Table Of Contents - Nokia NPM-6 Series Troubleshooting Instructions

CCS Technical Documentation

Table of Contents

RF Troubleshooting .......................................................................................................4
Introduction to RF troubleshooting .............................................................................4
RF Key component placement .....................................................................................5
RF Measurement points ...............................................................................................6
EGSM900 & GSM1800 Transmitter .............................................................................7
General instructions for Tx troubleshooting .............................................................7
Transmitter troubleshooting diagram ........................................................................9
Pictures of transmitter signals .................................................................................12
EGSM900, GSM1800 and GSM1900 Receiver ..........................................................14
General instructions for Rx troubleshooting ...........................................................14
Troubleshooting diagram for EGSM900 receiver ...................................................18
Troubleshooting diagram for GSM1800 receiver ...................................................19
Troubleshooting diagram for GSM1900 receiver ................................................... 20
Synthesizer ...................................................................................................................21
General instructions for synthesizer troubleshooting ..............................................21
Synthesizer troubleshooting diagram ......................................................................22
Pictures of synthesizer signals .................................................................................23
Baseband Troubleshooting........................................................................................... 25
FM Radio troubleshooting ...........................................................................................46
FM Radio component layout .....................................................................................46
FM Radio troubleshooting diagram ...........................................................................48
Notes to "FM Radio troubleshooting diagram" .......................................................48
Issue 1 01/03
ãNokia Corporation.
Troubleshooting Instructions
Page No
Page 3