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Nokia Customer Care
7 - System Module
Issue 1 04/2005
COMPANY CONFIDENTIAL
Copyright © 2005 Nokia. All Rights Reserved.
RM-94
Nokia Customer Care
7 - System Module
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COMPANY CONFIDENTIAL
Copyright © 2005 Nokia. All Rights Reserved.
Issue 1 04/2005
RM-94
7 - System Module
Nokia Customer Care
Table of Contents
Page No
Glossary of Terms............................................................................................... 5
Baseband ............................................................................................................. 8
Block diagram .................................................................................................... 9
Frequencies in baseband................................................................................. 11
PWB................................................................................................................. 11
Characteristics of the PWB ............................................................................ 11
Key components ............................................................................................ 11
Technical Specifications .................................................................................. 13
Baseband core................................................................................................. 13
UPP ................................................................................................................ 13
UEMEK .......................................................................................................... 13
External SRAM and Flash .............................................................................. 14
Energy management........................................................................................ 14
Modes of operation ........................................................................................ 14
No Supply ...................................................................................................... 14
Backup ........................................................................................................... 14
Acting Dead ................................................................................................... 14
Active ............................................................................................................. 15
Sleep Mode .................................................................................................... 15
Charging ........................................................................................................ 15
Power distribution ............................................................................................ 15
DC characteristics ............................................................................................ 16
Supply voltage ranges ................................................................................... 16
Baseband regulators ...................................................................................... 17
Function Groups ............................................................................................... 18
Battery.............................................................................................................. 18
Audio................................................................................................................ 18
Internal microphone ....................................................................................... 18
Internal speaker ............................................................................................. 19
IHF speaker ................................................................................................... 20
External audio ................................................................................................ 20
External microphone connection .................................................................... 20
Headset connections ..................................................................................... 20
Test possibilities ............................................................................................. 20
Vibra................................................................................................................. 20
Test possibility ............................................................................................... 21
LCD module ..................................................................................................... 21
Characteristics ............................................................................................... 21
LCD connector ............................................................................................... 22
Test possibility ............................................................................................... 23
Keypad............................................................................................................. 24
Test possibility ............................................................................................... 24
Issue 1 04/2005
COMPANY CONFIDENTIAL
Copyright © 2005 Nokia. All Rights Reserved.
3
RM-94
Nokia Customer Care
7 - System Module
Illumination....................................................................................................... 24
Test possibility ............................................................................................... 25
SIM................................................................................................................... 25
Test possibility ............................................................................................... 26
IR module......................................................................................................... 26
Interfaces ........................................................................................................... 27
BB-RF interface ............................................................................................... 27
System connector interface ............................................................................. 27
System connector .......................................................................................... 27
ACI ................................................................................................................. 28
FBUS ............................................................................................................. 28
VOUT ............................................................................................................. 28
DC plug .......................................................................................................... 29
RF Module Description ..................................................................................... 30
General specifications of the transceiver ......................................................... 31
Frequency concept .......................................................................................... 32
RF power supply configuration ........................................................................ 32
RF block diagram............................................................................................. 33
Antenna switch (TX/RX switch)........................................................................ 34
Receiver ......................................................................................................... 35
Transmitter ..................................................................................................... 35
Frequency synthesizer ................................................................................... 35
Signal paths ..................................................................................................... 36
Receiver signal paths ..................................................................................... 36
Transmitter signal paths ................................................................................. 38
Frequency synthesizer signals ....................................................................... 39
Printed Wiring Board ........................................................................................ 40
RF key component placement ......................................................................... 41
4
COMPANY CONFIDENTIAL
Copyright © 2005 Nokia. All Rights Reserved.
Issue 1 04/2005
RM-94
7 - System Module
Nokia Customer Care
Glossary of Terms
ACI
ADC
AFC
ASIC
ASM
BB
BSI
DCT4
DSP
DUT
EDGE
EGPRS
EMC
ESD
FCI
FR
GMSK
GPRS
GSM
GSM900
Accessory Control Interface
Analogue to Digital Converter
Automatic Frequency Control
Application Specific Integrated Circuit
Antenna switch module
Baseband
Battery Size Indicator
Digital Core Technology, generation 4
Digital Signal Processor
Device under test
Enhanced Data Rates for Global Evolution
Enhanced General Packed Radio Service
Electro Magnetic Compatibility
Electro Static Discharge
Functional Cover Interface
Full Rate
Gaussian Minimum Shift Keying
General Packed Radio Service
Global System for Mobile Communication
GSM900 (channels 1 - 124)+extended GSM900
(channels 975 - 1023, 0)
High Speed Circuit Switched Data
Hardware
Interface
Integrated Hands Free
HSCSD
HW
IF
IHF
Issue 1 04/2005
COMPANY CONFIDENTIAL
Copyright © 2005 Nokia. All Rights Reserved.
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