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3. Panel Power Circuit
White screen
Measure Q301 base
is high level?
X201 oscillate
waveform is normal
Check CN402 is solder
and Q301, Q302 is OK?
Check Correspondent
component.
Replace PANEL
Check Correspondent
component.
Replace U203
OK
OK
OK
Replace X201
OK
NG
NG
NG
NG
Check reset circuit of
U203 is normal