19" LCD Color Monitor HP L1950
39
No picture (LED is orange)
No picture
OK
OK
NG
X201 oscillate waveforms
are normal
Replace X201
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
Measure Q202=3.3V R205 = 3.3V
Replace Q202/R205
NG
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