McIntosh-MAC4300V-rec-sm 维修电路原理图.pdf

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1、MAC 4300VAM/FM RECEIVERCONTENTSSection 7 - Control Logic. . .Remote ReceiverSwitching Logic-fEtrI RFl-Jt t-0 t-.Irtrtlr rVVVVVl( tv/re1l!ll!l 03 0IrI tooooooo, l g eglllclnloth MAc43oov REcEvEFPerformance Specifications .2-3Mechanical Views .3-4Notes .5Block Diagrams - AM/FM Tuner Section. 5-6Pre-am

2、p/Ampl if ier SectionSection Locations .7Section 1- lnterconnection Diagram . B-10AC Line lnoutFront Panel and Trim Parts List . 11lnstallation Hardware Parts List . 11Section 2 - Signal lnput. . 11 - 13lnput SwitchingPhono Pre-ampTape SwitchingSection 3 - Preamplifier. .14-17VolumeEqualizerLoud nes

3、s/BalancePreamp MutingSection 4 - PowerAmplifier .18-20DriverPower OutoutPower GuardSection 5 - AM Tuner. .21 -23Section 6 - FM Tuner .24-27Front EndMultiplexProgram lnput DisplayFrequency DisplaySection 11 - Tuning Voltage Regulator.39-41Signal DisplayStatus lndicatorslR SensorSection 12 - AM/FM Tu

4、ning Control .42-44Section 13 - Output Processing andPowerSupply .45-47Speaker lmpedance SwitchingSpeaker SwitchingLow Voltage RegulatorsSection 14 - Back-up Power Supply . 48Power RelayAlignment Procedure .49Repacking lnstructions. .S028-3331-33Section 8 - KeyboardsProgramTunerFunctionSection 9 -Se

5、ction 10I nput34-3536-38llltlnfusli s e rv i c e M a n u a IRadioFans.CN 收音机爱 好者资料库PerformanceSpecif icationsAMPLIFIER SECTION FM SECTIONSTEREO POWER OUTPUT USABLE SENSITIVITY100 watts into I ot- 4 ohm loads is the l3dBF which is 1.22uV across 75 ohmsminimum sine wave continuous averagepower output

6、per channel, from 20 to 50 dB SUIETING SENSITIVITY2OrO0OHz, with both channels operating. Mono 17dB which is 2.0uV across 75onmsPOWER BANDWIDTH Stereo 37dBF which is 20uV across 7520 to 20,000H2 ohmsTOTAL HARMONIC DISTORTION SIGNAL TO NOISE RATIOO.O2% maximum at any power level from Mono 75dB25O mi.

7、l.liwatts to rated power per channel , Stereo 70dB20 lo 20,0OOHz, both channels openating.FRESUENCY RESPONSEiNTERMODULATION DISTORTION Mono *0, -1.OdB from 20 Io 15kHzO.O2% maximum at any power level from Stereo +0, -1 .gdB f rom 20 to l SkHz25O milliwatts to rated power per channel,for any combinat

8、ion of frequencies from 20 HARMoNIC DISTORTIONIo 2O,000H2, with both channels operating. Mono O.Og% at 100H2O.O8% at lkFREOUENCY RESPONSE O,12% at 1Ok+0, -0.5d8 from 20 to 20,0001-lz at rated Stereo O.OB% at 100H2power. 0.08% at 1kO.120 at 10kINPUT SENSITIViTYphono z.smv produces rated output INTERM

9、ODULATION DISTORTIONTape, Aux 2S0mV produces rated output Mono oo8oPower- Amp 1.5V produces rated output Ster-eo o120/oSIGNAL TO NOISE RATIO, A-WEIGHTED CAPTURE RATIOPower Amp 1OOrJB below rated output 15dBTape, Aux 90dB below rated outputphono 8Odt with 10mV input ALTERNATE CHANNEL SELECTIVITY55dBM

10、AXIMUM INPUT SIGNALPhono 90mV SPURIOUS RESPONSEHigh level 9V loodBINPUT IMPEDANCE IMAGE RESPONSEPhono 47k ohms, 4TpF SodBTape, Aux 30k ohmspower Amp 22k or,m STEREO SEPARATION45dB at 100H2DAMpING FACTOR 50dB at l kcreater than 40 35dB at 1okTAPE OUTPUT SCA REJECTIONPhono 250mV with rated input 65dBT

