Yamaha-EQ630-eq-sm 维修电路原理图.pdf

STEREOGRAPHICEQUALIZER-FONTPANEL12151HAI&T7iVOCAJ.IBiTHEATEAi-;:JO60?C24U.lac.?J.8.i_EOLEvElIc131.IIIIIIIIIIft;,.YAMAHANATURALSOUNOGRAPHICEOUALIZER.EO6301010claveBandSDerChannelPEEDODDUu7EJS/EiCe5vE61BIuEDISERVICE MANUALYAMAHARemoteControlTransmitterIMPORTTonCEThis manual has been provided for theuseof authorized Yamaha Retailers andeiseicepersonnel. It has been assumed that basicseiceprocedures inherant to theindustr,andmore specifically Yamaha Products, are already known and understood bthe users, and ha e thereforenotbeen restated.WARNING:Failure to follow appropriate service and safety procedures when servicing this product may resultinpersonal injury, destruction of expensive componentsand failureofthe product to performasspecified. For these reasons,weadviseallYamaha product owners thatallservice required shouldbeperformedbyanauthorized Yamaha Retailer or the appointed service representative.IMPORTANT:The presentation or saleofthis manual to any individual or firm doesnotconstitute authorization, certification, recognitionofany applicable technical.capabilities, or establish a principle-agent relationshipofany form.The data providedisbelieved tobeaccurate and applicable to the unit(s) indicated on the cover. The research, engineering, and service departmentsofYamaha are continuallystriving to improve Yamaha products. Modifications are, therefore, inevitable and specifications are subject to change without notice or obligation to retrofit. Should anydiscrepancy appear to exist, please contact the distributors Service Division.WARNING:Static discharges can destroy expensive components. Discharge any static electricityyour body may have accumulatedbygrounding yourself to the groundbussinthe unit (heavy gauge black wires connect to this buss).IMPORTANT:Turn the unit OFF during disassembly and parts replacement. Recheckallwork before you apply power to the unit.CONTENTSTOSERVICEPERSONNEL.ISPECiFiCATIONS.IDIMENSiONS.IINTERNALVlEW.2REARPANELS.2LTHIUMBATTERy.3DISASSEMBLYPROCEDURES.3ICBLOCK.4-5DISPLAYPINCONNECTIONS6WIRING.7DISCRIPTIPNOFOPERATIONS7BLOCK0IAGRAM.8,qPRINTEDCIRCUITBOARD10-13SCHEMATICDIAGRAM.14.15PARTSLIST16-201002631YAMAHAYAMAHACORPORATIONHAMAMATSU,JAPAN3.7k-142PrintedinJapan89.5RadioFans.CN 收音机爱 好者资料库INSULATINGTABLE.105 dB/1V.7V.lV.Lessthan0.005%EO-630TOSERVICEPERSONNEL1.CriticalComponentsInformation.