Technical information

2. No Picture
The button if
under control
X601 oscillate
waveform is normal
Replace U601
Replace X601
Measure U201 PIN2=2.5V
U202 PIN2=3.3V
Check Correspondent
com
p
onent
Replace U401
X401 oscillate
waveform is normal
Replace
U201, U202
OK
OK
OK
OK
OK
NG
NG
NG
NG
Check reset circuit of
U601 is normal
OK
Check HS/VS from
CN301 is normal
Replace X401
NG
NG
Replace U401
Check Correspondent
component
No picture
34