Arcam-rDac-dac-sm 电路图 维修手册.pdf

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1、ArcamrDacServicemanual AndyMooreissue1 RadioFans.CN 收音机爱 好者资料库 Overview TherDacisaDtoAconvertorfeaturingOptical/CoaxialandUSBinputsandutilizesasimple pushbuttontocyclebetweentheinputoptionwhenlockedontodatatheLEDinfrontofthe relevantsourcewilllightGreenandaudioshouldbepresentiftheLEDisREDincolorthei

2、nput isnotlockedontorelevantdata. Compatibleformatsinclude. AllPCM2channel Input/bitdepth32kHz44.1kHz48kHz88.2kHz96kHz176kHz192kHz USB16&24BitYesYesYesYesYesNoNo Optical16&24BitYesYesNoNoNoNoNo Coaxial16&24BitYesYesYesYesYesYes(1)Yes(1) Wireless16BitNoYesNoNoNoNoNo (1) Sourcemaynotbecapableofresolut

3、ion Powersupplycircuitpage5 Aexternal6v600maD.CpowersupplyisusedtosupplytherequiredpowertotheConnector atlocationCON400thisisthenswitchedbytherearpanelmountedpowerswitchatlocation SW400,D400isusedforPSUmonitorbyassociatedcircuitryformedbyIC105andIC104,D401 isusedtopreventreversebiasofthePSU,thesuppl

4、yisthenfilteredbythenetworkofL400 andC400toformthemainPSUsourceof+6vD.C. TherDacfeatures7separateregulatedpowerssuppliesdetailsappearinthetablebelow Regulator locations Voltage(d.c)Componentsassociated REG400+5vKleeroption,opticalinputrec,LEDarrayviaIC102 REG401+3V3IC100,103,104,108,107,200,201,202,

5、203,204,205,206,301 mutecircuit REG402+3VSPDIFreceiver REG403+5vOutputstage+5v REG404+3v3Oscillator REG405+5vDAC IC4005vOutputstage5v IC107+1.8Mainmicrocorevoltage RadioFans.CN 收音机爱 好者资料库 Mainmicrocircuitpage2 ThemainmicroatlocationIC107(onthediagramthisissplitintotwoareathesearemicro powerandconfig

6、+MicroI/O)wewilldealwithMicropowerandconfig1st. Micropowerandconfig TwoseparatepowersuppliesarerequiredbytheAT91SAMthesearetakenfrom3V3and1V8 fortheprocessorcorethemicroisprogrammedwithbespokeArcamcodetheoscillatorfor themicroisatX101andrunsat4MHztheTDITDOTCKTMSERASENRSTpinsarefor developmentDebugus

7、eandtheconnecteratlocationCON103isnotfittedtoproductionitems MicroI/O Pindescriptions PinnameDescription SPDIFINTInterruptflagfromtheSPDIFreceiver SourceTosourceselectTACTswitch MuteRLYControlofmuterelayviaTR100 DACMUTEDACMUTEsignaltoPin25ofWolfsonDACatlocationIC301 ENABLEKLEERToMUXatlocationIC205A

8、ENABLESPDIFToMUXatlocationIC202A SERIALUCtoKLEER SerialcontroltoKLEERwirelessoption SERIALKLEERtoUC SerialdatafromKLEERtoUC SCLToEEpromatlocationIC108/DACatlocationIC301/USBreceiverat IC103 SDAToEEpromatlocationIC108/DACatlocationIC301/USBreceiverat IC103 EnableLEDSLEDsoncontrol LED0BinaryselectforL

9、EDcontrolvia38linedecoderatlocationIC102 LED1BinaryselectforLEDcontrolvia38linedecoderatlocationIC102 LED3BinaryselectforLEDcontrolvia38linedecoderatlocationIC102 RadioFans.CN 收音机爱 好者资料库 InputStagesandswitchingCircuitpages2and3 TheinputsaresplitintotwogroupswiththeWolfsonSPDIFreceiveratlocationIC201

10、dealing withOpticalandCoaxialselectionwhilsttheMUXatlocationsIC202AIC202BandIC205A switchbetweenSPDIF(optorcoax)andUSBorKLEERundercontrolfrommainmicro. SPDIFinput TheWolfsonWM8805SPDIFreceiversuppliesdatainaformatofData,LRCLK,BCLKandMLCK, theoutputofIC201runsdirectlytotheDACviatheMUXatlocationIC202A