*Componentshavingspecialcharacteristicsaremarkedillandmustbereplacedwithpartshavingspecifioationsequaltothoseoriginallyinstalled.2.LeakageCUrrentMeasurement(For120VModelOnly).Whenservice has beencompleted,itisimperativethatyouverifythatallexposedconductivesurfaces areproperlyinsulatedfromsupplycircuits.Meterimpedanceshouldbeequivalentto1500ohmshuntedby0.15JJF.Leakagecurrentmustnotexceed0.5mA.Be suretotestforleakagewiththeACpluginbothpolarities.SPECIFICATIONSMax.OutputVoltage(1kHz, 0.1% T.H.D)RatedOutputVoltageMax.InpulVoltage(1kHz)7VRatedInputVoltage.1VInputImpedance.47k-ohmsFrequency Response.10Hz -50kHz.-1dBCenter Frequencies.30Hz.50Hz.120Hz.240Hz.480Hz.1kHz.2kHz.4kHz.8kHz.15kHz.Equalizer Control Range12dBSignalloNoiseRatio (IHF A Network)At1Voutput.Total Harmonic Distortion(20 Hz -20kHz,1VoUlput)EQUIPMENTACLEAKAGETESTERUNDERTESTOREQUIVALENTLr=1I:r=4IOUTLETPower RequirementsGeneralmodel.110/120/220/240V. SO/50HzEurope model.220V.50HzAustralia and U.K. models240V.50HzU.S.A. and Canada models120V.50HzPowerConsumption.lOWDimensions (W x H x D)435 x122x271mm(171/8x4-13/15x10-11/15)Weight .3.5kg(7Ibs.11oz.)AccessoriesPinplugcords(2)Remote control transmitter (1)Dry batterysizeAA (R05) type (2)Powercord(1)SpecificationsSUbjecttochange without noticeDIMENSIONS(U)(C)(A)U.S.A. model(B)Canadian model(G)Australian model(R).Britishmodel. European model.Generalmodel1ID,-0;:N-Nojloo311/16435(17-I/S311/16I4c:=J:=JII-c:=c:Jc:r:J-IUc:r:JD-ON=.,.381-1/21l.-.t3811-1/21RadioFans.CN 收音机爱 好者资料库INTERNALVIEWREAR PANELSU,C modelsEQ-630tPowerTransformerLithium Battery(Memory)MainCircuitBoardCPanelCircuitBoard(7)PanelCircuitBoard(2)PanelCircuitBoard(l)PanelCircuitBoard(6)PanelCircuitBoard(3)oPane1Circui tBoard(5):BottomSide4DPanelCircuitBoard(4):TopSideA,BmodelsG modelR modelYAMAHAgo120 VOLTS10 WATTS60HZYAMAHACORPORAIYAMAHAL30.110120220240VOLTS10WATTS50/60HzvYAMAHACORPORATIONMADEINJAPANMAINSMAINSMAINSMAINS2EO-630LITHIUMBATTERYimproperhandling.ObservethefollowingprecautionsNever reversethebatterypolaritieswheninstalling.Donotshortthebatteries.Donotattempttorecharge thesebatteries.Donotdisassemblethebatteries.Neverheatbatteriesorthrowthemintofire.L1TIUMBATTERI.Barendastbytasav servicepersonal.Explosionsfaravidfelaktighantering.SwedishWARNING!Lithiumbatteries.Explosiondanger.Changeofbatteriesmustonlybedonebyqualifiedperson-nelandasdescribedintheservicemanual.EnglishThisproductusesalithiumbatteryformemoryback-up.WARNING:Lithiumbatteriesare dangeruus becausetheycan