Nokia RX-44 Service Manual page 129

RX-44
RF Troubleshooting and Tuning
RF troubleshooting and tuning.............................................................................................................................5-5
WLAN RF troubleshooting ................................................................................................................................5-5
General instructions for TX troubleshooting ..................................................................................................5-7
WLAN TX and STLC4560 troubleshooting........................................................................................................5-9
General instructions for WLAN RX
WLAN RX troubleshooting
Antenna troubleshooting
Introduction to WLAN RF
Tx IQ tuning ....................................................................................................................................................
Tx power level tuning
WLAN functionality testing using SB-7 WLAN test BOX with RX-44
WLAN functionality test
List of Tables
Table 11 Maximum wlan TX power limits for US version...................................................................................5-7
Table 12 Maximum wlan TX power limits for EU version...................................................................................5-8
List of Figures
Figure 27 WLAN, Bluetooth and GPS placement .................................................................................................5-5
Figure 28 RF key component placement..............................................................................................................5-6
Figure 29 WLAN RF measurement points ............................................................................................................5-6
Figure 30 WLAN TX troubleshooting ....................................................................................................................5-9
Figure 31 WLAN STLC4560 troubleshooting
Figure 32 WLAN RX troubleshooting
Figure 33 SB-7 - Outside view
Figure 34 SB-7 - Inside
Figure 35 Placement of RX-44 on SB-7
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Table of Contents
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COMPANY CONFIDENTIAL
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