Rm-298 Receiver; General Instructions For Gsm900 Rx Troubleshooting - Nokia 2630 RM-298 Service Manual

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
Phoenix preparations
Copy the two phone specific ini-files, for example
specific folder, for example
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
4 If you need more assistance, please refer to the Phoenix

RM-298 receiver

General instructions for GSM900 RX troubleshooting

Steps
1. Connect the phone to a PC with the module repair jig.
Phoenix and establish a connection to the phone with the data cable e.g. FBUS.
2. Start
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: FEG_ON + DTOS_ON+BB_6=Vgain_36
Results
The setup should now look like this:
Page 4 –10
\Phoenix\products\RM-13\ .
Tuning (Alt-U) > Auto-Tune (Alt-A) from the menu.
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
or one device including all.
rm_13_tunings.ini and autotune_RM-13.ini, to a phone
Help .
RM-298; RM-299
RF Troubleshooting Instructions
Issue 1