CCS Technical Documentation
Troubleshooting Instructions
NSB-9
Issue 1 04/03
Nokia Corporation
Page 61
SIM card fault
SIM
card
Insert SIM or
Card rejected
fault
Retest
Check X386. Is
it OK?
Measure VSIM
voltage at
X386. Is it
~3.0V
Check SIM
power-up
sequence. Is it
OK?
Change defected
part
Change UPP
Check VSIM line
X386, C390, C203.
If OK, change
R388. If still fail,
change UEM.
Check SIM lines
X386. If OK,
change R388. If still
fail, change UEM.
Try to set
phone in local
mode. Is it OK?
Check BSI-line
including X100,
C100, C240, R202
and R206. If OK,
change UEM
Yes
Yes
Yes
Yes
Yes
No
No
No
No