Philips 190P7 Service Manual page 51

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19" LCD Color Monitor
(2). No Picture
No picture
Measure U502 PIN2=3.3V,
U501 PIN2=1.8V?
OK
X301 oscillate waveforms are
normal
OK
Check if the sync signal from
computer is output and video cable
is connected normally
OK
Replace U401, U301
NG
Replace U501, U502
NG
Replace X301
Input the sync signal of
NG
computer, or change
the cable
51
190P7
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