2. No Picture (LED is orange)
No picture
The button if | NG |
under control |
|
|
|
OK
Measure U701, U702 Pin2=3.3V, U703 Pin1=1.8V
| NG |
|
| Replace | |
|
| |
OK |
| U701,U702, |
| U703 | |
|
| |
|
|
|
Check HS/VS from
CN402 is normal
X401 oscillate
waveform is normal
OK
Check reset circuit of
U407 is normal
OK
Replace U407
NG
NG
Replace X401
Check Correspondent
component
NG
OK
Replace U403
Check Correspondent component
33
