User Guide

PAMS
Technical Documentation
RAE-3
8. Troubleshooting
Page 8 – 50
Issue 1 06/01
SIM CARD FAULT
Check VSIM at SIM card pin
VSIM=
2,8V min. with 3V
4.5V min. with 5V
Check V103 pins
Pin_1: CLK
Pin_6: DATA
Pin_4: Reset
Lines
rising
0V –>3V/5V
after power on
?
Check ATR data at
N100
R112
at N100 (CCCONT)
side /SIM_DATA_0
3V card: Check
N100 (CCONT)
C112, C113
Replace
if necessary
Check
SIM card reader
mechanical
connections
Check
X101, V103,
R109, R112
R125
5V card:Check
5V charge pump
components
C107
V101
C110
Still
problem?
Replace
N100
(CCONT)
Check
N100 (CCONT)
Still
problem?
D300 (MAD) faulty
N100 faulty
NO
YES
YES
YES
YES
NO
NO
NO
NO
YES
OK?
YES
card
card
and eventual
short circuits from
CLK, DATA and
RESET lines
against GND
Figure 38.