Text preview for : 07-nhl4jx-sysmod.pdf part of NOKIA 07-nhl4jx-sysmod NOKIA Mobile Phone 7250-7250i 07-nhl4jx-sysmod.pdf



Back to : 07-nhl4jx-sysmod.pdf | Home

Customer Care Solutions
NHL-4J/NHL-4JX Series Transceivers




System Module and User
Interface




Issue 2 06/03 Company Confidential Nokia Corporation
NHL-4J/NHL-4JX Company confidential
System Module and User Interface CCS Technical Documentation

Table of Contents
Page No
Glossary of Terms .......................................................................................................... 3
Introduction.................................................................................................................... 6
Electrical Modules .......................................................................................................6
Interconnection Diagram .............................................................................................6
Temperature Conditions ..............................................................................................7
Humidity ......................................................................................................................7
System Module : Baseband............................................................................................ 8
Baseband Module, technical summary ........................................................................8
Technical Summary .....................................................................................................9
Environmental Specifications ......................................................................................9
Temperature Conditions............................................................................................ 9
Humidity and Water Resistance .............................................................................. 10
Baseband Technical Specifications ...........................................................................11
Absolute Maximum Ratings.................................................................................... 11
DC Characteristics................................................................................................... 11
Power Distribution diagram .................................................................................... 13
Baseband External and Internal Signals and Connections ........................................14
Integrated HF Speaker............................................................................................. 15
FM Radio Interface ................................................................................................. 15
Internal Speaker....................................................................................................... 16
Integrated HF Speaker............................................................................................. 16
External Signals and Connections .............................................................................20
Keyboard (board-to-board) Connector.................................................................... 20
LCD Connector (Board to Board)........................................................................... 21
DC Connector.......................................................................................................... 22
Bottom Connector ................................................................................................... 22
SIM connector ......................................................................................................... 23
Internal Signals and Connections............................................................................ 23
Baseband Functional Description ................................................................................ 25
Modes of Operation ...................................................................................................25
No Supply................................................................................................................ 25
Back-up ................................................................................................................... 25
Acting Dead............................................................................................................. 25
Active ...................................................................................................................... 25
Sleep Mode.............................................................................................................. 26
Charging .................................................................................................................. 26
Battery ..................................................................................................................... 26
Power Up and Reset ...................................................................................................27
Power Up with PWR key ........................................................................................ 28
Power Up when Charger is connected .................................................................... 28
Power Up when Battery is connected ..................................................................... 28
RTC Alarm Power Up............................................................................................. 29
A/D Channels .............................................................................................................29
FM Radio ...................................................................................................................30
IR Module ............................................................................................................... 30
SIM Interface........................................................................................................... 30
ACI .......................................................................................................................... 31


Page 2 Nokia Corporation. Issue 2 06/03
Company confidential NHL-4J/
CCS Technical Documentation System Module and User Interface

External Accessory Regulator ................................................................................. 32
External Audio ...........................................................................................................32
External Microphone Connection ........................................................................... 32
External Earphone Connections .............................................................................. 33
Internal Audio ............................................................................................................34
IHF Speaker & Stereo Audio Amplifier ................................................................. 34
Internal Microphone................................................................................................ 34
Internal Speaker....................................................................................................... 34
IHF Speaker & Stereo Audio Amplifier ................................................................. 35
Memory Block ...........................................................................................................36
Security.................................................................................................................... 36
Clock distribution ......................................................................................................36
Audio Control.......................................................................................................... 37
Accessory identification and Power Supply............................................................ 37
Backup Battery........................................................................................................ 38
RF Module Introduction............................................................................................... 39
RF Frequency Plan ....................................................................................................40
DC characteristics ......................................................................................................41
Regulators................................................................................................................ 41
Typical current consumption................................................................................... 42
Power Distribution .................................................................................................. 43
RF characteristics ......................................................................................................... 44
Channel Numbers and Frequencies......................................................................... 44
Main RF characteristics........................................................................................... 44
Transmitter characteristics ...................................................................................... 44
Receiver characteristics........................................................................................... 45
RF Block Diagram .................................................................................................. 45
RF Block Diagram NHL-4J/NHL-4JX ................................................................... 46
Frequency Synthesizers .............................................................................................47
Receiver .....................................................................................................................47
Transmitter .................................................................................................................47
Front End................................................................................................................. 47
Power Amplifier...................................................................................................... 48
RF ASIC Helga ....................................................................................................... 49
AFC function........................................................................................................... 49
Antenna .................................................................................................................. 49
User Interface Modules ................................................................................................ 50
UI Board TK8 ............................................................................................................50
Keyboard ................................................................................................................. 50
Display .................................................................................................................... 51
LCD & Keypad Illumination................................................................................... 52
Internal Speaker....................................................................................................... 52
Buzzer...................................................................................................................... 52
Internal Microphone................................................................................................ 52
IR Module ..................................................................................................................53
Vibra ..........................................................................................................................53




