Nokia 5140 Manuales De Servicio

NPL-4/5

Company confidential 

Troubleshooting Instructions

Nokia Customer Care

Page 18

Copyright © 2004 Nokia Corporation. All rights reserved.

Issue 1 05/04

- Start Phoenix Service Software and open FBUS connection.

- Select → Scan Product (Ctrl-R)

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

- Set operating mode to “local mode”.

- Select → Testing → RF Controls

- Select → Band  →  GSM 850 or GSM 900 or GSM1800 or GSM1900

Active unit → RX

Operation mode →Burst

RX/TX Channel  → 190 or 37 or 700 or 661

- Select → Testing → SNR Measurement

- Select → Measuring mode → Fast SNR (Radio Button)
- Press → Start

The window “Signal Measurement” pops up informing on frequency and power level of 
the signal generator to be set.

- Press “ok” and the window will close.

- Read the SNR results.

The values should exceed:

•

GSM 850:

> 20 dB

•

GSM 900:

> 20 dB 

•

GSM 1800:

> 18 dB 

•

GSM 1900:

> 18 dB

The set up should now look like this: