User Guide

Figure 104 Audio block diagram..............................................................................................................................................9–23
Figure 105 Internal microphone circuitry.............................................................................................................................9–24
Figure 106 External microphone circuitry (Pop-Port connects to the right side)....................................................9–24
Figure 107 Internal earpiece circuitry....................................................................................................................................9–25
Figure 108 Internal speaker circuitry.....................................................................................................................................9–25
Figure 109 External earpiece circuitry (Pop-Port connected on the right)................................................................9–26
Figure 110 Vibra circuitry...........................................................................................................................................................9–26
Figure 111 External audio connector.....................................................................................................................................9–27
Figure 112 Charger connector..................................................................................................................................................9–32
Figure 113 Battery connector...................................................................................................................................................9–33
Figure 114 UI connector.............................................................................................................................................................9–34
Figure 115 Display connector...................................................................................................................................................9–36
Figure 116 WCDMA transmitter................................................................................................................................................9–42
Figure 117 Block diagram of DCDC converter and WCDMA PA........................................................................................9–43
Figure 118 GSM transmitter.......................................................................................................................................................9–44
Figure 119 GSM/EDGE power control topology and control signals.............................................................................9–45
Figure 120 Power control signal usage in GSM (GMSK) and EDGE (8PSK) transmission. Timings are not shown
accurately........................................................................................................................................................................................9–45
Figure 121 Phase locked loop in N7500 and N7501 (PLL)...............................................................................................9–47
Figure 122 RF supply connections from the BB mixed mode ASIC................................................................................9–48
RM-1
System Module Nokia Customer Care
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