Nokia 5140 Manuales De Servicio

Nokia Customer Care

Troubleshooting Instructions

                                Company confidential

NPL-4/5

Issue 1 05/04

Copyright © 2004 Nokia Corporation. All rights reserved.

Page 47

Start Phoenix Service Software and open FBUS connection. 

Select “Scan Product” (Ctrl-R or in menu File - Scan Product). 

Wait until phone information is shown in the lower right corner of the screen.
Set “operating mode” to “Local”.

Open window “RF Controls” (menu Testing - RF Controls)

Set the synthesizer to the following mode:

Select->Band->GSM 1800

-Active unit->RX

-Operation mode->Continuous

-RX/TX Channel->700

The setup should now look like this:

To measure the supply voltage VR7, the tuning voltage Vc and the output frequency f

VCO;

 

see Figure : Test points of the synthesizer.