Arcam-rDac-dac-sm(1)维修电路原理图.pdf

《Arcam-rDac-dac-sm(1)维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Arcam-rDac-dac-sm(1)维修电路原理图.pdf（14页珍藏版）》请在收音机爱好者资料库上搜索。

1、ArcamrDacServicemanualAndyMooreissue1RadioFans.CN 收音机爱 好者资料库OverviewTherDacisaDtoAconvertorfeaturingOptical/CoaxialandUSBinputsandutilizesasimplepushbuttontocyclebetweentheinputoptionwhenlockedontodatatheLEDinfrontoftherelevantsourcewilllightGreenandaudioshouldbepresentiftheLEDisREDincolortheinputis

2、notlockedontorelevantdata.Compatibleformatsinclude.AllPCM2channelInput/bitdepth32kHz44.1kHz48kHz88.2kHz96kHz176kHz192kHzUSB16&24BitYesYesYesYesYesNoNoOptical16&24BitYesYesNoNoNoNoNoCoaxial16&24BitYesYesYesYesYesYes(1)Yes(1)Wireless16BitNoYesNoNoNoNoNo(1) SourcemaynotbecapableofresolutionPowersupplyc

3、ircuitpage5Aexternal6v600maD.CpowersupplyisusedtosupplytherequiredpowertotheConnectoratlocationCON400thisisthenswitchedbytherearpanelmountedpowerswitchatlocationSW400,D400isusedforPSUmonitorbyassociatedcircuitryformedbyIC105andIC104,D401isusedtopreventreversebiasofthePSU,thesupplyisthenfilteredbythe

4、networkofL400andC400toformthemainPSUsourceof+6vD.C.TherDacfeatures7separateregulatedpowerssuppliesdetailsappearinthetablebelowRegulatorlocationsVoltage(d.c)ComponentsassociatedREG400+5vKleeroption,opticalinputrec,LEDarrayviaIC102REG401+3V3IC100,103,104,108,107,200,201,202,203,204,205,206,301mutecirc

5、uitREG402+3VSPDIFreceiverREG403+5vOutputstage+5vREG404+3v3OscillatorREG405+5vDACIC4005vOutputstage5vIC107+1.8MainmicrocorevoltageRadioFans.CN 收音机爱 好者资料库Mainmicrocircuitpage2ThemainmicroatlocationIC107(onthediagramthisissplitintotwoareathesearemicropowerandconfig+MicroI/O)wewilldealwithMicropowerandc

6、onfig1st.MicropowerandconfigTwoseparatepowersuppliesarerequiredbytheAT91SAMthesearetakenfrom3V3and1V8fortheprocessorcorethemicroisprogrammedwithbespokeArcamcodetheoscillatorforthemicroisatX101andrunsat4MHztheTDITDOTCKTMSERASENRSTpinsarefordevelopmentDebuguseandtheconnecteratlocationCON103isnotfitted

7、toproductionitemsMicroI/OPindescriptionsPinnameDescriptionSPDIFINTInterruptflagfromtheSPDIFreceiverSourceTosourceselectTACTswitchMuteRLYControlofmuterelayviaTR100DACMUTEDACMUTEsignaltoPin25ofWolfsonDACatlocationIC301ENABLEKLEERToMUXatlocationIC205AENABLESPDIFToMUXatlocationIC202ASERIALUCtoKLEER Seri

8、alcontroltoKLEERwirelessoptionSERIALKLEERtoUC SerialdatafromKLEERtoUCSCLToEEpromatlocationIC108/DACatlocationIC301/USBreceiveratIC103SDAToEEpromatlocationIC108/DACatlocationIC301/USBreceiveratIC103EnableLEDSLEDsoncontrolLED0BinaryselectforLEDcontrolvia38linedecoderatlocationIC102LED1BinaryselectforL

9、EDcontrolvia38linedecoderatlocationIC102LED3BinaryselectforLEDcontrolvia38linedecoderatlocationIC102InputStagesandswitchingCircuitpages2and3TheinputsaresplitintotwogroupswiththeWolfsonSPDIFreceiveratlocationIC201dealingwithOpticalandCoaxialselectionwhilsttheMUXatlocationsIC202AIC202BandIC205Aswitchb

