Philips 220VW9FB/97 Service Manual page 44

44 HUDSON 9
(2). No Picture
No picture
The button if
under control
OK
Measure U404 PIN2=3.3V
Q409 V
collector
NG
OK
X401 oscillate
waveform is normal
OK
Check HS VS from
Replace U401
CN101 is normal
OK
Replace U401
NG
Check reset circuit of
U401 is normal
=1.8V
Check U404, Q409 and Q410
NG
Replace X401
NG
Check Correspondent
component
X401 oscillate
waveform is normal
OK
OK
Replace U401
NG
Replace X401
NG
Check Correspondent
component