VREF level
Check the Vref level (1.2 V) at C7529.
The GSM or WCDMA transmitter (or receiver) has to be activated before the Vref supply voltage can be
measured. Follow the instructions given in chapter 'Manual transmitter (TX) testing with Phoenix
→
GSM
transmitter activation' or 'WCDMA transmitter activation'.
VHIA (Vhi) level
Check the VHIA level (2.6 V) at L7509.
RM-626
Cellular RF troubleshooting
Page 4 – 14
COMPANY CONFIDENTIAL
Issue 1
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 ...