10、etweenSPDIF(optorcoax)andUSBorKLEERundercontrolfrommainmicro.SPDIFinputTheWolfsonWM8805SPDIFreceiversuppliesdatainaformatofData,LRCLK,BCLKandMLCK,theoutputofIC201runsdirectlytotheDACviatheMUXatlocationIC202AwithexceptionoftheMCLKthistakeapaththruIC203aspartoftheMCLKMUXbetweenUSB/KLEERandSPDIFMCLKs.U

11、SBinputTheUSBdataarrivesatCON100beforetravelingtotheUSBstreamingcontrolchipatlocationIC103viatheESDprotectionChipatlocationIC101thechipisloadedwiththeDCSasynchronous/isochronousinputsystemfromIC100atbootup.IC103hasitownMCLKsourceatlocationIC204anotherWM8805thistimeusedasanadaptiveclocksourcetheoutpu

12、tisbufferedbyIC203CTheData,LRCLK,BCLKareswitchedtotheDACviaIC202BwiththeMCLKcomingviaIC203.DACandAudioStagescircuitpage4TheWolfson8741DACcanbefoundatlocationIC301andtakesitssuppliesfrom3V3Dand5VDAC,dataentersthechiponpins15andshouldbeseenasbelow.AnalogueaudioleavestheDACasbalancedpairsonpins16/17(le

13、ft)and12/13(right)audiothentravelsthruandfilternetworkenterstheOpampatlocationIC300a/b(L/R)andthenontoIC302a/b(L/R)outputmutingistwofoldwithbothDACmute(transistormute)andfullmute(relay)theDACmuteisprovidedbytransistorsTR302andTR305switchingtheaudiodownto0vthisunderthecontroloftheDACMUTElinefromIC107

14、,therelaymuteisprovidedbyRLY300andtriggeredfrom2linesonebeingthepowerdetectsourcedfromD400atpowerInunderlowpowertherelaywillcloseat5.3vD.CandisflippedbyIC105incombinationwithIC104theoutputofIC104islowtomutetherelayisswitchedbyTR300.PinlocSignaltypePin1LRCKPin2SDATAPin3BCKPin5MCLKISSUEDRAWING NO.DRAW

15、ING TITLEDATEFilename:ECO No.DESCRIPTION OF CHANGEL198_top_level.SchDocrDAC Top LevelContact Engineer:L198CT22/09/2010INITIALSPrinted:15SheetofNotes:Contact Tel:(01223) 203207 tel NoPeter KuellA & R Cambridge Ltd.Pembroke AvenueCambridge CB25 9QRWaterbeachA3ARCAMUSB_BCKUSB_LRCKUSB_SDATA/MUTE_RLYSDAS

16、CL/RESETDAC_MUTEENABLE_KLEER*SPDIF_INTUSB_MCLKUC_PROGRAM_MODESERIAL_KLEER_TO_UCSERIAL_UC_TO_KLEERENABLE_SPDIF*ENABLE_USB*USB & MicrocontrollerL198_CT1_Micro.SchDocDAC_MCLKUSB_BCKUSB_LRCKUSB_SDATADAC_BCKDAC_LRCKDAC_SDATASDASCL/RESETSPDIF_INTUSB_MCLKENABLE_KLEER*UC_PROGRAM_MODESERIAL_KLEER_TO_UCSERIAL

17、_UC_TO_KLEERENABLE_SPDIF*ENABLE_USB*SPDIF, Wireless, clocks, I2S muxL198_CT2_SPDIF.SchDocDAC_BCKDAC_LRCKDAC_SDATADAC_MCLK/MUTE_RLYSDASCLDAC_MUTEDAC and audio outputL198_CT3_DAC.SchDocU_L198_CT4_PSUL198_CT4_PSU.SchDocUSB_SDATAUSB_LRCKUSB_BCKUSB_MCLKSPDIF_INT/RESETSDASCLDAC_MUTE/MUTE_RLYDAC_SDATADAC_L

