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1、 ArcamrCubeServicemanual AndyMooreissue1 RadioFans.CN Overview TherCubeinitssimplestformcanbethoughtofasahighperformanceiPoddockingstation withmorethanafewuniquefeaturestheseinclude. WirelesstransmissionfromeitheriPodtransmitter(ArcamWand)orUSB(ArcamWave)these arebothoptionalextras. rCubescantransmi
2、ttoeachotherfromadockediPodorexternalsourcewiredsource. Internalbatterypowersupply. EasilyreplaceableiPodheader(coveredlatterinmanual). Access AlthoughverycompacttherCubeisdesignedtobeserviceablewithaccessgainedfrom underneathtoallelectroniccircuits(removethefourrubberfeet)youwillseefourPhilips scre
3、ws,oncetheseareremovedthebaseplatecanbeliftedawayexposingthemaincircuit board.Themainspeakerarrayisnotconsideredaserviceablepartbutwillbeavailableasa completeassembly.Pleaseseedetailedexplodedview. Circuitdescription PSUandcharge The19VD.CPSUfortherCubeisderivedfromeitheranexternalregulatedPSUorifno
4、t presentfromtheinternallithiumionbatterypacksthefollowingisadescriptionofthePSU selection. Theexternal19VpowersupplyisconnectedtoCon600andisinternallyfusedbythe4Afuseat locationFS600therearpanelswitchcanbeseenatlocationSW600(a),D600isusedtoprevent reversebias,D602andTR600fromaD.Csensecircuitthislin
5、egoestothemainmicroat locationU301pin7. PSUselectioniscontrolbytheMAX1873SwitchmodeLichargecontrolleratlocationIC603the external19vsourcecanbeseentoarriveatpin15(DCin)andwhenpresentsimplybypasses thechipwhilstbeingmonitoredbypins1/2(currentsense)andcanbeseentoformthe19v sourcenetonthediagram.Theinte
6、rnalbatterysourcecanbeseenconnectedtoCON602and againtravelsthruthe2ndpoleofswitchesavailableonSW600(b)D605andTR603areusedto formsimplelogictoindicatetomicroU301thatbatterypowerispresent,D606allowsapathto themain19vnetwhilstpreventingreversebias,theMosfet(M601)isusedtoenablechargeif necessarywhenpowe
7、rispresenttheentirecircuitisoverseenbythemainmicroU301via RadioFans.CN PSUandchargecontinued thefeedbackgivenbyIC602allowingforintelligentchargingwithchargeenableprovidedfrom themicroviaM602onthecontrollinelabeledascharge_enablemakingaprovisionfor extendedcelllife. Multipleregulatorsareusedtosupplyt
8、he(low)voltageareasofthedesigntheseare1.4Astep downadjustableregulators,REG600receivesa19vsourceatpinonetheoutputvoltageisset byR601andR640,MosfetM600allowsforthePSUdisablewiththe3Vstandbysupplybeing tappedofpriortotheswitch. REG602andREG603operateinasimilarfashionalthoughutilizethechipsownPSUshutdo
9、wn controloptionatpin2(SD)undercontrolofmicroU301,amoreconventionalregulatorisused atlocationREG601toprovidethe1.8vcoresupplytoU301. IC601providesalogicswitched(EN_iPod_PWR)currentlimited+5vsupplytotheiPodtowhilst alsopreventinganovercurrentsituationattherearpanelUSBinput+3v1thisisreportedto themain
10、microviatheUSB_PWR_FAULTline. REG604(LDO)providesa3v1supplytotheKleerandR.Fcircuitsandissourcedfromthe+5v supply. IC600isachargepumpconvertoronthe+5VApowersupplyrail. Micro TheMicroisshownintwohalvesonthediagramshownasIC301(a)detailingportallocation andIC301(b)detailingpowersupplyrequirementsandprog
11、rammingheaderwithreset providedbyIC303. PSUrequirementsinclude3V3STBYandV1.8(internallygeneratedbytheATMEL) ThebelowtabledetailstheIC301pinallocationsandfunctions Pin number DescriptionAssociatedcircuit(s) 6AMP_TEMP_COMPin32ofpowerampsandlocationsIC504IC505IC506 7DC_PWR_PRESENTFromTR600(sheet6) 9V_I
12、OUT_POTFromIC603viaIC602MAX1873(sheet6) 10BATT_PWR_PRESENTFromTR603(sheet6) 11POS_SWSW301RearPanelBassselectswitch 12DSP_12C_SDADSPatlocationIC400 13DSP_12C_SDLDSPatLocationIC400 RadioFans.CN IC301pinallocationsandfunctionscontinued Pin number DescriptionAssociatedcircuit(s) 14INT_DISPLAYTotopplated
13、isplayviaiPodheaderboard 16STBY_LEDTotopplatedisplayviaiPodhearerboard 24ACC_POWERFromiPodheader 25IPOD_DETECTFromiPodHeader 26VID_CABLE_0FrommultipinvideoconnectoratlocationSKT200 27PSU_DISABLERegulatorsRG602andRG603 28I2C_SDlAppleauthenticationchipatlocationIC300 29I2c_SDAAppleauthenticationchipat
14、locationIC300 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 41SPI_MODE
