MTK手机维修指导

MTKFormNo.:TEST_Handbook_013Rev.:0.3Page:of34InternalUseOnly1MTKVer.031.MTK1.11.21.31.3.11.3.21.41.52.3.3.1D/L3.2S/N3.3BT3.3.1256APCFail3.3.2255PathLossCalibrationFail3.3.3254AFCFail3.3.4257ADCFail3.4FT3.4.13.4.23.51.:2.3.4.5.6.SIM7.8.9..MTKFormNo.:TEST_Handbook_13Rev.0.3Page:of34InternalUseOnly21MTKMTKMT6218BTMT6305NRFMT6129NRF34161.1M3CPULCD11.2U4001.2.1U401R433R432R432R434R400R403R432R433U100VBATT1.5V1.2.2.1VDDU100FLAHSU502.VCORE1.2VU100VRTC:2.8V,RTCRealTimeClock,MT6218BRFFLASHSIMAUDIOKEYBOARDLCDBATTERY1MTKFormNo.:TEST_Handbook_13Rev.0.3Page:of34InternalUseOnly3DeepSleepModelRTCRTC32.768KHZ151HZ2U4007LDO1.2.3U400U100U5024.8VVBATU400U4002.8VVTCXO26MHz,26MHzU602U100U400VDDVCOREU100U602U4002.8VSYSRSTU100U100U1002.864msU100U502U502U100U4001.31.3.1MT6129CCPU(MT6218B),CPUIQ1.3.2MT6129C(U602)I,QPA(U600)SWITCH(U601)2MTKFormNo.:TEST_Handbook_13Rev.0.3Page:of34InternalUseOnly43RFU602MT6129C,U600(RF3146),U601(IMS0103).67.7KI,QU602U602FREF26M,GSM:R676,R675,R674;DCS:R673,R671,R672,U600MT6129CU600PA_ENU600BANDSW_DCSVAPCU600U601,U601HB_TX,LB_TXU601J6003‹67.7KIQ信号（采自U602—pin43,44,45,46,以WMP02为例）MTKFormNo.:TEST_Handbook_13Rev.0.3Page:of34InternalUseOnly5‹频段选择信号(采自PA-pin40BS)‹VAPC(采自PA-pin48，PL=19)MTKFormNo.:TEST_Handbook_13Rev.0.3Page:of34InternalUseOnly6‹PA-Enable(PA-pin41TX-EnablePL=19)‹()U601(IMS0103),U602MT6129CU601Z600GSM,Z602(DCS)N,PU602I,Q31.4‹U60226MHzIQGMSKU10022.8Kb/s9.8Kb/s,13Kb/sU100RPE—LTP64Kb/sU600PCM64Kb/s‹U100N200N200PCM64Kb/sU100RPE—LTP64Kb/s13Kb/sMTKFormNo.:TEST_Handbook_13Rev.0.3Page:of34InternalUseOnly79.8Kb/s270.833Kb/sU602GMSKTXIPTXINTXQNTXQP1.5‹26MHZ26MHZU603U4002.8VTCXOAFCU60226MHZU60229U602U100‹32768KHZ32768KHZX100U1002MTKMT6218BTU100MTKMT6305NU400MTKMT6129NU602NORFLASH(64+32PSRAM)TH50VPF5682CDSBNORFLASH(64+16PSRAM)S71PL064JA0BAW0P0U502NANDFLASH(256)K9F5608U0C-DIB0U501LDO(3.3V)LP2985AIM5X-3.3U402RF3146TR*U600LM4990ITLXU200IMS0103//D1012//LM-D518S2-2U601LEBB-S14H//SLSNNBS103TS//SSC-HB105-69D402,D403,D404,D405,D406,D407,D408,D413TLE4913//HED53XXU11U202RB521S-30D301,D400,D411,D412MOSFETFDW6923//A08701U40132.768KHZX10026MHzU603XC414-II02E//PAS414R-S-VA5-TC416SFH942PS101Z600SFHG42PS101Z6020402HB-1M1005-102JTB100,B200,B201,B202,B203,B204,B205,B403,B4-VL10-050A-400T201,T202,T203,T204,T205,T206,T207,T300,T30MTKFormNo.:TEST_Handbook_13Rev.0.3Page:of34InternalUseOnly8-MSQA6V1W5T2//ESDA6V1W5T401,T402,T403MHS-0018-201-008//676450002IO300BC-23S-03BT400MM8430-2600*J600MJC-104-A1-2.5-TJ20030(0.5mm)AXK5F30545YJB400‹32.768KHZ‹MT6218BTCPU,GMSK‹MT6305N‹MT