Nokia N81 - Page 54

List of Figures
Figure 15 Charging backup battery ................................................................................................................... 3–10
Figure 16 Discharging backup battery .............................................................................................................. 3–10
Figure 17 Take single trig measurement for the rise of the BSI signal. ........................................................ 3–12
Figure 18 EMMC initialise .................................................................................................................................... 3–17
Figure 19 USB connector..................................................................................................................................... 3–19
Figure 20 WLAN alignment targets ................................................................................................................... 3–24
Figure 21 Bluetooth and FM radio component layout..................................................................................... 3–37
Figure 22 BER test result..................................................................................................................................... 3–38
Figure 23 Bluetooth self tests in Phoenix......................................................................................................... 3–39
Figure 24 Single-ended output waveform of the Ext_in_HP_out measurement when earpiece is
connected. ................................................................................................................................................. 3–43
Figure 25 Differential output waveform of the Ext_in_IHF_out out loop measurement when speaker is
connected. ................................................................................................................................................. 3–43
Figure 26 Single-ended output waveform of the Ext_in_Ext_out loop........................................................... 3–43
Figure 27 Single-ended output waveform of the HP_in_Ext_out loop. .......................................................... 3–44
RM-179; RM-223
Baseband Troubleshooting
Page 3 –4 COMPANY CONFIDENTIAL Issue 1
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