Notice SAMSUNG SGH-Z650i

« 2 4-2.Pre-requsiteforDownloading.......................................................4-2 4-3.S/WDownloaderProgram............................................................4-3 5.ExplodedViewandPartslist 5-1.CellularphoneExplodedView......................................................5-1 5-2.CellularphonePartslist..............................................................5-2 5-3.Disassembly...............................................................................5-4 5-4.Assembly...................................................................................5-6 6.MAINElectricalPartsList 7.BlockDiagrams 8.PCBDiagramsContents 9.FlowChartofTroubleshooting 9-1.Baseband................................................................................9-1 9-1-1.PowerON..........................................................................9-1 9-1-2.Initial................................................................................9-4 9-1-3.SIMPart.............................................................................9-6 9-1-4.MicrophonePart.................................................................9-7 9-1-5.SpeakerPart_1(MP3,SPEAKERPHONE)................................9-8 9-1-6.SpeakerPart_2(RECEIVER)................................................9-10 9-1-7.ChargingPart...................................................................9-11 9-2.RF.........................................................................................9-13 9-2-1.EGSMRX.........................................................................9-13 9-2-2.DCSRX...........................................................................9-15 9-2-3.PCSRX............................................................................9-16 9-2-4.EGSMTX.........................................................................9-17 9-2-5.DCSTX...........................................................................9-18 9-2-6.PCSTX............................................................................9-19 10.ReferencedataSAMSUNG Proprietary-Contents may change without notice 1.SafetyPrecautions 1-1 ThisDocumentcannotbeusedwithoutSamsung'sauthorization 1-1.RepairPrecaution ?RepairinShieldBox,duringdetailedtuning. Takespeciallycareoftuningortest, becausespecipictyofcellularphoneissensitiveforsurroundinginterference(RFnoise). ?Becarefultouseakindofmagneticobjectortool, becauseperformanceofpartsisdamagedbytheinfluenceofmaneticforce. ?Surelyuseastandardscrewdriverwhenyoudisassemblethisproduct, otherwisescrewwillbewornaway. ?Useathickentwistedwirewhenyoumeasurelevel. Athickentwistedwirehaslowresistance,thereforeerrorofmeasurementisfew. ?RepairafterseparateTestPackandSetbecauseforshortdanger(forexamplean overcurrentandfuriousflamesofpartsetc)whenyourepairboardinconditionof connectingTestPackandtuningon. ?Takespeciallycareofsoldering,becauseLandofPCBissmallandweakinheat. ?Surelytuneon/offwhileusingACpowerplug,becausearepairofbatterychargeris dangerouswhentuningON/OFFPBAandConnectorafterdisassembingcharger. ?Don'tuseasyoupleasesafterchangeothermaterialthanreplacementregisteredonSEC System. Otherwiseengineerinchargeisn'tchargedwithproblemthatyoudon'tkeepthisrules.SAMSUNG Proprietary-Contents may change without notice SafetyPrecautions 1-2 ThisDocumentcannotbeusedwithoutSamsung'sauthorization 1-2.ESD(ElectrostaticallySensitiveDevices)Precaution Severalsemiconductormaybedamagedeasillybystaticelectricity... »