6129N1MT6129N1VCCTXVCOTXVCOsupplyvoltageandRegulator1(TXVCO)voltageoutput2CREG1Regular1externalnoisebypasscapacitor3VBAT1BatterysupplyforRegulator13.8V4VCCRFTRXRFandTXBUFblocksupplyvoltageandRegular1(TRX)voltageoutput2.8V5PCSRF6PCSRFB7DCSRFBReceiverDCS1800RFdifferentialnegativeinputDCS-8DCSRFReceiverDCS1800RFdifferentialpositiveinputDCS+9GSMRFBReceiverE-GSMRFdifferentialnegativeinputGSM-10GSMRFReceiverE-GSM900RFdifferentialpositiveinputGSM+1112MTKFormNo.:TEST_Handbook_13Rev.0.3Page:of34InternalUseOnly913CREG2Regular2externalnoisebypasscapacity14ENREGRegular1&2enableinputforTRX/RFVCObuffer/Synthesizer/VCXO1.24V15VBAT2Batterysupplyforregular216VCCRFBUFRFVCObuffersupplyvoltageandRegular2(SX)voltageoutput17GNDRFBUFRFVCObufferground18RFVCOP19GNDRFVCO20LFCAPLoopfiltermaincapacitorinput21VCCRFVCORFVCOsupplyvoltageandregulator2(RFVCO)voltageoutput22GNDRFCPSynthesizerchargepumpandPFDground23NC24VCCRFCPSynthesizerchargepumpandPFDsupplyvoltage25VCCSYNSynthesizesupplypower26GNDSYNSynthesizeground27VCXOCXRVCXOinternal/externaloutputbuffercontrol28VCXOCAPVCXOcoarsetuningcapacitorandfinetuningvaractor29XTAL26MHzcrystalreferenceinput30VCCVCXOVCXOsupplyvoltage31REFOUT13MHz/26MHzreferencebufferoutput32GNDVCXOVCXOground33VCXOFRQReferenceoutputbuffer13MHz/26MHzselection34GNDMODSynthesizerSigma-Deltamodulatorground35VCCMODSynthesizeSigma-DeltamodulatorsupplyvoltageandRegulator3output36GNDD3-wiredigitalcircuitgroundMTKFormNo.:TEST_Handbook_13Rev.0.3Page:of34InternalUseOnly1037VCCDSupplyvoltagefor3-wiredigitalcircuitandsupplyvoltageforRegulator338ENRFVCORegular2enableinputforRFVCO39EN3-wireserialbusenableinput40CLK3-wireserialbusclockinput41SDATA3-wireserialbusdatainput42AUXOUTAuxiliarytestoutput43QBQpathnegativebasebandinput/output44QQpathpositivebasebandinput/output45IBIpathnegativebasebandinput/output46IIpathpositivebasebandinput/output47VCCIQIFcircuitsupplyvoltage48VCCIFTransmitterPFDandReceiverIFcircuitsupplyvoltage49VCCTXCPTransmitterchargepumpsupplyvoltage50NC51GNDTXVCOTransmitterchargepumpground52TXOGSMTXVCObuffertransmitoutputforGSMGSM53GNDTXVCOTXVCOground54NC55GNDTXVCOTXVCOground56TXODPCSTXVCObuffertransmitoutputforDCS/PCSDCS/PCS‹RF3416MTKFormNo.:TEST_Handbook_13Rev.0.3Page:of34InternalUseOnly114RF31462RF3146/37DCS/PCSInDCSPCS,.40BandSelect,0GSM,1DCSPCS.41TXEnable,1.0.42/43Batt45VRAMP(VAPC).,.46GSMInGSM,.31DCS/PCSOutDCSPCS.6GSMOutGSM.33.1D/L‹.PCMT6305U400IO300R304R305R306,R307,R308300mAVCHGVBAT30mAVCORE1.8VVIO2.8VVA2.8VVTCXO2.8VVRTC1.5VVMEM(2.8V)U400IO30026MHz26MHzMTKFo