Table 6 Normal And Extreme Voltages - Nokia 3555 Service Manual

RM-257; RM-270; RM-277
System Module
Introduction............................................................................................................................................................5-5
Phone description .............................................................................................................................................5-5
Energy management..............................................................................................................................................5-9
Battery interface................................................................................................................................................5-9
Normal and extreme voltages
Power key and system power-up
Modes of operation
Clocking scheme .............................................................................................................................................
USB, SIM, µSD........................................................................................................................................................
USB ...................................................................................................................................................................
SIM interface ...................................................................................................................................................
µSD card interface
Camera..................................................................................................................................................................
User interface.......................................................................................................................................................
Display module ...............................................................................................................................................
Keyboard and other
Backlight and illumination............................................................................................................................
Fold switch......................................................................................................................................................
Audio concept ......................................................................................................................................................
Audio concept.................................................................................................................................................
UHJ/AV connector ...........................................................................................................................................
Bluetooth .............................................................................................................................................................
GPS interface (RM-257 only)
RF description ......................................................................................................................................................
Receiver (RX) ...................................................................................................................................................
Transmitter (TX) .............................................................................................................................................
List of Tables
Table 9 Nominal voltages
List of Figures
Figure 22 Battery pin order ...................................................................................................................................5-9
Figure 23 Small (left) and wide (right) charger plugs ........................................................................................5-9
Figure 24 SIM interface
Figure 25 Keyboard layout
Figure 26 Side keys..............................................................................................................................................
Figure 27 Audio block
Figure 28 Bluetooth interface
Figure 29 Block diagram of the GPS system
Issue 1
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COMPANY CONFIDENTIAL
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Table of Contents
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