11、ape 250mV with rated inputTuner O.BV at 1O modulation (FM)PROGRAM EOUALIZERt12dB at 30, .150, 500, 1500 and1 0,000H22RadioFans.CN 收音机爱 好者资料库AM SECTIONSENSITIVITY35uV (External Antenna)SIGNAL TO NOISE RATIO50dB at 30% modulation6OdB at lOOo modulationHARMONIC DISTORTIONO.5% maximum at 3O% modulation,

12、O.2% typicalFRESUENCY RESPONSE*O, -6d8, 2OHz Io 4,00OHzADJACENT CHANNEL SELECTIVITY40dB minimum, IHFIMAGE REJECTION65dB minimumIF REJECTION65dB minimumGENERAL INFORMATIONSEMICONDUCTOR COMPLEMENT118 Silicon Diodes7 Varactor Diodes41 Light Emitting Diodes4 Seven Segment LED Display96 Bipolar Transisto

13、rs45 Integrated CircuitsAC POWER OUTLETS4 Black, switched, l Red, unswitched,1000 watts, totalPOWER REOUIREMENTS12O volts, 5O/6OHz, 60 to 480 wattsWEIGHT34.5 pounds (15.6k9) net, 48.5 pounds(22kg) in shipping cartonlL A -lcauTtoN,o*r, vi I v?fi,f!.,*.llnvl IvSPEAKEBS 3CLCB6llllllllllffiSPEAKEBS 2CLC

14、RllllllllffiSPEKEAS cLcallqplllllllg)ffilllrlnfosh MAc43oov BEcETvEB.rlr.v vVCFfrAPE OUT,troF,VIOEO SELECTOR*Lo o8*,ro oR-#L F#IloLtrf*lolIIHHl-co oOoFig. 1 Rear viewMechanicalViews1431s(36.5 cm)Fig. 2 Top view18-e/ro (47.1 cm)6-i/r o (15.4 cm)III5-1lt(13.3 cm)- :-:-:-:-f!*l o o o o o o o o o El.l 3

15、tt 6 :!i il t8 d 9r :lo! v V o :l fllrlnlosh urcsoov nEcervrn *.1,.*EiffiFig. 3 Front viewSECTION 1PARTS LISTSymbol PartNo. No.CAPACITORSc1,c2 061276LIGHTING DEVICESDS1,D52 058101DS3 058078FUSESFl 089007178122RESISTORSRl 134427DescriptlonCD, .0047uF, 400V, UL/CSAINC, 12V, 150m4, FestoonLED, Red, SLP

16、144BFuse, SB, 54, 125V, MDL-sFuseholderPOT, Tuning47Ktsv -r5vRr5Rt7t5v -t5vt5v -t5vc2THERMISTORSRTf 144151 Thermister, 5 ohmSWITCHESSl,S2 153017 Thermal SwitchRAI,SFORMERST1IIONT PANELf,AR15 LISTSynrbolNo.159200 Power TransformerFLAT.vvoroo.gflANOOEDS3AND TRIMPart DescriptionNo.1O4O17 Felt Washer, K

17、nob046A12 Glass, Display046826 Front Panel018228 Handle, Front PanelO9O2O7 Knob, Balance090218 Knob, LoudnessO9O221 Knob, Equalizer (5)100119 Machine Screw, #1O x 7/9,Phtlips (For wood Sides)01?246 Pushbotton, Black01?268 Pushbutton, Red046809 Tuning Knob030196 Wood Side, Left, Secure W/100119Screws

18、030195 Wood Side, Right Secure W/10O119ScrewsJt2-toovT2 CONROLlOpFRt2-lzv zRt342V 22tARt4TAPE 2lliPurlO, FRil220XINfiI AI,I.AI ON HARDTAREPltI t.t5liynrlrol Part Description ,)e-5No. No.1701?4 Cable, 7 Pin DinI 70148 FM Dioole Antenna046823 Hardware Package017218 Plastic Feet, Secure W/1O0159Screws1

