User Guide

RM-4/RM-5
CCS Technical Documentation Troubleshooting Instructions
56 COMPANY CONFIDENTIAL ISSUE 1 02/2004
Copyright © 2003 Nokia. All Rights Reserved.
Fault finding guide
Set radio for 87.5
MHz
Yes
No Replace D200No
Yes
Check R363 Replace N360No Fail OK
Yes
No
Check R362
Replace D400No
YesYes
Replace N360OK
Voltmeter at
C367
2.6<Vdc<2.9
Radio does not work
Voltmeter at C372
2.7<Vdc<2.9
Voltmeter at
R360 (Vflash2)
2.7<Vdc>2.86
Osciloscope
at R362/N360
13 MHz signal
amplitude
1.3Vpp
Check R360 Replace R360Fail
Osciloscope
at R362
13 MHz signal
amplitude
1.8Vpp
A