User Guide

CCS Technical Documentation RF Troubleshooting Instructions
Issue 1 10/02 ¤Nokia Corporation Page 73
FM Radio Troubleshooting
Figure 1: FM radio component layout.
Components L101, C101 and C102 are not shown in picture 1. Components are placed in
baseband section.
“X “–marked components are non-assembled components.
Notes to figure 2 "FM Radio troubleshooting diagram" on the next page:
Note 1. RF test signal parameters:
- Amplitude, A, –67.0 dBm
- Carrier frequency, f
c
, 98,200 MHz
- Deviation, ∆ f, 75 kHz
- Modulating frequency f
m
, 1,000 kHz (RF generator internal)
Note 2. Use 10x probe. Compare measured RF signal level to a known good product.