Samsung SGH-X450 User manual

SGH-X450
SERVICE
Manual
GSMTELEPHONECONTENTS
1.Specification
2.Circuit Description
3. ExplodedViews and PartsList
4. ElectricalPartsList
5.BlockDiagrams
6.PCB Diagrams
7. FlowChartofTroubleshooting
GSMTELEPHONE

ELECTRONICS
Samsung ElectronicsCo.,Ltd.April.2004
Printedin Korea.
CodeNo.:GH68-04745A
BASIC.
ⓒ
T
hisServiceManual isa propertyofSamsung ElectronicsCo.,Ltd.
A
nyunauthorized use ofManualcan bepunished underapplicable
I
nternationaland/ordomesticlaw.

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1. SGH-x450 Specification
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1-1
1.GSMGeneralSpecification
GSM900
Phase1EGSM900 Phase2DCS1800 Phase1PCS1900
Freq.Band[MHz]
Uplink/Downlink 890~915 935~960 880~915 925~960 1710~1785 1805~1880 1850~1910 1930~1990
ARFCNrange1~124 0~124 &
975~1023 512~885 512~810
Tx/Rxspacing 45MHz45MHz95MHz80MHz
Mod.Bit rate/
Bit Period 270.833kbps 3.692us270.833kbps 3.692us270.833kbps 3.692us270.833kbps 3.692us
TimeSlot
Period/FramePeriod 576.9us 4.615ms576.9us 4.615ms576.9us 4.615ms576.9us 4.615ms
Modulation 0.3GMSK0.3GMSK0.3GMSK0.3GMSK
MS Power33dBm~13dBm33dBm~5dBm30dBm~0dBm30dBm~0dBm
PowerClass 5pcl~15pcl5pcl~19pcl0pcl~15pcl0pcl~15pcl
Sensitivity-102dBm-102dBm-100dBm-100dBm
TDMAMux 8 8 8 8
Cell Radius35Km35Km2Km-

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SGH-X450 Specification
1-2
2.GSMTX powerclass
TXPower
control levelGSM900
5 33±2 dBm
6 31±2 dBm
7 29±2 dBm
8 27±2 dBm
9 25±2 dBm
10 23±2 dBm
11 21±2 dBm
12 19±2 dBm
13 17±2 dBm
14 15±2 dBm
15 13±2 dBm
16 11±3 dBm
17 9±3dBm
18 7±3 dBm
19 5±3 dBm
TXPower
control levelDCS1800
0 30±2 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 levelPCS1900
0 30±2 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

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2. SGH-X450 Circuit Description
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1.SGH-X450 RFCircuitDescription
1)RX PART
1.ASM(U201)→Switching Tx,Rx pathforE`GSM900,DCS1800 and PCS1900 by logic controlling.
2.ASMControlLogic(U501,U502,U503)→TruthTable
VC1VC2VC3
GSMTxModeHL L
DCS/PCSTxModeLHL
PCSRxModeL L H
GSM/DCSRxModeL L L
3.FILTER
ToconvertElectromagneticFieldWavetoAcousticWave and then pass thespecificfrequency band.
-GSMFILTER(C220,C221,L204)→For filtering thefrequency band between 925 ~960 MHz
-DCS FILTER(C218,C219,L203)→For filtering thefrequency band 1805 and 1880 MHz.
-PCS SAWFILTER(F200)→For filtering thefrequency band between 1930 and 1990 MHz
4.TC-VCXO(OSC100)
To generatethe13MHzreference clockto drivethelogic and RF.
Afteradditionalprocess,thereference clockappliestotheU100 RxIQdemodulatorand TxIQmodulator.
Theoscillator forRXIQdemodulatorand Txmodulatorare controlled by serialdatatoselectchanneland usefast lock
modeforGPRShigh class operation.
5.SI4205 (U100)
Thischipintegratesthree differential-inputLNAs.
TheGSMinputsupportstheE-GSM,DCSinputsupportstheDCS1800,PCSinputsupportsthePCS1900.TheLNA
inputsarematchedtothe200 ohmdifferentialoutputSAWfiltersthrough eternalLCmatching network.
Image-rejectmixerdownconvertstheRFsignal toa100 KHzintermediatefrequency(IF)withtheRFLOfromfrequency
synthesizer.TheRFLOfrequencyisbetween 1737.8~1989.9MHz.
TheMixeroutput isamplifiedwithananalog programmablegainamplifier(PGA),whichiscontrolled by AGAIN.
ThequadratureIFsignal isdigitizedwith high resolution A/Dconverts(ADC).
Also,thischip down-convertstheADCoutput to baseband withadigital100 KHzquadratureLOsignal.Digital
decimation and IIRfiltersperformchannelselection toremoveblocking and reference interface signals.
Afterchannelselection,thedigitaloutput is scaledwithadigitalPGA,whichiscontrolledwiththeDGAIN.DACsdrive
adifferentialanalog signalontotheRXIP,RXIN,RXQP,RXQN pinstointerface tostandardanalog-inputbaseband IC.

