Mu_tron_iii_om_sch 电路图 维修原理图.pdf

MU-TRONIII SYNTHESIZEREFFECTS! New,sophisticated,versatile. utilizingthelatestinmusic synthesistechniques.Small enoughtobeamini- synthesizer. Mu-tronIIItranslatesthe envelopeorvolumepicture ofeverynoteautomatically. intoaneasily-controlled, articulated,vowel-likesound asfastorslowasyouplay. UseMu-tronIIItocreatea varietyofsynthesizersounds throughmostelectrified instrumentsguitar, keyboards,drums,flute, saxophone,brasses,bass, mandolin.evenmicrophone. Thesharperyourattackand themorepercussiveyour instrument,thewilderyour sounds.Mu-tronIIIcanbeused withanoctavedividerorother devicesorinpairsfor cascadingeffects. Besidesprovidinginverted voweltrajectory(staccato snap),Mu-tronIIIalso functionsasanautomatic wahpedal. Fullinstructionsincluded,but youdecidehowfaroutyouwant togo.TryMu-tronIIIatyour dealer. Fortechnicalspecifications, pleaseturnthepage. LJ musiTronics Corporation. Rosemont,N.J.08556 Phone(609)397-2000 .7k- 收音机爱好者资料库 Ra d i o Fa n s .CN MU-TRONIII SYNTHESIZEREFFECTS! musiTronics PatentsPending TECHNICALSPECIFICATIONS Gain:Variablefrom0.1to40,whendrivenfromlow impedancesource. InputImpedance:1megohmatlowestsettingof Gaincontrol,variableto3.3Kohmsatmaximum Gainsetting. MinimumInputSignalforFullMu-tronEffect: 1.5mVfrom600ohmsource. OutputImpedance:600ohms. MaximumUndistortedOutputSignal:3.6voltsRMS. PowerSupply:9voltsfrom2NEDA1604batteries. Weight:3AAlbs.,withoutbatteries. Dimensions:8%longx5widex3%high. Warranty:1yearonpartsandlabor. SuggestedRetailPrice:$99.95 MadeinU.S.A. CONTROLS Power:On-offswitch. RangeSwitch:Emphasizeshighorlowfrequencies. DriveSwitch:Upordowndrivefortwototally differenteffects. ModeSwitch:HighBass,BandPassorLowPass filtercharacteristics.Foraccentingdifferent regionsofaudiosignal,allowingthreedistinct tonalranges. GainControl:Foroptimumoperationfromany musicalsource,orforcontrolledamplifier overloadwhendesired. PeakControl:Forvaryingfiltersharpnessfrom asubtleaccentuationthroughadistinctvowel soundtohighresolutionfilteringthatSplays individualovertones.j,o.7784uthomt Specificationsandpricesubjecttochangewithoutnotice. 收音机爱好者资料库 Ra d i o Fa n s .CN IMPORTANTNOTECONCERNINGDATTERIES: Thefirstindicationofbatteryfailurewillbeareductionor IcstofihrWaheffect,whichmayormaynotbeaccompaniedbya highfrequencyoscillation.Alwaystrynewbatteriesbeforeassuminq thatyourMu-tronisdefective,keepinginmindthefollowing: Duetounequalcurrentdrainduringoperation,theusefullife cithebatteryintheholderwiththeredleadisconsiderably :.,rrrKhnnth*tofthebatteryintheholderwiththeblacklead. t-yjshouldheabletorepl*ccniythebatteryintheholder ri*.tf.eredleadatleasttwoorthreetimesbeforebothbatteries ?49n*nfc?rfh,vr/ CongratulationsonyourpurchaseoftheMu-tronIIIby MusitronicsCorporation.TheMu-tronhasbeendesignedand manufacturedtoprovideyearsofdependableservice. Whilesimpletooperateonceallitsfunctionsareunder-, stood,theMu-tronIIIiscapableofproducinganumberofunique musicaleffects.BeforeyoucanuseyourMu-tronasatoolof musicalexpression,afewminuteswillhavetobespentinfariliar- zationwiththefunctionofitsvariouscontrolsandswitches. CONTROLS: -Turnsunitoffandonfrcnbatteries orPS-1 -MakestheMu-tronfsautomaticfilter sweepeitherupordowninpitchas indicated Emphasizesvowel-likesoundsinthe Lowpositionandtheovertonesinthe Highposition Functionsasbothavolumecontroland thesensitivitycontrolfortheMu-tronfs effect -Thiscontroldeterminesthestrengthof theMu-troneffecteffectbecomesstronger asthecontrolisturnedclockwise EmphasizesloworbassrangeinLP(Low Pass)position,midrangeinBP(BandPass) position,andtrebleorhighfrequency