Nokia 5800 - XpressMusic Smartphone - WCDMA, Service Manual

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Baseband technical specifications ..................................................................................................................... 6–36
External interfaces ......................................................................................................................................... 6–36
SIM IF connections .......................................................................................................................................... 6–37
Charging interface connections & electrical characteristics ...................................................................... 6–37
Internal interfaces .......................................................................................................................................... 6–37
Back-up battery interface electrical characteristics .................................................................................... 6–38
RF description ...................................................................................................................................................... 6–39
Block diagram ................................................................................................................................................. 6–39
Receiver (RX) ................................................................................................................................................... 6–39
Transmitter (TX) ............................................................................................................................................. 6–40
Frequency mappings ........................................................................................................................................... 6–41
GSM850 frequencies ....................................................................................................................................... 6–41
EGSM900 frequencies ..................................................................................................................................... 6–41
GSM1800 frequencies ..................................................................................................................................... 6–42
GSM1900 frequencies ..................................................................................................................................... 6–44
WCDMA 2100 Rx frequencies ......................................................................................................................... 6–45
WCDMA 2100 Tx frequencies ......................................................................................................................... 6–46
WCDMA VIII (900) frequencies ....................................................................................................................... 6–47
List of Tables
Table 14 Nominal voltages .................................................................................................................................... 6–9
Table 15 Interface signals .................................................................................................................................. 6–19
Table 16 Charging interface connections ......................................................................................................... 6–37
Table 17 Charging IF electrical characteristics ................................................................................................. 6–37
Table 18 Back-up battery connections .............................................................................................................. 6–38
Table 19 Back-up battery electrical characteristics ......................................................................................... 6–38
List of Figures
Figure 52 Battery pin order ................................................................................................................................... 6–8
Figure 53 Small (right) and wide (left) charger plugs ........................................................................................ 6–9
Figure 54 RM-356 clocking scheme, TBD ........................................................................................................... 6–12
Figure 55 FM interface ........................................................................................................................................ 6–12
Figure 56 Micro B receptacle .............................................................................................................................. 6–13
Figure 57 SIM interface ....................................................................................................................................... 6–14
Figure 58 Accelerometer schematics ................................................................................................................. 6–15
Figure 59 Block diagram of the GPS system ..................................................................................................... 6–17
Figure 60 Block diagram ..................................................................................................................................... 6–19
Figure 61 Block diagram of TV out connection ................................................................................................ 6–21
Figure 62 Imaging and video subsystem block diagram ................................................................................ 6–22
Figure 63 Imaging HWA block diagram ............................................................................................................ 6–23
Figure 64 Proximity sensor and boot ................................................................................................................ 6–23
Figure 65 Proximity sensor and boot location ................................................................................................. 6–24
Figure 66 Proximity sensor reference design and measurement points ...................................................... 6–24
Figure 67 Touch screen controller ..................................................................................................................... 6–25
Figure 68 Display block diagram ....................................................................................................................... 6–26
Figure 69 Backlight control for HW keys ........................................................................................................... 6–26
Figure 70 Display backlighting system .............................................................................................................. 6–27
Figure 71 Digital Ambient Light Sensor location ............................................................................................. 6–27
Figure 72 Digital Ambient light sensor schematics ......................................................................................... 6–28
Figure 73 Audio block diagram .......................................................................................................................... 6–30
RM-356
System Module and User Interface
Page 6 –4 COMPANY CONFIDENTIAL Issue 1
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