User Guide

PAMS Technical Documentation Baseband Trouble shooting
NPE-3
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"Insert SIM card"
Voltage < 1.5V on top
of R121 when BSI resistor
is connected
Check X121, R120,
R121, C127
VSIM, DATA, RST and CLK lines
rises up to 5V after power on
Check X160, R160, V160,
C163, 164, 162, 160, 161
SIMIF(4:0) lines:
J310, J311, J312, J313
rises to 2.8V after power on
Faulty N102 CCONT,
or faulty PCB
Faulty D301 MAD2
Yes
No
No
No
Yes
Yes
Insert SIM card fault (1)