portionofthesoundintheHP(HighPass) position -SwitchestheMu-troneffectinoroutas desired PC7/ER Off DRIVE Down- RANGE Low- GAIN 0-10 PEAK 0-10 MODE LP,BP Switch -On Switch -Up Switch High HP FOOTSwitch CorporationP.O.Bo*57Romont,N.J.08556 AnadditionalcontrolovertheresultingeffectoftheMu-tron isyourplayingstylewithregardtostrengthandsharpnessofattack. SET-UPANDOPERATION: MakesurethePOWERswitchisinitsOFFposition.Either connecttheMu-trontothePS-1BatteryEliminator,orremove thebatteryaccessdooronthebottomoftheMu-tronbyturning thefastenerhturncounter-clockwiseandslidingthedooraway fromtheunit.Inserttwo9volt,batteriesintheirholdersand replacethedoor.-mw.- -1- 收音机爱好者资料库 Ra d i o Fa n s .CN Connectyourinstrumenttotheappropriatejackontherear ofthoMu-tron,andconnecttheMu-trontoyouramplifierusing shieldedcables. Sotthecontrolsonyouramplifierinanormalmanner,and settheMu-tronasfollows: POWERswitch-ON DRIVEswitch-UP RANGEswitch-LOW MODEswitch-BP PEAKcontrol-10 GAINcontrol-SeeBelow Playofewnotesonyojrinstrumentinastrongandpercussive (wit.*-.:;h*rpattack)mannerwhilevaryingtheGAINcontrolonthe tfu-trcnfrom0through5.Ifnoeffectotherthanachangein loudnessisobserved,operatethefootsv/itch,whichmaybeinthe positionwhichby-passestheothereffectsofthedevice.A settingoftheGAINcontrolshouldbefoundwhichapproximatesthe soundofaconventionalWanpedal. NotethattheGAINcontrolalsofunctionsasasensitivity controlfortheeffect,andthattheeffectiscontrolledbythe mannerinwhichtheinstrumentisplayed(strongerplayingor sharperattack,morepronouncedeffect)aswell. OnceasatisfactorybasicsettingfortheGAINcontrolhas beenfound,experimentwiththesettingsofallofthecontrols andnotethevarioussoundsproduced.Notethatthetwobasic soundsoftheMu-tronarecontrolledbythepositionoftheDRIVE switch.TheGAINcontrolmayhavetobere-setforbestresults intheDOWNpositionofthisswitch. NotethatanytimetheeffectsoftheMu-tronarenotdesired, merelydepressthefootswitchandtheMu-tronservesasaflat pre-amplifierwhosegaincanbecontrolledbythesettingofthe GAINcontrol.Ifdesired,highersettingsoftheGAINcontrolmay beusedtoproducedistortionbyoverdrivingtheamplifier. Throughcarefulexperiment,youwilldiscovermanyuseful effectsonyourown;wearelistingafewheretohelpyougetstarted. WINDSANDBRASSES:Mostinstrumentsinthesefamiliesare effectivewiththeMu-tronIII.Useastandardmountedpick-upor bug.TrydifferentMu-tronsettingstogetdesiredeffects,but ,remetnberthatthefinalsoundiscontrolledbythesharpnessofattack. /, t Anoctavedividerdeviceusedbetweentheinstrumentandthe Mu-tronisveryeffective. DRUMS:YoumaymikeyourdrumsorusetheBarcus-Berry pick-upwiththeMu-tronIIIforstartlingeffects. GUITAR:Forguitar,trythefollowing: MODEPEAKGAINRANGEDRIVE HP101-4LOWUPLead HP4-73-6HIGHDOWNLead BP91-4LOWUPFunkyRhythm HP1010HIGHDOWNDistortion Exactsettingswilldependuponthespecificinstrument usedandtheeffectdesired.Tryvaryingyourpickingstrokes fromstrongtosoftandfromshorttosustained.Useotherncrnal techniquessuchasbending,etc. GUITARBEATPHENOMENON:UseanydesiredMu-tronsettings. Playthesamenotesimultaneouslyontwodifferentstrings,and bendoneslightlyoutoftune.Thebeatproducedbythedifference inpitchbetweenthetwotoneswilltriggertheMu-troneffecton eachbeat. USINGTHEMU-TRONTOGETHERWITHOTHERDEVICES:Avarietyof additionaleffectsmaybeproducedbyusingothersoundmodifiers inconjunctionwithyourMu-tron.Experimenttodeterminewhether betterresultsareobtainedwiththeotherdeviceconnectedbetween theinstrumentandtheMu-tronorbetweentheMu-tronandthe amplifier,sincetheeffectwillnotbethesame.Deviceswhich produceasuboctaveareparticularlygood,andshouldbeconnected betweentheinstrumentandtheMu-tron. USINGTWOMU-TRONS: