Philips 170CW8FB/00 Service Manual page 44

44 HUDSON 8
(2). No Picture
X401 oscillate waveforms are normal
No picture
Measure U201 PIN2=3.3V
OK
OK
Check if the sync signal from
computer is output and video cable
is connected normally
OK
Replace U501
NG
Replace U201
NG
Replace X401
Input the sync signal of
NG
computer, or change
the cable