Arcam-rCube-dock-sm维修电路原理图.pdf

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1、 ArcamrCubeServicemanual AndyMooreissue1 RadioFans.CN 收音机爱 好者资料库 Overview TherCubeinitssimplestformcanbethoughtofasahighperformanceiPoddockingstation withmorethanafewuniquefeaturestheseinclude. WirelesstransmissionfromeitheriPodtransmitter(ArcamWand)orUSB(ArcamWave)these arebothoptionalextras. rCube

2、scantransmittoeachotherfromadockediPodorexternalsourcewiredsource. Internalbatterypowersupply. EasilyreplaceableiPodheader(coveredlatterinmanual). Access AlthoughverycompacttherCubeisdesignedtobeserviceablewithaccessgainedfrom underneathtoallelectroniccircuits(removethefourrubberfeet)youwillseefourP

3、hilips screws,oncetheseareremovedthebaseplatecanbeliftedawayexposingthemaincircuit board.Themainspeakerarrayisnotconsideredaserviceablepartbutwillbeavailableasa completeassembly.Pleaseseedetailedexplodedview. Circuitdescription PSUandcharge The19VD.CPSUfortherCubeisderivedfromeitheranexternalregulat

4、edPSUorifnot presentfromtheinternallithiumionbatterypacksthefollowingisadescriptionofthePSU selection. Theexternal19VpowersupplyisconnectedtoCon600andisinternallyfusedbythe4Afuseat locationFS600therearpanelswitchcanbeseenatlocationSW600(a),D600isusedtoprevent reversebias,D602andTR600fromaD.Csensecir

5、cuitthislinegoestothemainmicroat locationU301pin7. PSUselectioniscontrolbytheMAX1873SwitchmodeLichargecontrolleratlocationIC603the external19vsourcecanbeseentoarriveatpin15(DCin)andwhenpresentsimplybypasses thechipwhilstbeingmonitoredbypins1/2(currentsense)andcanbeseentoformthe19v sourcenetonthediag

6、ram.TheinternalbatterysourcecanbeseenconnectedtoCON602and againtravelsthruthe2ndpoleofswitchesavailableonSW600(b)D605andTR603areusedto formsimplelogictoindicatetomicroU301thatbatterypowerispresent,D606allowsapathto themain19vnetwhilstpreventingreversebias,theMosfet(M601)isusedtoenablechargeif necess

7、arywhenpowerispresenttheentirecircuitisoverseenbythemainmicroU301via RadioFans.CN 收音机爱 好者资料库 PSUandchargecontinued thefeedbackgivenbyIC602allowingforintelligentchargingwithchargeenableprovidedfrom themicroviaM602onthecontrollinelabeledascharge_enablemakingaprovisionfor extendedcelllife. Multipleregu

8、latorsareusedtosupplythe(low)voltageareasofthedesigntheseare1.4Astep downadjustableregulators,REG600receivesa19vsourceatpinonetheoutputvoltageisset byR601andR640,MosfetM600allowsforthePSUdisablewiththe3Vstandbysupplybeing tappedofpriortotheswitch. REG602andREG603operateinasimilarfashionalthoughutili

9、zethechipsownPSUshutdown controloptionatpin2(SD)undercontrolofmicroU301,amoreconventionalregulatorisused atlocationREG601toprovidethe1.8vcoresupplytoU301. IC601providesalogicswitched(EN_iPod_PWR)currentlimited+5vsupplytotheiPodtowhilst alsopreventinganovercurrentsituationattherearpanelUSBinput+3v1th

10、isisreportedto themainmicroviatheUSB_PWR_FAULTline. REG604(LDO)providesa3v1supplytotheKleerandR.Fcircuitsandissourcedfromthe+5v supply. IC600isachargepumpconvertoronthe+5VApowersupplyrail. Micro TheMicroisshownintwohalvesonthediagramshownasIC301(a)detailingportallocation andIC301(b)detailingpowersup

11、plyrequirementsandprogrammingheaderwithreset providedbyIC303. PSUrequirementsinclude3V3STBYandV1.8(internallygeneratedbytheATMEL) ThebelowtabledetailstheIC301pinallocationsandfunctions Pin number DescriptionAssociatedcircuit(s) 6AMP_TEMP_COMPin32ofpowerampsandlocationsIC504IC505IC506 7DC_PWR_PRESENT

