![Nokia 603 Скачать руководство пользователя страница 152](http://html.mh-extra.com/html/nokia/603/603_service-manual_253004152.webp)
Setting
WCDMA I
WCDMA II
WCDMA IV
WCDMA V
WCDMA VIII
Signal generator
RF level (CW
signal)
-48 dBm
-48 dBm
-48 dBm
-48 dBm
-48 dBm
2. Activate WCDMA RSSI reading in Phoenix (Testing —> WCDMA —> Rx Power Measurement) .
3. In the Rx Power Measurement window, make the following settings:
4. Click Start to perform the measurement.
Results
The
Result
reading should reflect the level of the signal generator (- losses) +/- 5 dB.
When varying the level in the range of -40 to -100 dB, the reading should follow /- 5 dB.
Note:
In some versions of the Phoenix service tool, the
WCDMA Rx Power Measurement
tool does
not work as it should. In these cases, the result is something really small (for example -8387684.9).
Antenna
Antenna overview
RM-779 has a GSM/WCDMA antenna located on the bottom of the phone. The GSM/WCDMA antenna has one
feed connection and one ground connection.
The connection from the phone PWB to the antenna module is implemented by spring contacts (2 pcs).
RM-779
Cellular RF troubleshooting
Page 4 – 24
COMPANY CONFIDENTIAL
Issue 1
Copyright © 2011 Nokia. All rights reserved.
Содержание 603
Страница 147: ...RM 779 Cellular RF troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 4 19 Copyright 2011 Nokia All rights reserved ...
Страница 175: ...6 System Module Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 6 1 Copyright 2011 Nokia All rights reserved ...
Страница 181: ...RM 779 System Module Issue 1 COMPANY CONFIDENTIAL Page 6 7 Copyright 2011 Nokia All rights reserved ...
Страница 185: ...Power distribution RM 779 System Module Issue 1 COMPANY CONFIDENTIAL Page 6 11 Copyright 2011 Nokia All rights reserved ...
Страница 186: ...Clock scheme RM 779 System Module Page 6 12 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...
Страница 219: ...Glossary Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page Glossary 1 Copyright 2011 Nokia All rights reserved ...