Sim Card Reading Problem - Nokia NHM-1 Series Troubleshooting Instructions

NHM-1
Troubleshooting instructions

SIM card reading problem

Start
Insert SIM or
Card rejected
fault?
No
End
Page 44
Set phone to LOCAL
Yes
mode. Is it OK?
Yes
Measure VSIM voltage
from X385. Is it ~3.0V?
Yes
Check SIM power-up
sequence. Is it OK?
Yes
Nokia Corporation.
CCS Technical Documentation
Check BSI-line including
No
X300,C233,C308,R201 and
R213. If OK, change UEM.
Check VSIM-line
(X385,R385, C385).
No
If still fail, change UEM.
Check SIM lines (X385). If
No OK, change R385. If still fail,
change UEM.
Change TIKU
Issue 1 11/03