User Guide

List of Figures
Figure 39 Charging backup battery ................................................................................................................... 4–10
Figure 40 Discharging backup battery .............................................................................................................. 4–10
Figure 41 Take single trig measurement for the rise of the BSI signal. ........................................................ 4–12
Figure 42 USB connector..................................................................................................................................... 4–17
Figure 43 Bluetooth antenna............................................................................................................................. 4–34
Figure 44 Bluetooth and FM radio component layout..................................................................................... 4–35
Figure 45 BER test result..................................................................................................................................... 4–36
Figure 46 Bluetooth self tests in Phoenix......................................................................................................... 4–37
Figure 47 Single-ended output waveform of the Ext_in_HP_out measurement when earpiece is
connected. ................................................................................................................................................. 4–41
Figure 48 Differential output waveform of the Ext_in_IHF_out out loop measurement when speaker is
connected. ................................................................................................................................................. 4–42
Figure 49 Single-ended output waveform of the Ext_in_Ext_out loop........................................................... 4–42
Figure 50 Single-ended output waveform of the HP_in_Ext_out loop. .......................................................... 4–43
RM-135
Nokia Customer Care BB Troubleshooting and Manual Tuning Guide
Page 4 –4 COMPANY CONFIDENTIAL Issue 1
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