Korg POLY-800II_SERVICE_MANUAL电路图.pdf

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1、PROGRAMMABLEPOLYPHONICSYNTHESIZER P0LY-800E SERVICE MANUAL CONTENTS 1.TECHNICALSPECIFICATIONS1 2.MIDIIMPLEMENTATION2 3.STRUCTURALDIAGRAM13 4.BLOCKDIAGRAM16 5.CIRCUITDIAGRAM17 6.P.C.BOARD20 7.CIRCUITDESCRIPTIONS23 8.CHECKANDADJUSTMENT PROCEDURE26 9.PARTSUST29 RadioFans.CN 收音机爱 好者资料库 1TECHNICAL 1.KEY

2、CC49Keys 2.MASTEROSC AfterpowerON Variationafter0-10min.:within5cents Variationafter10min.1hr.:within5cents Temperaturecharacteristics0-40Cwithin10cents 3.MASTER TUNE #MAX+40-70cents bMAX40-70cents 4.DCO OCTAVE:LOW,MID,HIGH WAVEFORM:f16+1/28+1/44+1/82 JT_16+8+4+2 LEVEL:0-3132steps DCO2INTERVAL:0-12h

3、alf-steps13steps DETUNE:0-3 0,6.5,13,26cents4steps 5.VCF 24dB/OCTLPF CUTOFF:0-99half-steps100steps RESONANCE:0-15(Q=0-10)16steps KBDTRACK:0,50,100% POLARITY:/S,W EGINT:0-1516steps CUTOFF-0-10OCT(20%) TRIGGER:SINGLE/MULTI 6.NOISE 0-1516steps 7.EG 0-3132steps 8.MG 0-1516steps 9.DCOMOD BEND:0-730cents(

4、30cents) MG:0-160cents(40cents) MG(JOYSTICK):0-160cents(40cents) 10.VCFMOD MG:0-102/3OCT(10%) MG(JOYSTICK):0-102/3OCT(10%) 11.EQUALIZER TREBLE:-6-0-+6(13STEP)10dB(20%) 3dBPOINT: 2kHz(10%) BASS:-6-0-+6(13STEP)10dB(20%) 3dBPOINT: 300Hz(10%) 12.DIGITALDELAY(DDL) DELAYTIME:0-99(100STEP)4msec-1024msec FE

5、EDBACK:0-15(16STEP)0-100% (untiloscillationceases) MODFREQUENCY:0-31(32STEP)0.1Hz-10Hz (20%) MODINTENSITY:0-31(32STEP)1-5TYP (1=8MAX) EFFECTLEVEL0-15(16STEP)1-1max. Effectsoundproduced 13.SEQUENCER 1note,restortieregardedas1step maximumof1,000steps SPEED:1stepregardedas)T J.25-25020% MODE:ONETIME/RE

6、PEAT 14.TAPEINTERFACE DATATRANSMISSIONSPEED:approx.2,000(bit/sec) OUTPUTLEVEL:4.5mVp-p INPUTLEVEL:HIGH3Vp-p LOW1Vp-p 15.MIDI CHANNEL:!-16CH PROGRAMCHANGE:DISABLE/ENABLE SEQUENCERCLOCK:INT/EXT SOCKET:IN/OUT 16.DIMENSIONS 780(W)x286(P)x87.6(H)mm 17.WEIGHT 4.4kg(includingdry-cellbatteries) 18.ACCESSORI

7、ES Pre-loaddatatape Batteries(UM-2x6) Shieldedcord(2.5mx1) 19.POWERCONSUMPTION 7W(whenusingACadapter) SUM-2X69V330mA10% 20.BATTERYLIFE 3.5hrs.orover(NationalHi-TopSUM-2x6,continuous usage,20C) 21.EXTERNALDCPOWERRANGE +7.0V-+11.0V 22.ENVIRONMENTALCONDITIONS Temperature:0C-40C Humidity:Belowdewpoint 2

8、3.TIMETOSTABLEOPERATIONAFTERPOWERON: 300sec. 24.PERMISSIBLELINENOISEVOLUME (withACadapter) 5min.markedwithoutmalfunctionatpositivepolarity 90,350ns,500Vpulse 25.ELECTROSTATICTEST Normalfunctionat10kVofstaticelectricity 26.ENCLOSUREHEATBUILD-UP 15orless 27.ATPOWERON/OFF spikenoiselessthan300mVp-p 28.

