Инструкции По Обслуживанию для Nokia 6820
CCS Technical Documentation
2 - System Module
RH-26
Issue 1 02/04
©Nokia Corporation
Page 3
Table of Contents
Page No
Glossary of Terms .......................................................................................................... 4
System Module .............................................................................................................. 7
Baseband ........................................................................................................................ 8
System Module .............................................................................................................. 7
Baseband ........................................................................................................................ 8
Technical summary ......................................................................................................8
Main technical specifications ......................................................................................9
Main technical specifications ......................................................................................9
DC characteristics ..................................................................................................... 9
Internal signals and connections ............................................................................. 12
External signals and connections ............................................................................ 13
Internal signals and connections ............................................................................. 12
External signals and connections ............................................................................ 13
Modes of operation.................................................................................................. 16
Battery ..................................................................................................................... 17
Charging .................................................................................................................. 19
Supported chargers .................................................................................................. 21
Charger interface protection.................................................................................... 24
Power up and reset .................................................................................................. 24
A/D channels ........................................................................................................... 25
Bluetooth ................................................................................................................. 26
Keypads ................................................................................................................... 27
LCD & keyboard illumination ................................................................................ 27
LCD ......................................................................................................................... 29
IR module ................................................................................................................ 29
Backup battery......................................................................................................... 29
SIM interface........................................................................................................... 30
System connector .................................................................................................... 31
Internal audio........................................................................................................... 34
Memory block ......................................................................................................... 35
RF interface block ................................................................................................... 35
Battery ..................................................................................................................... 17
Charging .................................................................................................................. 19
Supported chargers .................................................................................................. 21
Charger interface protection.................................................................................... 24
Power up and reset .................................................................................................. 24
A/D channels ........................................................................................................... 25
Bluetooth ................................................................................................................. 26
Keypads ................................................................................................................... 27
LCD & keyboard illumination ................................................................................ 27
LCD ......................................................................................................................... 29
IR module ................................................................................................................ 29
Backup battery......................................................................................................... 29
SIM interface........................................................................................................... 30
System connector .................................................................................................... 31
Internal audio........................................................................................................... 34
Memory block ......................................................................................................... 35
RF interface block ................................................................................................... 35
Nominal and maximum ratings ............................................................................... 38
RF frequency plan ................................................................................................... 38
DC characteristics ................................................................................................... 39
Typical current consumption................................................................................... 40
RF frequency plan ................................................................................................... 38
DC characteristics ................................................................................................... 39
Typical current consumption................................................................................... 40
RX characteristics ......................................................................................................43
RF block diagram ......................................................................................................43
Receiver .....................................................................................................................45
Transmitter .................................................................................................................46
Connections ...............................................................................................................46
RF block diagram ......................................................................................................43
Receiver .....................................................................................................................45
Transmitter .................................................................................................................46
Connections ...............................................................................................................46