![Buffalo FTD-G731AS Service Manual Download Page 18](http://html1.mh-extra.com/html/buffalo/ftd-g731as/ftd-g731as_service-manual_2826919018.webp)
BUFFALO
Service Manual
18
White screen
White screen
Measure Q204
base is high level?
Measure U202 PIN2=3.3V
U201 PIN2=2.5V
X401 oscillate
waveform is normal
Check Q203 is broken
or CN503 solder?
Check Correspondent
component
Replace PANEL
Check Correspondent
component
Replace U401
OK
OK
OK
Check Correspondent
component
OK
NG
NG
NG
NG
Summary of Contents for FTD-G731AS
Page 31: ......