beexplodedbywhenhandlingorreplacinglithiumbatteries.Leavelithiumbatteryreplacementtoqualifiedservicepersonnel.Alwaysreplacewithbatteriesofthesametype.WheninstallingonthePCboard,solderusingtheconnectionterminalsprovidedonthebatterycells. Neversolderdirectlytothecells.Performthesolderingasquicklyaspossible.DanishFinnishADVARSEL!Lithiumbatterier.Eksplosionsfare.Udskiftningmkunforetagesafensagkyndigog sombeskrevet i servicemanualen.VAROITUS!Lithiumparisto.Riijiihdysvaara.Paristonsaavaihtaa ainoastaan alanammattimies.DISASSEMBLYPROCEDURES(Removepartsindisassemblyorderasnumbered)1.RemovalofTopCovera.Remove2 screwsCDinFig. Ib.Remove3 screwsGDandslidetheTopCover back.2.RemovalofFront Panela.Remove3 screwsCDinFig.Ib.Removeconnectorslocatedat3placeandpulltheFrontPanel forward.LITHIUMBATTERYREPLACEMENTNote)Duetothedangerofexplosionitisonlyallowedtouse abatteryofthesametypeandmanufacturerwhenithastobeshifted.Wirewireswhilepushing3EO-630.ICBLOCKICI:TCql62N(AnalogSwitchArray):E:E:E:E0eon0.0IenenuenenenenuenuI-IIIIIIIIIIIenii.I-0enIenenen:Eenen:=ffiZ1-I-00:tI-Zc.z=OzI0z_u.;0u.ZZFUNCTIONTABLEICI517:MN4051BD(8-channelAnalogMultiplexerDemu1tip1exer)ICII14:LA6324N(QuadOpe-Amp)VINX.16VuoX.+XX6Xz15XzVINX,4XIX,X,Xo13XoVIN3+XXX3,2X3VIN2-Inhibit6InhibilA11AVEEa,0aVssa9Control InputONBljSW.I00Xo00IIX,0II0XzOIX3-+I,00,X,I0IXsII0X6IIIIX,xxx-4EQ-630IC402404(LCDDriver)LC7582BIC405INVeeINOUTInpUTRz0ININOUTGNO5471AOIIRscr-_-=:;-i-OUTPut-54SIA021co.0.oICI8:AN78N05(3-Terminal Voltage Regulater)8N,ou,8iiii0-oscGNOVeeVOIJIVLCO5471AOIIS46105PII54SIA021544105P2154354254154053953853753653S534533532515253545S5657585951051151251351451S516IC406:GPIU521X(RemoteControl Receptor Unit)IC401:HD61408DS(4-BitICHIPMC)L.-4-.CommonIPinPin PinPinIFuncti onI/ONameNo.No.NameI/OFunctionULTIPLEXERCSRchI 0011I64010I 0ElectrooicVRRchCSNCI 0012263DqI 0ElectrooicVRLchCSULTIPLEXERCSL&.RchI 001336208I 0ElectronicVRDATAULTIPLEXERCSLchI 001446107I 0LC7582INHiElectronicVRCLKI 0DIS56006I 0LC7582DATAULTIPLEXERDATAAI 0ROO65q05I 0LC7582CLKULTIPLEXERDATABI 0ROI75804I 0LC7582CEIRch)ULTIPLEXERDATACI 0R0285703i0LC7582CEIL&.Rch)NCI 0R03q5602i0LC7582CE(Lch)TCql62CLKI 0RIO105501i0KeyOutput f ITCql62DATAI 0RIIII54DOi0KeyOutput f2TCq162STB1 0RI21253GNDiGNDNCI 0RI31352OSC2iOSCNCI 0R201451OSCIiOSCNCI 0R211550TESTi5VNCI 0R22164qRESETiRESETNCI 0R231748Rq3iGNOA/OINIRAO1847Rq2iKEYInput IFunction)GNOIRAI/VdisIq46RqliKEYInputLchUPPowerOFFISecond)i0R302045RqOiKEYInputLchOMutingi0R312144R830KEYOutputf3PowerOFFIPrimary):INTOi0R32/INTO2243R820KEYOutput f4.RemoteControlInputi0R33/INTI2342R810KEYOutput f58-bitA/D0(LSB)i0R502441R800KEYOutputf68-bitA/OIi0R512540R730KEYOutputf78-bitA/D2i0R52263qR720KEYOutputf88-bitA/O3i0R532738R710KEYOutputfq8-bitAID40R602837R700KEYOutput