11、withexceptionof theMCLKthistakeapaththruIC203aspartoftheMCLKMUXbetweenUSB/KLEERandSPDIF MCLKs. USBinput TheUSBdataarrivesatCON100beforetravelingtotheUSBstreamingcontrolchipatlocation IC103viatheESDprotectionChipatlocationIC101thechipisloadedwiththeDCS asynchronous/isochronousinputsystemfromIC100atbo

12、otup. IC103hasitownMCLKsourceatlocationIC204anotherWM8805thistimeusedasanadaptive clocksourcetheoutputisbufferedbyIC203C TheData,LRCLK,BCLKareswitchedtotheDACviaIC202BwiththeMCLKcomingviaIC203. DACandAudioStagescircuitpage4 TheWolfson8741DACcanbefoundatlocationIC301andtakesitssuppliesfrom3V3Dand 5VD

13、AC,dataentersthechiponpins15andshouldbeseenasbelow. AnalogueaudioleavestheDACasbalancedpairsonpins16/17(left)and12/13(right)audio thentravelsthruandfilternetworkenterstheOpampatlocationIC300a/b(L/R)andthen ontoIC302a/b(L/R)outputmutingistwofoldwithbothDACmute(transistormute)andfull mute(relay)theDAC

14、muteisprovidedbytransistorsTR302andTR305switchingtheaudio downto0vthisunderthecontroloftheDACMUTElinefromIC107,therelaymuteisprovided byRLY300andtriggeredfrom2linesonebeingthepowerdetectsourcedfromD400atpower Inunderlowpowertherelaywillcloseat5.3vD.CandisflippedbyIC105incombinationwith IC104theoutpu

15、tofIC104islowtomutetherelayisswitchedbyTR300. PinlocSignaltype Pin1LRCK Pin2SDATA Pin3BCK Pin5MCLK ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L198_top_level.SchDoc rDAC Top Level Contact Engineer: L198CT 22/09/2010 INITIALS Printed:15Sheetof Notes: Contact Tel:(01223

16、) 203207 tel NoPeter Kuell A & R Cambridge Ltd. Pembroke Avenue Cambridge CB25 9QR Waterbeach A3 ARCAM USB_BCK USB_LRCK USB_SDATA /MUTE_RLY SDA SCL /RESET DAC_MUTE ENABLE_KLEER* SPDIF_INT USB_MCLK UC_PROGRAM_MODE SERIAL_KLEER_TO_UC SERIAL_UC_TO_KLEER ENABLE_SPDIF* ENABLE_USB* USB & Microcontroller L

17、198_CT1_Micro.SchDoc DAC_MCLK USB_BCK USB_LRCK USB_SDATA DAC_BCK DAC_LRCK DAC_SDATA SDA SCL /RESET SPDIF_INT USB_MCLK ENABLE_KLEER* UC_PROGRAM_MODE SERIAL_KLEER_TO_UC SERIAL_UC_TO_KLEER ENABLE_SPDIF* ENABLE_USB* SPDIF, Wireless, clocks, I2S mux L198_CT2_SPDIF.SchDoc DAC_BCK DAC_LRCK DAC_SDATA DAC_MC

18、LK /MUTE_RLY SDA SCL DAC_MUTE DAC and audio output L198_CT3_DAC.SchDoc U_L198_CT4_PSU L198_CT4_PSU.SchDoc USB_SDATA USB_LRCK USB_BCK USB_MCLK SPDIF_INT /RESET SDA SCL DAC_MUTE /MUTE_RLY DAC_SDATA DAC_LRCK DAC_BCK DAC_MCLK UC_PROGRAM_MODE SERIAL_KLEER_TO_UC SERIAL_UC_TO_KLEER ENABLE_SPDIF* ENABLE_USB

19、* ENABLE_KLEER* PK12/04/10None to this sheet1.010_E066 PG08/09/10Change X200 to 12MHz1.110_E122 PK14/09/10EMC changes from Telnova2.010_Exxx ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L198_CT1_Micro.SchDoc rDAC USB & Micro Contact Engineer: L198CT 22/09/2010 INITIALS

20、 Printed:25Sheetof Notes: Contact Tel:(01223) 203207Peter Kuell A & R Cambridge Ltd. Pembroke Avenue Cambridge CB25 9QR Waterbeach A2 ARCAM MRESET* 9 CSYNC 35 DM 7 DP 6 AVDD 2 AVSS 45 MCLKO1 39 SCL 44 MCLKI 3 CRESET* 34 CSCLK 37 CSCHNE 32 CDATO 38 P1.0 23 CDATI 36 EXTEN 11 DVSS 4 DVDD 8 PUR 5 PLLFIL

