User Guide

NEM-2
System Module and User Interface CCS Technical Documentation
Page 2 Copyright Nokia. All rights reserved. Issue 1 07/03
Table of Contents
Page No
Glossary of Terms.......................................................................................................... 5
Introduction.................................................................................................................... 8
Electrical Modules .......................................................................................................8
Interconnection Diagram .............................................................................................9
Temperature Conditions ............................................................................................10
Humidity ....................................................................................................................10
Absolute Maximum Ratings ......................................................................................10
DC Characteristics .....................................................................................................11
Main Supply ............................................................................................................ 11
Phone....................................................................................................................... 11
BB Regulators ......................................................................................................... 11
Audio Player regulators .......................................................................................... 12
User Interface Modules................................................................................................ 13
Keyboard ....................................................................................................................13
Display .................................................................................................................... 13
LCD & Keyboard Illumination ..................................................................................14
UI B2B-Connector .....................................................................................................14
System Module : Baseband.......................................................................................... 16
Baseband Technical Specifications ...........................................................................16
DC Characteristics................................................................................................... 16
Power Distribution diagram .................................................................................... 17
Baseband External and Internal Signals and Connections ........................................18
FM Radio Interface ................................................................................................. 24
Internal Speaker....................................................................................................... 25
Integrated HF Speaker............................................................................................. 25
External Signals and Connections .............................................................................25
Battery connector .................................................................................................... 25
Bottom Connector ................................................................................................... 26
DC Plug ................................................................................................................... 28
Audio Line In Connector......................................................................................... 28
SIM connector ......................................................................................................... 29
MMC Connector ..................................................................................................... 29
Internal Signals and Connections ..............................................................................30
Internal microphone ................................................................................................ 30
Internal speaker ....................................................................................................... 30
Vibra ....................................................................................................................... 30
Audio player............................................................................................................ 30
Phone- Audio Player Interface (MADI).................................................................. 32
Baseband Functional Description ................................................................................ 33
Modes of Operation ...................................................................................................33
No Supply................................................................................................................ 33
Back-up ................................................................................................................... 33
Acting Dead............................................................................................................. 33
Active ...................................................................................................................... 33
Sleep Mode.............................................................................................................. 34
Charging .................................................................................................................. 34
Battery ..................................................................................................................... 34