12、FromTR600(sheet6) 9V_IOUT_POTFromIC603viaIC602MAX1873(sheet6) 10BATT_PWR_PRESENTFromTR603(sheet6) 11POS_SWSW301RearPanelBassselectswitch 12DSP_12C_SDADSPatlocationIC400 13DSP_12C_SDLDSPatLocationIC400 IC301pinallocationsandfunctionscontinued Pin number DescriptionAssociatedcircuit(s) 14INT_DISPLAYTo

13、topplatedisplayviaiPodheaderboard 16STBY_LEDTotopplatedisplayviaiPodhearerboard 24ACC_POWERFromiPodheader 25IPOD_DETECTFromiPodHeader 26VID_CABLE_0FrommultipinvideoconnectoratlocationSKT200 27PSU_DISABLERegulatorsRG602andRG603 28I2C_SDlAppleauthenticationchipatlocationIC300 29I2c_SDAAppleauthenticat

14、ionchipatlocationIC300 30UC595_CLK8bitshiftregisteratlocationIC302(A) 31UC595_DATA8bitshiftregisteratlocationIC302(A) 33PROGRAM_SWNoFit 34HOST_SPI_DATA_OUTIC405anddebug 35HOST_SPI_CLKIC405anddebug 36HOST_SPI_CS*IC405anddebug 37UC595_LATCH8bitshiftregisteratlocationIC301(A) 38USB_PWR_FAULTFromIC601 4

15、1SPI_MODE0Receive/TransmittoggleviaIC403 42SPI_MODE1Receive/TransmittoggleviaIC403 43VID_CABLE_1FrommultipinvideoconnectoratlocationSKT200 44IR_EYEFromiPodheaderinterface 45CHARGE_DISABLEToIC603viaMosfetM602 46ATMEL_/OE 47UART_UC_TO_KLEERKleerinterfacedata 54VOL_CLKToIC501/IC502volumecontrols 55VOL_

16、DATToIC501/IC502volumecontrols 57IPOD_TO_UC_RS232iPodinterfaceData 58UC_TO_IPOD_RS232iPodinterfaceData 59UART_KLEER_TO_UCKleerinterfacedata 60HOST_SPI_DATA_INIC405anddebug 61AMP_SHDN*TopoweramppackagesIC504,IC504,IC506 62AMP_MUTE*TopoweramppackagesIC504,IC504,IC506 50USB_D+_UCUSBstickviaESDprotectio

17、npackageIC304 51USB_D_UCUSBstickviaESDprotectionpackageIC304 52+5V(USB)_STICK+5VUSBstickPSU Audioin/Videoout iPodaudiocanbeseenasIPOD_AUDO_LandIPOD_AUDIO_RthisisdriventhrutheNJM2114 opampatIC201(A/B)beforearrivingattheDG413analoguecmoschipatlocationIC200(A/B) thisswitchallowsfortheroutingofeitheraud

18、iofromadockediPodorfromtheexternalpath via3.5mmrearpanelstereojackatlocationSK202againcominginviaaNJN2114atlocation IC202(A/B)alsopresentonthispageistheYUVandCompositevideooutputsthesesignalsare deriveddirectlyfromthesourcedeviceandcanbeseenoncircuitas SVIDCCOMPY SVIDYCOMPPR CVBSCOMPPB Defaultoutput

19、isCompositewithYUVswitchedwhenan“Arcam”YUVcableisinsertedandthe senseonVID_CABLE_0andVID_CABLE_1aretriggered. KLEERandDSP AllaudiosignalsareroutedthrutheAnalogDevicesDSPchipatlocationIC400allowingfornot onlytheHigh/Lowpassfilteringofchannelsforthepowerampstagebutalsobespokeaudio manipulation,theanal

20、ogueaudiofromeitherdockediPodorAuxL+Rinappearingatpins 78/79aWolfsonWM8805runningformaref11.2896MhzclockisusedprimarilyforJitter reductionfortheKleerinputchipatLocationIC407itisimportanttonotethattheKleerChip isareceiverortransmittertheKleerchipisundercontrolofthemicroatpositionU301the receive/trans

