Nokia NPM-6 Series Troubleshooting Instructions page 30

Troubleshooting Instructions
SIM card
faults
Insert SIM card faults
No
END
Page 30
Set phone to
Yes LOCAL mode.
Is it OK ?
Check X386
Measure VSIM
voltage from X386.
Is it 3V (1.8V)
Check SIM
power up sequency.
Is it OK ?
Change UPP
ãNokia Corporation.
CCS Technical Documentation
No
Yes
No
Yes
No
Yes
Check BSI line, X100,
C240, R203, R206. If
OK change UEM
Check VSIM
line,X386,
C203,C370, L386. If
OK change R388. If
still wrong VSIM
change UEM
Check SIM lines. If
OK change R388. If
still fail change UEM.
Issue 1 01/03