15、0Receive/TransmittoggleviaIC403 42SPI_MODE1Receive/TransmittoggleviaIC403 43VID_CABLE_1FrommultipinvideoconnectoratlocationSKT200 44IR_EYEFromiPodheaderinterface 45CHARGE_DISABLEToIC603viaMosfetM602 46ATMEL_/OE 47UART_UC_TO_KLEERKleerinterfacedata 54VOL_CLKToIC501/IC502volumecontrols 55VOL_DATToIC50
16、1/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+_UCUSBstickviaESDprotectionpackageI
17、C304 51USB_D_UCUSBstickviaESDprotectionpackageIC304 52+5V(USB)_STICK+5VUSBstickPSU RadioFans.CN Audioin/Videoout iPodaudiocanbeseenasIPOD_AUDO_LandIPOD_AUDIO_RthisisdriventhrutheNJM2114 opampatIC201(A/B)beforearrivingattheDG413analoguecmoschipatlocationIC200(A/B) thisswitchallowsfortheroutingofeithe
18、raudiofromadockediPodorfromtheexternalpath via3.5mmrearpanelstereojackatlocationSK202againcominginviaaNJN2114atlocation IC202(A/B)alsopresentonthispageistheYUVandCompositevideooutputsthesesignalsare deriveddirectlyfromthesourcedeviceandcanbeseenoncircuitas SVIDCCOMPY SVIDYCOMPPR CVBSCOMPPB Defaultou
19、tputisCompositewithYUVswitchedwhenan“Arcam”YUVcableisinsertedandthe senseonVID_CABLE_0andVID_CABLE_1aretriggered. KLEERandDSP AllaudiosignalsareroutedthrutheAnalogDevicesDSPchipatlocationIC400allowingfornot onlytheHigh/Lowpassfilteringofchannelsforthepowerampstagebutalsobespokeaudio manipulation,the
20、analogueaudiofromeitherdockediPodorAuxL+Rinappearingatpins 78/79aWolfsonWM8805runningformaref11.2896MhzclockisusedprimarilyforJitter reductionfortheKleerinputchipatLocationIC407itisimportanttonotethattheKleerChip isareceiverortransmittertheKleerchipisundercontrolofthemicroatpositionU301the receive/t
21、ransmitcircuitcanbeseenontheR.Fampcircuit.Datafortransmissionfroma dockedorexternalsourcecanbeseencomingfromtheDSPasSDATA_DSP_OUT.The E2PROMSatlocationsIC405andIC406areusedtostoretransmit/receivelockhistory. RFAMP Thinkofthisstageasatransceiveri.eitwillbothsendandreceiveinformationfromthe externalta
22、rgetthestageusestoggleswitchestoeffectiveswitchthebetweenthetransmitand receivestages. RadioFans.CN RFAMPcontinue TheRFstageisbothReceiveorTransmit(transceiver)allowingCubestobelinkedfordocked iPodsourceandexternalanalogueinputshenceyouwillseetwospatepathsthatareswitched R.FswitchesseenasIC701IC702I
23、C703twoseparateAntennaareusedandtherCubehasthe abilitytoselectthemoststableaerialatanygiventimetheaudiopathinto/outoftheKleer chipisseenasKL3012regardlessofstatuswheninreceivemodetheRFpowerampis bypassedbyIC701,IC702intransmissionmodebothswitchesaretoggledtobringtheSaw filterFL700andLowRFPassfilterF
24、L701withPowerAmpIC704backinline,Thetwoantenna areconnectedtothesurfacemountsocketsatSKT700anSKT701. DACFiltersandAmplifiers AudioarrivetheDACfiltersandAmplifierscircuitfromtheDSPas4separatechannelsthese beingTWEET_L/TWEET_R/WOOF_L/WOOF_Reachchanneltravelthruanidenticalfilter circuitTWEET_Lchannelwil
25、lbedescribed. TWEET_RaudioarriveatcapacitorC508beforetravelingintothefilterbasedaroundthe NJM2114atlocationIC500theaudioisfurtherfilteredbythenetworkofcapacitorsbased aroundC326andC327incombinationwithC510audiothenpassesintotheVolumecontrol ICatlocationIC501onpin1andcanbeseentoexit(volumeadjusted)on
26、pin14thevolume controlisundercontrolofthemainmicroatpositionU302vialineVOL_CLK/VOL_DATtheline willknowbeknownasTWEET_VOL_RandtravelsintothePowerampchipatlocationIC507 (sharedwithTWEET_VOL_L)thispackageisdrivenfromthe+19v_ampsupplyandisthermally protecttotriggerat100c/standbyandmutecontrolcomesfromth
27、emainmicroandtemp statusofthepowerampcanbereportedtobacktothemicro. TheWOOF_VOL_LandWOOF_VOL_Raudiopathsuseabridgedpowerampeachseenat locationsIC504andIC05. Displayandkeyboard ThedisplayboardisconnectedtothemainboardviatheiPodheaderboardanditsprimary linkonthemainboardismainmicroU301. Theboardisbuil
28、taroundtheIC1aAT42QT10606channelsensorICthisallowsforcapacitive sensorsaskeysandalsoperformtheroleofdrivingthetopplateLEDswithexceptionof StandbyLEDstatusred(thiscomesdirectlyfromU301)thechipissuppliedbythe3V14STBY powersupply,theresetcircuitshownonthecircuitwasnotrequiredbythefinaldesign. AllLEDsar