9、OUTPUTLEVEL(LineOut) C4-C58notesoutputsimultaneously,VOLMAX, -6dBm(3dB) 29.NOISELEVEL JIS-AAVERAGE GATEON DDLON-76dBmTYP (-70dBmMAX) DDLOFF-80dBmTYP (-74dBmMAX) GATEOFF -90dBmTYP (-84dBmMAX) -90dBmTYP (-84dBmMAX) 30.ELECTRICALWAVEINTERFERENCE FCC(U.S.A.) VDE(W.Germany) Certificationforeachunderrevie

10、w. RadioFans.CN 收音机爱 好者资料库 1.TRANSTITTEDDATA QCHANNELMESSAGES I000nnnn I00Innnn I0IInnnn I0IInnnn II00nnnn III0nnnn Okkkkkkk Okkkkkkk OOOO000I 000000I0 Oppppppp 00000000 0I000000 0I000000 OvvvvOOO OvvvvOOO Ovvvvvvv NoteOff kkkkkkk=36-84 NoteOn kkkkkkk=36-84 DCOModulation (4bitresolution) VCFModulati

11、on (4bitresolution) ProgramChange PPPPPPp=063(NOTEI) PitchBenderChange (7bitresolution) vvvvvvv=64:Center LSBisnotused nnnn=015: Thechannelnumbersetinparameter87.Butsequencerdataisfixedatchannel2. NOTE 1.TherelationshipbetweenMIDIprogramnumbers(Oppppppp)anddisplayprogramnumbersisshownhere. Displaynu

12、mberMIDIProgramnumber #n #12*i #87- #88- 62 63 SYSTEMREALTIMEMESSAGES IIIII000 IIIII0I0 IIIIII00 TimingClock Start Stop *Sentonlyduringsequenceroperation. RadioFans.CN 收音机爱 好者资料库 BSYSTEMEXCLUSIVEMESSAGES DATADUMP IIII0000 01000010 00100001 0000II00 0000dddd 0000dddd 0000ssss 0000ssss 1MI0III Exclusi

13、veStatus KORGID42H FormatID2IH POLY-800IIIDOCH LSB4bitt)it| t)iti .RAMdataIword MSB4bitJ(5376Byte) LSB4b.tj MSB4biti EOX (N0TE2) DATADUMPissentonlywhenaDATADUMPrequestisreceived. NOTE2688 2.The2(RAMdata1word)nleastsignificant8bitsarechecksumdata. DATAERROR IIII 0I00 00I0 0000 00I0 IIII 0000 00I0 000

14、I II00 0000 0III Exclusivestatus KORGID FormatID POLY-800HID DataError EOX 42H 2IH OCH 20H Sentonlywhenachecksumerroroccursduringadatadump. 2.RECOGNIZEDRECEIVEDATA ICHANNELMESSAGES 1000nnnn 1001nnnn 1001nnnn 1011nnnn 1011nnnn 1011nnnn 1100nnnn 1110nnnn Okkkkkkk Okkkkkkk Okkkkkkk 00000001 00000010 01

15、111100 0I111101 Oppppppp Oxxxxxxx Oxxxxxxx Ovvvvvvv 00000000 Ovvvvxxx Ovvvvxxx 00000000 00000000 Ovvvvvvv NoteOff(NOTE1) Velocitywillbeignored NoteOn(NOTE1) Velocitywillbeignored (vvvvvvv0) NoteOff DCOModulation (4bitresolution) VCFModulation (4bitresolution) OMNIModeOff OMNIModeOn ProgramChange(NOT

16、E2) PitchBenderChange LSBwillbeignored MSBwillberecognized vvvvvvv=64Icenter nnnn=015:Channelnumbersetinparameter87.WhenOMNImodeisON,allmessagesarereceived, regardlessofchannelnumbersetting. When OMNImodeisOFF,thesynthesizerrespondsonlytomessagesreceivedonthecurrently selectedchannelnumber. Thepower