21、mitcircuitcanbeseenontheR.Fampcircuit.Datafortransmissionfroma dockedorexternalsourcecanbeseencomingfromtheDSPasSDATA_DSP_OUT.The E2PROMSatlocationsIC405andIC406areusedtostoretransmit/receivelockhistory. RFAMP Thinkofthisstageasatransceiveri.eitwillbothsendandreceiveinformationfromthe externaltarget

22、thestageusestoggleswitchestoeffectiveswitchthebetweenthetransmitand receivestages. RFAMPcontinue TheRFstageisbothReceiveorTransmit(transceiver)allowingCubestobelinkedfordocked iPodsourceandexternalanalogueinputshenceyouwillseetwospatepathsthatareswitched R.FswitchesseenasIC701IC702IC703twoseparateAn

23、tennaareusedandtherCubehasthe abilitytoselectthemoststableaerialatanygiventimetheaudiopathinto/outoftheKleer chipisseenasKL3012regardlessofstatuswheninreceivemodetheRFpowerampis bypassedbyIC701,IC702intransmissionmodebothswitchesaretoggledtobringtheSaw filterFL700andLowRFPassfilterFL701withPowerAmpI

24、C704backinline,Thetwoantenna areconnectedtothesurfacemountsocketsatSKT700anSKT701. DACFiltersandAmplifiers AudioarrivetheDACfiltersandAmplifierscircuitfromtheDSPas4separatechannelsthese beingTWEET_L/TWEET_R/WOOF_L/WOOF_Reachchanneltravelthruanidenticalfilter circuitTWEET_Lchannelwillbedescribed. TWE

25、ET_RaudioarriveatcapacitorC508beforetravelingintothefilterbasedaroundthe NJM2114atlocationIC500theaudioisfurtherfilteredbythenetworkofcapacitorsbased aroundC326andC327incombinationwithC510audiothenpassesintotheVolumecontrol ICatlocationIC501onpin1andcanbeseentoexit(volumeadjusted)onpin14thevolume co

26、ntrolisundercontrolofthemainmicroatpositionU302vialineVOL_CLK/VOL_DATtheline willknowbeknownasTWEET_VOL_RandtravelsintothePowerampchipatlocationIC507 (sharedwithTWEET_VOL_L)thispackageisdrivenfromthe+19v_ampsupplyandisthermally protecttotriggerat100c/standbyandmutecontrolcomesfromthemainmicroandtemp

27、 statusofthepowerampcanbereportedtobacktothemicro. TheWOOF_VOL_LandWOOF_VOL_Raudiopathsuseabridgedpowerampeachseenat locationsIC504andIC05. Displayandkeyboard ThedisplayboardisconnectedtothemainboardviatheiPodheaderboardanditsprimary linkonthemainboardismainmicroU301. TheboardisbuiltaroundtheIC1aAT4

28、2QT10606channelsensorICthisallowsforcapacitive sensorsaskeysandalsoperformtheroleofdrivingthetopplateLEDswithexceptionof StandbyLEDstatusred(thiscomesdirectlyfromU301)thechipissuppliedbythe3V14STBY powersupply,theresetcircuitshownonthecircuitwasnotrequiredbythefinaldesign. AllLEDsaredrivenfromthe+5_

29、DISrailapartfromstandby(red)asthisisonthe3V14(STBY) rail. ModesindicatedbythestandbyLED ModeIllumination StandbyRed PoweronBlue PoweronchargeViolet Programmode(standbyheld+5secs)Flashingred ReceivingsoftwareFast(strobe)red ModesindicatedbyinputLED ModeIllumination SyncingtodockediPodFlashinggreen Sy

30、nccompleteSolidgreen ModeindicatedbywirelessLED ModeIllumination NoavailablelockRed LockpresentGreen Searchingforlink(holdwirelesskey+5secs)Flashingred ModeindicatedbyVol+/LEDS ModeIllumination MuteBothLEDSongreen TheIRsensoratlocationRX1isconnecteddirectlytoU301andrunsfromthe3V14supply Checksoftwar