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2)TXPART
Baseband IQsignalfedinto offsetPLL,thisfunction isincludedinsideofU100 chip.
SI4205 chip generatesmodulatorsignalwhich powerlevel isabout1.5dBmand fedintoPowerAmplifier(U200).
ThePAoutputpowerand power ramping arewell controlled by AutoPowerControlcircuit.WeuseoffsetPLL below
Modulation Spectrum
200kHzoffset
30 kHzbandwidth
GSM-35dBc
DCS-35dBc
PCS-35dBc
400kHzoffset
30 kHzbandwidth
GSM-66dBc
DCS-65dBc
PCS-66dBc
600kHz~1.8MHzoffset
30 kHzbandwidth
GSM-75dBc
DCS-68dBc
PCS-75dBc
2.Baseband CircuitdescriptionofSGH-X450
1)PSC2106
1.Power Management
Sevenlow-dropoutregulatorsdesignedspecificallyforGSMapplicationspowertheterminaland helpensureoptimal
systemperformance and long batterylife.AprogrammableLDO provides supportfor1.8V,3.0VSIMs,while a
self-resetting,electronicallyfusedswitchsuppliespowertoexternalaccessories.Ancillarysupportfunctions,suchastwo
LEDdriversand twocall-alertdrivers,aidinreducing both boardarea and systemcomplexity.Afour-wireserial interface
unit(SIU)providesaccess tocontroland configuration registers.Thisinterface givesamicroprocessor full controlofthe
PSC2106 and enables systemdesignerstomaximize bothstandby and talktimes.Error reporting isprovided via an
interruptsignaland statusregister.Supervisoryfunctions.including aresetgenerator,aninputvoltagemonitor,and a
thermalmonitor,supportreliablesystemdesign.Thesefunctionsworktogethertoensurepropersystembehaviorduring
start-up orinthe eventofafault condition(lowmicroprocessorvoltage,insufficientbatteryenergy,orexcessivedie
temperature).
2.BatteryChargeManagement
Abatterychargemanagementblock,incorporating aninternalPMOSswitch,and an 8-bit ADC,providesfast,efficient
charging ofsingle-cell Li-Ion battery.Usedinconjunction witha current-limited voltagesource,thisblocksafely
conditionsnear-deadcellsand providestheoption ofhaving fast-charge and top-off controlledinternally orby thesystem's
microprocessor.

