 - Page 22

19’’ LCD TV AOC L19W631
22
4. Abnormal display
check TV
system
Check the source
Reset source
Check si
g
nal filter circuit
Re
p
lace the filter or inductance
IF
signal
check TU100
AV, S-video Comp signal
check LVDS cable
Check in
p
ut
re
p
lace LVDS cable
check
p
anel
re
p
lace
p
anel
NG
OK
NG
OK
OK
NG
re
p
lace TU100
NG
Readjust
s
y
stem
OK
Check U203
,
U204
NG
Replace U203 or
U204
Check U201
OK
NG
Replace U201
Check U107
NG
Re
p
lace U107
OK
PC
，
Com
p
si
g
nal
Check U401
OK
OK
NG
Re
p
lace U401
NG
OK
NG