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
BB Measurement points ............................................................................................25
Troubleshooting diagrams .........................................................................................27
FM Radio troubleshooting ........................................................................................... 48
FM Radio component layout .....................................................................................48
FM Radio troubleshooting diagram ...........................................................................50
Notes to "FM Radio troubleshooting diagram"....................................................... 50
Issue 2 06/03
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NPM-6/6X
Troubleshooting Instructions
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