Troubleshooting flow — Page 3 of 3
Manual transmitter (TX) testing with Phoenix
General instructions for transmitter (TX) activation
Please note the following before performing transmitter tests:
•
TX troubleshooting requires TX operation
•
Do not transmit on frequencies that are in use
•
The transmitter can be controlled in local mode for diagnostic purposes
•
The most useful Phoenix tool for GSM transmitter testing is “RF Controls”, in WCDMA transmitter testing
the best tool is “TX Control”
Note: Never activate the GSM or WCDMA transmitter without a proper antenna load. Always connect
a 50 Ω load to the RF connector (antenna, RF measurement equipment or at least a 2 W dummy
load), otherwise the power amplifier (PA) may be damaged.
GSM transmitter activation
Steps
1. Set the phone to local mode.
2. Activate the RF controls tool in Phoenix ( Testing → GSM → RF Controls ).
RM-596
Cellular RF troubleshooting
Page 4 – 26 COMPANY CONFIDENTIAL Issue 2
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