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(3). White screen
Check Correspondent
component.
Great user manuals database on
White screen
Measure Q404 base
is low level?
OK
Check Q404, Q405 is broken
or CN403 solder?
NG
OK
Replace Panel
UserManuals.info
NG
X401 oscillate
waveform is normal
OK
Check reset circuit of
U401 is normal
NG
OK
Replace U401
HUDSON 9
NG
Replace X401
Check Correspondent
component.
43
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