HP L1950 Service Manual page 39

19" LCD Color Monitor
No picture (LED is orange)
Measure Q202=3.3V R205 = 3.3V
X201 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 Q202/R205
Replace X201
Input the sync signal of computer, or
change the cable
39
HP L1950