2 Test limits (specified in the product specific data package) are quite tight. Small limit violations do not
always mean that the tested product is broken, but the RF performance may not be as good as it should
be.
3 RX measurements (RSSI, SNR) may fail because of strong signals from base stations nearby. It is
recommended to always perform RF measurements in an RF-shielded environment (in an RF-shield box
or room).
4 The phone is really broken and needs more specific troubleshooting. Typical for these cases is that
RF
Testing
gives measurement results which are far from the test limits.
Note:
Start the more specific troubleshooting always from the chapter
Cellular RF main
troubleshooting
. The troubleshooting flow below may be misleading if followed without upper level
instructions.
RM-626
Cellular RF troubleshooting
Issue 1
COMPANY CONFIDENTIAL
Page 4 – 23
Copyright © 2011 Nokia. All rights reserved.
Содержание RM-626
Страница 158: ...RM 626 Cellular RF troubleshooting Page 4 28 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...
Страница 189: ...6 System Module Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 6 1 Copyright 2011 Nokia All rights reserved ...
Страница 202: ...Power distribution RM 626 System Module Page 6 14 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...
Страница 203: ...Clocking scheme RM 626 System Module Issue 1 COMPANY CONFIDENTIAL Page 6 15 Copyright 2011 Nokia All rights reserved ...
Страница 237: ...Glossary Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page Glossary 1 Copyright 2011 Nokia All rights reserved ...