NOKIA 06-npm6 6x-trouble free download

File name 06-npm6_6x-trouble.pdf

CCS Technical Documentation NPM-6/6X Series Transceivers Troubleshooting Instructions Issue 2 06/03 Copyright Nokia. All rights reserved. NPM-6/6X Company confidential Troubleshooting Instructions CCS Technical Documentation [This page left intentionally blank] Page 2 Copyright Nokia. All rights reserved. Issue 2 06/03 Company confidential NPM-6/6X CCS Technical Documentation Troubleshooting Instructions Table of Contents Page No 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 ...