Samsung SGH-E730 Manuale utente

GSMTELEPHONE

SGH-E730

GSMTELEPHONECONTENTS

1.Specification

2.Circuit Description

3. ExplodedViews and PartsList

4. ElectricalPartsList

5.BlockDiagrams

6.PCB Diagrams

7. FlowChartofTroubleshooting

Samsung ElectronicsCo.,Ltd.June.2005

Printedin Korea.

CodeNo.:GH68-07424A

BASIC.

hisServiceManual isa propertyofSamsung ElectronicsCo.,Ltd.

nyunauthorized use ofManualcan bepunished underapplicable

nternationaland/ordomesticlaw.

ⓒ

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1. Specification

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1-1

PCS1900

1850~1910

1930~1990

512~810

80MHz

270.833kbps

3.692us

576.9us

4.615ms

0.3GMSK

30dBm~0dBm

0pcl~15pcl

-100dBm

GSM900

Phase1EGSM900

Phase2DCS1800

Phase1

Freq.Band[MHz]

Uplink/Downlink 890~915

935~960 880~915

925~960 1710~1785

1805~1880

ARFCNrange1~124 0~124 &

975~1023 512~885

Tx/Rxspacing 45MHz45MHz95MHz

Mod.Bit rate

/Bit Period 270.833kbps

3.692us270.833kbps

3.692us

TimeSlotPeriod

/FramePeriod 576.9us

4.615ms576.9us

4.615ms

Modulation 0.3GMSK0.3GMSK0.3GMSK

MS Power33dBm~5dBm33dBm~5dBm30dBm~0dBm

PowerClass 5pcl~19pcl5pcl~19pcl0pcl~15pcl

Sensitivity-102dBm-102dBm-100dBm

TDMAMux 8 8 8

Cell Radius35Km35Km2Km

1-1.GSMGeneralSpecification

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Specification

1-2

TXPower

control levelPCS1900

0 30±3 dBm

1 28±3 dBm

2 26±3 dBm

3 24±3 dBm

4 22±3 dBm

5 20±3 dBm

6 18±3 dBm

7 16±3 dBm

8 14±3 dBm

9 12±4 dBm

10 10±4 dBm

11 8±4dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

TXPower

control levelDCS1800

0 30±3 dBm

1 28±3 dBm

2 26±3 dBm

3 24±3 dBm

4 22±3 dBm

5 20±3 dBm

6 18±3 dBm

7 16±3 dBm

8 14±3 dBm

9 12±4 dBm

10 10±4 dBm

11 8±4dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

TXPower

control levelGSM900

5 33±3 dBm

6 31±3 dBm

7 29±3 dBm

8 27±3 dBm

9 25±3 dBm

10 23±3 dBm

11 21±3 dBm

12 19±3 dBm

13 17±3 dBm

14 15±3 dBm

15 13±3 dBm

16 11±5 dBm

17 9±5 dBm

18 7±5 dBm

19 5±5 dBm

1-2.GSMTXpowerclass

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2. Circuit Description

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2-1

2-1.SGH-E730 RFCircuitDescription

2-1-1.RX PART

-ANTENNA SWITCH(Module1FrontEnd Module)

→Switching Tx,Rx pathforGSM900,DCS1800 and PCS1900 by logic controlling.

-ANTENNA SWITCHControlLosic(Module1)→TruthTable

VC1VC2VC3

TxMode(GSM900)HL L

TxMode(DCS1800/1900)LHL(H)

RxMode(GSM900)L L L

RxMode(DCS1800)L L L

RxMode(PCS1900)L L H

-VC-TCXO (U102)

Thismodulegeneratesthe26MHzreference clockto drivethelogic and RF.

It isturnedonwhenthesupply voltageVcc(SYN)isapplied.

Afterbuffering areference clock of26MHzis suppliedtotheotherpartsofthesystem

through thetransceiverpinCLKOUT.

-TRANSCEIVER(U100)

ThischipisfullyintegratedGSMGPRSquad-band transceiverwithtransmit baluns(balanced-unbalancedmatching devices)

,loop filtersand mostofthepassive component init.

And alsofullyintegratedfractionalNRFsynthesizerwithAFCcontrolpossibility,RFVCO withintegratedsupply

regulator.Semi integratedreference oscillatorwithintegratedsupplyregulator.

RFReceiver front-end amplifiestheE-GSM900,DCS1800 and PCS1900 aerialsignal,convert the chosenchannel

downtoalowIFof100kHz.

InIFsection,furtheramplifiesthewantedchanneloutput level tothedesired value and rejectsDC.