31、eversion Pleasenoteinstructionsarebasedonan80GBiPodclassictheroutepathiscommontoall variants. PlaceaniPod/iPhoneintherCubesdockingreceptacle Navigatetosettings(click) Navigatetoabout(click) YouwillnowseeinformationregardingtheiPodscapacity/memoryusagenavigatetoscreen fourasindicatedbythedotsatthebot

32、tomofthescreenandyoushouldseethebelowor similar. InthisinstancewecanseethattheSoftwareversionisV1.07. Toupdatesoftware DownloadthelatestSWversionavailablefromsupportarcam.co.ukorlocaldistributor. LoadthisontoaUSBmemorystick(thisneedstobeastandardmemorysticknotonthat carriesabootloadersuchaCruzors).

33、Withthecubeinstandby Pressandholdthetopplatestandbybuttonfor+5seconds StandbyLEDshouldstarttoflashwithafrequencyof2timeasecond Placememorystickinrearpanelport LEDwillnowstrobeveryquicklyandtherCubewillresetafter15seconds RemoveUSBstick PowercyclerCube(rearpanelswitch)Checkthatsoftwareversionisasexpe

34、ctedusing iPodasinpreviouslyexplainedprocedure. rCube ModelrCube ManufacturerArcam Serialnumber VersionV1.07 * Accidentalsoftwaremodeinitialization IftherCubeisaccidentlyputintoprogram/updatemodesimplypowercycletorCubeto returntonormaloperation. Notesformacusers TheUSBupdateshouldbestickshouldbeform

35、attedtoFAT32standardandtheonlyfile presentonthestickshouldbethesoftwareupdatei.enoindexingfilessuchasDS_Storefiles, thumbs.dbfilesuseasoftwaresuchCleanmymacavailableat YouareinterestedintheDeviceCleanupfeature. ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L182_1.0 Soun

36、dCube Top level.SchDoc SoundCube - Top Level Contact Engineer: L182CT 28/09/2010 INITIALS Printed:17Sheetof Notes: Contact Tel Direct:01223 203210Mark Tweedale A & R Cambridge Ltd. Pembroke Avenue Cambridge CB25 9QR Waterbeach A2 ARCAM Contact Tel Reception: 01223 203200marktarcam.co.uk 1 FIX100 Dia

37、 3.2mm 1 FIX103 Dia 3.2mm 1 FIX101 Dia 3.5mm GND 1 FIX104 Dia 3.5mm GND 1 FIX102 Dia 3.5mm 1 FIX105 Dia 3.5mm GND 1 FIX106 Dia 3.5mm 1 FIX107 Dia 3.5mm 1 FIX108 Dia 3.5mm IPOD_AUX_R IPOD_AUX_L IR_EYE I2C_SDA I2C_SCL INT_DISPLAY* SPARE2 IPOD_TO_UC_RS232 UC_TO_IPOD_RS232 STBY_LED ACC_POWER IPOD_DETECT

38、 MICRO_READY AN_IP_SEL VID_CABLE_0 VID_CABLE_1 U_L182_1 L182_1.0 SoundCube audio in video out.SchDoc TWEET_R TWEET_L WOOF_R WOOF_L VOL_CLK VOL_DAT AMP_TEMP_COM* AMP_SHDN* AMP_MUTE* U_L182_1 L182_1.0 SoundCube filters + amps.SchDoc VOL_DAT VOL_CLK UART_UC_TO_KLEER IR_EYE VID_CABLE_0 VID_CABLE_1 SPI_M

39、ODE0 SPI_MODE1 USB_PWR_FAULT* HOST_SPI_CS* HOST_SPI_CLK HOST_SPI_DATA_OUT HOST_SPI_DATA_IN UART_KLEER_TO_UC I2C_SCL I2C_SDA PSU_DISABLE IPOD_DETECT ACC_POWER STBY_LED SPARE2 INT_DISPLAY* DSP_I2C_SCL DSP_I2C_SDA BATT_PWR_PRESENT* DC_PWR_PRESENT* V_IOUT_POT AMP_TEMP_COM* AMP_SHDN* AMP_MUTE* EN_IPOD_PW

