HP VS15 Series

HP VS15 Service Manual
46
No picture (LED is orange)
No picture
OK
OK
NG
NG
X401 oscillate waveforms
are normal
Replace X401
Check if the sync signal from
computer is output and video
cable is connected normally
Input the sync signal of
computer, or change the cable
Replace U401
NG
OK
Key is under control?
Y601 oscillate waveforms
are normal
Replace U601
Replace Y601
OK
Replace U401
NG
NG