flO8-bi tA/D50R612q36R43i0GNO8-bi tA/D60R623D35R42/S0i0KEYInput IFunction)8-bi tAID7I_58)0R633134R41/SIi0KEYInputRchUP5ViVcc3233R40/SCKi0KEYInputRchONote)IHighVoltage Input0HighVoltage OutputiStanderdInputo.Standerd Output5DISPLAYPin ConnectionLCD:PSALFD6C80SEGMENTSCO.ONANo.I2345678q10II12131415161718Iq202122232425262728COMI-COMAI3AllAqA7A5A3AIBI2BIOB8B6B4B2CI3CIICqC7C5C3CI01201008060402COM2COM-AI2AIOA8A6A4A2BI3BIIBqB7B5B3BICI2CIOC8C6C4C2013011Oq07050301COM3-COM4-No.2q3031323334353637383q4041424344454647484q50515253545556COMIEI3EllEqE7E5E3EIFI2FlOF8F6F4F2GI3GilGqG7G5G3GICOM-COM2 E12EI0E8E6E4E2FI3 FIIFqF7F5F3FIGI2GIOG8G6G4G2-COM-COM3-COMEORECSOURCEJI3JIICOM4-COM-EVERTAPEJI2JIONo.57585q6061626364656667686q7071727374757677787q8081COMI-COM2-._COM3JqJ7J5J3JI112 11018161412HI3HIIHqH7H5H3HIMEt.IOIdIeIbIfCOM-COM4J8J6J4J2113IIIIq171513IIHI2HIOH8H6H4H2EOEQONIeIglaP-COMFLAT6EQ-630WIRING1r.,PANEL2II2Circuit BoordJ402r-,J402II,13II3I7l2II24L.J4,IPANELJ13II3CircuitBoord1514L4J2r-,J2.J1I,2II2MAINCircuit Boord3I,34II45II5667I,7II8II8J403r-,J403,19II92,210II10PANEL3II3PANEL11II11Circu Boord(114II4CircuitBoord(4)12L.J25II5J3,r-,1J3III6L.J62II23,I34,I45,I56II67II78II89II910,I101111L.JJ404J4041r-,1,IJ401J4Ql2II233I4II4II225II5PANEL66337II7Circuit Boord(3144L-I55J405J405661r.,12II23II34II45,I55,1!,6II6PANELCircuit Boord(l)7II7II56,LCDUnit2:558L-I8401:a,815050J406r,H061I,PANEL223,3Circuit Boord (61-.Jt5,1!16:5LCDUnit5,6,5402:81815050.DESCRIPTIONOF OPERATIONS(Relationship ofSwitches)EOswitchOFFONEORECswitchOFForONOFFONREC_IIIIIIL.JPLAY-0,IIIIIILJREC_!IIIEOIII.JIIIEOIIIL.-IIIIIL.J7EO-630BLOCKDIAGRAML.JIClllCl0MUTEOLIQl0IC1IC2(1/2)-o.IClRch+BUFFERIC8(1/2)r-17rr-r-vBUFFERBPFOetectorIC611-(1/2)111/4)0105IC405r-BUm:.XOXBUFFERRAIC11t114)010712X1IR5C.7AG(IC11(1/4)010913.X2IC3IC13(1/4)IC15BPF0111MPXBockupI14X3.BAT.1IIC13(1/4)0113-.e-15.X4LIC11(1/4)0115ISX5.lCl4)0117.XS.,IC13(1/4)09X7V.IC2)0121XOV.Xf-IC1S1/2)IC9(1/2)MPX0123.X10.-r-.-0.IC7(1/2)BPFIC5-.BANDLEVELr-CONTROL-,IYY-i-i11IIRECOUTTAPEPLAYLINEOUTLINEINRch89-,Rch-,LchIC4058UFFERRAOMUTE/R5053-R92-M2M4M6M8MEEOEO7r7R60.63RECON/OFFEOPEAKIC401-R42-M1M3M5M7TAPESOURCEANALYZECURVEHOLDREVERS)J -COM-R41-111213141516171819110R40,R42(30Hz)160Hz)(120Hz)(240Hz)(480Hz)(1kHz)(2kHz) (4kHz)(8kHz)(16kHz)UP(+)KEYBockupIR70R92-R40-111213141516f71S19110OOWN(-)KEYSA.1I.c-R91-11121314151617IS19110UPI+IKEY-R90-11121314151617IS19110OOWN-)KEYIIRS3R1S2R1R1SOR2RO01DOR73R71IIIIIIIIII01,00R70-73RSOS3050607IC406RemoteRecepterIILCDDRIVER04,5IC402f-LC0401-1RESETI-r-lLCD-DRIVER-IC404+5.6V-MUTI-LCD_1DRIVERLCD+15VPOWERPOWERSW402SUPPLYSlr-01-06IC403+SV0706,7IC1S3C=D=-15VIC5-SVOSBANDLEVELCONTROL-,If-I._.J9ABcoE1234567PRINTEDCIRCUITBOARD(Pattern Side)(Note)X*lij:ComponentSideIMAINCircuitBoardI+ToPANELCircuifBoard(1)10J_EF_-a._G_.