17、ondefaultisOMNION. NOTE 1.Notenumber(Okkkkkkk)=36-84.Receiveddatabeyondthisrangeisvoicedasthesamenoteinthenearestoc tavewithintherange. 2.Programnumber(Oppp pppp)=0-63.Datahigherthan63isinterpretedasthedifferenceobtainedbysubtracting 64fromthedata. SYSTEMREALTIMEMESSAGES IIIII000 IIIII0I0 IIIIII00 T

18、imingClock(NOTE3) Start Stop NOTE 3.Timingclockdatacanbereceivedonlyintheperiodbetweenreceptionofstartandstopdata. ElSYSTEMEXCLUSIVEMESSAGES DATADUMP IIII0000 01000010 00100001 0000II00 0000dddd 0000dddd 0000ssss 0000ssss 1I.II0III Exclusivestatus KORGID42H FormatID21H POLY-800HIDOCH LSB4birbit! bit

19、! .RAMdataIword MSB4bitJ(5376Byte) LSB4bit| MSB4bitJ EOX CheckSumdata(NOTE4) NOTE 4.The2*(RAMdata1word)nleastsignificant8bitsarechecksumdata. n=l DATADUMPREQUEST IIII 0I00 00I0 0000 000I IIII 0000 00I0 000I II00 0000 0III Exclusivestatus KORGID FormatID POLY-800HID DataDumpRequest EOX 42H 2IH OCH I0

20、H AfterreceivingaDATADUMPREQUEST,thereisadelayofabout300msbeforethePOLY-800IIbeginsDATA DUMPtransmission. 3.USINGSYSTEMEXCLUSIVEMESSAGES ICommunicationbetweenthePOLY-BOOHandacomputer. IThePOLY800IIcansendandreceivethefollowingkindsofinformationviasystemexclusivemessages.This enablessequencerandother

21、dataexchangewithacomputerequippedwithaMIDIinterfaceandsuitable software. Sending DATADUMP:Thisincludesthesounddatastoredinthe64programsinmemory,sequencerdata,settingsof parameters85,86,87,and88,andchordmemorydata.ThisissentinresponsetoaDATADUMP REQUEST. DUMPERROR:Sentwhenachecksumerroroccursduringre

22、ceptionofDATADUMPdata. Receiving DATADUMP:TheprogramdataloadedtothePOLY-800II.Thecontentsofthisdatareplacethesound datastoredinthe64 programsinmemory,sequencerdata,settingsofparameters85,86, 87,and88,andchordmemorydata. DATADUMPREQUEST:Acommandtotransmitprogramdata.Whenthisrequestisreceived,thePOLY-

23、800IIbegins DATADUMPtransmissionaftera300msdelay. Setupisshownhere: Computer OUT MIDIInterfacemidii POLY-800II ICommunicationsExamples 3)Firstthecomputerobtainssoundprogramandsequencerdatafromthesynthesizerforediting.Afterediting, thedataissentbacktothesynthesizer. Computer POLY-800U Send Receive Re

24、ceive Send Ifanirregularityisdetectedinthedataloadedfromthecomputer. Computer P0LY-800H Send Receive Receive Send IRAMdatastructure ITheRAMdataportionofDATADUMPdataisorganizedasshownhere. MIDICHANNEL SEODATA (UNDEFINED) CHORDMEMORY SEOMODE SEOCKL PROGCHANGEDIS/ENA (UNDEFINED) PROGDATA 000H 001H3Ea H

25、 3E9H-3F0H 3FIH-3F8H 3F9H 3FAH 3F BH 3FCH-3FFH 400H-A7FH 1 1000 8 8 1 1 1 4 1664 IActually,whenthisdataistransmittedonMIDI,eachbyteissplitatitsleastsignificantfourbitsandsentstarting fromrelativeaddress000H. (UNDEFINEDdatadoesnotaffectinternaloperation;itisonlyusedinthechecksum.) 7 RAMdataorganizati

26、on BitmapforMIDICHANNEL,SEQMODE,SEQCLK,andPROGCHANGE 00OH 3F9H 3EAH 3FBH MSB? 0 0 0 0 6 0 0 0 0 5 0 0 0 0 4 0 0 0 0 3 - 0 0 0 21 MIDICHANNEL 0 0 0 0 0 0 oLSB _SEO_ MODE SEQm _PROG_ CHANGE *Bitmaprelationshipwithparametervaluesonfrontpanel. MIDICHANNEL SEOMODE SEOCLK PROGCHANCED/E 000H 3F9H 3FAH 3FBH