18、RCKDAC_BCKDAC_MCLKUC_PROGRAM_MODESERIAL_KLEER_TO_UCSERIAL_UC_TO_KLEERENABLE_SPDIF*ENABLE_USB*ENABLE_KLEER*PK12/04/10None to this sheet1.010_E066PG08/09/10Change X200 to 12MHz1.110_E122PK14/09/10EMC changes from Telnova2.010_ExxxISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No.DESCRIPTION OF CHANGEL1

19、98_CT1_Micro.SchDocrDAC USB & MicroContact Engineer:L198CT22/09/2010INITIALSPrinted:25SheetofNotes:Contact Tel:(01223) 203207Peter KuellA & R Cambridge Ltd.Pembroke AvenueCambridge CB25 9QRWaterbeachA2ARCAMMRESET*9CSYNC35DM7DP6AVDD2AVSS45MCLKO139SCL44MCLKI3CRESET*34CSCLK37CSCHNE32CDATO38P1.023CDATI3

20、6EXTEN11DVSS4DVDD8PUR5PLLFILI48DVDD21DVDD33DVSS16DVSS28MCLKO240P1.124P1.225P1.326P1.427P1.529P1.630P1.731P3.013P3.114P3.215P3.317P3.418P3.519PLLFILO1RESET*41RSTO*12SDA43TEST10VREN*42XTALI47XTALO46IC103TAS1020BGND2D11+3V35D46D23D34IC101USBUF01W6DGNDDGNDDGNDUSB_D+USB_D-D+D-50VC10022P50VC10122PDGND0W06

21、3R1123K050VC102100P50VC1031N0+3V3B+3V3AL198BSWE01E12E23SDA5SCL6WC*7IC100AM24C64-WDW6TPDGNDGND4VCC8IC100BM24C64-WDW6TP16VC112100NDGND+3V316VC110100N6.3VC1091UF6.3VC10410UF16VC105100N16VC106100N16VC107100N16VC108100N0W063R1160R00W063R1180R0DGNDDGND+3V3+3V3B+3V3ATAS1020B Decoupling12SW101SDTA-620-NDGND

22、+3V3PROGPROGDGND_LSOURCE0W063R10210K+3V3SOURCEUSB_VCCMUTE_RLY_MCUSB_BCKUSB_LRCKUSB_SDATA/MUTE_RLY0W063R1002K00W063R1012K0+3V3SDASCLDGND0W063R10547R0W063R10647R0W063R10747R0W063R10310KI2C address = 1010 000 xREDLED101SMREDLED103SMREDLED105SM0W063R108330R0W063R110330R0W063R113330R16VC111100N+3V3DGND0W

23、063R122100K/RESET/RESET/RESET+5V_LDGNDDC_INMUTE_RLY_MC/MUTE_RLY WILL ONLY STAY HIGH (RELAY UNMUTED) IF DC_IN = 5.3V AND MUTE_RLY_MC IS LOWLOW TO MUTEDGNDTR100BC846B0W063R11722K+3V30W063R11510KVDD5RST1GND2IN4MR3IC105MIC2774N-29YM5+3V30W063R12156K0W063R119910K0W063R12030KDGNDVtrip set at nominal 5.3V1

24、2345667068CON100MolexDAC_MUTEDAC_MUTE1234567891052793CON102MOLEX1234567891052793CON101MOLEX+5VDGNDSOURCE_LDGND_L+5V_LLED/switch snap off0W063R114120R+5V_LP100P101P104P103P111P107P109P125P134P138P142P143P145P150P105P106P108P135P137P141P147P148P144P146P1490W063R12310K16VC114100NDGND+3V30W063R124100K+3

25、V3QTYDESCRIPTIONPART No.NOTESITEMBlank PCB rDACL198PBPCB1001switch to reprogram USB s/wUSB_UPDATEUSB_UPDATEFS0FS1FS2FS0FS1FS2USB_MUTEUSB_MUTESERIAL_USB_TO_UCSERIAL_UC_TO_USBSERIAL_USB_TO_UCSERIAL_UC_TO_USBRESET_OUTRESERVEDDEVICE_SELECT0DEVICE_SELECT1RESERVEDRESERVEDSCLSDAENABLE_USB*SERIAL_KLEER_TO_U

