Nokia RM-627 Service Manual page 143

RM-627
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........................................................................................................................................
Ambient light sensor (ALS)
Audio interface ...................................................................................................................................................
AV connector .......................................................................................................................................................
Bluetooth interface ............................................................................................................................................
FM radio interface...............................................................................................................................................
RF description .....................................................................................................................................................
Receiver (RX) ..................................................................................................................................................
Transmitter (TX) ............................................................................................................................................
List of Tables
Table 10 Nominal voltages...................................................................................................................................
Table 11 Key signal matrix
List of Figures
Figure 30 Battery pin order
Figure 31 Blade battery connector
Figure 32 Power distribution diagram
Figure 33 SIM interface
Figure 34 MicroSD card interface
Figure 35 USB interface......................................................................................................................................
Figure 36 MicroUSB connector
Figure 37 Display interface................................................................................................................................
Figure 38 Keyboard interface............................................................................................................................
Figure 39 Ambient light sensor (ALS)
Figure 40 Audio interface
Figure 41 AV connector......................................................................................................................................
Figure 42 Bluetooth interface
Figure 43 FM radio interface
Issue 1
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