Philips 200CW8FB/00 - Page 47

HUDSON 8
47
(2). No Picture
No picture
The button if
under control
Replace U401
Replace X401
Measure U702 PIN2=3.3V
U701 PIN2 =1.8V
Check Correspondent
component
Replace U401
X401 oscillate
waveform is normal
Check CN701, D704,
U701, U702
OK
OK
OK
OK
OK
NG
NG
NG
NG
Check reset circuit of
U401 is normal
Check HS VS from
CN405 is normal
Replace X401
Check Correspondent
component
NG
NG
OK
Replace U401
X401 oscillate
waveform is normal