40、R MICRO_READY AN_IP_SEL SPDIF_RST* KLEER_SDATA_DIR DSP_RES* KLEER_RESET CHARGE_DISABLEUC_TO_IPOD_RS232 IPOD_TO_UC_RS232 U_L182_1 L182_1.0 SoundCube Micro.SchDoc CHARGE_DISABLE V_IOUT_POT DC_PWR_PRESENT* PSU_DISABLE USB_PWR_FAULT* EN_IPOD_PWR BATT_PWR_PRESENT* U_L182_1 L182_1.0 SoundCube PSU + charge

41、.SchDoc KLR3012_RF RX_EN TX_EN DIV_CTRL U_L182_1 L182_1.0 SoundCube RF amp.SchDoc SPI_MODE0 SPI_MODE1 HOST_SPI_DATA_OUT HOST_SPI_CS* HOST_SPI_CLK HOST_SPI_DATA_IN KLR3012_RF KLEER_SDATA_DIR KLEER_RESET SPDIF_RST* I2C_SCL I2C_SDA UART_UC_TO_KLEER UART_KLEER_TO_UC DIV_CTRL RX_EN TX_EN DSP_RES* DSP_I2C

42、_SDA DSP_I2C_SCL WOOF_L WOOF_R TWEET_L TWEET_R IPOD_AUX_R IPOD_AUX_L U_L182_1 L182_1.0 SoundCube kleer + DSP.SchDoc I2C_SDA I2C_SCL I2C_SDA I2C_SCL Audio in - Video out Host Micro PSU + Battery charger Kleer module + DSP (ADC/DAC)RF Amp + Diversity Audio Amp and DAC filters TL100 TL101 FD100 FD101 (

43、Incl. conns to iPod board and display) TL102 TL103 FD102 FD103 FD104 FD105 QTYDESCRIPTIONPART No.NOTESITEM Blank PCB SoundCube MainL182PBPCB1001 09_E142PK08-07-09Prototype releaseA.0 10_E001PK05-01-10None to this sheetB.0 10_E074PK30/03/10Remove sense star connectionC.0 50V C100 10N 50V C101 10N 50V

44、 C102 10N GND GND GND 1.0Add test points10_E136PK09/09/11 P100 P101 P102 P0C10001 P0C10002 P0C10101 P0C10102 P0C10201 P0C10202 P0FD10001 P0FD10101 P0FD10201 P0FD10301 P0FD10401 P0FD10501 P0FIX10001 P0FIX10101 P0FIX10201 P0FIX10301 P0FIX10401 P0FIX10501 P0FIX10601 P0FIX10701 P0FIX10801 P0P1000TP P0P1

45、010TP 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 P0C

46、10101 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 P0FIX1040

47、1 P0P1000TP P0C10101 P0FIX10301 P0P1010TP P0C10201 P0FIX10201 P0P1020TP P0FD10001 P0FD10101 P0FD10201 P0FD10301 P0FD10401 P0FD10501 P0FIX10601 P0FIX10701 P0FIX10801 ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L182_1.0 SoundCube audio in video out.SchDoc SoundCube - au

48、dio in / video out Contact Engineer: L182CT 28/09/2010 INITIALS Printed:27Sheetof Notes: Contact Tel Direct:01223 203210Mark Tweedale A & R Cambridge Ltd. Pembroke Avenue Cambridge CB25 9QR Waterbeach A3 ARCAM Contact Tel Reception: 01223 203200marktarcam.co.uk To iPod connector board Pins swapped o

49、ver c.f. iPod connector board IPOD_A/V_RETURN IPOD_AUDIO_R REMOTE_SENSE IPOD_AUDIO_L IPOD_A/V_RETURN SVID-C_COMP-Y SVID-Y_COMP-PR CVBS_COMP-PB 2 3 1 84 IC202A NJM2114M 0W063 R212 10K GND +5VA -5V 16V C212 100N GND 16V C216 100N GND 6 5 7 IC202B NJM2114M 0W063 R221 10K GND AUX_L AUX_R 6 5 7 IC201B NJM2114M 0W063 R200 10K 0W063 R201 10K 0W063 R205 10K 0W063 R203 10K GND +5VA -5V 16V C200 100N GND 16V C203 100N GND 2 3 1 84 IC201A NJM2114M 0W063 R206 10K 0W063 R207 1