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RM-247
RF troubleshooting
General RF troubleshooting ..................................................................................................................................4–5
Introduction to RF troubleshooting ................................................................................................................4–5
RF key components ...........................................................................................................................................4–6
Auto tuning for BB5.0 ............................................................................................................................................4–7
WLAN autotuning ...................................................................................................................................................4–7
General chekings ....................................................................................................................................................4–8
Antenna line component checking..................................................................................................................4–8
Voltage checking ...............................................................................................................................................4–8
Self test
troubleshooting....................................................................................................................................
Receiver troubleshooting
Introduction to receiver (RX)
GSM RX chain activation for manual measurements/GSM RSSI measurement
WCDMA RX chain activation for manual measurement/WCDMA RSSI
Transmitter troubleshooting
General instructions for transmitter (TX)
GSM transmitter
troubleshooting.................................................................................................................
GSM transmitter troubleshooting flowchart
WCDMA transmitter troubleshooting
WCDMA transmitter troubleshooting
WLAN RF
troubleshooting...................................................................................................................................
Introduction to WLAN RF troubleshooting
General WLAN RF troubleshooting
Radiated testing with battery cover
Conducted testing with MJ-131 module jig
Conducted WLAN troubleshooting
WLAN front-end test
WLAN front-end troubleshooting
WLAN ASIC
test................................................................................................................................................
WLAN ASIC troubleshooting
WLAN Tx power autotuning
List of Figures
Figure 29 Auto tuning concept with CMU200......................................................................................................4–7
Figure 30 WLAN autotune test equipment setup ...............................................................................................4–8
Figure 31 Tx Control window ................................................................................................................................4–9
Figure 32 General voltage checking test
Figure 33 RF control window
Figure 34 Typical readings
Figure 35 Test equipment
Figure 36 Test equipment setup for conductive
Figure 37 Test points around the WLAN ASIC
Figure 38 Test point around the clock buffer circuit
Issue 1
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COMPANY CONFIDENTIAL
Copyright © 2008 Nokia. All rights reserved.
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   Also See for Nokia N96

This manual also for:

L3, L4

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