Fm Radio Troubleshooting Diagram; Notes To "Fm Radio Troubleshooting Diagram - Nokia NPM-6 Series Troubleshooting Instructions

Troubleshooting Instructions

FM Radio troubleshooting diagram

Notes to "FM Radio troubleshooting diagram"

Use 1MHz 1X probe when measuring Audio and clock signals with oscilloscope.
Use active RF probe when measuring frequencies with spectrum analyzer.
Note 1. RF test signal parameters:
- Amplitude, A, –67.0 dBm
- Carrier frequency, f
- Deviation, ,f, 75 kHz
- Modulating frequency f
- FM stereo, mode R=L, pilot state ON
Page 48
, 98,000 MHz
c
, 1,000 kHz (RF generator internal)
m
ãNokia Corporation.
CCS Technical Documentation
Issue 1 01/03