Nokia 300 Service Manual page 111

RM-781
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 distribution
SIM interface ..........................................................................................................................................................
MicroSD card interface
USB .......................................................................................................................................................................
USB interface..................................................................................................................................................
MicroUSB connector
User interface......................................................................................................................................................
Display interface............................................................................................................................................
Keyboard interface........................................................................................................................................
Camera interface ................................................................................................................................................
Audio interface ...................................................................................................................................................
Bluetooth interface ............................................................................................................................................
Proximity sensor.................................................................................................................................................
Touch screen controller
Cellular RF technical description
RF block ..........................................................................................................................................................
QuBBE .............................................................................................................................................................
Receiver (RX) ..................................................................................................................................................
Synthesizer.....................................................................................................................................................
Transmitter (TX) ............................................................................................................................................
List of Tables
Table 5 Nominal voltages
List of Figures
Figure 9 Battery pin order
Figure 10 Blade battery connector
Figure 11 Small (right) and wide (left) charger plugs
Figure 12 Power distribution diagram
Figure 13 SIM interface
Figure 14 MicroSD card interface
Figure 15 MicroUSB connector
Figure 16 Display interface................................................................................................................................
Figure 17 Keyboard interface............................................................................................................................
Figure 18 Camera interface
Figure 19 Audio interface
Figure 20 Bluetooth interface
Figure 21 Touch screen controller
Figure 22 Linko RF block diagram
Issue 1
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