User Guide

RH-21 Company Confidential
System Module Nokia Customer Care
Page 4  2004 Nokia Corporation. Issue 2 07/2004
System connector ......................................................................................................... 15
Introduction ............................................................................................................. 15
Interface................................................................................................................... 15
Technical Information ............................................................................................. 16
Charger IF ..................................................................................................................16
Introduction ............................................................................................................. 16
Interface................................................................................................................... 16
Test Interfaces .............................................................................................................. 17
Production Test Pattern ..............................................................................................17
Other Test Points .......................................................................................................17
EMC ............................................................................................................................. 17
General .......................................................................................................................17
BB Component and Control IO Line Protection .......................................................17
Keyboard lines......................................................................................................... 17
PWB ........................................................................................................................ 17
LCD......................................................................................................................... 18
Microphone ............................................................................................................. 18
EAR Lines/MIDI..................................................................................................... 18
System Connector Lines.......................................................................................... 19
Battery Connector Lines.......................................................................................... 19
M-bus F-bus ............................................................................................................ 19
Tranceiver Interfaces .................................................................................................19
BB - RF Interface Connections ..................................................................................19
BB Internal Connections ............................................................................................23
UEM Block Signal Description............................................................................... 23
UPP Block signals .....................................................................................................28
MEMORY Block Interfaces ......................................................................................31
...................................................................................................................................33
Audio Interfaces ...................................................................................................... 33
Baseband External Connections.............................................................................. 36
Test Pattern for Production Tests ............................................................................ 37
General Information About Testing ...........................................................................37
Phone operating modes ........................................................................................... 37
RF Module ................................................................................................................... 38
Requirements .............................................................................................................38
Temperature Conditions.......................................................................................... 38
Main Technical Characteristics .................................................................................39
RF Frequency Plan .................................................................................................. 39
DC Characteristics .....................................................................................................40
Power Distribution Diagram ................................................................................... 40
Regulators................................................................................................................ 41
Receiver................................................................................................................... 41
AMPS/TDMA 800 MHz Front End........................................................................ 42
TDMA 1900 MHz Front End.................................................................................. 42
Frequency Synthesizers........................................................................................... 44
Transmitter .............................................................................................................. 45
Antenna ......................................................................................................................47