Nokia NPL-4 Series Troubleshooting Instructions page 101

Company confidential NPL-4/5/
Nokia Customer Care Troubleshooting Instructions
Diagrams of FM radio signals
Figure 42: 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 signal
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Issue 2 05/05 Page 101