21、I 48 DVDD 21 DVDD 33 DVSS 16 DVSS 28 MCLKO2 40 P1.1 24 P1.2 25 P1.3 26 P1.4 27 P1.5 29 P1.6 30 P1.7 31 P3.0 13 P3.1 14 P3.2 15 P3.3 17 P3.4 18 P3.5 19 PLLFILO 1 RESET* 41 RSTO* 12 SDA 43 TEST 10 VREN* 42 XTALI 47 XTALO 46 IC103 TAS1020B GND 2 D1 1 +3V3 5 D4 6 D2 3 D3 4 IC101 USBUF01W6 DGND DGND DGND

22、 USB_D+ USB_D- D+ D- 50V C100 22P 50V C101 22P DGND 0W063 R112 3K0 50V C102 100P 50V C103 1N0 +3V3B+3V3A L198BSW E0 1 E1 2 E2 3 SDA 5 SCL 6 WC* 7 IC100A M24C64-WDW6TP DGND GND 4 VCC 8 IC100B M24C64-WDW6TP 16V C112 100N DGND +3V3 16V C110 100N 6.3V C109 1UF 6.3V C104 10UF 16V C105 100N 16V C106 100N

23、16V C107 100N 16V C108 100N 0W063 R116 0R0 0W063 R118 0R0 DGND DGND +3V3+3V3B +3V3A TAS1020B Decoupling 1 2 SW101 SDTA-620-N DGND +3V3 PROG PROG DGND_L SOURCE 0W063 R102 10K +3V3 SOURCE USB_VCC MUTE_RLY_MC USB_BCK USB_LRCK USB_SDATA /MUTE_RLY 0W063 R100 2K0 0W063 R101 2K0 +3V3 SDA SCL DGND 0W063 R10

24、5 47R 0W063 R106 47R 0W063 R107 47R 0W063 R103 10K I2C address = 1010 000 x RED LED101 SM RED LED103 SM RED LED105 SM 0W063 R108 330R 0W063 R110 330R 0W063 R113 330R 16V C111 100N +3V3 DGND 0W063 R122 100K /RESET /RESET /RESET +5V_L DGND DC_IN MUTE_RLY_MC /MUTE_RLY WILL ONLY STAY HIGH (RELAY UNMUTED

25、) IF DC_IN = 5.3V AND MUTE_RLY_MC IS LOW LOW TO MUTE DGND TR100 BC846B 0W063 R117 22K +3V3 0W063 R115 10K VDD 5 RST 1 GND 2 IN 4 MR 3 IC105 MIC2774N-29YM5 +3V3 0W063 R121 56K 0W063 R119 910K 0W063 R120 30K DGND Vtrip set at nominal 5.3V 1 23 4 56 67068 CON100 Molex DAC_MUTE DAC_MUTE 1 2 3 4 5 6 7 8

26、9 10 52793 CON102 MOLEX 1 2 3 4 5 6 7 8 9 10 52793 CON101 MOLEX +5V DGND SOURCE_L DGND_L +5V_L LED/switch snap off 0W063 R114 120R +5V_L P100 P101 P104 P103 P111 P107 P109 P125 P134 P138 P142 P143 P145 P150 P105 P106 P108 P135 P137 P141 P147 P148 P144 P146 P149 0W063 R123 10K 16V C114 100N DGND +3V3

27、 0W063 R124 100K +3V3 QTYDESCRIPTIONPART No.NOTESITEM Blank PCB rDACL198PBPCB1001 switch to reprogram USB s/w USB_UPDATE USB_UPDATE FS0 FS1 FS2 FS0 FS1 FS2 USB_MUTE USB_MUTE SERIAL_USB_TO_UC SERIAL_UC_TO_USB SERIAL_USB_TO_UC SERIAL_UC_TO_USB RESET_OUT RESERVED DEVICE_SELECT0 DEVICE_SELECT1 RESERVED

28、RESERVED SCL SDA ENABLE_USB* SERIAL_KLEER_TO_UC SERIAL_UC_TO_KLEER Debug UART can be used to program micro spare SPDIF_INT SPDIF_INT +3V3 10V C115 10uF 16V C116 100N 16V C117 100N 16V C118 100N 16V C119 100N DGND 6.3V C123 1UF 6.3V C124 1UF 16V C120 100N 16V C121 100N 16V C122 100N 50V C125 1N0 DGND

29、 DGND VDD1V8 DGND R130 47K +3V3 R129 47K R131 47K TDI TMS TCK TDO NRST R132 47K DEBUG CONN 1 2 M20-973 CON104 HARWIN +3V3 16V C126 100N +3V3 DGND DGND 50V C129 10N 50V C127 1N0 R134 1K5 DGND Micro power & config Note that PLL filter components need to be calculated according to application using the

