Nokia 8390 Manuales De Servicio
NSB-8
System Module & UI
PAMS Technical Documentation
Page 2
ãNokia Corporation
Issue 1 01/02
Table of Contents
Baseband Module ........................................................................................................6
Block Diagram .............................................................................................................7
Block Diagram .............................................................................................................7
Regulators and Supply Voltage Ranges .................................................................... 9
External and Internal Signals and Connections....................................................... 10
Internal Signals and Connections ............................................................................ 10
External and Internal Signals and Connections....................................................... 10
Internal Signals and Connections ............................................................................ 10
UI (board-to-board) connector ................................................................................ 15
LCD connector ........................................................................................................ 15
DC connector........................................................................................................... 17
Headset connector ................................................................................................... 17
LCD connector ........................................................................................................ 15
DC connector........................................................................................................... 17
Headset connector ................................................................................................... 17
Modes of Operation................................................................................................. 19
Supply Voltage Regulation ..................................................................................... 20
Battery ..................................................................................................................... 20
Power Up and Reset ................................................................................................ 21
A/D Channels .......................................................................................................... 22
IR Module ............................................................................................................... 22
SIM Interface........................................................................................................... 23
Buzzer...................................................................................................................... 24
Internal Microphone ................................................................................................ 24
UPP.......................................................................................................................... 25
Memory Block......................................................................................................... 25
Supply Voltage Regulation ..................................................................................... 20
Battery ..................................................................................................................... 20
Power Up and Reset ................................................................................................ 21
A/D Channels .......................................................................................................... 22
IR Module ............................................................................................................... 22
SIM Interface........................................................................................................... 23
Buzzer...................................................................................................................... 24
Internal Microphone ................................................................................................ 24
UPP.......................................................................................................................... 25
Memory Block......................................................................................................... 25
Frequency synthesizers ..............................................................................................31
Receiver .....................................................................................................................32
Transmitter .................................................................................................................34
AFC function .............................................................................................................34
DC-compensation ......................................................................................................35
Receiver .....................................................................................................................32
Transmitter .................................................................................................................34
AFC function .............................................................................................................34
DC-compensation ......................................................................................................35