Nokia N73 - Smartphone 42 MB, Руководство по обслуживанию и каталог запасных частей

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UI module connector and IF connections ................................................................................................ 9–29
Keyboard interface electrical characteristics .......................................................................................... 9–30
Keyboard connector and interface connections ..................................................................................... 9–31
Back camera electrical characteristics ..................................................................................................... 9–32
Front camera electrical characteristics .................................................................................................... 9–32
Flash LED interface and electrical characteristics ................................................................................... 9–32
Slider switch electrical characteristics ..................................................................................................... 9–33
Back-up battery interface connections and electrical characteristics .................................................. 9–33
RF description ....................................................................................................................................................... 9–33
RF introduction ................................................................................................................................................ 9–33
Regulators ........................................................................................................................................................ 9–34
RF block diagrams ........................................................................................................................................... 9–34
Frequency plan ................................................................................................................................................ 9–35
Receiver ............................................................................................................................................................ 9–36
Introduction to receiver functionality ..................................................................................................... 9–36
WCDMA receiver .......................................................................................................................................... 9–36
GSM receiver ................................................................................................................................................ 9–37
Transmitter ...................................................................................................................................................... 9–37
Introduction to transmitter functionality ............................................................................................... 9–37
WCDMA transmitter .................................................................................................................................... 9–37
GSM transmitter .......................................................................................................................................... 9–38
Frequency synthesizers .................................................................................................................................. 9–38
Frequency mappings ............................................................................................................................................ 9–39
GSM850 frequencies ........................................................................................................................................ 9–39
EGSM900 frequencies ...................................................................................................................................... 9–40
GSM1800 frequencies ...................................................................................................................................... 9–41
GSM1900 frequencies ...................................................................................................................................... 9–42
WCDMA 2100 Rx frequencies .......................................................................................................................... 9–43
WCDMA 2100 Tx frequencies .......................................................................................................................... 9–44
List of Tables
Table 19 Battery interface connections ............................................................................................................. 9–12
Table 20 Camera specifications .......................................................................................................................... 9–12
Table 21 Keymatrix .............................................................................................................................................. 9–15
Table 22 Audio connector pin assignments ...................................................................................................... 9–25
Table 23 Charging interface connections .......................................................................................................... 9–27
Table 24 Charging IF electrical characteristics .................................................................................................. 9–27
Table 25 Camera CCP IF electrical characteristics .............................................................................................. 9–32
Table 26 Camera supply voltage characteristics ............................................................................................... 9–32
Table 27 Front camera supply voltage characteristics ..................................................................................... 9–32
Table 28 Flash LED interface connections .......................................................................................................... 9–32
Table 29 Flash LED interface electrical characteristics .................................................................................... 9–33
Table 30 Back-up battery connections ............................................................................................................... 9–33
Table 31 Back-up battery electrical characteristics .......................................................................................... 9–33
List of Figures
Figure 76 System level block diagram .................................................................................................................. 9–7
Figure 77 Power distribution diagram ................................................................................................................. 9–9
Figure 78 SIM interface ........................................................................................................................................ 9–11
Figure 79 Battery pin order ................................................................................................................................. 9–12
RM-132; RM-133
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