User Guide

Nokia Customer Care 6(b) - RF Troubleshooting Instructions

RH-37

Issue 1 07/04 Nokia Corporation Page 7

Receiver Verification and Troubleshooting

General instructions for RX troubleshooting

Connect the phone to a PC, which has Phoenix Service Software and a dongle installed,

using either

• repair jig and DAU-9S (RS232) cable or

• repair jig and XCS-4 cable via FPS-8 Flash Box or

• DAU-9T cable (RS232).

Connect the phone to a power supply (DC voltage: 3.6V, max. current: 3A) and an RF sig-

nal generator. Switch the phone on.

Start Phoenix Service Software and open FBUS connection.

Select Scan Product Ctrl-R

and wait until the phone information (RH-37) is shown in the lower right corner of the

screen.

Follow the instructions below.

Measuring RX I/Q signals using RSSI reading

Start Phoenix Service Software and open FBUS connection.

Select Scan Product Ctrl-R

Wait until the phone information is shown in the lower right corner of the screen.

Set the operating mode to local mode

Select Testing T

RF Controls F

Select Band GSM 900 or GSM1800 or GSM1900

Active unit RX

Operation mode Burst

RX/TX Channel 37 or 700 or 661

Select Testing T