General instructions for GSM1900 TX troubleshooting
Steps
1. Apply a RF-cable to the RF-connector to allow the transmitted signal act as normal. RF-cable should be
connected to an attenuator at least 10dB before connected to the measurement equipment, otherwise
the PA may be damaged.
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
Band: GSM 1900
ii Active Unit: TX
iii TX Power Level: 0
iv TX Data Type: Random
7. The setup should now look like this:
Figure 68 GSM 1900 RF controls window
RH-99; RH-100; RH-105; RH-106
RF troubleshooting
Issue 2
COMPANY CONFIDENTIAL
Page 5 –35
Copyright © 2007 Nokia. All rights reserved.