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SGH-X450 CircuitDescription
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3.BacklightLED Driver
ThebacklightLEDdriverisalow-side,programmable currentsource designedtocontrol thebrightness ofthekeyboard
and LCDillumination.LED1_DRViscontrolled viaLED1_[0:2]and can beprogrammedtosink from15mAto 60mAin
7.5mAsteps.LED2_DRViscontrolled viaLED2_[0:2]and can beprogrammedtosink from5mAto 40mAin 5mAsteps.
BothLEDdriversare capableofsinking theirmaximumoutputcurrentataworst-casemaximumoutputvoltageof0.6V.
Forefficientuse,theLEDsisconnected betweenthebatteryand theLED_DRVoutput.
4.VibratorMotorDriver
Thevibratormotordriverisalow-side,programmablevoltagesource designedto driveasmall dcmotorthatsilently
alertstheuserofanincoming call.Thedriveriscontrolled by VIB[0:1]and can beprogrammedtomaintainamotor
voltageof1.3V,2.0V,or2.5V(relativetoVBAT)whilesinking up to 100mA.Forefficientuse,thevibratormotorshould
be connected betweenthemain batteryand theVIB_DRVoutput.
2)Connector
1.LCD Connector
LCDisconsisted ofmainLCD(color65K UFBLCD).ChipselectsignalsofEMIpart inthetrident,CLCD_EN,can
enablemainLCD.LED_ENsignalenableswhiteLEDofmainLCDand EL_ENsignalenablesdimming mode
ofmainLCD.
ThesetwosignalsarefromIOpartoftheDSP inthetrident.RSTsignalfrom2106 initiatestheinitialprocess ofthe
LCD.
16-bit datalines(D(0)~D(15)) transfersdata and commandstoLCDthrough emi_filter.Data and commandsuseA(2)signal.
If this signal ishigh,InputstoLCDare commands.If it islow,InputstoLCDaredata.Thesignalwhichinformsthe
inputoroutputstatetoLCD,isrequired.But this systemisnotnecessarythis signal.SoCP_WENsignal isusedto
writedataorcommandstoLCD.
PowersignalsforLCDare +VBATT and VCCD.
SPK1Pand SPK1NfromCSP1093 areusedforaudiospeaker.And YMU_VIB_ENfromMA-3enablesthemotor.
2.JTAGConnector
TridenthastwoJTAG portswhichareforARMcore and DSP core(DSP16000).Sothis systemhastwo portconnector
fortheseports.Pins'initialsforARMcore are'CP_' and pins'initialsforDSP core are'DSP_'.
CP_TDIand DSP_TDIsignalareusedforinputofdata.CP_TDO and DSP_TDO signalsareusedfortheoutputofthe
data.CP_TCKand DSP_TCKsignalsareusedforclock becauseJTAG communication isasynchronous.CP_TMSand
DSP_TMSsignalsaretestmodesignals.Thedifference betweentheseistheRESET_INTsignalwhichisforARMcore
RESET.

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3.Keypadconnector
Thisisconsisted ofkeyinterface pinsinthetrident,KEY_ROW[0~4]and KEY_COL[0~4].Thesesignalscomposethe
matrix.Result ofmatrixinformsthekeystatusto keyinterface inthetrident.Somepinsare connectedto varistor for
ESDprotection.And poweron/off keyis seperatedfromthematrix.
So poweron/off signal isconnectedwithPSC2106 toenablePSC2106.SVC_GREEN,SVC_REDand SVC_BLUEare
fromOCTL ofCSP1093.
Thesesignalsdecidethe colorofLED,service indicator.
NinekeyLEDusethe +VBATT supply voltage.These are connectedtoBACKLIGHTsignal inthePSC2106.
This signalenablesLEDswithcurrentcontrol.FLIP_SNSinformsthestatusof folder (open orclosed)tothetrident.This
usesthehall effectIC,A3210ELH.
AmagnetundermainLCDenablesA3210ELH whichison themainPCB.
4.EMIFiltering
This systemusestheEMIFiltertoreduce noisefromLCDpart.Some controlsignalsare connectedtoLCD withoutEMI
filtering.
3)IFconnetor
It is23-pinconnector,and uses18-pinatpresent.Theyaredesignedto useSDS,DEBUG,DLC-DETECT,JIG_ON,
VEXT,VTEST,VF,+VBATT and GND.Theyconnectedto powersupplyIC,microprocessorand signalprocessor IC.
4)Audio
AOUTAP,AOUTAN fromCSP1093 isconnectedtothespeakervia analog switch.AOUTBPand AOUTBNare connected
tothe ear-micspeakervia ear-jack.MICINand MICOUTare connectedtothemainMIC.And AUXINand AUXOUT
are connectedtotheEar-mic.
YMU762MA3isaLSI forportabletelephonethat iscapableofplaying high qualitymusicby utilizing FMsynthesizer
and ADPCMdecorderthatareincludedinthisdevice.
Asasynthesis,YMU762MA3isequipped 16 voiceswith differenttones.Since thedevice iscapableofsimultaneously
generating up tosynchronouswiththeplay oftheFMsynthesizer,various sampled voicescan beusedas sound effects.
Since theplay dataofYMU762MA3areinterpretedatanytimethrough FIFO,thelength ofthedata(playing period)isnot
limited,sothedevice canflexiblysupportapplication suchasincoming call melody musicdistribution service.
Thehardwaresequencerbuilt inthisdevice allowsplaying ofthe complexmusicwithoutgiving excessiveloadtothe
CPUoftheportabletelephones.Moreover,theregistersoftheFMsynthesizercan beoperated directlyfor real timesound
generation,allowing,forexample,utilization ofvarious sound effectswhen using thegamesoftwareinstalledinthe
portabletelephone.