26、CSERIAL_UC_TO_KLEERDebug UART can be used to program microspareSPDIF_INTSPDIF_INT+3V310VC11510uF16VC116100N16VC117100N16VC118100N16VC119100NDGND6.3VC1231UF6.3VC1241UF16VC120100N16VC121100N16VC122100N50VC1251N0DGNDDGNDVDD1V8DGNDR13047K+3V3R12947KR13147KTDITMSTCKTDONRSTR13247KDEBUG CONN12M20-973CON104

27、HARWIN+3V316VC126100N+3V3DGNDDGND50VC12910N50VC1271N0R1341K5DGNDMicro power & configNote that PLL filter components need to be calculated according to application using the spreadsheet provided by AtmelSee Atmet apps note for placement of decoupling capsR13347KR1281K0P112P102P116P119P151P140P122P126

28、P129P132P139P152Micro I/OUSB AUDIOLEDS & SwitchesMutingSystem reset0W063R1262K00W063R1272K0+3V3USB_MCLKDGNDR1350R0E01E12E23SDA5SCL6WC*7IC108AM24C01-WDW6TPDGNDEEPROMSCLSDA16VC131100NDGND+3V3X1014MHz50VC13322PNF50VC13222PNFAccording to Atmel data sheet, internal load capacitance of IC is sufficient, n

29、o need for additional load capacitorsDGNDUC_PROGRAM_MODETR101MMUN2111LT1LED0LED1LED2A01A12A23E14E25E36Y015Y114Y213Y312Y411Y510Y69Y77IC102A74HCT138DGND_L+5V_LCOAXOPTICALUSBWIRELESS+5V_LTR102MMUN2111LT1+5V_LTR103MMUN2111LT1+5V_LTR104MMUN2111LT1+5V_LTR105MMUN2111LT1+5V_LTR106MMUN2111LT1+5V_LTR107MMUN21

30、11LT1+5V_LTR108MMUN2111LT1DGND_LREDLED107SM0W063R136330RNFOption for wireless LED to be used as power LEDENABLE_LEDS*VCC16GND8IC102B74HCT138DGND_L+5V_L16VC113100NENABLE_USB*LED0LED1LED2ENABLE_LEDS*ENABLE_KLEER*ENABLE_KLEER*ENABLE_SPDIF*ENABLE_SPDIF*SERIAL_KLEER_TO_UCSERIAL_UC_TO_KLEERSOURCE_LL198ASW

31、AD43AD54AD65AD76PA20/AD312PA19/PGMD7/AD211PA18/PGMD6/AD110PA17/PGMD5/AD09PA0/PGMEN036PA1/PGMEN135PA2/PGMEN232PA331PA4/PGMNCMD28PA5/PGMRDY27PA6/PGMNOE26PA7/PGMNVALID24PA8/PGMM023PA9/PGMM122PA10/PGMM221PA11/PGMM320PA12/PGMD019PA13/PGMD117PA14/PGMD216PA15/PGMD315PA16/PGMD414IC107AAT91SAM7S32L198ASWVDDI

32、N7VDDOUT8VDDIO13VDDCORE18VDDIO33VDDCORE41VDDFLASH43VDDPLL48GND2GND34TDI25TDO37TCK40TMS39JTAGSEL38XIN/PGMCK46PLLRC47XOUT45NRST29TST30ERASE42GND44ADVREF1IC107BAT91SAM7S32124IC104A74LVC1G08DBVGND3VCC5IC104B74LVC1G08DBV1234567891011121314151617181920M20-972CON103HARWIN1FIX100Dia 3.2mm1FIX101Dia 3.2mm1FI

33、X102Dia 3.2mmP110P113P114P117P120P123P131P115P118P121P124P127P128P130P133P136P153P154P155P156P157P158P159P160P161P163P162P164P165P166P167P168P169P170P171P172P173P179P174P175P176P177P178P180P181P184P182P183P185GND4VCC8IC108BM24C01-WDW6TPX1006MHz12SW100TSY66HCJPK12/04/10Green LEDs and drive resistors

34、changed1.010_E066VCCRSTGNDIC106LM809M3-2.93GREENLED1001206GREENLED1021206GREENLED1041206GREENLED10612060W063R104130R0W063R109130R0W063R111130R0W063R125130RPG08/09/10Change X200 to 12MHz1.110_E122PK14/09/10EMC changes from Telnova2.010_E13150VC13015PDGND16VC128100NUSB_VCCDGND50VC13510P50VC13410PDGND_

