User Guide

Figure 49 TXC signals at PCL19

General instructions for GSM 1800 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 1800

ii Active Unit: RX

iii TX Power Level: 5

iv TX Data Type: Random

RH-70

RF troubleshooting Nokia Customer Care

9243364 (Issue 1, Part 2) Company Confidential Page 2–21