Nokia 8390 Manuales De Servicio

PAMS Technical Documentation

Troubleshooting Instructions

NSB-8

Issue 1 01/02

ãNokia Corporation

Page 67

RF Tuning and Calibration Instructions

Phoenix is used to control the phone.

TX tunings

When changing any TX components, all TX tunings need to be done.

Equipment’s needed for TX tuning:

• Spectrum analyzer
• Computer with Phoenix -software

TX Output power tuning

Spectrum analyzer setting for TX output power tuning

• Frequency:

1880MHz

• Span:

0Hz

• RBW/VBW:

3MHz

• SweepTime:

5ms

• RefLevel:

+30dBm

Note: Cable and test fixture attenuation. Tuning is easier to do when using VIDEO-

trigger on spectrum analyzer.

1 Start the Phoenix service software

2 Scan product (

Ctrl + R) Software should automatically detect NSB-8. If product

is not found, choose product manually

Phoenix should initialize connection automatically. If it does not, initialize the connec-