Arcam-rCube-dock-sm(2)维修电路原理图.pdf

ArcamrCubeServicemanualAndyMooreissue1RadioFans.CN 收音机爱 好者资料库OverviewTherCubeinitssimplestformcanbethoughtofasahighperformanceiPoddockingstationwithmorethanafewuniquefeaturestheseinclude.WirelesstransmissionfromeitheriPodtransmitter(ArcamWand)orUSB(ArcamWave)thesearebothoptionalextras.rCubescantransmittoeachotherfromadockediPodorexternalsourcewiredsource.Internalbatterypowersupply.EasilyreplaceableiPodheader(coveredlatterinmanual).AccessAlthoughverycompacttherCubeisdesignedtobeserviceablewithaccessgainedfromunderneathtoallelectroniccircuits(removethefourrubberfeet)youwillseefourPhilipsscrews,oncetheseareremovedthebaseplatecanbeliftedawayexposingthemaincircuitboard.Themainspeakerarrayisnotconsideredaserviceablepartbutwillbeavailableasacompleteassembly.Pleaseseedetailedexplodedview.CircuitdescriptionPSUandchargeThe19VD.CPSUfortherCubeisderivedfromeitheranexternalregulatedPSUorifnotpresentfromtheinternallithiumionbatterypacksthefollowingisadescriptionofthePSUselection.Theexternal19VpowersupplyisconnectedtoCon600andisinternallyfusedbythe4AfuseatlocationFS600therearpanelswitchcanbeseenatlocationSW600(a),D600isusedtopreventreversebias,D602andTR600fromaD.CsensecircuitthislinegoestothemainmicroatlocationU301pin7.PSUselectioniscontrolbytheMAX1873SwitchmodeLichargecontrolleratlocationIC603theexternal19vsourcecanbeseentoarriveatpin15(DCin)andwhenpresentsimplybypassesthechipwhilstbeingmonitoredbypins1/2(currentsense)andcanbeseentoformthe19vsourcenetonthediagram.TheinternalbatterysourcecanbeseenconnectedtoCON602andagaintravelsthruthe2ndpoleofswitchesavailableonSW600(b)D605andTR603areusedtoformsimplelogictoindicatetomicroU301thatbatterypowerispresent,D606allowsapathtothemain19vnetwhilstpreventingreversebias,theMosfet(M601)isusedtoenablechargeifnecessarywhenpowerispresenttheentirecircuitisoverseenbythemainmicroU301viaRadioFans.CN 收音机爱 好者资料库PSUandchargecontinuedthefeedbackgivenbyIC602allowingforintelligentchargingwithchargeenableprovidedfromthemicroviaM602onthecontrollinelabeledascharge_enablemakingaprovisionforextendedcelllife.Multipleregulatorsareusedtosupplythe(low)voltageareasofthedesigntheseare1.4Astepdownadjustableregulators,REG600receivesa19vsourceatpinonetheoutputvoltageissetbyR601andR640,MosfetM600allowsforthePSUdisablewiththe3Vstandbysupplybeingtappedofpriortotheswitch.REG602andREG603operateinasimilarfashionalthoughutilizethechipsownPSUshutdowncontroloptionatpin2(SD)undercontrolofmicroU301,amoreconventionalregulatorisusedatlocationREG601toprovidethe1.8vcoresupplytoU301.IC601providesalogicswitched(EN_iPod_PWR)currentlimited+5vsupplytotheiPodtowhilstalsopreventinganovercurrentsituationattherearpanelUSBinput+3v1thisisreportedtothemainmicroviatheUSB_PWR_FAULTline.REG604(LDO)providesa3v1supplytotheKleerandR.Fcircuitsandissourcedfromthe+5vsupply.IC600isachargepumpconvertoronthe+5VApowersupplyrail.MicroTheMicroisshownintwohalvesonthediagramshownasIC301(a)detailingportallocationandIC301(b)detailingpowersupplyrequirementsandprogrammingheaderwithresetprovidedbyIC303.PSUrequirementsinclude3V3STBYandV1.8(internallygeneratedbytheATMEL)ThebelowtabledetailstheIC301pinallocationsandfunctionsPinnumberDescriptionAssociatedcircuit(s)6AMP_TEMP_COMPin32ofpowerampsandlocationsIC504IC505IC5067DC_PWR_PRESENTFromTR600(sheet6)9V_IOUT_POTFromIC603viaIC602MAX1873(sheet6)10BATT_PWR_PRESENTFromTR603(sheet6)11POS_SWSW301RearPanelBassselectswitch12DSP_12C_SDADSPatlocationIC40013DSP_12C_SDLDSPatLocationIC400IC301pinallocationsandfunctionscontinuedPinnumberDescriptionAssociatedcircuit(s)14INT_DISPLAYTotopplatedisplayviaiPodheaderboard16STBY_LEDTotopplatedisplayviaiPodhearerboard24ACC_POWERFromiPodheader25IPOD_DETECTFromiPodHeader26VID_CABLE_0FrommultipinvideoconnectoratlocationSKT20027PSU_DISABLERegulatorsRG602andRG60328I2C_SDlAppleauthenticationchipatlocationIC30029I2c_SDAAppleauthenticationchipatlocationIC30030UC595_CLK8bitshiftregisteratlocationIC302(A)31UC595_DATA8bitshiftregisteratlocationIC302(A)33PROGRAM_SWNoFit34HOST_SPI_DATA_OUTIC405anddebug35HOST_SPI_CLKIC405anddebug36HOST_SPI_CS*IC405anddebug37UC595_LATCH8bitshiftregisteratlocationIC301(A)38USB_PWR_FAULTFromIC60141SPI_MODE0Receive/TransmittoggleviaIC40342SPI_MODE1Receive/TransmittoggleviaIC40343VID_CABLE_1FrommultipinvideoconnectoratlocationSKT20044IR_EYEFromiPodheaderinterface45CHARGE_DISABLEToIC603viaMosfetM60246ATMEL_/OE47UART_UC_TO_KLEERKleerinterfacedata54VOL_CLKToIC501/IC502volumecontrols55VOL_DATToIC501/IC502volumecontrols57IPOD_TO_UC_RS232iPodinterfaceData58UC_TO_IPOD_RS232iPodinterfaceData59UART_KLEER_TO_UCKleerinterfacedata60HOST_SPI_DATA_INIC405anddebug61AMP_SHDN*TopoweramppackagesIC504,IC504,IC50662AMP_MUTE*TopoweramppackagesIC504,IC504,IC50650USB_D+_UCUSBstickviaESDprotectionpackageIC30451USB_D_UCUSBstickviaESDprotectionpackageIC30452+5V(USB)_STICK+5VUSBstickPSUAudioin/VideooutiPodaudiocanbeseenasIPOD_AUDO_LandIPOD_AUDIO_RthisisdriventhrutheNJM2114opampatIC201(A/B)beforearrivingattheDG413analoguecmoschipatlocationIC200(A/B)thisswitchallowsfortheroutingofeitheraudiofromadockediPodorfromtheexternalpathvia3.5mmrearpanelstereojackatlocationSK202againcominginviaaNJN2114atlocationIC202(A/B)alsopresentonthispageistheYUVandCompositevideooutputsthesesignalsarederiveddirectlyfromthesourcedeviceandcanbeseenoncircuitasSVIDCCOMPYSVIDYCOMPPRCVBSCOMPPBDefaultoutputisCompositewithYUVswitchedwhenan“Arcam”YUVcableisinsertedandthesenseonVID_CABLE_0andVID_CABLE_1aretriggered.KLEERandDSPAllaudiosignalsareroutedthrutheAnalogDevicesDSPchipatlocationIC400allowingfornotonlytheHigh/Lowpassfilteringofchannelsforthepowerampstagebutalsobespokeaudiomanipulation,theanalogueaudiofromeitherdockediPodorAuxL+Rinappearingatpins78/79aWolfsonWM8805runningformaref11.2896MhzclockisusedprimarilyforJitterreductionfortheKleerinputchipatLocationIC407itisimportanttonotethattheKleerChipisareceiverortransmittertheKleerchipisundercontrolofthemicroatpositionU301thereceive/transmitcircuitcanbeseenontheR.Fampcircuit.DatafortransmissionfromadockedorexternalsourcecanbeseencomingfromtheDSPasSDATA_DSP_OUT.TheE2PROMSatlocationsIC405andIC406areusedtostoretransmit/receivelockhistory.RFAMPThinkofthisstageasatransceiveri.eitwillbothsendandreceiveinformationfromtheexternaltargetthestageusestoggleswitchestoeffectiveswitchthebetweenthetransmitandreceivestages.RFAMPcontinueTheRFstageisbothReceiveorTransmit(transceiver)allowingCubestobelinkedfordockediPodsourceandexternalanalogueinputshenceyouwillseetwospatepathsthatareswitchedR.FswitchesseenasIC701IC702IC703twoseparateAntennaareusedandtherCubehastheabilitytoselectthemoststableaerialatanygiventimetheaudiopathinto/outoftheKleerchipisseenasKL3012regardlessofstatuswheninreceivemodetheRFpowerampisbypassedbyIC701,IC702intransmissionmodebothswitchesaretoggledtobringtheSawfilterFL700andLowRFPassfilterFL701withPowerAmpIC704backinline,ThetwoantennaareconnectedtothesurfacemountsocketsatSKT700anSKT701.DACFiltersandAmplifiersAudioarrivetheDACfiltersandAmplifierscircuitfromtheDSPas4separatechannelsthesebeingTWEET_L/TWEET_R/WOOF_L/WOOF_ReachchanneltravelthruanidenticalfiltercircuitTWEET_Lchannelwillbedescribed.TWEET_RaudioarriveatcapacitorC508beforetravelingintothefilterbasedaroundtheNJM2114atlocationIC500theaudioisfurtherfilteredbythenetworkofcapacitorsbasedaroundC326andC327incombinationwithC510audiothenpassesintotheVolumecontrolICatlocationIC501onpin1andcanbeseentoexit(volumeadjusted)onpin14thevolumecontrolisundercontrolofthemainmicroatpositionU302vialineVOL_CLK/VOL_DATthelinewillknowbeknownasTWEET_VOL_RandtravelsintothePowerampchipatlocationIC507(sharedwithTWEET_VOL_L)thispackageisdrivenfromthe+19v_ampsupplyandisthermallyprotecttotriggerat100c/standbyandmutecontrolcomesfromthemainmicroandtempstatusofthepowerampcanbereportedtobacktothemicro.TheWOOF_VOL_LandWOOF_VOL_RaudiopathsuseabridgedpowerampeachseenatlocationsIC504andIC05.DisplayandkeyboardThedisplayboardisconnectedtothemainboardviatheiPodheaderboardanditsprimarylinkonthemainboardismainmicroU301.TheboardisbuiltaroundtheIC1aAT42QT10606channelsensorICthisallowsforcapacitivesensorsaskeysandalsoperformtheroleofdrivingthetopplateLEDswithexceptionofStandbyLEDstatusred(thiscomesdirectlyfromU301)thechipissuppliedbythe3V14STBYpowersupply,theresetcircuitshownonthecircuitwasnotrequiredbythefinaldesign.AllLEDsaredrivenfromthe+5_DISrailapartfromstandby(red)asthisisonthe3V14(STBY)rail.ModesindicatedbythestandbyLEDModeIlluminationStandbyRedPoweronBluePoweronchargeVioletProgrammode(standbyheld+5secs)FlashingredReceivingsoftwareFast(strobe)redModesindicatedbyinputLEDModeIlluminationSyncingtodockediPodFlashinggreenSynccompleteSolidgreenModeindicatedbywirelessLEDModeIlluminationNoavailablelockRedLockpresentGreenSearchingforlink(holdwirelesskey+5secs)FlashingredModeindicatedbyVol+/LEDSModeIlluminationMuteBothLEDSongreenTheIRsensoratlocationRX1isconnecteddirectlytoU301andrunsfromthe3V14supplyChecksoftwareversionPleasenoteinstructionsarebasedonan80GBiPodclassictheroutepathiscommontoallvariants.PlaceaniPod/iPhoneintherCubesdockingreceptacle