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SGH-X450 CircuitDescription
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YMU762 includesaspeakeramplifierwith high rippleremovalratewhosemaximumoutput is550mW(SPVDD=3.6V).
Thedevice isalsoequippedwithconventionalfunction including avibartorand a circuit forcontrolling LEDs synchornous
withmusic.
Fortheheadphone,it isprovidedwithastereophonicoutput terminal.
Forthepurposeofenabling YMU762MA3to demonstarteitsfull capablities,Yamahapurposeto use"SMAF:Synthetic
musicMobileApplication Format"asadatadistribution format that iscompatiblewihtmultimedia.Since theSMAFtakes
astructurethatsetsimportance on thesynchronization betweensound and images,variouscontentscan bewrittenintoit
including incoming call melody withwordsthatcan beusedfortraning karaoke,and commercialchannel thatcombines
texts,imagesand sounds,and others.ThehardwaresequencerofYMU762MA3 directlyinterpretsand playsblocks
relevant tosysthesis(playing music and reproducing ADPCMwithFMsynthesizer) thatareincludedin datadistributedin
SMAF.
5)Memory
This systemusesSHARP'smemory,LRS1828.
It isconsisted of128Mbitsflashmemoryand 32MbitsSCRAM.Ithas16 bit dataline,D[0~15]whichisconnectedto
trident,LCDorCSP1093.Ithas22 bit address lines,A[1~22].Theyare connectedtoo.CP_CSROMENand
CO_CSROM2ENsignals,chipselectsignalsinthetridentenabletwomemories.They use3 volt supply voltage,VCCD.
During wrting process,CP_WENislowand it enableswriting process toflashmemoryand SCRAM.During reading
process,CP_OENislowand it output information whichislocatedat the address fromthetrident intheflashmemory or
SCRAMto datalines.Eachchipselectsignalsinthetridentselectmemoryamong 2 flashmemoryand SCRAM.Reading
orwriting procedureisprocessedafterCP_WENorCP_OENisenabled.MemoriesuseFLASH_RESET,whichisbuffered
signalofRESET fromPSC2106,forESDprotection.A[0]signalenableslowerbyteofSCRAMand UPPER_BYTE signal
enableshigherbyteofSCRAM.
6)Trident
Trident isconsisted ofARMcore and DSP core.Ithas20K*16bitsRAM144K*16bitsROMintheDSP.Ithas
4K*32bitsROMand 2K*32bitsRAMintheARMcore.DSP isconsisted oftimer,onebit input/outputunit(BIO),JTAG,
EMIand HDS(HardwareDevelopmentSystem).ARMcoreisconsisted ofEMI,PIC(ProgrammableInterruptController),
reset/power/clock unit,DMAcontroller,TIC(TestInterface Controller),peripheralbridge,PPI,SSI(SynchronousSerial
Interface),ACCs(Asynchronouscommunicationscontrollers),timer,ADC,RTC(Real-TimeClock)and keyboardinterface.
DSP_AB[0~8],address linesofDSP core and DSP_DB[0~15],datalinesofDSP core are connectedtoCSP1093.A[0~20],
address linesofARMcore and D[0~15],datalinesofARMcore are connectedtomemory,LCDand YMU762.
ICP(InterprocessorCommunication Port)controlsthe communication betweenARMcore and DSP core.
CSROMEN,CSRAMENand CS1NtoCS4NintheARMcore are connectedtoeachmemory.WENand OENcontrol the
process ofmemory.ExternalIRQ(InterruptReQuest)signalsfromeach units,suchas,YMU,Ear-jack,Ear-mic and
CSP1093,needthe compatibleprocess.

