AOC 717Fwy Service Manual page 33

17" LCD Color Monitor
No picture (LED orange)
The button if under control
Measure CN201 PIN3, 4=5V,
U201 PIN2=3.3V
X401 oscillate waveform is
normal
OK
Measures U401, U403 are
normal
OK
Check HS/VS from CN301 is
normal
OK
Replace U501
No picture
NG
OK
OK
NG
NG
Replace the key button
NG
Replace CN201 or U201
Replace X401
Replace U401, U403
NG
Check Correspondent component
33
AOC 717Fwy