&.-._H_.a-.a.-_EQ-630VOLTAGESELECTOR(Rmodelonly)ACINLETrd(1)10ToPANEL CircuitBoard(1)ToPANEL CircuitBoard(7)11ABcoE12EQ-630PRINTEDCIRCUITBOARD(PatternSide)(Note)(*00:ComponentSideRchIPANELCircuitBoard(3)I345To1PANEL CircuitBoard(4)YEr-From MAIN Circuit Board-:=L-,-LCD (Rch)IPANELCircuitBoard(2)I8712ON.POWEROFFFrom PANEL CircuitBoard(1)13FLchGH13REMOTE CONTROLIPANELCircuifBoard(6)IAOSt;A5IC11-14LA6324NIC15-17NJU4051BPorMN4051BorHD14051BP5or BU4051 BIC18HAI7805or uPC78M05Hor AN78N0501,225C2878or 25D1915ST0325A933r-,or25A1309I0425C1740Ior 2SC3311IIZ10105DTA114TSTPI220Kx7UN4115L_Jor0625D2012or25017620000(I):tl.D6Q72S81375or2581185D1-.4,9RLIN4003-N02D5,6HZ515-3TDorMA4150MD7,8HZ59A2TDorMA4082MD10-15,101,124155119-04Nor 15S178:(I).,.BAT 1SUMM2CC200orCR2032/1VCo7(I,.ii-LINSPI-U,C,R,A,BG.*.1R10f,1021KfiSHORT*2C61,62,65,66,OPEN220pF69,70,73,74.*.3R101,102SHORT1KO1LchLINEIN14.7-14.8Rch2LchLINEOUTRchLchRECOUTC)RchLch3PLAYBACKRch,-III-IIIILd.:!._4IC1TC9162IC2,8,9,10NJM4558S0orAN6555orTA75559S-1IC3,4,7AN7337IC5,6NJU7305IC11-.14LA6324NIC1517NJU4051BPorMN4051BorHD14051BP5orBU4051 BIC18HAI7805oruPC78M05HorAN78N05a1,22SC2878or2S01915STa325A933or2SA1309a42SC1740or2SC3311a5OTA114TSTPorUN4115a62502012xxxNor2S01762x000X:I:CD0v(D6Q72SB1375or25B1185I01-.4,9RLIN4003-N02ns:;.t:.U71-Tn:,.!R230fOKRf910KR2015KR1f(1l3.3K0130RCH4KHzLCH4KHzLCH16KHzLCH8KHzRCH16KHzRCH8KHzrIDlmIIIIL.J00.r-n.:JU100CO:r:c0-.o00o(/)Zt-il:U1U100C(/)Z-tc.nc:.c-W0-.oU1Z.oU1aJzwwGl11,IIQ)Q)CIoIIQ)R2628.2K+R26627KC2661/50R24627KC2462.2/50R250150KI.LHI)o:z:rTl,Z()rr1-t-.:crr1c03:cIQ)I IZO:O2t-IVl_rQ)ZNooJC52J-Qn?IrZ-rI)o2:Q)C2263.3/5010110:tBz.I,MAINJ21RESET2RCHVOLS3lCHVOL4VOL 05VOLClK678INT9VCC10lUMP11lUMP12I/OSWI/OSWI/OSWPANEL(7)C18lO.022AC120V60Hz:u,eAC220V50Hz:GAC240V50Hz:A,BAC110,120,220,240V: R50/60Hz&r-,I240VIIIIIIL-!._JRmodelonlyJ 1123.-f-+-+.J41-+-+-.1R30310KJ1,.-_-+-I-12-+.-+-4II-_4_4_-.:.:-_4-_I3R1710Ke-.J,N-44CAUTIONComponentshavingSJreplacedwithpartsha*All voltages are measur*Schematicdiagramis sHD614080SAc.IICDR219150K.-=-:.