2-1-2.TX PART

Thetransmitterisfully differentialusing adirectup conversion architecture.Itconsistsofasignalsideband

powerup mixer.Gainiscontrolled by 6 dBvia3-wireserialbusprograming.ThefullyintegratedVCOand power

mixerachieveLOsuppression,quadraturephase error,quadrature amplitudebalance and lownoisefloorspecification.

Outputmatching/balun componentsdrive a standard 50 ohms single endedload.

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CircuitDescription

2-2

2-2.Baseband Circuitdescription ofSGH-E730

2-2-1.PCF50603 (U400)

-PowerManagement

Eight low-dropoutregulatorsdesignedspecificallyforGSMapplicationspowertheterminaland helpensureoptimal

systemperformance and long batterylife.Aprogrammableboostconverterprovides supportfor1.8V,3.0VSIMs,

whileaself-resetting,electronicallyfusedswitchsuppliespowertoexternalaccessories.Ancillarysupportfunctions,

suchasRTCmodule and High VoltageChargepump,Clock generator,aidinreducing both boardarea and system

complexity.

I2C BUSserial interface providesaccess tocontroland configuration registers.Thisinterface givesamicroprocessor

full controlofthePCF50603 and enables systemdesignerstomaximize bothstandby and talktimes.

Supervisoryfunctions.including aresetgenerator,aninputvoltagemonitor,and atemperaturesensor,supportreliable

systemdesign.Thesefunctionsworktogethertoensurepropersystembehaviorduring start-up orinthe eventofa

fault condition(lowmicroprocessorvoltage,insufficientbatteryenergy,orexcessivedietemperature).

-ClockGenerator

TheClockGenerator (CG)generatesall clocksforinternaland externalusage.The32.768 kHz crystaloscillator

providesanaccuratelowclockfrequencyforthePCF50603 and othercircuitry.

2-2-2.LCD Connector

LCDisconsisted ofmainLCD(color262KTFT LCD)and sub LCD(color65K OLEDLCD)

ChipselectsignalsintheU305,LCD_MAIN_CS,LCD_SUB_CScanenableLCD.BACKLIGHTsignalenableswhite

LEDofmainLCD.Thesesignal isfromU200.

16-bit datalines(LD(0)~LD(15)) transfersdata and commandstoLCD.Data and commandsuse"RS"signal.If this signal

ishigh,InputstoLCDare commands.If it islow,InputstoLCDaredata.Thesignalwhichinformstheinputoroutput

statetoLCD,isrequired.But this systemisnotnecessarythis signal.So"L_WR"signal isusedtowritedataor

commandstoLCD.PowersignalsforLCDare"VDD_IO_HIGH".

2-2-3.BLUETOOTH

This systemusesBlueToothmodule,UGNZ3,ALPS.Thishas signals,"BT_INT"(Interruptsignal),"RXD2"(inputdata)

and "TXD2"(outputdata),PCMcontrolsignal(DCL[PCMCLK],DO[PCM_IN],DU[PCM_OUT],FSC[PCM_SYNC]) These

signalsare connectedtoPCF5212EL1EL1.

2-2-4.Key

Thisisconsisted ofkeyinterface pinsKEY_ROW(0:4)and KEY_COL(0:4)inPCF5212EL1EL1.Thesesignalscompose

thematrix.Result ofmatrixinformsthekeystatusto keyinterface inthePCF5212EL1EL1.Poweron/off keyis

seperatedfromthematrix.So poweron/off signal isconnectedwithPCF50603 toenablePCF50603.KeyLEDis

consisted of12 whiteLEDsformain key.Main keyLEDusethe3.3VLDO forasupply voltage.KEY_LED_ON

signalenables12 whiteLED.

"FLIP"informsthestatusof folder (open orclosed)tothePCF5212EL1EL1.Thisusesthehall effectIC,EM-1681-FT.

AmagnetunderLCDenablesEM-1681-FT.

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CircuitDescription

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2-3

2-2-5.EMIESDFilter

This systemusestheEMIESDfilter,U500 to protectnoisefromIFCONNECTORpart.

2-2-6. IFconnetor

It is18-pinconnector.Theyaredesignedto useVBAT,V_EXT_CHARGE,USB_D+,+VBUS,USB_D-,TXD1,RXD1,

AUX_ON,EXT1,EXT2,and GND.Theyconnectedto powersupplyIC,microprocessorand signalprocessor IC.

2-2-7.BatteryCharge Management

Acomplete constant-current/constant-voltagelinearcharger forsingle cell lithium-ion batteries.

If TAconnectedto phone,"V_EXT_CHARGE"enable charger ICand supplycurrent to battery.

Whenfault condition caused,"CHG_ON"signal levelchangelowto high and charger ICstop charging process.

