Nokia RM-506 - Page 202

Internal interfaces.......................................................................................................................................... 8–37
Back-up battery interface electrical characteristics.................................................................................... 8–38
RF technical description...................................................................................................................................... 8–38
RF block diagram............................................................................................................................................ 8–38
Receiver (RX)................................................................................................................................................... 8–39
Transmitter (TX) ............................................................................................................................................. 8–39
Frequency mappings........................................................................................................................................... 8–40
GSM850 frequencies....................................................................................................................................... 8–40
EGSM900 frequencies..................................................................................................................................... 8–40
GSM1800 frequencies..................................................................................................................................... 8–41
GSM1900 frequencies..................................................................................................................................... 8–43
WCDMA 2100 Rx frequencies......................................................................................................................... 8–44
WCDMA 2100 Tx frequencies ......................................................................................................................... 8–45
WCDMA V (850) frequencies .......................................................................................................................... 8–46
WCDMA VIII (900) frequencies....................................................................................................................... 8–47
List of Tables
Table 13 Nominal voltages................................................................................................................................. 8–10
Table 14 Average current consumption............................................................................................................ 8–11
Table 15 Charging interface connections ......................................................................................................... 8–37
Table 16 Charging IF electrical characteristics ................................................................................................. 8–37
Table 17 Back-up battery electrical characteristics ......................................................................................... 8–38
List of Figures
Figure 58 System module block diagram ............................................................................................................8–8
Figure 59 Board and module connections...........................................................................................................8–9
Figure 60 Battery pin order...................................................................................................................................8–9
Figure 61 Blade battery connector .................................................................................................................... 8–10
Figure 62 Power distribution............................................................................................................................. 8–12
Figure 63 Clocking scheme................................................................................................................................. 8–13
Figure 64 Bluetooth & FM radio block diagram ............................................................................................... 8–15
Figure 65 Block diagram of the GPS system ..................................................................................................... 8–17
Figure 66 WLAN module ..................................................................................................................................... 8–18
Figure 67 FM transmitter.................................................................................................................................... 8–19
Figure 68 HS USB block diagram........................................................................................................................ 8–20
Figure 69 USB charger interface block diagram............................................................................................... 8–21
Figure 70 SIM interface ....................................................................................................................................... 8–21
Figure 71 MicroSD card interface ....................................................................................................................... 8–22
Figure 72 Camera subsystem block diagram.................................................................................................... 8–24
Figure 73 Proximity sensor and boot................................................................................................................ 8–24
Figure 74 Proximity sensor reference design and measurement points ...................................................... 8–25
Figure 75 Touch screen controller..................................................................................................................... 8–26
Figure 76 Display block diagram ....................................................................................................................... 8–27
Figure 77 Backlight control for HW keys........................................................................................................... 8–28
Figure 78 Display backlighting system.............................................................................................................. 8–29
Figure 79 Digital Ambient Light Sensor location ............................................................................................. 8–30
Figure 80 Digital Ambient light sensor schematics ......................................................................................... 8–31
Figure 81 Audio system block ............................................................................................................................ 8–33
Figure 82 Internal microphone.......................................................................................................................... 8–33
Figure 83 Internal earpiece circuitry................................................................................................................. 8–34
RM-505; RM-506
System Module and User Interface
Page 8 –4 COMPANY CONFIDENTIAL Issue 1
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