Figure 39 NOR CLK from J3004............................................................................................................................6–14
Figure 40 SD card initialization from pin J3206................................................................................................6–16
Figure 41 USB 1: D-TXD (PopPort TM pin 6) and D+RXD (PopPort TM pin 7) voltage levels when USB is
connected...................................................................................................................................................6–18
Figure 42 SIM interface signals...........................................................................................................................6–19
Figure 43 Single-ended output waveform of the Ext_in_HP_out measurement when earpiece is
connected...................................................................................................................................................6–34
Figure 44 Differential output waveform of the Ext_in_IHF_out out loop measurement when speaker is
connected...................................................................................................................................................6–34
Figure 45 Single-ended output waveform of the HP_in_Ext_out loop when microphone is connected....
6–35
RM-123; RM-145
Nokia Customer Care BB Troubleshooting and Manual Tuning Guide
Page 6 –4 COMPANY CONFIDENTIAL Issue 1
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