Philips 160E1SB/93 - Page 38

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38
38
Meridian 1
(3). White screen
White screen
Check Q404, Q405 is broken or CN405 solder?
Check Correspondent
com
p
onent.
Replace Panel
Check Correspondent
component.
Replace U401
OK
OK
Replace X401
OK
NG
NG
NG
NG
Check reset circuit of U401 is normal
OK
X401 oscillate waveform is normal
Measure Q404 base is low level?