-R209lOKR2328.2KR23627K+C2363.3/O+R20668KC2064.713_:0001oR2OK1li lil(I)rJ2-RESETReHVOLS3leHVOL4VOL05VOLelK678INT9vee10lUMP11lUMP&RSWEL(7)PI)IUTIONomponentshaving specialcharacteristicsaremarked6andmustbeeplacedwithpartshavingspecificationsequaltothoseoriginallyinstalled.IIvoltages are measuredwitha10MQ/VDCelectricvoltmeter.chematicdiagramis subjecttochangewithoutnotice.14-.JLMN_EQ-630J21RESET2RCHVOLS3lCHVOL4VOL 05VOLClK6_-7_-18547546545544543542541540539-=51051f51251314)S1415) 51516) 516.-J3i1t-C-_I :;5-L-I5MPX.6C5LRlII7C5R8MUTING91/05WCLKI101/05WDATAI111105W5T,1-6-5- -J2/-r7I:n.RE5ET3.53RCHVOLCI4LCHVOL52.25VOLDATA4.4VOLCLK0i671.48.1.5iINT09-3.3a:10VCC,.I11LUMP012P0-0IuON89R40147KPLfPL2IF.,;8765IC405.-a:a:1234r:-.:lIIL_-_UIt)N.,.N.-Z401DDD.1JI-SKUKI6232AXi6047i60RearPanelI)tI;r.)L,.RP5GPK5501AIIAXi6047i70/I/IU,CPSGPK550B/IAXi6047i80/I/IA,BPSGPK550C/IAX:6047i90/I/IGPSGPK550D3XXi6942i90LegIlIIlSKL22754NXi6037i50FrontPanel7D/I-I*)L,.BlackP5GEQ630KJ/INXi6045i10/I/ITitanP5GWK540TA5AXi6048:00Front Grille7D/I-7I)L,.BlackPSGEQ630KJI/ICXi6093i50/I/ITitanPSGXEQ630TU6CBi6351i30Button,Power11Jl!iF-7/Black/IVFi6047i00/I/ITitan7XXi6942i30SpringI;r.PSUS338CXi6072i10ButtoniF-7/UP/DOWNBlackPSBCK85/ICXi6093:60/I/ITitanPSBCK8519CXi607220Button(A),Preset71)12.:;I-iF-7/(A)BlackPSBC55A/ICXi609370/I/I/ITitanPSBC55IA10CXi607230/I(B)/I/I(B)BlackPSBC56A/ICXi609380/I/I/ITitanPSBC56IAIICXi607240/I(C)/I/I(C)BlackPSBC57A/ICXi609390/I/I/ITitanPSBC51IA12CXi6072i50/I(D)/III(D)BlackPSBC58A/ICXi6094i00/I/IIITitanPSBC58IA13VDi3704i00Knob,Function/It:/7;7-;XTBS3+8JFZIN3Ei:33:00:86BindingHeadTapping Screw3x8FCRM3BI/1/,:$It:/7;7-;PACKXTB3+8JFZN4EK:09:30:201/3x8ZMC2Y(f;,ht;:7:t-:;(P7ff)XTB3+8GN5EKi03:00:40BWHeadTapping Screw3x20ZMC2YBWI,:$It:/7l-XTW3+20TN6AXi60:54:20Special Screw3x20ZMC2Y;7-XTBS3+20FIN7AXi60:59:80Special Screw:r-:;BlackSNE2129/IIAX:60:60:00IIIITitanSNEK2129Accessoriesit.-c00MX:60:04:80ACPowerCord11:J-rGSFDACOSE03XX:69i28i40IIIIBSFDACOSG02MX:60:10:00IIIICSJAI72MX:60i10iI0IIIIASJAI73MX:60:10:20IIIIUSJAI75ITMX:60iI0 :40IIIIRSJAI85MX:60i09:BOOutputCordtil1J:J-,SJPK2202PXi60i05:90RemoteControl TransmitterJE:J/7/A/:$-PRAKKIDryCellAA,R06.3,11:;t!l,*NewParts(*JtlmJo)ABcoEEQ-630REMOTECONTROLTRANSMITTER12t5D4D3D2*RLS73x4.-I-i/:.A1K44K481)-1r-+-+-K%5r-t-flC3W!-43X_K34,.-+-oJ(313K4j,.(I(./I5l-+-f-+-+-1241E2112111201Ii918Jn711161Ii51,41fi3IKI1KIOCCSKI/00KI/01 KI/02KI/03 KI/04KI/05K1106K1/071hP3pPD6122G-002KI2KI3KI4KI5KI6KI7REMVooSELOSCOOSCIVss4.lIlL4;L5;L6)17La;L9J!1lJIEJ-kDC1:.c100p100p+-b-BATT.z:z-;-C347/10VSE30ly,1/&012SC32650R1,1,2.0T.7o45o44o43D,HEXo40o41o42ooooooooooooooooDETACODEooKEYFUNCTIONNO.DoD1D2+-+-+-+-+-+-11-+-133PRESETI000+-+-+-+-+-+-11-