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CCS Technical Documentation
RH-12/RH-28 Series Transceivers
6(b) - RF Troubleshooting
Instructions
Issue 1 02/04 Nokia Corporation
RH-12/RH-28
RF Troubleshooting Instructions CCS Technical Documentation
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Page 2 Nokia Corporation Issue 1 02/04
RH-12/RH-28
CCS Technical Documentation RF Troubleshooting Instructions
Table of Contents
Page No
Introduction.................................................................................................................... 5
Notes on reference measurements ...............................................................................5
Helgo / Synthesizer Troubleshooting............................................................................. 6
N500 Helgo troubleshooting ........................................................................................7
Synthesizer troubleshooting .........................................................................................8
Tx Troubleshooting........................................................................................................ 9
Tx 850/900 GMSK troubleshooting ..........................................................................10
Tx 1800/1900 GMSK troubleshooting ......................................................................11
Rx Troubleshooting...................................................................................................... 12
Rx 850/900 troubleshooting ......................................................................................13
Rx 1800 troubleshooting ............................................................................................14
Rx 1900 troubleshooting ............................................................................................15
Bluetooth / FM Radio Troubleshooting ....................................................................... 16
Bluetooth troubleshooting .........................................................................................17
FM radio troubleshooting ..........................................................................................18
Issue 1 02/04 Nokia Corporation Page 3
RH-12/RH-28
RF Troubleshooting Instructions CCS Technical Documentation
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Page 4 Nokia Corporation Issue 1 02/04
RH-12/RH-28
CCS Technical Documentation RF Troubleshooting Instructions
Introduction
This document is the troubleshooting guide for RH-12/RH-28. On the following pages
you will find a step-by-step fault finding procedure and reference measurements at the
relevant signal points.
Notes on reference measurements