Table of Contents
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RM-36
System Module
Nokia Customer Care
List of Figures
Figure 98 System level block diagram......................................................................................................................................9–7
Figure 99 Functional block diagram.........................................................................................................................................9–8
Figure 100 Helen3 high level block diagram..........................................................................................................................9–9
Figure 101 State diagram..........................................................................................................................................................9–12
Figure 102 Power distribution diagram................................................................................................................................9–13
Figure 103 System start-up timing.........................................................................................................................................9–15
Figure 104 Clocking scheme......................................................................................................................................................9–16
Figure 105 SIM interface.............................................................................................................................................................9–17
Figure 106 MMC interface...........................................................................................................................................................9–17
Figure 107 Battery pin order.....................................................................................................................................................9–18
Figure 108 Block diagram of Mirage-X camera module...................................................................................................9–19
Figure 109 Slider switch connection......................................................................................................................................9–20
Figure 110 Simplified flash LED connection.........................................................................................................................9–21
Figure 111 Front camera connections...................................................................................................................................9–22
Figure 112 General diagram of the LCD module.................................................................................................................9–22
Figure 113 ALS HW implementation.......................................................................................................................................9–24
Figure 114 Audio block diagram..............................................................................................................................................9–27
Figure 115 Internal microphone circuitry.............................................................................................................................9–27
Figure 116 External microphone circuitry (Pop-Port connects to the right side)....................................................9–28
Figure 117 Internal earpiece circuitry....................................................................................................................................9–28
Figure 118 Internal speaker circuitry.....................................................................................................................................9–29
Figure 119 External earpiece circuitry (Pop-Port connected on the right)................................................................9–30
Figure 120 Vibra circuitry...........................................................................................................................................................9–30
Figure 121 External audio connector.....................................................................................................................................9–31
Figure 122 Charger connector..................................................................................................................................................9–36
Figure 123 Battery connector...................................................................................................................................................9–37
Figure 124 UI connector.............................................................................................................................................................9–38
Figure 125 Display connector...................................................................................................................................................9–39
Figure 126 WCDMA transmitter................................................................................................................................................9–48
Figure 127 Block diagram of DCDC converter and WCDMA PA........................................................................................9–49
Figure 128 GSM transmitter.......................................................................................................................................................9–50
Figure 129 GSM/EDGE power control topology and control signals.............................................................................9–51
Figure 130 Power control signal usage in GSM (GMSK) and EDGE (8PSK) transmission..........................................9–51
Figure 131 Phase locked loop in N7500 and N7501 (PLL)...............................................................................................9–52
Figure 132 RF supply connections from the BB mixed mode ASIC................................................................................9–53
Issue 1
Company Confidential
Page 9–5
Copyright ©2005 Nokia. All Rights Reserved.
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