Fmtx Transmitter Antenna Connectivity Test In Phoenix - Nokia RM-596 Service Manual
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RM-596
BB Troubleshooting and Manual Tuning Guide
• Connect suitable antenna to signal generator
Note:
You may alternately use a known good FM radio broadcast as a test signal.
2. Attach the Nokia headset to the phone's AV connector.
3. Use Scroll button to autotune to the radio frequency.
4. Set volume to suitable level.
5. Check audio quality with a headset.
FMTX transmitter antenna connectivity test in Phoenix
Context
The purpose is to check the connectivity between the FM TX antenna and Bob ASIC. The FM transmitter antenna
can be checked by reading the 'Antenna Tuning Values' displayed in the FM TX Control test display in Phoenix.
This test can be performed with the product specific FM TX antenna assembled. Alternatively, this test can
be performed with the FM antenna pins terminated with the external impedance provided by the MJ-241 test
jig, but then this test will not test the phone's own FMTX antenna connectivity anymore.
Steps
1. Connect data cable to phone including FM transmitter antenna.
Phoenix service software.
2. Start
3. Choose File → Scan Product .
4. Choose Testing → FMTX Control .
5. Set frequency to near the bottom of the band (92 MHz) and press the Activate button.
Figure 17 FMTX transmitter antenna connectivity test in Phoenix
6. Set the 'RF Output Power' to 120uV.
7. Press the Read button and record 'Antenna Tuning Value'.
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