Pioneer KE-81ZBM BMW Car Stereo SM 电路图.pdf

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1、Service cHanual Cl!)PIONEER Thefutureofsoundandvision. a |mis_ O QZ)(ZDE (TIT) (Z3IZIZ 1=1 d Oi BMWANTI-THEFTRADIO KE81zbm- ORDERNO. CRT1150 US Note : SeetheseparatemanualCX-156(CRT-468)forthecassettemechanismdescription. Dolbyandthedouble-DsymbolaretrademarksofDolbyLaboratoriesLicensingCorporation.

2、 NoiseReductionSystemmanufacturedunderlicensefromDolbyLaboratoriesLicensingCorporation. BMWNo.88 881600155 CONTENTS 1.ANTI-THEFT 1 2.USINGTHETAPEDECK 1 3.USINGTHERADIO3 4.DISASSEMBLY4 5.ADJUSTMENT5 6.SCHEMATICCIRCUITDIAGRAM 16 7.CONNECTIONDIAGRAM 20 8.CASSETTEMECHANISMEXPLODEDVIEW 24 9.CABINETEXPLOD

3、EDVIEW .28 10.CHASSISEXPLODEDVIEW 31 11.ELECTRICALPARTSLIST 34 12.PACKINGMETHOD 38 SPECIFICATIONS TUNER FMReceiver UsableSensitivity(Load) 30dB(N-hD)/(S -1-N-FD)1 1pV Signal/NoiseRatio(1mV) 65dB OverloadSignal 1V AMRejection 40dB IFRejection 100dB ImageRejection 50dB SpuriousRejection 70dB Alternate

4、ChannelSelectivity 60dB CaptureRatio 2dB StereoSeparation(1kHz) 40dB StereoDistortion(1mv) 0.5% FrequencyRange 87.9to107.9MHz IntermediateFrequency 10.7MHz AMReceiver UsableSensitivity 20dBN/(S-FN) IOjlV Signal/NoiseRatio(5mV) 50dB Selectivity(10kHz) lOqdB IFRejection 100dB ImageRejection 60dB Disto

5、rtion(5mVRF) 0.5% FrequencyRange 530to1620kHz IntermediateFrequency 450kHz WBReceiver UsableSensitivity(Load) 20dB(S-FN)/(S-l-N-FD) 0.3iV Signal/NoiseRatio(1mV) 55dB Distortion 1.5% FrequencyRange162.400to162.550MHz IntermediateFrequency 1stI.F (25kHzStep) 10.7MHz 2ndI.F 450kHz CassetteDeck WowandFl

6、utterWRMS-JIS 0.07% Signal/NoiseRatio 50dB DolbyNREffect lOdB Separation50dB CrossTalk 55dB Distortion1% FrequencyResponse(3dB) Normal 40Hzto15kHz Metal 40Hzto18kHz AudioControi ToneControlResponse TrebleBoost/Cut10kHz 10dB BassBoost/Cut100Hz 10dB PowerAmplifier PowerCutput(Rl=4Q,Vcc=14.4V) 10%THD16

7、W/Ch 1%THD13W/Ch THD(Rl=4Q.Vcc=14.4V) Po1W0.07% FrequencyResponse (3dB)20Hzto40kHz Signal/NoiseRatio65dB NOTE:Specificationsaresubjecttochangewithoutnotice. PIONEERELECTRONICCORPORATION 4-1,Meguro1-Chome,Meguro-ku,Tokyo153,Japan PIONEERELECTRONICSSERVICEINC. P.O.Box1760,LongBeach,California90801U.S.

8、A. PIONEERELECTRONICSOFCANADA,INC. 505CochraneDrive,Markham,OntarioL3R 8E3 Canada PIONEERELECTRONICEUROPEN.V. Keetberglaan1,2740Beveren,Belgium PIONEERELECTRONICSAUSTRALIAPTY.LTD. 178-184BoundaryRoad,Braeside,Victoria3195,AustraliaTEL:03580-9911 FDFEB.1988Printed inJapart RadioFans.CN 收音机爱 好者资料库 KE8

9、1ZBM-OS 1.ANTI-THEFT TheBMWanti-theftradiocircuitryisdesignedtoessentiallyrenderyourradiounsaleable ifitisstolen.Iftheradioissubse- quentlyelectricallyreconnected,itwillnotoperateuntilafive-digitsecuritycodeassignedtoyourradioisentered.Theanti-theft featuresandoperationareasfollows: 1.Aftertheigniti

