AOC L26AS73 Service Manual page 21

26" LCD TV
4.3 abnormal picture
abnormal picture
OK
Checck signal
OK
Checck filter circuit
OK
Check source
AV, S-video Comp， PC， HDMI
NG
Replace U400
Check LVDS cable
Check panel
NG
NG
TV signal
Check U400
OK
NG
OK
NG
Re-connect signal
Replace filter capacitor and resistor
Check TV system
OK
Check U101
OK
Replace LVDS cable
Replace panel
21
AOC L26AS73
NG
Re-adjust TV
system
NG
Replace U101