User Guide

Nokia Customer Care Troubleshooting Instructions
Company Confidential RH-30/RH-31
Issue 2 11/2004 © 2004 Nokia Corporation. Page 63
Diagrams of FM radio signals
Figure 56: Oscilloscope screen shot, Audio output
Signal 1: Audio output from PWB test points J103 and J104, with FM test signal, volume
100%.
Signal 2: Audio output from FM radio pins 22 and 23(same as in C162 and C163), with
FM test signa
Figure 57: FM radio clock from test point J359, 32 kHz frequency clock signal, when radio is on.l