10、onkeyisremoved,thered“anti-theft”LEDwillcontinuouslyflash,drawingattentionto thisfeature. 2.Shouldanyone,suchas athief,touchanypushbuttonontheradioafterthekeyisremoved,theanti-theftInscription will flashandawarningtonewillsoundfor5minutesoruntiltheignitionisturnedon. 3.Ifthevoltagesuppliedtotheradio

11、dropsbelowapresetvalueduetoaweakenedbattery,repairwork,orremovaloftheradio (byathief),theradiowillbeinoperativeoncevoltageisrestored.Thisconditionwillbeindicatedbytheword“code”being shownonthedisplay. 4.Theproper5digitcodeshownontheTWOCARDSSUPPLIEDTOYOUmustthenbeentered(usingthepropernumber radiopus

12、hbuttonselectors)whentheradioIsonandthedisplayshows“code”.IfthecorrectcodeisnotenteredInthreesuc- cessivetries,theradiowillnotacceptentryuntiltheradiohasbeenleftonforonehourwiththeignitionon. IMPORTANT:Whenenteringthe5digitcodenumber,besuretocompletesequencenumberingofthat5digitcode.For example:Code

13、No.sequenceIs43215andyoumistakenlyenter42Insteadof43,continuethecodenumbersequenceof 215tocompletethatentry.Inthiscase,a“beep”willsoundtosignalinputofthe5-dlgitcode,theword“code”willremainon thedisplay,andtheradiowillnotoperate.Re-enterthecorrectnumbersequenceof43215andoperationoftheradiowill contin

14、ue.Thelikelihood ofguessingthecorrectcodeisextremelyremote.TheradioIs,therefore,unsaleabletoathief. NOTE:Ifanaudiblebeepisheardwhileenteringthe5-dlgitcode,STOPimmediately!Beginenteringthecodeagain,start- ingwiththefirstnumberofthe5-digltcode. 5.Thecodecardshouldbeplacedinyourwallet,orwiththevehiclet

15、itlepapersforsecurityasdeemednecessarybyyourindi- vidualneeds.Donotleaveyourcodecardsinvehicle. 6.Shouldradioorelectricalrepairsbecomenecessary,pleasegive therepairingfacilitytheradiocodenumber. Ifyoudonot, onlyauthorizedBMWdealerpersonnelcanobtain thecodefromBMW. 7.Shouldyouloseyourcodecards,contac

16、tthenearestBMWdealerwhowillthenobtainyourcodefromBMW.Youma/be chargedforremovaloftheradiotoascertaintheradiochassisnumber. 8.WARNING:FORYOURPROTECTION,CODESWILLNOTBEGIVENOUTTOANYONEUNDERANYCIRCUMSTANCES OTHERTHANAUTHORIZEDBMWDEALERPERSONNELAFTERPROOFOFVEHICLEOWNERSHIPANDPROPER IDENTIFICATIONISESTABL

17、ISHED. 2.USINGTHETAPEDECK 4TAPE UPSEEK LIQUIDCRYSTALDISPLAY FASTFORWARD t | (DolbyNoiseReduction) MTL(Metal) SB(SkipBlank) FASTREWINDII CLEAN(Maintenance) ANTI-THEFTINDICATOR TAPEDOWNSEEK Program ON/OFFVOLUME PUSHprogram 3.EJECT 4.SKIPBLANK 5.DOLBYNR BASSTREBLE BOOST*-BOOST CUTCUT 1 RadioFans.CN 收音机

18、爱 好者资料库 KE-BIZBM-O: 1.CASSETTEOPERATION Tousethecassette,theradiomustbein“ON”position. Insertingatapecassetteautomaticallyswitchestheunit anddualfunctioncontrolsfromtheradiotothetapemode. 2.LOGICCONTROL Thisradioutilizeslogiccircuitrythatautomaticallydeter- minesthecorrectdirectionforfastforwardandr

19、ewind.A standardcassettehastwosidesthatareplayedineither direction.Whenacassetteisplaying,thetopsidewillbe indicatedonthedisplayasprogram“SIDE1 thebottom sidewillbeprogram“SIDE 2”. 3.FASTFORWARD/REWIND TAPESEEK Thefastforward/rewindleveremploys2-stepoperation. Raisingtheleveronestepisusedforfastforw

