Sim Card Fault - Nokia 7600 Troubleshooting Manual

CCS Technical Documentation
SIM Card Fault (Insert SIM / Card Rejected)
Check SIM connector
makes good contact
to SIM X405. OK?
Set phone to
LOCAL mode. Is
it OK?
Measure VSIM
Voltage on C405.
Is it ~3.0V?
Check SIM
power-up
sequence. Is it OK
Replace TIKU
D300
Issue 1 (11/2003)
Company Confidential
Start
Yes
No
Yes
No
Yes
No
Yes
End
Copyright  2003 Nokia Corporation
Company Confidential
Replace SIM
No
connector X405
Check BSI circuit
including X200, R204,
R209, R214 and C226.
If OK replace UEME
Measure FBUS
TX-line during
flashing. Is it
~1.8V?
Check SIM lines, if
OK replace UEME
D200.
NMM-3
6-Troubleshooting
Page 6-7