Adelpia TGL2260A Service Manual page 35

22" LCD Color Monitor
No Picture (LED orange)
No picture
The button if under
control
OK
Measure U704 PIN2 =1.8V
U703 PIN2=3.3V
OK
X401 oscillate
waveform is normal
OK
Check HS/VS from
CN405 is normal
OK
Replace U401
NG
X401 oscillate
waveform is normal
Check reset circuit of
U401 is normal
Replace U401
NG
Replace U703, U704
NG
Replace X401
NG
Check Correspondent
component
35
NG
Replace X401
OK
NG
OK
Adelpia TGL2260A
Check Correspondent
component