AOC G2460PQU Service Manual page 49

Service Manual
No picture (LED orange)
check X401 waveform
White screen
White screen
Measure Q106-base
is low level?
OK
Check Q104=5V
Or CN404
OK
Check connector
Replace Panel
No picture
Check signal wire
OK
Check U103 Vout=3.3V;
U104-out=1.8V
OK
OK
Check CN402-HS/VS
waveform
OK
Check U402 out
OK
Replace U401
NG
solder?
NG
Check around
device
NG
Replace signal wire
NG replaceU103,U104,Q104,
&around device
NG
replace X401
NG Check Correspondent
component
NG
Updata soft data
Check X401 waveform
OK
Check U403/U402
OK
Updata soft
Replace U402/U403/U401
49
heck flow chart
for the no signal
Check flow chart
For the white screen
NG
Replace X401
NG
Check around
device
G2460PQU