29、edrivenfromthe+5_DISrailapartfromstandby(red)asthisisonthe3V14(STBY) rail. RadioFans.CN ModesindicatedbythestandbyLED ModeIllumination StandbyRed PoweronBlue PoweronchargeViolet Programmode(standbyheld+5secs)Flashingred ReceivingsoftwareFast(strobe)red ModesindicatedbyinputLED ModeIllumination Synci
30、ngtodockediPodFlashinggreen SynccompleteSolidgreen ModeindicatedbywirelessLED ModeIllumination NoavailablelockRed LockpresentGreen Searchingforlink(holdwirelesskey+5secs)Flashingred ModeindicatedbyVol+/LEDS ModeIllumination MuteBothLEDSongreen TheIRsensoratlocationRX1isconnecteddirectlytoU301andruns
31、fromthe3V14supply RadioFans.CN Checksoftwareversion Pleasenoteinstructionsarebasedonan80GBiPodclassictheroutepathiscommontoall variants. PlaceaniPod/iPhoneintherCubesdockingreceptacle Navigatetosettings(click) Navigatetoabout(click) YouwillnowseeinformationregardingtheiPodscapacity/memoryusagenaviga
32、tetoscreen fourasindicatedbythedotsatthebottomofthescreenandyoushouldseethebelowor similar. InthisinstancewecanseethattheSoftwareversionisV1.07. Toupdatesoftware DownloadthelatestSWversionavailablefromsupportarcam.co.ukorlocaldistributor. LoadthisontoaUSBmemorystick(thisneedstobeastandardmemorystick
33、notonthat carriesabootloadersuchaCruzors). Withthecubeinstandby Pressandholdthetopplatestandbybuttonfor+5seconds StandbyLEDshouldstarttoflashwithafrequencyof2timeasecond Placememorystickinrearpanelport LEDwillnowstrobeveryquicklyandtherCubewillresetafter15seconds RemoveUSBstick PowercyclerCube(rearp
34、anelswitch)Checkthatsoftwareversionisasexpectedusing iPodasinpreviouslyexplainedprocedure. rCube ModelrCube ManufacturerArcam Serialnumber VersionV1.07 * RadioFans.CN Accidentalsoftwaremodeinitialization IftherCubeisaccidentlyputintoprogram/updatemodesimplypowercycletorCubeto returntonormaloperation
35、. Notesformacusers TheUSBupdateshouldbestickshouldbeformattedtoFAT32standardandtheonlyfile presentonthestickshouldbethesoftwareupdatei.enoindexingfilessuchasDS_Storefiles, thumbs.dbfilesuseasoftwaresuchCleanmymacavailableat YouareinterestedintheDeviceCleanupfeature. RadioFans.CN ISSUE DRAWING NO. DR
36、AWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L182_1.0 SoundCube 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 A
37、RCAM Contact Tel Reception: 01223 203200marktarcam.co.uk 1 FIX100 Dia 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* SP
38、ARE2 IPOD_TO_UC_RS232 UC_TO_IPOD_RS232 STBY_LED ACC_POWER IPOD_DETECT 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
39、VOL_DAT VOL_CLK UART_UC_TO_KLEER IR_EYE VID_CABLE_0 VID_CABLE_1 SPI_MODE0 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
40、_PWR_PRESENT* V_IOUT_POT AMP_TEMP_COM* AMP_SHDN* AMP_MUTE* EN_IPOD_PWR 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* E
41、N_IPOD_PWR BATT_PWR_PRESENT* U_L182_1 L182_1.0 SoundCube PSU + charge.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 UA
42、RT_UC_TO_KLEER UART_KLEER_TO_UC DIV_CTRL RX_EN TX_EN DSP_RES* DSP_I2C_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)R
43、F Amp + Diversity Audio Amp and DAC filters TL100 TL101 FD100 FD101 (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_E074PK
44、30/03/10Remove sense star connectionC.0 50V C100 10N 50V C101 10N 50V 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
45、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 P0FD1
46、0401 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
47、P0C10102 P0C10202 P0FIX10001 P0FIX10101 P0FIX10501 P0C10001 P0FIX10401 P0P1000TP P0C10101 P0FIX10301 P0P1010TP P0C10201 P0FIX10201 P0P1020TP P0FD10001 P0FD10101 P0FD10201 P0FD10301 P0FD10401 P0FD10501 P0FIX10601 P0FIX10701 P0FIX10801 RadioFans.CN ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No
48、.DESCRIPTION OF CHANGE L182_1.0 SoundCube audio in video out.SchDoc SoundCube - audio 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
49、Tel Reception: 01223 203200marktarcam.co.uk To iPod connector board Pins swapped over 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 C2