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RH-59/60
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SIM related faults
Insert SIM card fault
The hardware of the SIM interface from UEM (D200) to the SIM connector (X387) can be tested
without a SIM card. When the power is switched on the phone first check for a 1,8V SIM card
and then a 3V SIM card. The phone will try this four times, whereafter it will display "Insert SIM
card".
Check for SIM voltage during power-up
Ch1 : VSIM
Ch2 : RESET
ISSUE 1 09/2004
Figure 6:SIM troubleshooting
Display shows :
"Insert SIM Card"
Yes
X387
Verify that phone checks for
1,8V-SIM, and then 3V-SIM
during power-up.
(See illustration below)
Yes
SIM Interface OK
Figure 7:Signal diagram
Ch3 : CLOCK
Ch4 : DATA
COMPANY CONFIDENTIAL
Copyright © 2004 Nokia. All Rights Reserved.
Nokia Customer Care
Check :
No
X387, R386, PWB.
Else defective D200*
13
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Troubleshooting
