AOC 931SW series Service Manual page 29

Service Manual
White screen
White screen
Measure Q404-base
is low level?
OK
Check Q405=5V
Or CN403 solder?
OK
Check connector
Replace Panel
NG
NG
Check around
device
Check X401 waveform
OK
Check U402
OK
Updata soft
Replace U402/U401
29
AOC 931SW+
Check flow chart
For the white screen
NG
Replace X401
NG
Check around
device