User Guide

NSW-4
Disassembly & Troubleshooting
PAMS Technical Documentation
Page 11
Issue 1 Final Draft
08/00
 Nokia Mobile Phones Ltd.
Trouble Shooting
The following hints should facility finding the cause of the problem when
the circuitry seems to be faulty. This trouble shooting instruction is di-
vided following section.
1. Phone is totally dead
2. Flash programming does not work
3. Power does not stay on or the phone is jammed
4. Display information: Contact Service
5. Phone does not register to the network or phone does not make a call.
6. Audio fault.
7. Charging fault
The first thing to do is carry out a through visual check of the module. En-
sure in particular that:
a) there are not any mechanical damages
b) soldered joints are OK