Figure 40 Measurement points at the RX SAW Filters – Z7600/Z7602
Figure 41 RX I/Q signals
RM-258 transmitter
General instructions for GSM 900 TX troubleshooting
Steps
1. Apply a RF-cable to the RF-connector to allow the transmitted signal act as normal. RF-cable should be
connected to an attenuator at least 10dB before connected to the measurement equipment, otherwise
the PA may be damaged.
2. Start
Phoenix
and establish a connection to the phone with the data cable e.g. FBUS.
RM-258; RM-259
RF Troubleshooting Instructions
Page 4 –18 COMPANY CONFIDENTIAL Issue 1
Copyright © 2007 Nokia. All rights reserved.
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