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39
Meridian 1
(3). White screen
White screen
Check Q301, Q302 is broken or CN301 solder?
Check Correspondent
component.
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 Q302 base is low level?
Содержание 190V1SB/00
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