Nokia RM-333 Service Manual page 183

RM-333; RM-334; RM-335
System Module and User Interface
Introduction............................................................................................................................................................8-5
Phone description .............................................................................................................................................8-5
Energy management..............................................................................................................................................8-7
Battery and charging ........................................................................................................................................8-7
Backup battery...................................................................................................................................................8-7
Normal and extreme voltages .........................................................................................................................8-8
Power key and system power-up ....................................................................................................................8-8
Power distribution ............................................................................................................................................8-9
Clocking scheme .............................................................................................................................................
Bluetooth and FM RDS radio
GPS module ..........................................................................................................................................................
WLAN module ......................................................................................................................................................
FM transmitter module
High-speed USB....................................................................................................................................................
CBUS interface......................................................................................................................................................
FBUS interface ......................................................................................................................................................
ECI interface .........................................................................................................................................................
USB charger interface..........................................................................................................................................
SIM interface ........................................................................................................................................................
MicroSD card interface
Camera concept ...................................................................................................................................................
Camera concept ..............................................................................................................................................
User interface.......................................................................................................................................................
User interface..................................................................................................................................................
Display module ...............................................................................................................................................
I/O expander and keyboard
Illumination ....................................................................................................................................................
Naviscroll.........................................................................................................................................................
ASICs......................................................................................................................................................................
RAPIDOYAWE ..................................................................................................................................................
EM ASIC BETTY N2300
EM ASIC VILMA N2200
Device memories .................................................................................................................................................
Combo memory ..............................................................................................................................................
Audio concept ......................................................................................................................................................
Audio HW architecture...................................................................................................................................
Internal microphone
Internal earpiece ............................................................................................................................................
Internal speakers............................................................................................................................................
Vibra circuitry .................................................................................................................................................
Accessory AV connector
External earpiece and microphone
Baseband technical specifications.....................................................................................................................
External interfaces
SIM IF connections..........................................................................................................................................
Charger connector and charging interface connections & electrical characteristics
Internal interfaces..........................................................................................................................................
Back-up battery interface electrical
RF technical description......................................................................................................................................
RF block diagram............................................................................................................................................
Issue 2
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characteristics....................................................................................
COMPANY CONFIDENTIAL
Copyright © 2008 Nokia. All rights reserved.
Table of Contents
8-10
8-11
8-12
8-13
8-13
8-13
8-14
8-14
8-14
8-14
8-15
8-16
8-16
8-16
8-17
8-17
8-18
8-19
8-21
8-22
8-23
8-23
8-23
8-23
8-24
8-24
8-24
8-24
8-25
8-25
8-26
8-26
8-27
8-28
8-29
8-29
8-29
.............................. 8-29
8-30
8-30
8-31
8-31
Page 8 -3