AOC L19AS73 Service Manual page 22

19" LCD TV
4.3 No display (LED indicator green)
Check 12V and 5V power supply
Check main board power supply
Check Q821,Q841
Check PT801,PT802
Check I
Check the source
OK
Check LVDS cable
OK
OK
OK
NG
Check U811
OK
NG
OK
NG
OK
2
C communication
OK
NG
Check panel
NG
Reset source
NG
Reset LVDS cable
NG
Return to "5.1"
Replace U811
Replace Q821,Q841
Replace PT801,PT802
Replace panel
22
AOC L19AS73