User Guide

CCS Technical Documentation
Company confidential RH-23
Issue 1 03/2004 Nokia Corporation. Page 55
FM Radio Troubleshooting
Notes to FM-Radio Troubleshooting:
• Use 1MHz 1X probe when measuring audio and clock signals with oscilloscope.
• Use active RF probe when measuring frequencies with spectrum analyzer.
• Use CA-6UT audio test cable to input FM Signal and force “Tomahawk Stereo
Headset” on FM Radio Test Phoenix.
RF Test signal parameters:
• Amplitude, A, -67dBm
• Carrier frequency, fc, 98.000MHz
•Deviation, fm 75 kHz
• Modulating frequency, fm, 1.000kHz (RF generator internal)
• FM Stereo, Mode R=L, Pilot state ON
Figure 48: CA-6UT