20、ard, while loweringtheleveronestepisusedforfastrewind.Fast forward/rewindcanbecancelledbyraisingorlowering theleveragainonestep.Raisingorloweringthefastfor- ward/rewindlevertwosteps(asfarasItwillgo)activates thetapeseekoperation.“SEEK”willappearontheLiquid CrystalDisplay.Raisingtheleverautomatically

21、movesthe tapetothenextselectiononthetapeforplayback.Lower- ingtheleverreturnsthetapetothebeginningofthecur- rentselectionforplayback. Tape“SEEK”willonlyfunctionIffoursecondsofsilence existbetweenselections.However,excessiverecord playerstylusnoise,duetodustorscratchesontherecord onhome-recordedtapes

22、mayinterferewiththesefunc- tions. Thecassetteautomaticallyejectsfromtheunit iftape settingoperationscannotbecompletedwithina fewsec- onds.Thismaybecausedbyafaultyordamagedcas- sette.Determinethecauseoftheproblemorusea differentcassette. 4.PROGRAM Pressthevolumeknobtoreversethecurrentdirectionof tape

23、transport.Thetapewillautomaticallyreversewhen theendofeithersideisreached. 5.DOLBYNOISEREDUCTION DolbyNoiseReductionreducesthelevelof“tapehiss” inherentincassettesby“encoding”thetape.Useofthe DolbyNRfunctionwithnon-DolbyNRtapeswilldecrease highfrequencyresponse.BynotusingtheDolbyNRfunc- tionwithDolb

24、yNRencodedtapes,thehighfrequency responsewillbeintensified.Thesymbol “ ”willappear onthedisplaywhentheDolbyNRbuttonispressed. 6.TAPEEJECT (T1I Presstheeject(EJ)buttontoejecttapecassetteand returntotheradiomode. 7.AUTOMATICEQUALIZATION TheplaybackequalizationofNORMALtapesdiffersfrom CHROME(CrOg),andM

25、ETALtapes.Whenahighbiased tape(includingmetal)IsInserted,theunitwillautomati- callychangetothecorrectequalizationleveland“MTL” willbeIndicatedontheliquidcrystaldisplay. 8.SKIPBLANK(SB)(Tli) Theskipblankfunctioncausestheunit toautomatically advancethetapetothenextrecordedportionwhena blanksectionofta

26、peexceedsapproximately12seconds. WhenalongunrecordedportionIsdetectedattheendofa tape,theunitadvancesthetapetotheendand then switchestotheothersideofthetape.Theindicator“SB” appearsonthedisplaywhentheskipblank(SB)button is pressed.Additionally“SEEK”willbedisplayedwhile the tapeisautomaticallyadvance

27、dduringskipblankopera- tion. 9.IGNITION“KEYOFF”PAUSE Whentheignitionisturnedoffwhileatapeisplaying,the cartridgewillautomaticallyenterthepausemode (pinch rollerrelease).WhentheignitionIsturnedontheunit will returntothenormalplaymode.Whenthe unitisinthe pausemodeitwillnotacceptanothercassette. 10. AU

28、TOMATICTAPESLACKCANCELLER(ATSC) Theautomatictapeslackcancellerremovesanyslackin thecassettetapebeforeplaytoprotectandextendthe life ofyourtapes. 11.ROTATINGTAPEHEAD Therotatingtapeheadinyourtapecassette player ensuresaccuratehorizontaltapealignmentinboth direc- tionsforoptimumsoundlevelreproductiona

29、ndfrequency response. NOTE: YourBMWANTI-THEFTRadiocontainsafulllogiccomputer controlled3-motordrivewhichcontrolstheautomaticpe slackcanceller(ATSC) androtatingtapeheadmechanism. Duringcassettetapeloading/unloadingortape transport directionalchangestheoperationofthemotordriveernitsan audible“precisio

30、nlike”mechanicalsoundwhich indicates normaltapecassetteplayeroperation. 2 RadioFans.CN 收音机爱 好者资料库 KE-B1ZBM-OS I 3.USINGTHERADIO UPMANUALTUNINGj I DOWNMANUALTUNING( UPSEEKTUNING ANTI-THEFTINDICATOR BANDSELECTOR DOWNSEEKTUNING p aM FMWB | LIQUIDCRYSTALDISPLAY STATIONFREQUENCY AM/FM/WB(WeatherBand) ST(