27、 b3bO bO bO bO 0000-1111=1-16 0=1(ONETIME),1=2(REPEAT) 0=1(INT),1=2(EXT) 0=0(DISABLE),1=J(ENABLE) 87 85 86 88 ISequencerdatahasthefollowingstructure. f J i 00H 01H 02H 1ktkikikik|kiki 0kikikikikjkjki 0kjkkjk;k?kk? 1k3kjk3k3k3k3k3 End Rest Tie Ifmostsignificantbitis0:Othernotesexistatsametime. Ifmost

28、significantbitis1:Blockendatthatpointintime. Oknknknknknknkn:SameasMIDInotenumber. /24H54H, In=I8/ Example: ICHORDMEMORYhasthefollowingstructure. Oknknknknknknkn:SameasMIDInotenumber. 00000000:End Data:B4H,02H,B5H,02H, 01H,01H,B7H,B9H,34H,37H, BCH,02H,02H,02H, 02H,02H,01H,01H,00H. a Bitmapforeachpro

29、gram. Exceedsbyteunit. UNDEFINEDdatacanhaveanyvalue;itisonlyusedinthecheck sum. Relationshipsbetweenbitmapandparametervalueslistedonthefrontpanel(perprogram). DC01OCTAVE DC02OCTAVE DCOtWAVEFORM DC02WAVEFORM DCO116 DC018 DC014 DC012 DC0216 DC028 DCO24 DC022 DCO DETUNE DCOMODE DCOINTERVAL NOISELEVEL V

30、CFEGINT VCFEGPOLARITY DCO1LEVEL DCO2LEVEL VCFCUTOFF VCFTRIGMODE MGFREQ MGDELAY MGDCOINT MGVCFINT DEG1ATTACK DEG1DECAY 0 0 0 0 1 1 1 1 1 1 1 1 2 2 3 3 4 4 45 5 6 6 7 7 8 8 9 109 blbO b3b2 b5b4 b7b6 bO bl b2 b3 b4 b5 b6 b7 blbO b6 b3-bO b7b4 b3bO b4 b7b5,bl-bO b6b2 b6bO b7 b3-bO b7b4 b3bO b7b4 b4bO bl

31、bO,b7-b5 0=1(LOWK0I=2(MID)J0=3(HIGHKM=INHIBIT 0=1(LOW),01=2(MID),IO=3(HIGHK11=INHIBIT 00=1(LhOI=2(f)J0-11 =INHIBIT 00=i(n_Koi=2(rKio11=inhibit 0=0(OFF)J=I(ON) 0=0(OFF)J=I(ON) 0=0(OFF)J=I(ON) 0=0(OFF)J=I(ON) 0=0(OFF)J=I(ON) 0=0(OFF)J=I(ON) 0=0(OFF)J=I(ON) 0=0(OFF)J=I(ON) 0011=03 0=1(WHOLE)x1=2(DOUBLE

32、) 00001100=012,11011111=INHIBIT 00001111=015 00001111=015 o=i(W)J=2(H 0000011111=031 0000011111=031 0000000-1100011=0-99,1100100-1111111=INHIBIT 0=1(SINGLE),I=2(MULTI) 00001111=015 00001111=015 00001111=015 00001111=015 0000011111=031 0000011111=031 II 21 12 22 13 14 15 16 23 24 25 26 38 18 28 37 35

33、 34 17 27 31 36 81 82 83 84 41 42 DEG1BREAKP. DEG1SLOPE DEG1SUSTAIN DEG1RELEASE DEG2ATTACK DEG2DECAY DEG2BREAKP. DEG2SLOPE DEG2SUSTAIN DEG2RELEASE DEG3ATTACK DEG3DECAY DEG3BREAKP. DEG3SLOPE DEG3SUSTAIN DEG3RELEASE VCFRESONANCE VCFKBDTRACK DDLTIME DDLFEEDBACK DDLEFFECTLEVEL DDLMODFREQ DDLMODINT EQTRE

