Nokia 5130 Service Manual page 89

Hide thumbs Also See for 5130:
Table of Contents

Advertisement

RM-495; RM-496
RF troubleshooting
General RF troubleshooting ..................................................................................................................................4-5
Introduction to RF troubleshooting ................................................................................................................4-5
RF key components ...........................................................................................................................................4-6
Auto tuning for RF ..................................................................................................................................................4-6
General voltage checking ......................................................................................................................................4-7
Selftest troubleshooting........................................................................................................................................4-8
RF selftests ........................................................................................................................................................4-8
troubleshooting.................................................................................................................
troubleshooting..............................................................................................................................
List of Figures
Figure 16 RF key components ...............................................................................................................................4-6
Figure 17 Auto tuning concept with CMU200......................................................................................................4-6
Figure 18 General voltage checking test points (main board, both sides) ......................................................4-8
Figure 19 Testpoints used after fatal self tests
Figure 20 Settings: Time 1ns/d + 0.1Vpp/d
Figure 21 Settings: Time 1ns/d + 0.3Vpp/d
Figure 22 Frequency ~
Figure 23 Typical readings
Figure 24 Troubleshooting diagram: Bluetooth
Issue 1
Table of Contents
.....................................................................................................................
...................................................................................................................................
troubleshooting............................................................................................
.............................................................................................................................
troubleshooting........................................................................
.........................................................................................................
...........................................................................................................................
......................................................................................................
......................................................................................................
100kHz...........................................................................................................................
.................................................................................................................................
COMPANY CONFIDENTIAL
Copyright © 2008 Nokia. All rights reserved.
................................................................................................
..............................................................................................
........................................
Page 4 -3
4-10
4-14
4-14
4-15
4-16
4-16
4-16
4-18
4-18
4-19
4-10
4-12
4-12
4-14
4-17
4-18

Advertisement

Table of Contents
loading

Table of Contents