30、 spreadsheet provided by Atmel See Atmet apps note for placement of decoupling caps R133 47K R128 1K0 P112 P102 P116 P119 P151 P140 P122 P126 P129 P132 P139 P152 Micro I/O USB AUDIO LEDS & Switches Muting System reset 0W063 R126 2K0 0W063 R127 2K0 +3V3 USB_MCLK DGND R135 0R0 E0 1 E1 2 E2 3 SDA 5 SCL

31、 6 WC* 7 IC108A M24C01-WDW6TP DGND EEPROM SCL SDA 16V C131 100N DGND +3V3 X101 4MHz 50V C133 22P NF 50V C132 22P NF According to Atmel data sheet, internal load capacitance of IC is sufficient, no need for additional load capacitors DGND UC_PROGRAM_MODE TR101 MMUN2111LT1 LED0 LED1 LED2 A0 1 A1 2 A2

32、3 E1 4 E2 5 E3 6 Y0 15 Y1 14 Y2 13 Y3 12 Y4 11 Y5 10 Y6 9 Y7 7 IC102A 74HCT138 DGND_L +5V_L COAXOPTICALUSBWIRELESS +5V_L TR102 MMUN2111LT1 +5V_L TR103 MMUN2111LT1 +5V_L TR104 MMUN2111LT1 +5V_L TR105 MMUN2111LT1 +5V_L TR106 MMUN2111LT1 +5V_L TR107 MMUN2111LT1 +5V_L TR108 MMUN2111LT1 DGND_L RED LED107

33、 SM 0W063 R136 330R NF Option for wireless LED to be used as power LED ENABLE_LEDS* VCC 16 GND 8 IC102B 74HCT138 DGND_L +5V_L 16V C113 100N ENABLE_USB* LED0 LED1 LED2 ENABLE_LEDS* ENABLE_KLEER* ENABLE_KLEER* ENABLE_SPDIF* ENABLE_SPDIF* SERIAL_KLEER_TO_UC SERIAL_UC_TO_KLEER SOURCE_L L198ASW AD4 3 AD5

34、 4 AD6 5 AD7 6 PA20/AD3 12 PA19/PGMD7/AD2 11 PA18/PGMD6/AD1 10 PA17/PGMD5/AD0 9 PA0/PGMEN0 36 PA1/PGMEN1 35 PA2/PGMEN2 32 PA3 31 PA4/PGMNCMD 28 PA5/PGMRDY 27 PA6/PGMNOE 26 PA7/PGMNVALID 24 PA8/PGMM0 23 PA9/PGMM1 22 PA10/PGMM2 21 PA11/PGMM3 20 PA12/PGMD0 19 PA13/PGMD1 17 PA14/PGMD2 16 PA15/PGMD3 15 P

35、A16/PGMD4 14 IC107A AT91SAM7S32 L198ASW VDDIN 7 VDDOUT 8 VDDIO 13 VDDCORE 18 VDDIO 33 VDDCORE 41 VDDFLASH 43 VDDPLL 48 GND 2 GND 34 TDI 25 TDO 37 TCK 40 TMS 39 JTAGSEL 38 XIN/PGMCK 46 PLLRC 47 XOUT 45 NRST 29 TST 30 ERASE 42 GND 44 ADVREF 1 IC107B AT91SAM7S32 1 2 4 IC104A 74LVC1G08DBV GND 3 VCC 5 IC

36、104B 74LVC1G08DBV 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 M20-972 CON103 HARWIN 1 FIX100 Dia 3.2mm 1 FIX101 Dia 3.2mm 1 FIX102 Dia 3.2mm P110 P113 P114 P117 P120 P123 P131 P115 P118 P121 P124 P127 P128 P130 P133 P136P153P154P155P156P157P158 P159 P160 P161 P163 P162 P164 P165 P166P167P168P

37、169P170P171P172P173 P179 P174 P175 P176 P177 P178 P180 P181 P184 P182 P183 P185 GND 4 VCC 8 IC108B M24C01-WDW6TP X100 6MHz 1 2 SW100 TSY66HCJ PK12/04/10Green LEDs and drive resistors changed1.010_E066 VCC RST GND IC106 LM809M3-2.93 GREEN LED100 1206 GREEN LED102 1206 GREEN LED104 1206 GREEN LED106 1

38、206 0W063 R104 130R 0W063 R109 130R 0W063 R111 130R 0W063 R125 130R PG08/09/10Change X200 to 12MHz1.110_E122 PK14/09/10EMC changes from Telnova2.010_E131 50V C130 15P DGND 16V C128 100N USB_VCC DGND 50V C135 10P 50V C134 10P DGND_LDGND_LDGND_L 0W063 R137 33R 0W063 R138 33R DGND DGND P0C10001 P0C1000

