Nokia MOBILE TERMINAL Service Manual page 205

RM-356
System Module and User Interface
Introduction............................................................................................................................................................6-7
Phone description .............................................................................................................................................6-7
Energy management..............................................................................................................................................6-8
Battery and charging ........................................................................................................................................6-8
Backup battery...................................................................................................................................................6-9
Normal and extreme voltages .........................................................................................................................6-9
Power key and system power-up
Modes of operation
Power distribution
Clocking scheme .............................................................................................................................................
Bluetooth .............................................................................................................................................................
FM radio................................................................................................................................................................
High-speed USB....................................................................................................................................................
CBUS interface......................................................................................................................................................
FBUS ......................................................................................................................................................................
ECI interface .........................................................................................................................................................
Charger interface .................................................................................................................................................
SIM interface ........................................................................................................................................................
µSD card interface ...............................................................................................................................................
Accelerometer......................................................................................................................................................
I/O Expander ........................................................................................................................................................
GPS interface ........................................................................................................................................................
WLAN functional description..............................................................................................................................
TV out interface ...................................................................................................................................................
Camera concept ...................................................................................................................................................
Imaging characteristics
Imaging HWA..................................................................................................................................................
User interface.......................................................................................................................................................
Resistive touch screen
Proximity sensor
Touch screen controller
Display .............................................................................................................................................................
Display ........................................................................................................................................................
Backlight and illumination............................................................................................................................
Digital Ambient Light Sensor (ALS)
ASICs......................................................................................................................................................................
RAPIDOYAWE ..................................................................................................................................................
EM ASIC N2300 (Betty)....................................................................................................................................
EM ASIC N2200 (Avilma)
Device memories .................................................................................................................................................
Combo memory ..............................................................................................................................................
Audio concept ......................................................................................................................................................
Audio HW architecture...................................................................................................................................
Internal microphone
External microphone......................................................................................................................................
Internal earpiece ............................................................................................................................................
Internal speakers............................................................................................................................................
External earpiece............................................................................................................................................
Vibra ................................................................................................................................................................
AV connector...................................................................................................................................................
Issue 1
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COMPANY CONFIDENTIAL
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