Operating instructions

32″ LCD TV AOC L32W431
22
5.3 No display (LED indicator green)
Check the source
OK
Reset source
NG
Check LVDS cable
NG
Reset LVDS cable
OK
Check 12V and 5V power supply
NG
Return to “5.1”
OK
Check main board power supply
OK
Check U402,U401
NG
Replace U402,U401
OK
Check I
2
C communication
OK
Check panel
NG
Replace panel
Check U302, U301
Replace U302, U301
Check U407
Replace U407
NG
NG
OK