Philips 190B9CS/00 Service Manual page 47

(3). White screen
Check Q302, Q301 is broken
or CN301 solder?
Check Correspondent
component.
White screen
Measure Q302 base
is low level?
OK
NG
OK
Replace Panel
NG
X401 oscillate
waveform is normal
OK
Check reset circuit of
U401 is normal
OK
Replace U401
HUDSON 9
NG
Replace X401
NG
Check Correspondent
component.
47