Nokia N72 Service Manual page 241

RM-180
System Module Nokia Customer Care
Figure 89 Power distribution diagram..............................................................................................................9–12
Figure 90 Clocking scheme..................................................................................................................................9–14
Figure 91 SIM interface........................................................................................................................................9–16
Figure 92 MMC interface......................................................................................................................................9–17
Figure 93 Battery pin order.................................................................................................................................9–18
Figure 94 Camera module cross section and assembly principle....................................................................9–19
Figure 95 Camera module bottom view including serial numbering.............................................................9–19
Figure 96 Slider switch connection....................................................................................................................9–20
Figure 97 Simplified flash LED connection.........................................................................................................9–21
Figure 98 General diagram of the LCD module.................................................................................................9–22
Figure 99 Keyboard layout..................................................................................................................................9–24
Figure 100 ALS HW implementation..................................................................................................................9–26
Figure 101 Audio block diagram.........................................................................................................................9–29
Figure 102 Internal microphone circuitry..........................................................................................................9–29
Figure 103 External microphone circuitry (Pop-Port connects to the right side)..........................................9–30
Figure 104 Internal earpiece circuitry................................................................................................................9–30
Figure 105 Internal speaker circuitry.................................................................................................................9–30
Figure 106 External earpiece circuitry (system connector connected on the right).....................................9–31
Figure 107 Vibra circuitry....................................................................................................................................9–31
Figure 108 External audio connector.................................................................................................................9–32
Figure 109 Charger connector.............................................................................................................................9–37
Figure 110 Battery connector.............................................................................................................................9–38
Figure 111 Display connector..............................................................................................................................9–40
Figure 112 GSM transmitter.................................................................................................................................9–45
Figure 113 RF supply connections from the BB mixed mode ASIC..................................................................9–46
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