Nokia RM-313 Service Manual page 132

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3 TXFBM supply
4 WCDMA PA supply from DC/DC conv
5 Vbat at WCDMA PA
6 Supply to AHNEUS DC/DC conv
* With these settings, the result should be 3.1V.
Page 4 –8
Signal name
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
Test point
C7523 3.9 V
C7543 0 V (When transmitting 1.3 V - 3.1 V
depending on output power. *3.1 V
with settings as in the note below.)
L7550 3.9 V
L7592 3.9 V
RF troubleshooting
Voltage (all bands)
RM-313
Issue 1