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2. No picture (LED is orange)
No picture
Measure U701 PIN2=3.3V U702 PIN2=3.3V
OK
NG
Replace U701, U702
X401 oscillate waveforms are normal
OK
NG
Replace X401
Check if the sync signal from computer is output and video cable is connected normally
NG OK
Input cable
the
sync or
signal
of the
computer,
change
Replace U401
33
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