NOKIA 06-nhl4jx-trouble free download

File name 06-nhl4jx-trouble.pdf

Customer Care Solutions NHL-4J/NHL-4JX Series Transceivers Troubleshooting Instructions Issue 2 06/03 Nokia Corporation NHL-4J/NHL-4JX Company confidential Troubleshooting Instructions CCS Technical Documentation [This page left intentionally blank] Page 2 Nokia Corporation. Issue 2 06/03 Company confidential NHL-4J/ 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 GSM900 & GSM1800 Transmitter ...7 General instructions for Tx troubleshooting ...7 Transmitter troubleshooting diagram ...9 Pictures of transmitter signals ...12 GSM900, GSM1800 and GSM1900 Receiver ...14 General instructions for Rx troubleshooting ...14 Troubleshooting diagram for GSM900 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 Main Troubleshooting Diagram ...