19、01016 Screw, #1O x 1-1/4, Slotted(To secure unit to a 1/2 shelf)101017 Screw, #1O x 1-1/2, Slotted(To secure unit to a 3/4 shelf)100159 Screw, #10 x 3/4, Phillips(For Plastc Feet) Jr2-6104033 Washer, #10, Flat (For use with101016 or 101017 Screw)r2+tCONfROLT t-)2l- -rv 22ilSignal lnputR2l.Rl62-211Si

20、gnal lnputc0 swrTcHPC BOARD O468t4INPUT SWITCHINGTUNERswTcHR3422MR35rooR36tooTUNERCONTROLL Jt-t4R J t-r5r,il-6RzZ2ZOKilo4:l )JFR2322ilroNlToRL J2-IR 2-4L 2.2R J2-3t2-4|5v i,5y#urz-zi* |-rsvffiJrz-li IlOr FRil220H-r2 CONTROLr-r I!2-tzv izyT2-,tf t-+2Rl4TAPE IOUTPUT-t5vTAPE 2I NPUT., NJ8* -.ov.ov I I

21、-RllTROL-t2v ;2i1112TAPE 2OUTPUTL Jr-tR Jr-rL IJl- R IJl-0L JI.IR ,rl.tL J8TRlt.lINPUT SWITCHING PCB 046814SECTION 2PARTS LISTSymbol Part DescriptlonNo. No.DIODESDf-010 O7OO47 SIG,75V, 150mA, 1N4148Dl1 070003 Ge, SIG, 45V, 10m4, 1N541Dl2-D15 070047 SIG, 75V, 150m4, 1N4148TNTEGRATED CIRCUITSICI 13309

22、4 Dual Operational Amp, NE5532NTRATSISIORSo1-017 132193 N, JFET, 2N439213PreamplfierR52.2RPC BOARD 046918LOUDNESSPC BOARD 046918EOUALI ZERnerRr8470K6oxr.o!3ffillfiffilncfnssnreGND i,J2-3MONO swtfcHc4470J4HEADPHONESR94.714Rt9470KR43680R38680R40t00Kc25lO/FNP,? -52-J2-tlalctVOLUiE CONTROLt4t35863tO215P

23、C BOARD 0469t8EOUALI ZERlGll-lncrR54oox R57R22470KC4O .Zz PREAMP otfR PRE OUT- PREAMPK ourR6rooK6xInzc |IupNE-FlOUTPUTMUTEEIfEl nssl-Elnsolil ncoR4A6AOl.sx-IilnsrasoC4t t22R674,7Mct7.0336EOR43680R38680c50roo- r5vR23K5roox4-t5vR5Sc44R69470R62tooKc t415cl6.o33J2- 416SECTION 3PARTS LISTSymbolNo.DIODESD

24、1D2INTEGRATEDIC1tc2IC3-IC6tc7TRAT.ISISTORS8102, 0503, 04o607, gBRESISTORSR24, R35R36, R4lR46, R51R56MISCELLANEOIJSJ4 117340 Headphone JackIC1Part DescriptionNo.070085 zN, 6.2V, 5%, 500mw, 1N52348O70O47 SIG, 75V, 150m4, 1N4148CIRCUITS133132 CMOS, Volume Control, TC9153P133094 DuaI Operational Amp, NE

25、5532N133028 Dual Hi-Speed OperationalAmp, MC4558CP1133094 Dual Operational Amp, NE5532N132193 N, JFET, 2N4392132223 PNP, MPS4126132223 NPN, MPS4124132223 NPN, MPS4124t32222 N, FET, J108134397 POT, Balance/Loudness134316 POT, 100K ohm/100K ohm,Equalizer134316 POT, 1OOK ohm/1OOK ohm,Equalizer13431 6 P

26、OT, 100K ohm/100K ohm,EqualizerPreamplifierLOUDNESS PCB 046918 Affir50 500 t500EQUALIZER PCB 046918 Bo2-o617PowerAmplifierSECTION 4PARS LISTSymbol PartNo. No.DIODESD,ID2D3-D8D9, Dl 0LIGHT DEPENDENT RESISTORSLDRI 144179 LDR. VTLsC9Description070085 zN, 6,2V, 5%, 500mw, 1N52348070098 SIG, 175V, 500mW,

