Sim Card Fault - Nokia NSB-9 Series Troubleshooting Instructions
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Also See for NSB-9 Series:
- Service manual (280 pages) ,
- Disassembly and assembly instructions (8 pages)
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CCS Technical Documentation
SIM card fault
SIM
card
Insert SIM or
Card rejected
fault
Retest
Issue 1 04/03
Check X386. Is
Yes
it OK?
Try to set
phone in local
mode. Is it OK?
Measure VSIM
voltage at
X386. Is it
~3.0V
Check SIM
power-up
sequence. Is it
OK?
Change UPP
Nokia Corporation
Troubleshooting Instructions
No
Yes
No
Yes
No
Yes
No
Yes
NSB-9
Change defected
part
Check BSI-line
including X100,
C100, C240, R202
and R206. If OK,
change UEM
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.
Page 61
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Troubleshooting
