User Guide

List of Figures
Figure 33 Charging backup battery ................................................................................................................... 6–11
Figure 34 Discharging backup battery .............................................................................................................. 6–11
Figure 35 Take single trig measurement for the rise of the BSI signal. ........................................................ 6–13
Figure 36 RM-176 Bluetooth antenna ............................................................................................................... 6–32
Figure 37 RM-176 Bluetooth and FM radio component layout....................................................................... 6–33
Figure 38 BER test result..................................................................................................................................... 6–34
Figure 39 Bluetooth self tests in Phoenix......................................................................................................... 6–35
Figure 40 Testing instructions for the Bluetooth 38,4 MHz clock signal ....................................................... 6–36
Figure 41 Single-ended output waveform of the Ext_in_HP_out measurement when earpiece is
connected. ................................................................................................................................................. 6–40
Figure 42 Single-ended output waveform of the Ext_in_IHF_out out loop measurement when speaker
is connected (measured at speaker pads). No filter is used. ............................................................... 6–41
Figure 43 Single-ended output waveform of the Ext_in_Ext_out loop........................................................... 6–41
Figure 44 Single-ended output waveform of the Digital_stereo_microphone_in_Ext_out loop.................. 6–41
Figure 45 Data out signal ................................................................................................................................... 6–44
RM-176
Nokia Customer Care BB Troubleshooting and Manual Tuning Guide
Page 6 –4 COMPANY CONFIDENTIAL Issue 1
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