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2. No Picture (LED is orange)
No picture
The button if under
control
X401 oscillate
waveform is normal
Replace U401
Replace X401
Measure U104 Pin2=1.8V,
U103 PIN2=3.3V
Check Correspondent
component
Replace U401
X401 oscillate
waveform is normal
Check CN101, U104 and U103
OK
OK
OK
OK
OK
NG
NG
NG
NG
Check reset circuit of
U401 is normal
Check HS/VS from
CN402 is normal
Replace X401
Check Correspondent
component
NG
NG
OK