34、BLE EQBASS 10 1110 12-11 12 1312 13 14 1514 15 1615 17-16 17 1817 18 19 2019 20 20 21 22 22 23 24 25 25 b6b2 b3b0 xb7 bO,b7b4 b5bl b2bO,b7-b6 b7b3 b4bO blbO,b7b5 b6b2 b3b0 xb7 bO,b7b4 b5bl b2bUb7b6 b7b3 b4bO bl-bO,b7-b5 b5b2 b7b6 b6bO b3bO b7b4 b4bO b4bO b3bO b7b4 0000011111=031 0000011111=031 00000

35、11111=031 0000011111=031 0000011111=031 0000011111=031 0000011111=031 00000Mill=031 0000011111=031 0000011111=031 0000011111=031 0000011111=031 0000011111=031 0000011111=031 0000011111=031 0000011111=031 00001111=015 00=0(OFF).OI=1(HALF),IO=2(FULLh11=INHIBIT 0000000-1100011=099J100100-1111111=INHIBI

36、T 00001111=015 0000Nil-015 0000011111=031 0000011111=031 0000-0110-1100=(-6)-0-6,11011111=INHIBIT 0000-0110-1100=(-6)-0-6,11011111=INHIBIT 43 44 45 46 51 52 53 54 55 56 61 62 63 64 65 66 32 33 71 72 75 73 74 76 77 4.TAPEFORMAT (a)OverallComposition Leader section ii ID Section DataSection iii CheckS

37、um Section Leader Section i approx.2.5sec.2messages2688message1messageapporox.0.5sec. (b)Compositionof1messageinLeaderSection 011111 11111 II Startbitmark (c)Compositionof IDsection 1message 1message I 0 I DO |LS8 D1D2D3D4D5D6D7 MSB| 1 | 1 | I DO III D1D2D3D4D5D6D7 MSB| 1 | 1 StartbitIDdata-1stByte

38、IDdata-1stbyte-42H(KORGsMIDIIDcode) IDdata-2ndbyte-OH(Poly-800llsMIDIIDcode) markStartbitIDdata-2ndBytemark (d)Compositionof1messageinDataSectionandCheckSumSection 0 I DO |lsb D1D2D3D405D6D7 MSB| 1 | 1 StartbitDatabitmark DatamovesinorderfromLSB,withone0inserted before8databitsasthestartbit. Checksu

39、muses8bitcalculation,withoutregardto decimalpoint. PARTNO. A B C SCREWS,NUT PLAXBZMC3x8 TWUZMC3 VNZMC7 QTY 29 3 1 JOYSTICKPLATE SLIDEVRKNOBBNO.2BLK ROTARYVRKNOBNO.2BLK JOYSTICKASSEMBLY PUSHSWKNOBA-3BLK PUSHSWKNOBA-4DARKGRY PUSHSWKNOBB-5BLK PUSHSWKNOBB-6DARKGRY PUSHSWKNOBB-3RED PARAMETERINDEXSHEET LE

40、DDISPLAYCOVER PUSHSWCUSHIONA PUSHSWCUSHIONB Oo w B! O PARTNO. A SCREWS PLAXBZMC3x8 QTY 18 PARTNO. 1 2 3 4 5 6 7 8 9 10 11 12 PARTNAME LOWERCASE RUBBERFEET BATTERYCOVER BATTERYHOLDER BATTERYTERMINAL(-) BATTERYTERMINAL(+) STRAPPEG SHIELDINGSHEET BATTERYCUSHION16x30 x4 RIBBON SHIELDINGSHEET SPIRALCLIPC

41、S-8 PARTCODE 64621000 50008700 64621100 64621200 64058100 64058101 64402200 58018004 50008800 54008100 63002500 54008600 OTOTAPE OFROMTAPE DIGITALDELAY o8;jslogo x*F* SW12UP SW13DOWN SW14PROWARAM SW16 SW17START/STOP SW18STEP 1SS53x18EVQ-QJBX18 (1S2473) 7-2B POWERSW KLM-597 8-3B-# ToKLM-599 BEND KLM-

