Figure 49 WCDMA RX test points
WCDMA Transmitter
WCDMA TX Troubleshooting
Preparations
Set Phoenix to RF local mode WCDMA TX (Channel 9737, 0 dBm output).
Check the following
Check the levels in the steps below.
NO. Signal Name Test point Check
1 WTXDET C7544 115mVDC
2 VBAT C7542 3.82VDC
3 PA supply - Vreg C7543 ~1.3 VDC @ 0dBm
4 RF level - ANT_WCDMA X8003 0dBm on antenna
6 WDET C7545 2.75 VDC
7 DAC101 R7541 300 mVDC
8 DAC201 J7538 1.5 VDC
RM-123; RM-145
RF troubleshooting Nokia Customer Care
Issue 1 COMPANY CONFIDENTIAL Page 7 –11
Copyright © 2006 Nokia. All rights reserved.
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