35、LDGND_LDGND_L0W063R13733R0W063R13833RDGNDDGNDP0C10001 P0C10002 P0C10101 P0C10102 P0C10201 P0C10202 P0C10301 P0C10302 P0C10401 P0C10402 P0C10501 P0C10502 P0C10601 P0C10602 P0C10701 P0C10702 P0C10801 P0C10802 P0C10901 P0C10902 P0C11001 P0C11002 P0C11101 P0C11102 P0C11201 P0C11202 P0C11301 P0C11302 P0C

36、11401 P0C11402 P0C11501 P0C11502 P0C11601 P0C11602 P0C11701 P0C11702 P0C11801 P0C11802 P0C11901 P0C11902 P0C12001 P0C12002 P0C12101 P0C12102 P0C12201 P0C12202 P0C12301 P0C12302 P0C12401 P0C12402 P0C12501 P0C12502 P0C12601 P0C12602 P0C12701 P0C12702 P0C12801 P0C12802 P0C12901 P0C12902 P0C13001 P0C130

37、02 P0C13101 P0C13102 P0C13201 P0C13202 P0C13301 P0C13302 P0C13401 P0C13402 P0C13501 P0C13502 P0CON10001 P0CON10002 P0CON10003 P0CON10004 P0CON10005 P0CON10006 P0CON10101 P0CON10102 P0CON10103 P0CON10104 P0CON10105 P0CON10106 P0CON10107 P0CON10108 P0CON10109 P0CON101010 P0CON10201 P0CON10202 P0CON102

38、03 P0CON10204 P0CON10205 P0CON10206 P0CON10207 P0CON10208 P0CON10209 P0CON102010 P0CON10301 P0CON10302 P0CON10303 P0CON10304 P0CON10305 P0CON10306 P0CON10307 P0CON10308 P0CON10309 P0CON103010 P0CON103011 P0CON103012 P0CON103013 P0CON103014 P0CON103015 P0CON103016 P0CON103017 P0CON103018 P0CON103019

39、P0CON103020 P0CON10401 P0CON10402 P0FIX10001 P0FIX10101 P0FIX10201 P0IC100A01 P0IC100A02 P0IC100A03 P0IC100A05 P0IC100A06 P0IC100A07 P0IC100B04 P0IC100B08 P0IC10101 P0IC10102 P0IC10103 P0IC10104 P0IC10105 P0IC10106 P0IC102A01 P0IC102A02 P0IC102A03 P0IC102A04 P0IC102A05 P0IC102A06 P0IC102A07 P0IC102A

40、09 P0IC102A010 P0IC102A011 P0IC102A012 P0IC102A013 P0IC102A014 P0IC102A015 P0IC102B08 P0IC102B016 P0IC10301 P0IC10302 P0IC10303 P0IC10304 P0IC10305 P0IC10306 P0IC10307 P0IC10308 P0IC10309 P0IC103010 P0IC103011 P0IC103012 P0IC103013 P0IC103014 P0IC103015 P0IC103016 P0IC103017 P0IC103018 P0IC103019 P0

41、IC103021 P0IC103023 P0IC103024 P0IC103025 P0IC103026 P0IC103027 P0IC103028 P0IC103029 P0IC103030 P0IC103031 P0IC103032 P0IC103033 P0IC103034 P0IC103035 P0IC103036 P0IC103037 P0IC103038 P0IC103039 P0IC103040 P0IC103041 P0IC103042 P0IC103043 P0IC103044 P0IC103045 P0IC103046 P0IC103047 P0IC103048 P0IC1

42、04A01 P0IC104A02 P0IC104A04 P0IC104B03 P0IC104B05 P0IC10501 P0IC10502 P0IC10503 P0IC10504 P0IC10505 P0IC1060GND P0IC1060RST* P0IC1060VCC P0IC107A03 P0IC107A04 P0IC107A05 P0IC107A06 P0IC107A09 P0IC107A010 P0IC107A011 P0IC107A012 P0IC107A014 P0IC107A015 P0IC107A016 P0IC107A017 P0IC107A019 P0IC107A020