Navigatetosettings(click) Navigatetoabout(click)YouwillnowseeinformationregardingtheiPodscapacity/memoryusagenavigatetoscreenfourasindicatedbythedotsatthebottomofthescreenandyoushouldseethebeloworsimilar.InthisinstancewecanseethattheSoftwareversionisV1.07.ToupdatesoftwareDownloadthelatestSWversionavailablefromsupportarcam.co.ukorlocaldistributor.LoadthisontoaUSBmemorystick(thisneedstobeastandardmemorysticknotonthatcarriesabootloadersuchaCruzors). Withthecubeinstandby Pressandholdthetopplatestandbybuttonfor+5seconds StandbyLEDshouldstarttoflashwithafrequencyof2timeasecond Placememorystickinrearpanelport LEDwillnowstrobeveryquicklyandtherCubewillresetafter15seconds RemoveUSBstick PowercyclerCube(rearpanelswitch)CheckthatsoftwareversionisasexpectedusingiPodasinpreviouslyexplainedprocedure.rCubeModelrCubeManufacturerArcamSerialnumberVersionV1.07*AccidentalsoftwaremodeinitializationIftherCubeisaccidentlyputintoprogram/updatemodesimplypowercycletorCubetoreturntonormaloperation.NotesformacusersTheUSBupdateshouldbestickshouldbeformattedtoFAT32standardandtheonlyfilepresentonthestickshouldbethesoftwareupdatei.enoindexingfilessuchasDS_Storefiles,thumbs.dbfilesuseasoftwaresuchCleanmymacavailableathttp:/ NO.DRAWING TITLEDATEFilename:ECO No.DESCRIPTION OF CHANGEL182_1.0 SoundCube Top level.SchDocSoundCube - Top LevelContact Engineer:L182CT28/09/2010INITIALSPrinted:17SheetofNotes:Contact Tel Direct:01223 203210Mark TweedaleA & R Cambridge Ltd.Pembroke AvenueCambridge CB25 9QRWaterbeachA2ARCAMContact Tel Reception: 01223 203200marktarcam.co.uk1FIX100Dia 3.2mm1FIX103Dia 3.2mm1FIX101Dia 3.5mmGND1FIX104Dia 3.5mmGND1FIX102Dia 3.5mm1FIX105Dia 3.5mmGND1FIX106Dia 3.5mm1FIX107Dia 3.5mm1FIX108Dia 3.5mmIPOD_AUX_RIPOD_AUX_LIR_EYEI2C_SDAI2C_SCLINT_DISPLAY*SPARE2IPOD_TO_UC_RS232UC_TO_IPOD_RS232STBY_LEDACC_POWERIPOD_DETECTMICRO_READYAN_IP_SELVID_CABLE_0VID_CABLE_1U_L182_1L182_1.0 SoundCube audio in video out.SchDocTWEET_RTWEET_LWOOF_RWOOF_LVOL_CLKVOL_DATAMP_TEMP_COM*AMP_SHDN*AMP_MUTE*U_L182_1L182_1.0 SoundCube filters + amps.SchDocVOL_DATVOL_CLKUART_UC_TO_KLEERIR_EYEVID_CABLE_0VID_CABLE_1SPI_MODE0SPI_MODE1USB_PWR_FAULT*HOST_SPI_CS*HOST_SPI_CLKHOST_SPI_DATA_OUTHOST_SPI_DATA_INUART_KLEER_TO_UCI2C_SCLI2C_SDAPSU_DISABLEIPOD_DETECTACC_POWERSTBY_LEDSPARE2INT_DISPLAY*DSP_I2C_SCLDSP_I2C_SDABATT_PWR_PRESENT*DC_PWR_PRESENT*V_IOUT_POTAMP_TEMP_COM*AMP_SHDN*AMP_MUTE*EN_IPOD_PWRMICRO_READYAN_IP_SELSPDIF_RST*KLEER_SDATA_DIRDSP_RES*KLEER_RESETCHARGE_DISABLEUC_TO_IPOD_RS232IPOD_TO_UC_RS232U_L182_1L182_1.0 SoundCube Micro.SchDocCHARGE_DISABLEV_IOUT_POTDC_PWR_PRESENT*PSU_DISABLEUSB_PWR_FAULT*EN_IPOD_PWRBATT_PWR_PRESENT*U_L182_1L182_1.0 SoundCube PSU + charge.SchDocKLR3012_RFRX_ENTX_ENDIV_CTRLU_L182_1L182_1.0 SoundCube RF amp.SchDocSPI_MODE0SPI_MODE1HOST_SPI_DATA_OUTHOST_SPI_CS*HOST_SPI_CLKHOST_SPI_DATA_INKLR3012_RFKLEER_SDATA_DIRKLEER_RESETSPDIF_RST*I2C_SCLI2C_SDAUART_UC_TO_KLEERUART_KLEER_TO_UCDIV_CTRLRX_ENTX_ENDSP_RES*DSP_I2C_SDADSP_I2C_SCLWOOF_LWOOF_RTWEET_LTWEET_RIPOD_AUX_RIPOD_AUX_LU_L182_1L182_1.0 SoundCube kleer + DSP.SchDocI2C_SDAI2C_SCLI2C_SDAI2C_SCLAudio in - Video outHost MicroPSU + Battery chargerKleer module + DSP (ADC/DAC)RF Amp + DiversityAudio Amp and DAC filtersTL100TL101FD100FD101(Incl. conns to iPod board and display)TL102TL103FD102FD103FD104FD105QTYDESCRIPTIONPART No.NOTESITEMBlank PCB SoundCube MainL182PBPCB100109_E142PK08-07-09Prototype releaseA.010_E001PK05-01-10None to this sheetB.010_E074PK30/03/10Remove sense star connectionC.050VC10010N50VC10110N50VC10210NGNDGNDGND1.0Add test points10_E136PK09/09/11P100P101P102P0C10001 P0C10002 P0C10101 P0C10102 P0C10201 P0C10202 P0FD10001 P0FD10101 P0FD10201 P0FD10301 P0FD10401 P0FD10501 P0FIX10001 P0FIX10101 P0FIX10201 P0FIX10301 P0FIX10401 P0FIX10501 P0FIX10601 P0FIX10701 P0FIX10801 P0P1000TP P0P1010TP P0P1020TP P0C10002 P0C10102 P0C10202 P0FIX10001 P0FIX10101 P0FIX10501 N0I2C0SCL N0I2C0SDA P0C10001 P0FIX10401 P0P1000TP P0C10101 P0FIX10301 P0P1010TP P0C10201 P0FIX10201 P0P1020TP P0FD10001 P0FD10101 P0FD10201 P0FD10301 P0FD10401 P0FD10501 P0FIX10601 P0FIX10701 P0FIX10801 P0C10001 P0C10002 P0C10101 P0C10102 P0C10201 P0C10202 P0FD10001 P0FD10101 P0FD10201 P0FD10301 P0FD10401 P0FD10501 P0FIX10001 P0FIX10101 P0FIX10201 P0FIX10301 P0FIX10401 P0FIX10501 P0FIX10601 P0FIX10701 P0FIX10801 P0P1000TP P0P1010TP P0P1020TP P0C10002 P0C10102 P0C10202 P0FIX10001 P0FIX10101 P0FIX10501 P0C10001 P0FIX10401 P0P1000TP P0C10101 P0FIX10301 P0P1010TP P0C10201 P0FIX10201 P0P1020TP P0FD10001 P0FD10101 P0FD10201 P0FD10301 P0FD10401 P0FD10501 P0FIX10601 P0FIX10701 P0FIX10801 ISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No.DESCRIPTION OF CHANGEL182_1.0 SoundCube audio in video out.SchDocSoundCube - audio in / video outContact Engineer:L182CT28/09/2010INITIALSPrinted:27SheetofNotes:Contact Tel Direct:01223 203210Mark TweedaleA & R Cambridge Ltd.Pembroke AvenueCambridge CB25 9QRWaterbeachA3ARCAMContact Tel Reception: 01223 203200marktarcam.co.ukTo iPod connector boardPins swapped over c.f. iPod connector boardIPOD_A/V_RETURNIPOD_AUDIO_RREMOTE_SENSEIPOD_AUDIO_LIPOD_A/V_RETURNSVID-C_COMP-YSVID-Y_COMP-PRCVBS_COMP-PB23184IC202ANJM2114M0W063R21210KGND+5VA-5V16VC212100NGND16VC216100NGND657IC202BNJM2114M0W063R22110KGNDAUX_LAUX_R657IC201BNJM2114M0W063R20010K0W063R20110K0W063R20510K0W063R20310KGND+5VA-5V16VC200100NGND16VC203100NGND23184IC201ANJM2114M0W063R20610K0W063R20710K0W063R21110K0W063R20910KGND231IC200ADG413DYV-4GND5V+13VL12IC200EDG413DY10119IC200CDG413DY141516IC200DDG413DY678IC200BDG413DYAN_IP_SEL+5VA-5V16VC219100N16VC221100NGND50VC20210UF50VC20610UFD200BAT54SD201BAT54S+5VA-5V+5VA-5V16VC207470UF16VC210470UF16VC214470UF16VC208100N16VC211100N16VC215100NSVID-C_COMP-YSVID-Y_COMP-PRCVBS_COMP-PB523861SCRN247SCRN3SCRN11201-05MSKT200NELTRONGND0W0630603R21610K0W0630603R21710K+3V14VID_CABLE_0VID_CABLE_1Analogue input selection table:AN_IP_SEL0 = iPod1 = AuxVideo breakout cable detection:VID_CABLE_0VID_CABLE_100011011No cable - Default to Composite (CVBS)Component (3-wire video) cable attachedComposite / S-Video cable attachedReserved50V0603C201100P50V0603C205100