Nokia 2270, 2272, 2275, 2285 Service Manual
CCS Technical Documentation
System Module
RH-3
Issue 1 06/2003
Nokia Corporation Confidential
Page 3
Contents
Page No
Transceiver RH-3/RH-3P/RH-3DNG ............................................................................ 5
Introduction ..................................................................................................................5
Operational Modes .......................................................................................................5
Engine Module .............................................................................................................7
Operational Modes .......................................................................................................5
Engine Module .............................................................................................................7
Environmental Specifications ................................................................................... 7
Temperature Conditions ............................................................................................ 7
Temperature Conditions ............................................................................................ 7
Baseband Module ........................................................................................................7
UEM .......................................................................................................................... 8
BB-RF Interface Connections ....................................................................................10
UPP.......................................................................................................................... 12
Flash Memory ......................................................................................................... 13
Flash Memory ......................................................................................................... 13
User Interface Hardware ............................................................................................13
LCD......................................................................................................................... 13
Keyboard ................................................................................................................. 14
Lights....................................................................................................................... 14
Vibra........................................................................................................................ 15
Keyboard ................................................................................................................. 14
Lights....................................................................................................................... 14
Vibra........................................................................................................................ 15
Audio Hardware .........................................................................................................15
Earpiece ................................................................................................................... 15
Microphone ............................................................................................................. 15
Buzzer...................................................................................................................... 16
Microphone ............................................................................................................. 15
Buzzer...................................................................................................................... 16
Battery ........................................................................................................................16
Phone Battery .......................................................................................................... 16
Battery Connector ................................................................................................... 17
Battery Connector ................................................................................................... 17
Accessories Interface .................................................................................................17
System Connector ................................................................................................... 17
Charger IF ............................................................................................................... 21
Charger IF ............................................................................................................... 21
Test Interfaces ............................................................................................................21
Production Test Pattern ........................................................................................... 21
General Information About Testing ........................................................................ 23
General Information About Testing ........................................................................ 23
RF Module .................................................................................................................24
Requirements........................................................................................................... 24
Temperature Conditions .......................................................................................... 24
Main Technical Characteristics ............................................................................... 24
Antenna ................................................................................................................... 24
Transmitter .............................................................................................................. 25
Synthesizer .............................................................................................................. 26
Receiver................................................................................................................... 28
Temperature Conditions .......................................................................................... 24
Main Technical Characteristics ............................................................................... 24
Antenna ................................................................................................................... 24
Transmitter .............................................................................................................. 25
Synthesizer .............................................................................................................. 26
Receiver................................................................................................................... 28
GPS Engine .................................................................................................................. 29
Introduction ................................................................................................................29