User Guide
Nokia Customer Care System Module and User Interface
NPL-4/5
Issue 1 05/04 Copyright © 2004 Nokia Corporation. All rights reserved. Page 5
Keyboard LEDs driver .........................................................................................................................68
Display and air bubble LED driver ..................................................................................................69
Flashlight LEDs driver ........................................................................................................................69
Internal microphone ..........................................................................................................................70
Internal speaker ..................................................................................................................................71
IHF ...........................................................................................................................................................71
Headset connections .........................................................................................................................72
Vibra .......................................................................................................................................................73
RF Module............................................................................................................................................... 74
RF frequency plan........................................................................................................................... 75
DC characteristics ..............................................................................................................................76
Regulators......................................................................................................................................... 76
Power distribution.......................................................................................................................... 77
RF characteristics ...............................................................................................................................78
RF block diagram ............................................................................................................................ 79
RF block diagram NPL-4/5 ........................................................................................................... 79
Frequency synthesizers ................................................................................................................. 80
Receiver ............................................................................................................................................. 80
Transmitter ....................................................................................................................................... 81
Antenna switch module................................................................................................................ 82
Power Amplifier............................................................................................................................... 83
RF ASIC Helgo.................................................................................................................................. 84
AFC function .................................................................................................................................... 84
Antenna............................................................................................................................................ 84
List of Figures
Page No
Fig 1 Interconnection diagram................................................................................................................... 10
Fig 2 Baseband blocks. ................................................................................................................................ 13
Fig 3 PWB vias ................................................................................................................................................ 15
Fig 4 Power Distribution Diagram............................................................................................................. 18
Fig 5 Battery Pack Contacts........................................................................................................................ 35
Fig 6 Camera Connections to Baseband.................................................................................................. 37
Fig 7 FM Radio Audio-, Antenna- and Digital Interface Connections............................................ 37
Fig 8 Baseband and Compass Interface................................................................................................... 38
Fig 9 Ambient Temperature Sensor Interface to BB ............................................................................ 39
Fig 10 UPP/UEMEK SIM Interface Connections ....................................................................................40
Fig 11 FCI Interface....................................................................................................................................... 41
Fig 12 FCI Connector Pin Order on PWB................................................................................................. 41
Fig 13 Earth’s Magnetic Field..................................................................................................................... 44
Fig 14 Earths’s Magnetic Field Components.......................................................................................... 45
Fig 15 Block Diagram.................................................................................................................................... 46
Fig 16 Magnetometer Sensor Block Diagram ........................................................................................ 49
Fig 17 Pin Assignment In Package............................................................................................................ 50
Fig 18 Test Circuitry ...................................................................................................................................... 51
Fig 19 Offset strap coil current effect ......................................................................................
............... 51
Fig 20 Block Diagram.................................................................................................................................... 52
Fig 21 Directions Through Phone .............................................................................................................. 57










