Nokia N72, Service Manual

Page: 240 / 302

Battery connector and interface connections & electrical characteristics ........................................... 9–38
Internal interfaces ........................................................................................................................................... 9–38
Internal interfaces ...................................................................................................................................... 9–38
UI connections ............................................................................................................................................ 9–39
Keyboard interface electrical characteristics .......................................................................................... 9–39
Display connector and interface connections ......................................................................................... 9–40
Camera interface connections and electrical characteristics ................................................................. 9–41
Flash LED interface and electrical characteristics ................................................................................... 9–43
Slider switch electrical characteristics ..................................................................................................... 9–44
Back-up battery interface connections and electrical characteristics .................................................. 9–44
RF description ....................................................................................................................................................... 9–44
Receiver ............................................................................................................................................................ 9–44
Introduction to receiver functionality ..................................................................................................... 9–44
GSM receiver ................................................................................................................................................ 9–44
Transmitter ...................................................................................................................................................... 9–45
Introduction to transmitter functionality ............................................................................................... 9–45
GSM transmitter functionality ................................................................................................................... 9–45
Frequency synthesizers .................................................................................................................................. 9–45
Regulators ........................................................................................................................................................ 9–46
Frequency mappings ............................................................................................................................................ 9–47
EGSM900 frequencies ...................................................................................................................................... 9–47
GSM1800 frequencies ...................................................................................................................................... 9–48
GSM1900 frequencies ...................................................................................................................................... 9–49
List of Tables
Table 16 Camera specifications .......................................................................................................................... 9–18
Table 17 Keymatrix .............................................................................................................................................. 9–23
Table 18 LED driver control signals .................................................................................................................... 9–25
Table 19 ALS resistor values ................................................................................................................................ 9–26
Table 20 Supply voltages for combo memory interfaces ................................................................................. 9–27
Table 21 Audio connector pin assignments ...................................................................................................... 9–32
Table 22 Charging interface connections .......................................................................................................... 9–37
Table 23 Charging IF electrical characteristics .................................................................................................. 9–37
Table 24 Battery interface connections ............................................................................................................. 9–38
Table 25 Battery IF electrical characteristics ..................................................................................................... 9–38
Table 26 User interface connections .................................................................................................................. 9–39
Table 27 Display interface connections ............................................................................................................. 9–40
Table 28 Camera interface connections ............................................................................................................. 9–41
Table 29 Camera CCP IF electrical characteristics .............................................................................................. 9–42
Table 30 Camera supply voltage characteristics ............................................................................................... 9–43
Table 31 Camera control IF electrical characteristics ....................................................................................... 9–43
Table 32 Flash LED interface connections .......................................................................................................... 9–43
Table 33 Flash LED interface electrical characteristics .................................................................................... 9–44
Table 34 Back-up battery connections ............................................................................................................... 9–44
Table 35 Back-up battery electrical characteristics .......................................................................................... 9–44
List of Figures
Figure 86 System level block diagram .................................................................................................................. 9–7
Figure 87 Functional block diagram ..................................................................................................................... 9–8
Figure 88 Application processor high level block diagram ................................................................................ 9–9
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