User Guide

RM-94

Nokia Customer Care 6(b) - RF Troubleshooting

8 COMPANY CONFIDENTIAL Issue 1 04/2005

(The example below shows a screen shot in GSM900!)

Make the following settings on your signal generator:

Frequencies:

• GSM 900: 942.46771 MHz (channel 37+ 67.710 kHz offset)

• GSM 1800: 842.86771 MHz (channel 700 + 67.710 kHz offset)

• GSM 1900: 1960.06771 MHz (channel 661+ 67.710 kHz offset)

RF power level:

• – 80 dBm @ the antenna connector of the phone/ test jig

(remembering to compensate for the cable and jig attenuation).

Click on <Read now> in RSSI reading.

The resulting RSSI level shall be – 80 dBm +/– 0.5 dB in each band.

Measuring RX performance using SNR measurement

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 operating mode to <local mode>.

Select Testing T

RF Controls F

Select Band GSM 900 or GSM1800 or GSM1900

Active unit RX