39、2 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 P0C11401 P0C11402 P0C11501 P0C11502 P0C11601 P0C11602 P0C11701 P

40、0C11702 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 P0C13002 P0C13101 P0C13102 P0C13201 P0C13202 P0C13301 P0C13302 P0C1

41、3401 P0C13402 P0C13501 P0C13502 P0CON10001 P0CON10002 P0CON10003 P0CON10004 P0CON10005 P0CON10006 P0CON10101 P0CON10102 P0CON10103 P0CON10104 P0CON10105 P0CON10106 P0CON10107 P0CON10108 P0CON10109 P0CON101010 P0CON10201 P0CON10202 P0CON10203 P0CON10204 P0CON10205 P0CON10206 P0CON10207 P0CON10208 P0C

42、ON10209 P0CON102010 P0CON10301 P0CON10302 P0CON10303 P0CON10304 P0CON10305 P0CON10306 P0CON10307 P0CON10308 P0CON10309 P0CON103010 P0CON103011 P0CON103012 P0CON103013 P0CON103014 P0CON103015 P0CON103016 P0CON103017 P0CON103018 P0CON103019 P0CON103020 P0CON10401 P0CON10402 P0FIX10001 P0FIX10101 P0FIX

43、10201 P0IC100A01 P0IC100A02 P0IC100A03 P0IC100A05 P0IC100A06 P0IC100A07 P0IC100B04 P0IC100B08 P0IC10101 P0IC10102 P0IC10103 P0IC10104 P0IC10105 P0IC10106 P0IC102A01 P0IC102A02 P0IC102A03 P0IC102A04 P0IC102A05 P0IC102A06 P0IC102A07 P0IC102A09 P0IC102A010 P0IC102A011 P0IC102A012 P0IC102A013 P0IC102A01

44、4 P0IC102A015 P0IC102B08 P0IC102B016 P0IC10301 P0IC10302 P0IC10303 P0IC10304 P0IC10305 P0IC10306 P0IC10307 P0IC10308 P0IC10309 P0IC103010 P0IC103011 P0IC103012 P0IC103013 P0IC103014 P0IC103015 P0IC103016 P0IC103017 P0IC103018 P0IC103019 P0IC103021 P0IC103023 P0IC103024 P0IC103025 P0IC103026 P0IC1030

45、27 P0IC103028 P0IC103029 P0IC103030 P0IC103031 P0IC103032 P0IC103033 P0IC103034 P0IC103035 P0IC103036 P0IC103037 P0IC103038 P0IC103039 P0IC103040 P0IC103041 P0IC103042 P0IC103043 P0IC103044 P0IC103045 P0IC103046 P0IC103047 P0IC103048 P0IC104A01 P0IC104A02 P0IC104A04 P0IC104B03 P0IC104B05 P0IC10501 P

46、0IC10502 P0IC10503 P0IC10504 P0IC10505 P0IC1060GND P0IC1060RST* P0IC1060VCC P0IC107A03 P0IC107A04 P0IC107A05 P0IC107A06 P0IC107A09 P0IC107A010 P0IC107A011 P0IC107A012 P0IC107A014 P0IC107A015 P0IC107A016 P0IC107A017 P0IC107A019 P0IC107A020 P0IC107A021 P0IC107A022 P0IC107A023 P0IC107A024 P0IC107A026 P

47、0IC107A027 P0IC107A028 P0IC107A031 P0IC107A032 P0IC107A035 P0IC107A036 P0IC107B01 P0IC107B02 P0IC107B07 P0IC107B08 P0IC107B013 P0IC107B018 P0IC107B025 P0IC107B029 P0IC107B030 P0IC107B033 P0IC107B034 P0IC107B037 P0IC107B038 P0IC107B039 P0IC107B040 P0IC107B041 P0IC107B042 P0IC107B043 P0IC107B044 P0IC1

48、07B045 P0IC107B046 P0IC107B047 P0IC107B048 P0IC108A01 P0IC108A02 P0IC108A03 P0IC108A05 P0IC108A06 P0IC108A07 P0IC108B04 P0IC108B08 P0LED1000A P0LED1000K P0LED1010A P0LED1010K P0LED1020A P0LED1020K P0LED1030A P0LED1030K P0LED1040A P0LED1040K 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 P0P1230TP P0P1240TP P0P1250TP P0P1260TP P0P1270TP P0P1280TP P