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SomePPIpinshasmany specialfunctions.CP_KB[0~9] receivethestatusfromkeyFPCB and areusedforthe
communicatiosusing datalink cable(DEBUG_DTR/RTS/TXD/RXD/CTS/DSR).
And UP_CS/SCLK/SDI,controlsignalsforPSC2106 areoutputtedthrough PPIpins.Ithas signalportfor
charging(CHG_DET),SIM_RESET and FLIP_SNSwithwhichweknowsopen.closedstatusof folder.Ithas JTAG control
pins(TDI/TDO/TCK) forARMcore and DSP core.Itrecieves13MHz clockinCKIpinfromexternalTCXO and receives
32.768KHz clockfromX1RTC.ADC(Analog toDigitalConvertor) partreceivesthestatusoftemperature,batterytype and
battery voltage.And controlsignals(DSP_INT,DSP_IOand DSP_RWN) forDSP core areused.ItenablesmainLCD with
DSP IPpins.
7)CSP1093
CSP1093 integratesthetiming and controlfunctionsforGSM2+mobile application withtheADCand DACfunctions.
TheCSP1093 interfacestothetrident,via a 16-bit parallel interface.Itservesastheinterface thatconnectsaDSP tothe
RFcircuitryinaGSM2+mobiletelephone.DSP canload 148 bitsofburstdataintoCSP1093’ sinternalregister,and
programCSP1093’ sevent timing and controlregisterwiththe exact timetosend theburst.Whenthetiming portion of
the event timing and controlregistermatchestheinternalquarter-bit counterand internalframe counter,the148 bitsinthe
internal
RegisterareGMSKmodulatedaccording toGSM2+standards.Theresulting phaseinformation istranslatedintoIand Q
differentialoutputvoltagesthatcan be connected directlytoanRFmodulatorat theTXOPand TXON pins.TheDSP is
notifiedwhenthetransmission iscompleted.For receiving baseband data,aDSP can programCSP1093’ sevent timing and
controlregisterwiththe exact timetostartreceiving Iand Qsamplesthrough TXIPand TXINpins.Whenthat timeis
reached,the controlportion ofthe event timing and controlregisterwill start thebaseband receivesection converting I
and Qsamplepairs.Thesamplesarestoredinadouble-bufferedregisteruntil theregistercontains32 samplepairs.
CSP1093 then notifiestheDSP which hasampletimetoreadtheinformation outbeforethenext32 samplepairsare
stored.Thevoice band ADCconverterissuesaninterrupt totheDSP wheneverit finishesconverting a16-bit PCMword.
TheDSP thenreadsthenewinputsample and simultaneouslyloadsthevoice band outputDACconverterwithanew
PCMoutputword.Thevoice band outputcan be connected directlytoaspeakerviaAOUTAN and AOUTAPpinsand
be connectedtoaEar-micspeakerviaAOUTBNand AOUTBPpins.
8)X-TAL(13MHz)
This systemusesthe13MHzTCXO,TCO-9141B,Toyocom.AFCcontrolsignalformCSP1093 controlsfrequencyfrom
13MHzx-tal.Itgeneratesthe clockfrequency.ThisclockisfedtoCSP1093,Trident,YMU762 and Silabsolution.