Issue 2 06/03 Nokia Corporation. Page 3
NHL-4J/NHL-4JX Company confidential
System Module and User Interface CCS Technical Documentation

Schematics/Layouts, TK8_12 module (A3 size)................................................................................................
User Interface diagram 1 (ver.0.0 ed.16) ................................................................................................ 1
Parts Placement diagram ............................................................................................................................ 2

Schematics/Layouts, TB3_18 module (A3 size)................................................................................................
Block diagram 1 (ver.0.0 ed.4) ....................................................................................................................1
Block Diagram 2 (ver. 0 ed. 275) ...............................................................................................................2
System connector/baseband (ver.0.0 ed. 51) ..........................................................................................3
User Interface (ver. 0.0 ed. 53) ...................................................................................................................4
SIM reader (ver.0.0 ed. 15) ..........................................................................................................................5
Power management (ver. 1.3 ed. 106) ...................................................................................................6
DC/DC converter (ed. 0.0 ver.8) ..................................................................................................................7
Old power discrete (ver. 0 ed.7) .................................................................................................................8
Light filtering (ed. 2.0 ver 27)......................................................................................................................9
Power thermal resistor ...............................................................................................................................10
UPP_8M (ed. 2.0 ver. 101) ......................................................................................................................... 11
UPP decoupling capacitors (ed.1.3 ver. 9) ............................................................................................ 12
Flash (ed. 2.0 ver.28) .................................................................................................................................. 13
Flash decoupling capacitors (ver. 2.0 ed.4) .......................................................................................... 14
FM radio IC (ver.1.3 ed 145) .................................................................................................................... 15
FM radio unit (Ver. 0.0 ed. 117) ............................................................................................................... 16
RF/BB interface (ver. 1.3 ed. 40) ............................................................................................................ 17
Audio (ver. 0.0 ed. 41) ................................................................................................................................ 18
IR (Ver. 0.0 ed. 32) ....................................................................................................................................... 19
IR thermal resistor (ver. 0.0 ed. 5) .......................................................................................................... 20
RF Block Diagram (ver. 0.0 ed.5) ..............................................................................................................21
RF shields (ver. 0.0 ed.6)............................................................................................................................ 22
RF IC HELGA (ver. 0.0 ed.2) ...................................................................................................................... 23
RX Front End and Antenna Switch (ver. 0.0 ed.2 ) ............................................................................ 24
Power amplifier detection (ver. 0.2 ed. 3) ........................................................................................ 25
Parts Placement TB3_18, bottom .......................................................................................................... 26
Parts Placement TB3_18, top ................................................................................................................ 27
Test Points TB3_18, top side ................................................................................................................... 28
List of Test Points ........................................................................................................................................ 30




Page 4 Nokia Corporation. Issue 2 06/03
Company confidential NHL-4J/
CCS Technical Documentation System Module and User Interface


Glossary of Terms
ACI Accessory Control Interface

ADC Analog-Digital Converter

AEC Acoustic Echo Canceller

AFC Automatic Frequency Control

AGC Automatic Gain Control

AIF Application Interface

ALWE Background noise suppressor

AMS After Market Service

API Application Programming Interface

ARM Processor architecture

ASIC Application Specific Integrated Circuit

BB Baseband

BT Bluetooth

CBus Control Bus connecting UPP_WD2 with UEM

CCI Camera Control Interface

CCP Compact Camera Port

CMT Cellular Mobile Telephone (MCU and DSP)

CPU Central Processing Unit

CTSI Clocking Timing Sleep Interrupt

COBBA_GJP DCT3 RF-interface and audio codec ASIC with serial MAD interface

COG Chip On Glass

CSP Chip Scale Package

CSTN Color Super Twisted Nematic

DAC Digital-Analog Converter


Issue 2 06/03 Nokia Corporation. Page 5
NHL-4J/NHL-4JX Company confidential
System Module and User Interface CCS Technical Documentation

DAI Digital Audio Interface

DB Dual band

DCS1800 Digital Cellular system at 1800 MHz

DCT3 Digital Core Technology, 3rd generation

DCN Offset Cancellation control signal

DLL Dynamic Link Library

DRC Dynamic Range Controller

DSP Digital Signal Processor

EGSM Extended