User Guide

PAMS
Technical Documentation
NSE–5
Troubleshooting
Page 10
Issue 1 07/99
Power doesn’t stay on or
phone is jammed
Check X400 pin 13
while X400 pin 2 is high
pin 13 pulsing?
Software is able to run in phone,
check UI–module.
If power is switched off after a few
seconds, check BSI and BTEMP lines.
Yes
Connect R413 end
towards edge to GND
VBB (C308 end towards RTC
batt.) = 2.8V
and
VXO (C112 end towards
bottom) = 2.8V
No
Vbatt is correct
3.6V
N100 is faulty.
No
Yes
Yes
C
Go To Figure
2.
Figure 5.