Troubleshooting - Nokia NSM-3 Series Disassembly & Troubleshooting Instructions

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NSM–3/3D
Disassembly & Troubleshooting Instructions

Troubleshooting

Troubleshooting instructions are divided into following sections:
The first thing to do is to carry out a thorough visual check of the module.
Make sure that:
– there are no mechanical damages
– solder joints are OK
Before changing anything ALL SUPPLY VOLTAGES AND SYSTEM
CLOCK / SLEEP CLOCK should be checked.
26MHz VCXO
G830
HAGAR
N505
/2
Page 14
How to check/fix the system/sleep clock.
How to check/fix the power supplies.
Contact service case.
How to check/fix the SIM faults.
How to check/fix the Audio faults.
How to check/fix the charger faults.
Clock signal
buffer
V800++
13MHz
MAD
C213
E Nokia Mobile Phones Ltd.
PAMS Technical Documentation
Issue 3 11/2000

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