2-2-8.Audio

HFR_Pand HFR_NfromPCF5212EL1EL1are connectedtothemainspeakervia analog switches.MIC_Pand MIC_N

are connectedtothemainMICaswell.EAR1isthesource ofExternalSpeaker.YMU765 isasynthesizerLSI for

mobilephones.ThisLSIhasabuilt-inspeakeramplifier foroutputting soundsthatareused by mobilephonesinaddition

to gamesoundsand ringing melodiesthatarereplayed by asynthesizer.

Thesynthesizersection adopts“stereophonichybridsynthesizersystem”thataregivenadvantagesofbothFM

synthesizersand WaveTablesynthesizerstoallowsimultaneousgeneration ofup to32FMvoicesand 32 Wave

Tablevoices.

Itprovides simultaneousgeneration ofup to64tonesby stereophonichybridsynthesizer.

YMU765 hasbuilt aspeakeramplifierofwhichmaximumout is580 mWatSPVDD=3.6Vinthisdevice.

ThereisStereophonic analog outputforHeadphone.

2-2-9.Memory

This systemusesSamsung'smemory,KAP17WG00M-D444.TheKAP17WG00M-D444 isaMulti ChipPackageMemory

whichcombines256Mbit SynchronousBurstMulti Bank NORFlashMemoryand two 1Gbit OneNAND Flashand

128Mbit SynchronousBurstUtRAM.

Ithas16 bit dataline,HD[0~15]whichisconnectedtoPCF5212EL1EL1and MV3315DOQ,also has24 bit address

lines,

HA[1~24].There are3chipselectsignals,CS0n_FLASH,CS4n_NAND,and CS1n_RAM.

IntheWrting process,WEnisfallentolowand it enableswriting process to operate.During reading process,

OEnisfallentolowand it enablesreading process to operate.EachchipselectsignalsinthePCF5212EL1EL1choose

differentmemories.

2-2-10.PCF5212EL1EL1

ThePCF5212EL1EL1ismainlycomposed ofembededDSP and ARMcore.TheDSP subsystemincludestheSaturn

DSP corewithembeddedRAMand ROM,and asetofperipherals.Ithas24kx16 bitsPRAM,104k*16 bits,

32k*16 XYRAMand 63k*16 XYROMintheDSP.

TheARM946E-SconsistsofanARM9E-Sprocessorcore,8 kbyteinstruction cache and 8 kbytedata cache,

tghtly-coupledITCM(Instruction TightlyCoupledMemory)and DTCM(DataTightlyCoupledMemory)memories,a

memory protection unit,and anAMBA(AdvancedMicrocontrollerBusArchitecture)AHB(Advanced

High-performance Bus)businterface withawritebuffer.

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CircuitDescription

2-4

HD(0:15),datalinesand HA(0:23),address linesare connectedtoKBJ10KB00M(memory),MV3315DOQ (imagedsp)

and YMU765 (melody IC).Ithas64 kbyteSC RAM(0.5Mbit)and 32 kbyteSCprogramROMforbootstrap

loaderintheARMcore.

HD(0:15),datalinesand HA(0:23),address linesare connectedtomemoryand YMU765 tocommunicate.

MV3315DOQ(CameraDSP Chip)controlsthe communication betweenARMcore and DSP core.

OEn,WEncontrol the access ofmemory.KROW,and KCOLrecognize thekeystring inputstatus.Thesystem

communicateswithIrDA viaIrDA_TXD,IrDA_RXD.

Ithas J-TAG controlpins(TDI/TDO/TCK) forARMand DSP core.J-SEL signalcontrolsdifferentaccess toARM

and DSP core.

ADC(Analog toDigitalConvertor) receivesthe condition oftemperature,batterytype and battery voltage.

2-2-11.VC-TCXO-214C6-26.0C(26MHz)

This systemusesthe26MHzTCXO,VC-TCXO-214C6-26.0C.AFCcontrolsignalformPCF5212EL1controls

frequencyfrom26MHzx-tal.Itgeneratesthe clockfrequency.ThisclockisconnectedtoPCF5212EL1,YMU765 and

HD155166BPEB.

2-2-12.CameraDSP (MV3315DOQ)

MV3315DOQ providesrich videofunctionsup to 30-framedisplaywithminimizedtasksinthehandsetmain processor

aswell ashardwarebasedreal-timeJPEGcompression and decompression.MV3315DOQ directlytransmitsand

previewstheRGBdatatotheLCDgraphicmemory by processing thesensoroutputdata according tothe

handset'scommand.ItcansavetherawRGBdataup toVGA resoultion intoitsimagebufferand allowsthe

hostprocessorto downloadwithscalablesizedcompressed data.