42、1032 6.P.C.BOARD J 4P-L S* O 1Q. KLM-599-601 7.CIRCUITDESCRIPTIONS 1.SYSTEMEXPLANATION ThePoly-800nsystemdoesnot containtheKLM-598ChoruscircuitboardusedinthePoly-800.butreplacesitwithanewKLM-779 circuitboardwhichcontainsthefollowingnewcircuits;DigitalDelaycircuitry(DDL),ProgrammableEqualizercircuitr

43、y.128Kbit EPROMfortheSystemProgram.64KbitSTATICRAMfortimbredatastorage,etc. Othercircuitboardshaverevisednumbers,andsomeminorchangeshavebeenmade. DifferencesinspecificationsbetweenthePOLY-800HandthePOLY-800aredescribedonthefollowingchart. POLY-80QH/POLY-800COMPARISONCHART ITEM POLY-800H POLY-800 EG

44、DEG1-3 Decay Slope Release Exponential Linear Time However,whenSustainlevelisgreaterthan Breakpointlevel(slopeenveloperises),then slopeofenvelopeislinear. Time Ratioofchangeisalwaysequal VCFMultiple Trigger TriggertakeseffectwhenKEYON. TriggertakeseffectfromanypointwhenKeyON EFFECT Built-inDigitalDe

45、lay Delay.Chorus.Flanging,Dubbing(Hg-1) +4V OV 50/isec DC,2V/div,10/zsec/div Flo-1 27 2.FEEDBACKTIMEVerification,Adjustment 1)SelectprogramNo.15. 2)Connectonoscilloscope(AC,50mV/div,0.1sec/div)toTP1. 3)PlayC3key,andcheckthattheenvelopeofthewaveform (frompeakofwaveformtodecay)is600msec50msec. (Fig-2)

46、 4)AdjustVR1ifnecessary AC50m/m O.isec 600msec Fig-2 3.ANALOGCOMPANDERNE572Verification,Adjustment 1)SelectprogramNo.16. 2)Connectonoscilloscope(AC50mV/div,0.1sec/div)toTP1. (ConnectgroundtoTP2) 3)PlayC3key,andcheckontheoscilloscopethatvisible waveformsareformedwhichareunifprminsizeandshape. Note: A

47、lthoughthiscanbeabjustedviaVR2,becauseitisfixedat afullycouterclockwiseposition,soitshouldnotbeturned. PARTSUST PARTSCODE PARTSNAMESPECIFICATIONS P.C.BOARD IDENTIFICATION NO.FUNCTION QTY CARBONRESISTORS 10009000 10013710 10016610 10016722 10113747 10413247 10413318 10413322 10413327 10413347 1041341

48、0 10413422 10413439 10413510 10413533 10413539 10413562 10413610 10413710 10416210 10416215 10416222 10416247 10416310 10416315 10416322 10416333 10416336 10416347 10416351 10416356 10416382 10416410 10416412 10416422 10416433 10416439 YOOHM S1/4JY1M 1/6JY100K 1/6JY2.2M S1/4JT4.7M S1/4JYTP47OHM S1/4

49、JYTP180OHM S1/4JYTP220OHM S1/4JYTP270OHM S1/4JYTP470OHM S1/4JYTP1K S1/4JYTP2.2K S1/4JYTP3.9K S1/4JYTP10K S1/4JYTP33K S1/4JYTP39K S1/4JYTP62K S1/4JYTP100K S1/4JYTP1M 1/6JTP10OHM 1/6JTP15OHM 1/6JTP22OHM 1/6JTP47OHM 1/6JTP100OHM 1/6JTP150OHM 1/6JTP220OHM 1/6JTP330OHM 1/6JTP360OHM 1/6JTP470OHM 1/6JTP510OHM 1/6JTP560OHM 1/6JTP820OHM 1/6JTP1.0K 1/6JTP1.2K 1/6JTP2.2K 1/6JTP3.3K 1/6JTP3.9K KLM-1032 KLM-601 KLM-1032 KLM-1035 KLM-1032 KLM-599 KLM-1032 KLM-599 KLM-1032 KLM-599 KLM-1032 KLM-779 KLM-1032 KLM-779 KLM-1032 KLM-779 KLM-1032 KLM-779 KLM-1032 KLM-779 KLM-1032 KLM-779