Nokia RM-42 Service Manual page 422

Nokia Customer Care
Back-up battery interface connections and electrical characteristics....................................................................9-46
RF description................................................................................................................................................................................9-46
Introduction to receiver functionality..............................................................................................................................9-46
WCDMA receiver.......................................................................................................................................................................9-47
GSM receiver.............................................................................................................................................................................9-47
Introduction to transmitter functionality.......................................................................................................................9-48
WCDMA transmitter................................................................................................................................................................9-48
GSM transmitter.......................................................................................................................................................................9-49
Frequency synthesizers.........................................................................................................................................................9-52
Regulators.................................................................................................................................................................................9-53
Frequency mappings...................................................................................................................................................................9-55
EGSM900 frequencies.............................................................................................................................................................9-55
GSM1800 frequencies............................................................................................................................................................9-56
GSM1900 frequencies............................................................................................................................................................9-57
WCDMA Rx frequencies..........................................................................................................................................................9-58
WCDMA Tx frequencies..........................................................................................................................................................9-59
List of Tables
Table 16 Keymatrix......................................................................................................................................................................9-23
Table 17 ALS resistor values......................................................................................................................................................9-25
Table 18 Audio connector pin assignments.........................................................................................................................9-30
Table 19 Charging interface connections..............................................................................................................................9-35
Table 20 Charging IF electrical characteristics....................................................................................................................9-36
Table 21 Battery interface connections.................................................................................................................................9-36
Table 22 Battery IF electrical characteristics........................................................................................................................9-36
Table 23 User interface connections......................................................................................................................................9-37
Table 24 Interface signals between RM-42 BB and Toshiba camera DSP...................................................................9-41
Table 25 Interface signals between Toshiba camera DSP and Unagi 2Mpix AF camera module........................9-41
Table 26 Unagi Camera CCP IF electrical characteristics...................................................................................................9-42
Table 27 Unagi Camera supply voltage characteristics....................................................................................................9-43
Table 28 Unagi Camera control IF electrical characteristics............................................................................................9-43
Table 29 Camera DSP supply voltage characteristics........................................................................................................9-44
Table 30 Camera DSP control IF electrical characteristics................................................................................................9-44
Table 31 Camera DSP CCP IF electrical characteristics.......................................................................................................9-45
Table 32 Camera system regulators IF electrical characteristics...................................................................................9-46
Table 33 Back-up battery connections...................................................................................................................................9-46
Table 34 Back-up battery electrical characteristics...........................................................................................................9-46
List of Figures
Figure 96 Internal and external connections diagram.......................................................................................................9-8
Figure 97 Functional block diagram.........................................................................................................................................9-9
Figure 98 Helen3 high level block diagram............................................................................................................................9-9
Figure 99 State diagram.............................................................................................................................................................9-12
Figure 100 Power distribution diagram................................................................................................................................9-14
Figure 101 System start-up timing.........................................................................................................................................9-16
Figure 102 Clocking scheme......................................................................................................................................................9-17
Figure 103 Reduced size MMC...................................................................................................................................................9-18
Figure 104 MMC interface...........................................................................................................................................................9-18
Figure 105 Battery pin order.....................................................................................................................................................9-19
Figure 106 Block diagram of camera system.......................................................................................................................9-20
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RM-42
System Module
9241872 (Issue 1)