User Guide

Nokia Customer Care 6(a) - BB Troubleshooting Instructions
RH-37
Issue 1 07/04 Nokia Corporation Page 17
SIM Card
SIM
card
Insert
SIM card
faults?
Does phone enter
LOCAL MODE.
OK?
Measure
VSIM voltage
from X2700.
Is it 3V or
1.8V?
Check SIM
power Up sequence.
Is it OK?
Check BSI line,
X2000, C2004,
R2270, C2270,
R2273.
If OK change UEM.
Check VSIM line,
X2700, C2703,
C2219.
If ok change R2700.
If still wrong VSIM
voltage change UEM
Check SIM lines.
If OK change R2700.
If still fail change
UEM.
Change UPP
Retest
Yes
No
Yes
No
Yes
Yes
No
No