27、 FDH400O7OO47 SIG, 75V, 150mA, 1N4148070131 RECT, 400V,tA, 1N4004ffil*ru-f lJ.82O,821ANODE,-4,:/LDRlQ1 ,83,85,Q7e9-o11,815,816TRANSISTORS01,83 132223a2 13223604,06 13223505 132223o7,89 132224oB 132235o10 13222301 1 132224412 132233o13 132236814 132234o15 132223016 132224ot 7 132231418 t32232o19 1322

28、33o20 132189o21 132188rYII./uu82,84,8688,81 3NPN, MPS4124PNP,254970-BLNPN, 2SC2240-8LNPN, MPS41 24PNP, MPS4126NPN, 25C2240-BLNPN, MP54124PNP, MPS4126NPN,2SC3423PNP,2S4970-BLPNP, 2541360NPN, MPS4124PNP, MPS4126NPN, 25C32988-0PNP,2S413068-0NPN, 2SC3423PNPNPNPOWER AMPLIFIER PCB 046802 APCB 046802 B1881

29、 2,81 4,819*ffioPC BOARD 046802 APOWER AMPLIFIERRI560lct tonFR34.7K! c? 287.* orrEnrro, ?Q4 AMP3,3K _L cs-6v S RleCURRE NIsouRcE tl- cs_5?v 1.,.,I-4R,l-toLPC BOARD 046802 Bf*AD.,UST gIASTO 7- TOmVDCAT NORMAL IDLEHEAT SINKTEHPE RATURE1920AM Tuner+BOARD 0468tOTUNERJ5-t2rv R-21czt.2JtFR25tooK15 12 13 l

30、l 14 t6 17 lA 19 ?O47O tlFIFINJECTIOIil_.g:lIT4R30roocil,o47ct4.o47Rr9rooRt74.7K2122AM Tuner,m,D1-D5AM TUNERPORTION OFPCB 046811SECTION 5PARTS LISTSymbol PartNo. No.CAPACITORSc8, c19 060027cz:t 060027DIODESDl,D3 O7OO47D2,D4 O7O125D5 070125FILTERSFNl 180035TRAI.ISISTORSo1 132223a2 132t9303 13222084,0

31、6 13222305 t32224TRANSFORMERST1T2T3T4T5DescriptionTrimmer, 2-1OpFrimmer, 2-1OpFSIG,75V,150m4,1N4148vAc, AM, SVC333vAc, AM, SVC333Filter, CER, 455kHzffiQ1 ,84-86ffia2ffiINTEGRATED CIRCUITSICl 133105 Dual Hi-Speed OperationalMC3458PlICz 133145 AM Tuner. MC13041PAmprc1NPN, MPS4124N, JFET, 2N4392P, FET,

32、 J176NPN, MPS4124PNP, MPS4126162115 AM Oscillator162113 AM-IF Matching1621l? AM-RF (Primary)162116 AM-RF (Secondary)162113 AM-IF Matchlno(Only Seclion 5 Parts Symbol Numbred)AM/FM TUNER PCB 046811rc2o323FM Tuner(Only Secton 6 Parts Symbol Numbered)FM TUNERPORTION OFPCB 046811mm.-BEY-fDEEoooooooooooo

33、ooIC3,IC5fil;ll-l.rgSECTION 6PARTS LISTSymbolNo.DIODESDl JD2D3D4D5-D7D8D9, D1 3FILTERSFNl , FN2FN3, FN4TNTEGRATEDIC1rczIC3IC4ILJTRAllsISTORS01 132205Q2,83 13222304 13218105 132224TRASFORMERS162114162103162102N, MOSFET DualNPN, MC4i24NPN, MPSHt0PNP, MC4126FM MixerFM DiscriminatorFM DiscriminatorGate,

34、 MFE521(Secondary )( Primary )Part DescriptionNo.070003 Ge, SIG, 45V, 10m4, 1N541o7o122 VAC, Matched, Selected SVC21iO7OO47 SIG, 75V, 150m4, 1N4148O7O122 VAC Matched Selected SVC21 1070130 zN, 8,2V, 5%, 500mW, 1N5237O7OO47 SIG, 75V, 150m4, 1N414818OO24 Filter, CER, 10.64-10.76MH2,Color Coded, SFE10.

