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2. No Picture (LED is orange)
No picture
The button if under
control
X201 oscillate
waveform is normal
Replace U203
Replace X201
Measure U301 Pin2=3.3V,
U304 Pin2=1.8V
Check Correspondent
component
Replace U203
Check X201 oscillate
waveform is normal
Replace U301, U302
OK
OK
OK
OK
OK
NG
NG
NG
NG
Check reset circuit of
U203 is normal
Check HS/VS from
CN101 is normal
Replace X201
Check Correspondent
component
NG
NG
OK