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3. SGH-X450 ExplodedViewand its Partslist
3-1
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1.CellularphoneExplodedView
Q0003
Q0005
Q0006
Q0010
Q0014
Q0020
Q0013
Q0056
Q0026
Q0015
Q0011
Q0002
Q0009
Q0008
Q0007
Q0031
Q0030
Q0012 Q0056
Q0001
Q0004
Q0038
SAMSUNG
Q0032

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SGH- X450 Explodedviewand its Partlist
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2.CellularphonePartslist
Location
NO.DescriptionSEC CODE Remark
Q0001 MECFOLDER UPPER GH75-03608A
Q0002 MECFOLDER LOWER GH75-03609A
Q0003 MEC-FRONTCOVER GH75-03607A
Q0004 MECREARCOVER GH75-03610A
Q0005 MECKEYPADGH75-04141A
Q0006 UNITMETALDOMEGH59-01212A
Q0007 LCDGH07-00490A
Q0008 MOTORDCGH30-00077A
Q0009 SPEAKER 3001-001509
Q0010 PBAMAINGH92-01595A
Q0011 MECWINDOWLCDMAINGH75-04140A
Q0012 RMOCOVER IFCONN GH73-01844A
Q0013 RMORFCOVER GH73-02975A
Q0014 MICROPHONE-ASSYGH30-00090A
Q0015 UNITFPCB GH59-01213A
Q0020 ANTENNAGH42-00374A
Q0026 MECVOLKEYGH75-02846A
Q0030 MPRSCREWCAPLEFTGH74-01466A
Q0031 MPRSCREWCAPRIGHTGH74-01467A
Q0032 PMOSUBWINDOWGH72-09526A
Q0038 BATTERY-720MAHGH43-00940A
Q0056 SCREWMACHINE6001-001479

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SGH-X450 Explodedviewand its Partlist
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3.TestJig(GH80-00865A)
3-1.RFTestCable
(GH39-00140A)3-2.TestCable (GH39-00127A)3-3.SerialCable
3-4.PowerSupplyCable3-5.DATACABLE
(GH39-00143B)3-6.TA
(GH44-00184A)

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4. SGH-X450 MAIN ElectricalParts List
4-1
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SEC Code Design LOC
0406-001083 ZD701
0406-001083 ZD800
0406-001083 ZD801
0406-001194 ZD802
0501-000225 Q1000
0504-001151 U503
0504-000168 Q300
0504-001012 Q900
0504-001012 Q901
0504-001012 Q902
0504-001151 U501
0504-001151 U502
0601-001790 D900
0601-001790 D901
0601-001790 D902
0601-001790 D903
0601-001790 D904
0601-001790 D905
0601-001790 D906
0601-001790 D907
0601-001790 D908
0601-001790 D911
0601-001790 D912,913
0601-001929 LED900
1001-001183 U1001
1009-001010 SW900
1109-001274 U600
1201-002078 U200
1203-002902 U300
1203-003105 U900
1203-003109 U301
1204-001984 U500
1204-002161 U1013
1205-002433 U100
1404-001256 TH401
1405-001019 V805
1405-001082 V1000
1405-001082 V1001
1405-001082 V1002
1405-001082 V1003
1405-001082 V1004
1405-001082 V700
1405-001082 V705
1405-001082 V706
1405-001082 V800
1405-001082 V801
1405-001082 V802
1405-001082 V803
1405-001082 V804
1405-001082 V903
1405-001082 V904
1405-001082 V905
1405-001082 V907
1405-001082 V908
1405-001082 V909
1405-001082 V910
1405-001082 V911
1405-001093 V806
1405-001093 V808
1405-001108 V1005
1405-001108 V1006
1405-001108 V1007
1405-001108 V1008
1405-001108 V707
1405-001108 V912
1405-001108 V913
1405-001108 V914
2007-000138 R103
2007-000140 R1018
2007-000140 R802
2007-000140 R803
2007-000140 R804
2007-000140 R805
2007-000140 R806
2007-000140 R811

