Autotune is designed to align the phone's RF part easier and faster. It performs calibrations, tunings and
measurements of RX and TX. The results are displayed and logged in a result file, if initiated.
Hardware set up
Hardware requirements for auto tuning:
• PC (Windows 2000/NT) with GPIB card
• Power supply
• Product specific module jig
• Cables: 3 (alt.1) RF cable, 1 GPIB cable and DAU-9S
• Signal analyser (TX), signal generator (RX) and RF-splitter
or
one device including all.
Phoenix preparations
Copy the two phone specific ini-files, for example
rm_13_tunings.ini
and
autotune_RM-13.ini,
to a phone
specific folder, for example
\Phoenix\products\RM-13\
.
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 The first time you are using automatic tuning on this phone model, on this computer, you will have to
Set loss
for cables and jigs.
3 To go to autotune, select
Tuning (Alt-U)
>
Auto-Tune (Alt-A)
from the menu.
4 If you need more assistance, please refer to the Phoenix
Help
.
RM-298 receiver
General instructions for GSM900 RX troubleshooting
Steps
1. Connect the phone to a PC with the module repair jig.
2. Start
Phoenix
and establish a connection to the phone with the data cable e.g. FBUS.
3. Select File and Scan product.
4. Wait a while for the PC to read the information from the phone.
5. Select Testing and RF Controls.
6. Set the parameters as follows:
i
Active Unit: RX
ii Band: GSM 900
iii Operation Mode: Continuous mode
iv RX/TX Channel 37
v AGC: 8: BB_6=Vgain_36
Results
The setup should now look like this:
RM-298; RM-299
RF Troubleshooting Instructions
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COMPANY CONFIDENTIAL
Issue 1
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