Itutilizes16 bit databusforcommunication withthemain processor,including businterface types.

2-2-13.FMRadio(TEA5761UK)

TheTEA5761 isasingle chipelectronicallytunedFMstereoradioforlowvoltage application withfullyintegratedIF

selectivityand demodulation.

TEA5761UK provideFMmixer forconversion oftheUS/Europe(87.5MHzto 108 MHz)and JapaneseFMband (76

MHzto90MHz)toIF.Preset tuning toreceiveJapaneseTVaudioupto 108 MHz,raster100 kHz.and isconnectedto

PCF5212EL1 of I2C.

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3-1

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3. ExplodedViewand Parts List

3-1.Exploded View

QCK01

QCA02

QMP01

QCR12

QKP01

QFR01

QMI01

QAN02

QRE01

QIF01

QCR06

QRF01

QBA01

QME01

QVK01

QFL01

QLC01

QCA01

QCR05

QSC05

QMW01

QFU01

QSC08

QWD02

QCW01

QLB00

QVO01

QKP02

QME03

QMO01

QMI02

QRF03

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Explodedviewand PartList

3-2

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3-2.PartsList

LocationNO.SEC CODEDescription

QAN02 GH42-00568AINTENNA-SGHE730;HIR-01503-0000AA,SGH

QBA01 GH43-01773ABATTERY-800MAH,B/K,ENG,M;BST3578BE,S

QCA01 GH59-01977AUNIT-CAMERA;SGH-E730,IC03037AA,-,XEF

QCA02 GH59-02072AUNIT-CAMERAKEY;SGH-E730,H/KF.P.CA

QCR05 6001-001478 SCREW-MACHINE;PH,+,M1.4,L3,ZPC(BLK),

QCR06 6001-001155 SCREW-MACHINE;PH(PI2.5),+,M1.4,L3.5,

QCR12 6001-001530 SCREW-MACHINE;PH,+,M1.4,L2.5,ZPC(BLK

QCW01 GH72-19281APMO-CAMERALENS;SGH-E730,ACRYL,TRP,P

QFL01 GH75-06733AMEC-FOLDERLOWER;SGH-E730,XET,PC,-,-

QFR01 GH75-06729AMEC-FRONTCOVER;SGH-E730,XET,PC,-,-,

QVO01 GH75-06236AMEC-VOLUMEKEY;SGH-E730,EU,PC,17.8X3

QCK01 GH75-06237AMEC-CAMERAKEY;SGH-E730,EU,PC,3.7X12

QFU01 GH75-06732AMEC-FOLDERUPPER;SGH-E730,XET,PC,-,-

QIF01 GH72-19296APMO-IFCOVER;SGH-E730,PC+ELASTOMER,N

QKP01 GH75-06730AMEC-KEYPAD(XET/BLK);SGH-E730,XET,PC,

QKP02 GH75-06731AMEC-KEYFOLD;SGH-E730,XET,PC,-,-,-,S

QLB00 GH75-06737AMEC-LCDBRACKET;SGH-E730,XET,PC,-,-,

QLC01 GH07-00697ALCD-SGHE730 MODEL;UF-17E077-A,SGH-E7

QME01 GH59-02069AUNIT-METALDOME;SGH-E730,METALDOME,

QME03 GH59-02071AUNIT-MP3KEY;SGH-E730,SGH-E730 MP3/K

QMI01 GH30-00188AMICROPHONE-ASSY-SGHE730;2,130~500uA,

QMI02 3001-001750 MICROSPEAKER;0.7W,8ohm,86dB±2dB,80

QMO01 GH31-00154DMOTORDC-SGHZ130;DMJBRK20C,SGH-Z130,

QMP01 GH92-02149APBAMAIN-SGHE730;SGH-E730,XET,EU,PBA

QMW01 GH75-06238AMEC-MAINWINDOW;SGH-E730,EU,PC,-,-,-

QRE01 GH75-06734AMEC-REARCOVER;SGH-E730,XET,PC,-,-,-

QRF01 GH74-14614AMPR-SHEETRF;SGH-E730,PCSHEET,PI6.5

QRF03 GH72-19271APMO-EARCOVER;SGH-E730,PC,BLK,10.6X6

QSC05 GH73-04080ARMO-RUBBERSCREWCAP(L);SGH-E730,SI

QSC08 GH73-04081ARMO-RUBBERSCREWCAP(R);SGH-E730,SI

QVK01 GH59-02070AUNIT-VOLUMEKEY;SGH-E730,SGH-E730 V/

QWD02 GH72-19283APMO-SUBLCDWINDOW;SGH-E730,ACRYL,BL

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