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SGH-X450 ElectricalPartsList
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2007-000140 R812
2007-000140 R813
2007-000140 R814
2007-000141 R1011
2007-000141 R1024
2007-000148 R1005
2007-000148 R1006
2007-000148 R1012
2007-000148 R1019
2007-000157 R1025
2007-000157 R305
2007-000157 R400
2007-000157 R402
2007-000157 R800
2007-000157 R801
2007-000157 R808
2007-000159 R1021
2007-000159 R1023
2007-000162 R1014
2007-000162 R1022
2007-000162 R504
2007-000162 R505
2007-000162 R506
2007-000162 R910
2007-000167 R304
2007-000171 R1003
2007-000171 R1013
2007-000171 R1027
2007-000171 R1028
2007-000171 R1029
2007-000171 R105
2007-000171 R200
2007-000171 R201
2007-000171 R203
2007-000171 R204
2007-000171 R205
2007-000171 R310
2007-000171 R501
2007-000171 R600
2007-000171 R603
2007-000171 R807
2007-000171 R911
2007-000172 R101
2007-000172 R300
2007-000172 R407
2007-000172 R601
2007-000172 R700
2007-000566 R810
2007-000947 R302
2007-000758 R303
2007-001119 R1010
2007-001292 R919
2007-001292 R920
2007-001305 R918
2007-001308 R102
2007-001325 R1007
2007-001333 R1017
2007-002797 R100
2007-003001 R1001
2007-003001 R1002
2007-003010 R900
2007-003010 R901
2007-003010 R902
2007-003010 R903
2007-003010 R904
2007-003010 R905
2007-003010 R906
2007-003010 R907
2007-003010 R908
2007-003010 R917
2007-003010 R921
2007-003010 R922
2007-007107 R405
2007-007137 R301
2007-007142 R306
2007-007142 R403

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2007-007200 R502
2007-007200 R503
2007-007308 R404
2007-007308 R406
2007-007480 R408
2007-007538 R401
2007-008263 R308
2203-000233 C1005
2203-000233 C1028
2203-000233 C1030
2203-000233 C127
2203-000233 C129
2203-000233 C130
2203-000233 C131
2203-000233 C132
2203-000233 C313
2203-000233 C324
2203-000233 C602
2203-000233 C801
2203-000254 C117
2203-000254 C118
2203-000254 C119
2203-000254 C120
2203-000254 C314
2203-000254 C400
2203-000254 C401
2203-000254 C402
2203-000254 C403
2203-000254 C407
2203-000254 C409
2203-000254 C410
2203-000254 C411
2203-000254 C412
2203-000254 C417
2203-000254 C508
2203-000254 C509
2203-000254 C510
2203-000254 C511
2203-000254 C513
2203-000254 C514
2203-000254 C515
2203-000254 C604
2203-000254 C700
2203-000278 C1020
2203-000359 C1000
2203-000386 C115
2203-000386 C414
2203-000386 C416
2203-000425 C503
2203-000438 C1014
2203-000438 C1021
2203-000438 C1022
2203-000438 C707
2203-000585 C1006
2203-000628 C802
2203-000679 C406
2203-000812 C126
2203-000812 C206
2203-000812 C303
2203-000812 C304
2203-000812 C305
2203-000812 C501
2203-000812 C507
2203-000812 C518
2203-000812 C520
2203-000812 C710
2203-000812 C711
2203-000854 C125
2203-000854 C210
2203-000995 C1039
2203-000995 C215
2203-001072 C1010
2203-001072 C1011
2203-001259 C1008
2203-001405 C408
2203-001412 C116

