Nokia 6233 - GSM Receivers; GSM RX Troubleshooting; Auto Tuning Procedure

• Cables: XRF-1 (RF cable), USB cable, GBIP cable and DAU-9S
• Signal analyser (TX), signal generator (RX) and RF-splitter or one device including all.
Figure 46 Auto tuning concept with CMU200
Phoenix preparations
Install the phone specific data package, for example RM-123/145_dp_1.78_sw_sh3.26.exe . This defines phone
specific settings..
Auto tuning procedure
1 Make sure the phone (in the jig) is connected to the equipment. Else, some menus will not be shown in
Phoenix.
2 To go to autotune, select
Tuning (Alt-U) > Auto-Tune (Alt-A) from the menu.
3 Start autotuning, clicking the Tune button.
GSM Receivers
GSM RX Troubleshooting
Preparations
Make the following settings:
Setting GSM900 GSM1800 GSM1900
Phoenix RF Control
Phoenix channel
Continues RX and AGC gain step 14
37 700 661
Signal generator to
antenna connector
942.46771 MHz
(67.71kHz offset) at
-60dBm
1842.86771MHz
(67.71kHz offset) at
-60dBm
1960.06771MHz
(67.71kHz offset) at
-60dBm
Spectrum analyzer
Centre frequency
RBW=500kHz, VBW=500kHz, span=20kHz
942MHz 1840MHz 1960MHz
Check the following
Check the levels in the steps below.
RM-123; RM-145
RF troubleshooting Nokia Customer Care
Issue 1 COMPANY CONFIDENTIAL Page 7 –7
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