Fm Radio Testing - Nokia RM-235 Service Manual

RM-235
BB troubleshooting
3. Choose File→Scan Product.
4. From the Mode drop-down menu, set mode to Local.
5. Choose Testing→Self Tests.
Self Tests window check the following Bluetooth and FM radio related tests:
6. In the
• ST_LPRF_IF_TEST
• ST_LPRF_AUDIO_LINES_TEST
• ST_BT_WAKEUP_TEST
• ST_RADIO_TEST
7. To run the tests, click Start.

FM radio testing

Steps
1. Set signal generator parameters:
• FM modulation on
• Frequency 100MHz
• FM deviation 22kHz
• Modulation frequency 1kHz
• RF level should be varied during the test to obtain good audio signal quality
• 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.
Issue 1
Figure 17 Bluetooth and FM radio self tests in
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