Nokia NPM-6 Series Troubleshooting Instructions page 27

CCS Technical Documentation
Phone is
jammed
2
Phone Shutdown
after 30s
No
Measure
DBUSClk 1MHz signal
from testpoint J413.
Is it OK ?
Yes
Read phone info.
Is it OK ?
Yes
Retest
Issue 1 01/03
Measure
watchdog signal
Yes
CBUSDA from J414.
Is it OK ?
Yes
Retest
No
Measure FBUSRx
signal during phone info
No
read from testpoint J412.
Is it OK ?
Yes
Measure FBUSTx
signal during phone info
read from testpoint J411.
Is it OK ?
Yes
ãNokia Corporation.
Troubleshooting Instructions
Change
No
UPP
Change
No
UEM
Change
No
UPP
Change
UEM
Page 27