35、7180028 Filter, LC, Low Pass,MultiplexCIRCUITS133129 RF Mixer, IF, LA1l 70133056 MPX-PLL Demodulator,TCA4500A133028 DuaI Hi-Speed OpenationalAmp, M4558CP1133110 FM-IF System, L41235133131 Operational Amp, MC34081PQ1T,If2T3JFllP-;,. l-.af*l-;- ffiQl- F-l ttlt .El 7rfi3/r+qgr+ I - lALiAr+HHHHWt-HffioY

36、-t-olsP2AM/FM TUNER PCB 046811ANODEHNfficatttoDED3, D5-7:#.*, l, qo r-rffio Hocgt-:*t-reH-f0*mHus$oHHfrHAA G.-,-oHeH-.-I224Q4Control LogicCONTROL LOGICPORTION OFPCB 046827(Only Section 7 Parts Symbol Numbered)POWER SUPPLY/LOGC PCB 046827PC BOARD 046806 APROGRAM KEYEOARDPROGRAM KEYBOARD PCB 046806 A3

37、1SECTION 7PARTS LTSTSymbol Part DescriptionNo. No.DIODESDl-Dl4 07OO47 SIG, 75V, 150m4, 1N4148INTEGRATED CIRCUITS133053 CMOS, Dual Type-DMC1 401 3AL133073 CMOS, Quad 2-InputMC1 407r Brc3IL4larc6IC7,IC8IC9133076 CMOS, Suad 2-Input AND Gate,MCl 4081 B133053 CMOS, Dual Type-D F-F,MCl 401 3AL133143 6-Cha

38、nnel Switch, TCgl35P133136 Ouad 2-Input Exclusive ORGate, HEF40708PN133063 CMOS, Suad 2-Input NANDGate, MC140118133053 CMOS, Dual Type-D F-F,MC1401 3ALICs,IC1 2,rC13J6-7,J5-7J6-8 ,i5-a J6-9TRAI.ISISTORS01 132090G2,84 132056CMOS, Quad 2-Input AND GateMC1 4081 BOMOS, Remote Control ReceiverTC9150P6-In

39、put Strobed DrIver,LBl 760Quad Cyclic Swltch, TCg130PNPN, DAR, Selected MPSA14PNP, 2N5087IC10ICl 1tcl2IC1 31 330761 331 331 331 3713314283,85 13222306-08 13205609 13209081 0, 8t 1 1 32056412 132223013,014 132056o15 132223016-018 132224019,O20 132223NPN, MPS4124PNP, 2N5087NPN, DAR, Selected MPSA14PNP

40、, 2N5087NPN, MPS4124PNP, 2M5087NPN, MPS4124PNP, MPS4t26NPN, MPS4.1 24ffi81-Q20rc1tc2F-F OR Gate,IC1 -IC4,rc6-rc10J6-5 J5-3PC BOARD 046806 BTUNER KEYBOARDPC BOARD 046808FUNCTION KEYEOARDJ6-4J5-4J6-5IC11J6-tO .r5-tO J6-il J5-lt7-tzJ6-6 J5-6KeyboardsTUNER KEYBOARD PCB 046806 BSECTION 8PARTS LISTSymboIN

41、o.SWITCHESs1 -s28Part DescriptionNo.150052 Pushbutton Momentary32FUNCTION KEYBOARD PCB 04680833Power DisplayUI-tt-I2-ots0EIIIIIIIIIIIIIIIIIIIIIIztodao.!IIIIIIIII,J4 -9RzrlryII f;-IryR4rl R6ryl R7.3 4.7K3.6Vt3I:t. IIry I .,IJG - -: - L* 96 e 9F-o0tO03940TUNING VOLTAGREGULATOFPORTION OFPCB 046906I3FF-

42、 li:?.,.;:.effij._:i-l:-rtl;1-:ruflrH,Ag?O(Only Section 11 Parts Symbol Numbered)s!eCONTROL/DISPLAY PCB 046906SECTION 11PARTS LISTSymbol Part DescriptionNo. No,DIODESDl , D2 O7OO47 SIG, 75V, 150mA, 1N41 48LIGHING DEVICESDS1-DSg 058078 LED, Red, SLP144BDS10 070115 LED, Red Bar, AND205RDS11 045600 LED