SAMSUNG Proprietary-Contents may change without notice
SGH-X450 ElectricalPartsList
4-4
ThisDocumentcan notbe used withoutSamsung'sauthorization
2203-001598 C311
2203-001598 C312
2203-001598 C315
2203-002677 C218
2203-002677 C219
2203-005052 C1023
2203-005061 C1001
2203-005061 C1002
2203-005061 C1007
2203-005061 C1015
2203-005061 C300
2203-005061 C302
2203-005061 C320
2203-005061 C322
2203-005061 C405
2203-005061 C418
2203-005061 C506
2203-005061 C600
2203-005061 C601
2203-005061 C701
2203-005065 C1009
2203-005065 C1032
2203-005065 C504
2203-005288 C216
2203-005288 C217
2203-005288 C220
2203-005288 C221
2203-005450 C222
2203-005450 C519
2203-005482 C1031
2203-005482 C113
2203-005482 C209
2203-005482 C512
2203-005482 C715
2203-005482 C900
2203-005482 C901
2203-005496 C128
2203-005496 C211
2203-005496 C213
2203-005496 C214
2203-005496 C404
2203-005496 C413
2203-005496 C505
2203-005509 C703
2203-006053 C902
2203-006137 C1003
2203-006201 C301
2203-006201 C309
2203-006201 C310
2203-006201 C316
2203-006201 C903
2203-006257 C306
2404-001088 C307
2404-001105 C212
2404-001105 C318
2404-001134 C207
2404-001268 C1004
2404-001268 C319
2404-001268 C800
2404-001305 C1016
2503-001041 C705
2503-001041 C706
2703-002198 L218
2703-002204 L214
2703-002205 L216
2703-002205 L900
2703-002367 L217
2703-002485 L204
2703-002544 L203
2703-002636 L202
2801-003856 OSC400
2809-001266 OSC100
2901-001268 F701
2901-001268 F702
2901-001268 F703
2901-001268 F704

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SGH-X450 ElectricalPartsList
4-5
ThisDocumentcan notbe used withoutSamsung'sauthorization
2901-001268 F705
2904-001480 F200
2909-001215 U201
3301-001659 L800
3705-001273 CON201
3709-001244 CN301
3710-001816 CN800
3711-005229 CN1001
3722-001715 CN1000
4302-001157 BAT300

5. SGH-X450 BlockDiagrams
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5-1
ThisDocumentcan notbe used withoutSamsung'sauthorization
1.RFSolutionBlockDiagram
EGSM RX (925~960 MHz)
DCS RX (1805~1880 MHz)
SAW
FILTER
LNA
LNA
PGA
PGA ADC
ADC
VCTCXO
(OSC100)
EGSM TX
(880 ~ 915 MHz)
DCS TX
(1710 ~ 1785 MHz)
Dual PAM
(U200)
Front
End
Module
(U201)
RF
Conector
(CON201)
Si4205 (U100)
RF
PLL IF
PLL
PD
LPF
Mixer
Channel
Filter
PGA
PGA DAC
DAC
100
kHz
CSP1093
(U500)
Bryce Park
I
Q
I
Q
SDATA
SCLK
SENB
PDNB
LNA
PCS RX (1930~1990 MHz)
(1850 ~ 1910 MHz)
PCS TX
(F200)

SGH-X450 BlockDiagrams
SAMSUNG Proprietary-Contents may change without notice
5-2
ThisDocumentcan notbe used withoutSamsung'sauthorization
2.Base Band SolutionBlockDiagram
TRIDENT
B'D B'D conn.
Keypad Audio
LCD
Memory part
X-TAL
32.768KHz
RF SOLUTION
- RF IC
- PAM
- MAIN VCO
- TX VCO
- IF VCO
GPIO
POWER
(LDO,CHARGER,
SIM)
X-TAL
13MHz
RS232
CSP1093
Audio Part
LCD
KEYBOARD
SCRAM
(32M)
FLASH
ROM
(128M)
TXIP
TXIN
TXQP
TXQN
RXIP
RXIN
RXQP
RXQN
SERCK
SERLE
SERDA
RFOVL
TXP
OCTL
<RF DIRVER>
TXI/Q
RX I/Q
TXP
SERCK
SERLE
SERDA
OCTL
IO
RWN
AB[8:0]
DB[15:0]
INT1
IRQx
PAx
RSTB
IO
RWN
AB[8:0]
DB[15:0]
INT1
IRQx
PAx
RSTB
ARM
JTAG/ICE
DAICK
DAIRN
DAIDO
DAIDI
DAI
DSPJTAG JTAG
GPRS
ACC
PPI
(Programmable
Peripheral I/O)
RTC
JTAG/ICE
DSP16000
ARM7TDMI
EMI
Motor