BUFFALO FTD-G931AS/BK
16
7.Trouble Shooting
7.1 Main board
No power
No picture (LED orange)
No power
Press power key and look
if the picture is normal
OK
Please reinsert and make sure
the AC of 100-240 is normal
Measure U201 PIN2=1.8V
U202 PIN2=3.3V
Reinsert or check
the power section
X401 and X601 oscillate
waveforms are normal
Check Correspondent
component.
Replace U401
Replace U601
Check Correspondent
component.
OK
OK
OK
OK
NG
NG
NG
NG
NG
