Nokia RM-645 Service Manual page 151

RM-645
System Module
Introduction...........................................................................................................................................................
Phone description
Energy management.............................................................................................................................................
Battery and charging
Normal and extreme voltages
Power key and system power-up
Modes of operation
Clocking scheme ............................................................................................................................................
Power distibution
SIM interface .......................................................................................................................................................
MicroSD card interface
USB .......................................................................................................................................................................
USB interface..................................................................................................................................................
MicroUSB connector
User interface......................................................................................................................................................
Display interface............................................................................................................................................
Keyboard interface........................................................................................................................................
Camera interface ................................................................................................................................................
Audio interface ...................................................................................................................................................
Bluetooth interface ............................................................................................................................................
GPS interface .......................................................................................................................................................
FM radio interface...............................................................................................................................................
RF description .....................................................................................................................................................
Receiver (RX) ..................................................................................................................................................
Transmitter (TX) ............................................................................................................................................
Frequency mappings..........................................................................................................................................
GSM850 frequencies
EGSM900 frequencies
GSM1800 frequencies....................................................................................................................................
GSM1900 frequencies....................................................................................................................................
WCDMA 2100 Rx frequencies
WCDMA 2100 Tx frequencies
WCDMA VIII (900) frequencies......................................................................................................................
List of Tables
Table 10 Nominal voltages...................................................................................................................................
List of Figures
Figure 34 Battery pin order
Figure 35 Power distribution diagram
Figure 36 SIM interface
Figure 37 MicroSD card interface
Figure 38 USB interface......................................................................................................................................
Figure 39 MicroUSB connector
Figure 40 Display interface................................................................................................................................
Figure 41 Keyboard interface............................................................................................................................
Figure 42 Camera interface
Figure 43 Audio interface
Issue 1
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