AnoutstandingeffectisproducedbyusingtwoMu-tronsand twoamplifierswithastereoinstrument.SetonewithitsDRIVE switchintheUPpositionandtheotherwithitsDRIVEswitchinthe DOWNposition.Itwillsoundasthoughyouareplayingtwodifferent instrumentsatthesametime. ManyunusualeffectscanbeproducedbycascadingtwoMu-trons (ConnecttheinstrumenttothefirstMu-tron,connecttheAMPLIFIER jackofthefirstMu-trontotheINSTRUMENTinputofthesecond Mu-tronandconnecttheoutputof.thesecondMu-trontoyour amplifier.)TryoneMu-tronwithitsDRIVEswitchintheUP positionandtheotherwithitsDRIVEswitchintheDOWNposition. -3- USEOFTHEMODELPS-1BATTERYELIMINATORWITH YOURMU-TRONIII Insertthe3-pinoutputplugintothesocket locatedontherearofyourMu-tron.Notethat thisplugiskeyedandwillonlyfitthesocket inoneposition.ConnecttheAClinecordtoa sourceof110-120voltsAC,andusetheMu-tron inexactlythesamemanneraswhenpoweredby batteries.AlthoughthePOWERswitchonthe Mu-tronwillnotoperatethepowertotheModel PS-1,itmustbeinitsONpositionforthe Mu-trontofunction. WhenusingthePS-1,itisbesttoremovethe, batteriesfromtheMu-tron.Batteriesleft| intheholderwillbechargedbythePS-1when-i everitisconnectedtotheACsupplyandto theMu-tron.Shouldthebatteriesalreadybe| fullycharged,thereissomedangerofleakageor| evendamagetothebatterycasestakingplace. KU-TRON,Incorporated 5liartwellAvenue Lexington,Massachusetts,02173 Telephone:617/861-6000 THEMU-TRONIII SincetheMu-troneffects devicesarequitesimplein comparisontothemuchlargerARPsynthesizers,wearenot includingallthedetailedinstructionthatgoesintothe ARPservicemanuals.Youwillfindherewiththenecessary schematics,assemblydrawingsandpartslists,shouldyou haveanyquestions,pleasecalltheARPServiceDepartment at(617)861-6000. J-TROh MU-TRON,Incorporated 45HartweiiAvenue Lexington,Massachusetts.02173 Telephone:617/861-6000 TERENCE 1 17 G 15 ,2, .4, ,6 ,10 r8,9 ,2,3 !5 !6 ARPPARTNUMBER 1001602 1200301 1202002 1202101 1201901 1701101 1903901 1904001 2602501 5602701 7533405 7533406 5708001 5707301 5707001 THEMU-TRONIII ARP/MFGNUMBER U260R103B 1N4148 MV5054-2 1N4002 1N4742A GJV-1/4 RSW0422-OSD-00-P- A2-BK-0000 RSW0422-0SD-00-P- U2-BK-0000 P873-13 1406401 DESCRIPTICN Pot#RotaryTrimmer10 Diode,Signal Diode,Lightemitting, Red Rectifier,100V Diode,Zer.er,12V Fuse,Pigtail,Normal Blow Svitch,Rccker,DPDT Gray Svitch,Rocker,DPDT Blue PhotoCell,1LED ljalOpAzp,Sel. (RC455BK3) PotAssesibly,1M PotAssemhly,150K Switch,Rc.ary,SP, 3position PowerTransformer,117 Knobs PleaseorderpartsbyARPpartnumber. I -MU-TRON,Incorporated 45HartvtellAvenue Lexington,Massachusetts,02173 .U-TRONTelephone:617/861-6000 KusitronicsBi-PKASE ARPPARTNUMBERARP/MFGPARTNUMBER 5707101 5707201 1001901 1001902 1001904 1903S01 5708001 1903901 1904001 1904401 1903701 5708301 1305701 1200301 1202101 2502401 2602901 12C2001 1410101 5502701 1700901 5708601 5708501 CTStypeVDT450 CTStypeVDT450 Brel(Mfg.) RSW422-SD-P-R1-BK 212-1 RSW422-SD-P-A2-BK RSW422-SD-P-U2-BK 8174K11X121T50 112-P 2N4401 1N4148 1N4002 P653-G50-6 P873-12 MV5054-1 RC4195TK RC455SNB 312.001 AR-3-M-L AR-1-B-SK-M (Noreferencesgiven) DESCRIPTION Pot,10K,Linear Pot,25K,Clockwiselogtaper TrimPot,10K,3terminal,horiz.mtg. TrimPot,IK, TrimPot,22K RockerSwitchDPDT,Red RotarySwitch,SP3T RockerSwitchDPDT,Gray RockerSwitch,DPDT,Blue RockerSwitch,power,illuminated FootswitchS?DT Powertransformer,117VAC TransistorNPN Diode,Signal Rectifier,1A Photocell Photocell LED IC,VoltageRegulator IC,DualOpAmp,Selected Fuse,lAmp Knob Knob M % ffi H l 2, r ft. N MU-TRONIH(aboves/n02050) 1975MUSITRONICSCORP. 1ROSEMONT,N.J. . THEMU-TRONHIISMANU FACTUREDUNOERONEOR MOREOFTHEFOLLOWING U.S.PATENTS:3J911.776; OES.236,212.