NSB-9
Troubleshooting Instructions
CCS Technical Documentation
Page 56
Nokia Corporation
Issue 1 04/03
Flash faults
Flash
faults
Measure BSI
pulse during
Flash
programming.
Is it OK ?
The phone does
not set FBUSTX
line low after the
line has been
high.
The phone does
not set FBUSTX
line high after
the startup.
Flash
faults
page 2
Change
UPP
Check BSI
line. X100,
C114, C240,
R202, R206
Change
UPP
Check R109
if OK,
Change
UEM
Yes
Yes
Yes
Yes
No
No
No
No
Measure FBUSTX
line during Flash
programming from
testpoint J411. Is
it ~1.8V