43、P0IC107A021 P0IC107A022 P0IC107A023 P0IC107A024 P0IC107A026 P0IC107A027 P0IC107A028 P0IC107A031 P0IC107A032 P0IC107A035 P0IC107A036 P0IC107B01 P0IC107B02 P0IC107B07 P0IC107B08 P0IC107B013 P0IC107B018 P0IC107B025 P0IC107B029 P0IC107B030 P0IC107B033 P0IC107B034 P0IC107B037 P0IC107B038 P0IC107B039 P0IC

44、107B040 P0IC107B041 P0IC107B042 P0IC107B043 P0IC107B044 P0IC107B045 P0IC107B046 P0IC107B047 P0IC107B048 P0IC108A01 P0IC108A02 P0IC108A03 P0IC108A05 P0IC108A06 P0IC108A07 P0IC108B04 P0IC108B08 P0LED1000A P0LED1000K P0LED1010A P0LED1010K P0LED1020A P0LED1020K P0LED1030A P0LED1030K P0LED1040A P0LED1040

45、K P0LED1050A P0LED1050K P0LED1060A P0LED1060K P0LED1070A P0LED1070K P0P1000TP P0P1010TP P0P1020TP P0P1030TP P0P1040TP P0P1050TP P0P1060TP P0P1070TP P0P1080TP P0P1090TP P0P1100TP P0P1110TP P0P1120TP P0P1130TP P0P1140TP P0P1150TP P0P1160TP P0P1170TP P0P1180TP P0P1190TP P0P1200TP P0P1210TP P0P1220TP P0

46、P1230TP P0P1240TP P0P1250TP P0P1260TP P0P1270TP P0P1280TP P0P1290TP P0P1300TP P0P1310TP P0P1320TP P0P1330TP P0P1340TP P0P1350TP P0P1360TP P0P1370TP P0P1380TP P0P1390TP P0P1400TP P0P1410TP P0P1420TP P0P1430TP P0P1440TP P0P1450TP P0P1460TP P0P1470TP P0P1480TP P0P1490TP P0P1500TP P0P1510TP P0P1520TP P0

47、P1530TP P0P1540TP P0P1550TP P0P1560TP P0P1570TP P0P1580TP P0P1590TP P0P1600TP P0P1610TP P0P1620TP P0P1630TP P0P1640TP P0P1650TP P0P1660TP P0P1670TP P0P1680TP P0P1690TP P0P1700TP P0P1710TP P0P1720TP P0P1730TP P0P1740TP P0P1750TP P0P1760TP P0P1770TP P0P1780TP P0P1790TP P0P1800TP P0P1810TP P0P1820TP P0

48、P1830TP P0P1840TP P0P1850TP P0R10001 P0R10002 P0R10101 P0R10102 P0R10201 P0R10202 P0R10301 P0R10302 P0R10401 P0R10402 P0R10501 P0R10502 P0R10601 P0R10602 P0R10701 P0R10702 P0R10801 P0R10802 P0R10901 P0R10902 P0R11001 P0R11002 P0R11101 P0R11102 P0R11201 P0R11202 P0R11301 P0R11302 P0R11401 P0R11402 P0

49、R11501 P0R11502 P0R11601 P0R11602 P0R11701 P0R11702 P0R11801 P0R11802 P0R11901 P0R11902 P0R12001 P0R12002 P0R12101 P0R12102 P0R12201 P0R12202 P0R12301 P0R12302 P0R12401 P0R12402 P0R12501 P0R12502 P0R12601 P0R12602 P0R12701 P0R12702 P0R12801 P0R12802 P0R12901 P0R12902 P0R13001 P0R13002 P0R13101 P0R13

50、102 P0R13201 P0R13202 P0R13301 P0R13302 P0R13401 P0R13402 P0R13501 P0R13502 P0R13601 P0R13602 P0R13701 P0R13702 P0R13801 P0R13802 P0SW10001 P0SW10002 P0SW10101 P0SW10102 P0SW1010SCR P0TR1000B P0TR1000C P0TR1000E P0TR1010B P0TR1010C P0TR1010E P0TR1020B P0TR1020C P0TR1020E P0TR1030B P0TR1030C P0TR1030