HP vp17 Service Manual page 36

17" LCD Color Monitor
No picture (LED is orange)
Measure U702 PIN2=3.3V; Q702 C = 1.8V
X401 oscillate waveforms
are normal
OK
Check if the sync signal from
computer is output and video cable
is connected normally
No picture
NG
OK
NG
NG
OK
Replace U401
Replace U702/Q702
Replace X401
Input the sync signal of computer, or
change the cable
36
HP VP17