43、, 1o-Segment Bar on pCBDS12-DS14 058083 LED, Red Triangle, AND20ZRINTEGRATED CIRCUITSICI 133104 Tuning Voltage RegulatorL45700ICz 133118 Level Display Driver LB1411FLATANODEDS1 -DS9TRASISTORS01 132224a2 13222303 132182Q4 132220SENSORS121002PNP, MPS4126NPN, MPS4124PNP, DAR, MPSA64P, FET, J176Sensor,

44、IRrrrrx*-8DS1 ODS1 2-DS1 4ffiDS1 1IC1IC201 -038441AM/FM TuningGontrol.- _ Bm .1.-.r-. .i! Saat- r- q i Srggn=TI SffiF -i-95 =-r:,*81 _-$itFnd i - . dlffimuffi-ffiffliAM/FMTUNING CONTROLPORTION OFPCB 046906(Only Section 12 Parts Symbol Numbered)Part DescriptionNo.O7OO47 SIG, 75V, 150mA, 1N4148CIRCUIT

45、S133105 Dual Hi-Speed OperationalMC3458P1133103 Tuning Control, LC72O7132235 NPN, 2SC2240-BL132223 NPN, MPS4124144180 Resistors NetworkAmpffiffiCONTROL/DISPLAY PCB 046906SECTION 12PARTS LTSTSymbolNo.DIODESD1 -D4INTEGRATEDIC1rczTRAI.SISTORSo102, 03RESTSTORSR1642O1a2-83AM/FM Tuning ControlrRrrooxMANUA

46、LTUNTNG cwrU2z-0=ztsPC BOARD 046906AM/FM TUNING CONTROL9V gvMN. .3VauTo 3.6v5.6V 9VevlR73.3KcwR4toKo* f -.0* roAOJUSTt.2-avR25KRI33Kt.2 -av3.5- 24VNCNC9VR2r6X 47KqRr52.2t-iO=:-Fe1=:lEIIRil9tK=2. o068ztstsogoorqp4 rs jlt-tsrB upori ltil coRRECItON rNII3 DEV INMUTE 22AFL OUT ?38V REF 242627282917 ENIE

47、Rt6 MAt15 SCAN DOWN6 AM SEL5 FM SELSTAT 6 37STAT 5 38STAT 4 39STAT 3 40STAT 2 4ISTAT I 42MAN )tNDtcToR -3 STANDBY2 MUTING PULSEI CLOCK.47 NCt.2 -8V4344Output Processingand Power SupplyA POWER SUPPLY91 ?:-o-?JrrNPrycqdiF-F11?laJGi.l.oPor-rHHEevE!JP111;, It:?:-?Gq-!JeY-l-JSPKR CoH ;/ SP5-7T82,3,4C82,3

48、,4C,r*, ao* l arr-,36 AWotttJ4-3,r 5- |,l -3IJ I.2Rto6.8KR96.AKc2:33OOF rvv=42 YAC zSP2-lSPKR 2 SPKR 3RELAY RELAYDRIVER DRIVER4546OUTPUT PROCESSINGAND POWER SUPPLYPORTION OFPCB 04827SECTION 13PARTS LISTSymbol PartNo. No.CAPACITORSc7,c8 066393DIODES01 ,D2 07013lD3 070a47D4-O7 070133D8 070131D9 070114

49、D10-D15 070047DescrlptlonELECT, 12,000uF, 63VRECT, 400V, 1A, IN4004SIG, 75V, 150mA, 1N4148RECI, 200v, 6A, M7C5RECT,400v,1A,1N4004zN,16V,5%,500mWSIG, 75V, 150m4, 1N4148FttsEsF1174198INTEGRATED CIRCUITSrc1 1331081C2 133086IC3 133087RELAYSK1-K4 087043Fuse, 36 gaugeWine+5V Regulator,+15V Regulator,-15V

50、Regulator,DPDT, 24VDCTinned CopperMC7B05CTMC781 5CTMC791 sCTOutput Processngand Power Supply(Only Section l3 Parls Symbol Numberd)POWER SUPPLY/LOGIC PCB 046827-,-:mrc1 ,rczdblrtIC347c2s2Back-upPower SupplyBACK.UP POWER SUPPLY PCB 046891SECTION 14PARTS LISTSymbol PartNo. No.DIODESD1,D7 O7OO4?D2-O6 07