Nokia 5100 サービスマニュアル
CCS Technical Documentation
Troubleshooting Instructions
Company confidential
NPM-6/6X
Issue 2 06/03
Copyright Nokia. All rights reserved..
Page 3
Table of Contents
Page No
Introduction to RF troubleshooting .............................................................................4
RF Key component placement .....................................................................................5
RF Measurement points ...............................................................................................6
RF Key component placement .....................................................................................5
RF Measurement points ...............................................................................................6
General instructions for Tx troubleshooting ............................................................. 7
Transmitter troubleshooting diagram ........................................................................ 9
Pictures of transmitter signals ................................................................................. 12
Transmitter troubleshooting diagram ........................................................................ 9
Pictures of transmitter signals ................................................................................. 12
General instructions for Rx troubleshooting ........................................................... 14
Troubleshooting diagram for EGSM900 receiver................................................... 18
Troubleshooting diagram for GSM1800 receiver ................................................... 19
Troubleshooting diagram for GSM1900 receiver ................................................... 20
Troubleshooting diagram for EGSM900 receiver................................................... 18
Troubleshooting diagram for GSM1800 receiver ................................................... 19
Troubleshooting diagram for GSM1900 receiver ................................................... 20
General instructions for synthesizer troubleshooting.............................................. 21
Synthesizer troubleshooting diagram ...................................................................... 22
Pictures of synthesizer signals................................................................................. 23
Synthesizer troubleshooting diagram ...................................................................... 22
Pictures of synthesizer signals................................................................................. 23
BB Measurement points ............................................................................................25
Troubleshooting diagrams .........................................................................................27
Troubleshooting diagrams .........................................................................................27