Nokia 3500 classic RM-272, Руководство по обслуживанию

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Phoenix preparations
Install the phone specific data package, for example
RM-272/273_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.
System mode independent manual tunings
RF channel filter calibration
Context
Rf channel filter calibration tunes the internal low pass filters of the RF ASIC, that limit the bandwidth of BB
IQ signals.
Table 9 Rf channel filter calibration tuning limits
Min Typ Max
Tx filter 0 10 31
RX mixer 0 13 31
Rx filter 0 16 31
Steps
1. From the Operating mode drop-down menu, set mode to Local.
2. Choose Tuning
→
Rf Channel Filter Calibration .
3. Click Tune.
4. To save the values to the PMM (Phone Permanent Memory) area, click Write.
5. To close the
Rf Channel Filter Calibration
window, click Close.
Results
Figure 27 Rf channel filter calibration typical values
RM-272; RM-273
RF Troubleshooting and Manual Tuning Guide
Issue 1 COMPANY CONFIDENTIAL Page 4 –23
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