Rm-258 Receiver; General Instructions For Gsm900 Rx Troubleshooting - Nokia 2760 Service Manual

RM-258; RM-259
RF Troubleshooting Instructions
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-258 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:
Issue 1
Tuning (Alt-U) > Auto-Tune (Alt-A) from the menu.
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
Help .
Page 4 –11