31、Stereo) 5AMand5FM WITHLEDINDICATION 1.AM/FM/WB(WeatherBand) Pressingthe)buttoncauses“AM”,“FM”or“WB”to appearonthedisplay.Thecurrentlytunedfrequencyis alsodisplayedwhenAMorFMisselected.“WB”indicates thattheWBbandisselected,andaweatherbroadcast frequencyisautomaticallytunedwithoutdisplayofthe frequenc

32、y.A“beep”soundsiftherearenoweatherband broadcastsavailableforreception.Manualtuningand seektuningoperationsusingthe tuninglevercanbe employedtochangetoafrequencyotherthantheone automaticallytuned. 2.MANUAL/SEEKTUNING Thetuningleveremploys2-stepoperation.Raisingor loweringtheleveronestepisusedformanu

33、altuning. Raisingtheleverincreasesthefrequency,whilelowering theleverdecreasesthefrequency.Raisingorlowering thetuninglevertwosteps(asfarasitwillgo)activatesthe seektuningoperation.Raisingtheleverautomatically tunesandlocksontothenexthigherreceivablebroad- castfrequency,whileloweringthelevertunesand

34、locks ontothenextlowerreceivablebroadcastfrequency. 3.SCANTUNING Whenthe(on/off)volumecontrolknobIspressed,scann- ingbeginsupscalefromstationtostation,pausingseven secondsateachmediumtostrongfrequency.Scanning stopswhenthevolumeknobispressedagainduringthe sevensecondpause. 4.STEREO Whenastereostatio

35、nisreceived,the“ST”indicatorwill lightuponthedisplay.Itwillflashwhenthesignalstrength diminishes. 5.AUTOMATICLOCAL/ DISTANCESWITCHING Newelectroniccircuitryautomaticallyselectsthelocalor distancemodeforthebestreceptionandeliminatesthe needformanualswitching. 6.FMRECEPTION FMreceptionwilloccasionally

36、exhibithissingandflutter- ingnoisesduetosignalreflectionsorblockagebyhillsor tallbuildings.FMsignalsstrengthdiminishesrapidlyafter approximately25milesfromthetransmitter. 7.PROGRAMMINGORRE-PROGRAMMING PRESETRADIOSTATIONS A.Tuneinthedesiredradiostation. B.Pushthedesiredpresetstationselectionfor1.5sec

37、- ondsandanaudible“beep”willsoundindicatingthat thefrequencyhasbeenmemorized. C.Repeatthisprocedurefortheremainingpresetstation selectorsonboththeAMandFMbands. 8.PRESETSTATIONINDICATORS EachofthepresetbuttonshasItsownbuilt-inLED. Pressingapresetbuttoncausesthecolorofthecorre- spondingLEDtochangefrom

38、orangetogreentoindicate selectionofthatpresetfrequency. NOTE; Theradioprogrammingcontrolshavedualfunctions.Each buttoncanbesettooneAMandoneFMstation. 3 KE-B1ZBM-OS 4.DISASSEMBLY Case 1.Insertandturnaflatscrewdrivertoremovecase. 2.Raisecasetoremove. Fig.1 CassetteMechanismAssy 1. Removefourscrews,dis

39、connectconnector,and thenraisecassettemechanismassytoremove. Fig.2 GrilleAssy 1.Insertascrewdriverandturn itinthearrowdirec- tion,thentwoconnectorcatchescomeoffandthe flexiblecircuitboardcanbe removed. 2.Removethreeknobs,andremovetwoscrews. 3.Presstabsattwolocations indicatedbyarrows, andpulloutgril

40、leassy. Fig.3 ChassisUnit 1.Removefourscrews. 2.Unbendtabsatlocationindicatedbyarrow. 3.Raiseupontunerampunittoremoveitfromchas- sisunit. Fig.4 A KE-B1ZBM-OS 5.1DOLBYNRLEVELADJUSTMENT NaCassetteTape AdjustingPointAdjustment Method (SwitchPosition) 1 NCT-150(400Hz,200nwb/m) VR251(Lch).VR252(Rch)mVMet

41、er(1):300mVIdB (300mV=-8.24dBs) (DOLBY NRSwitch:0FF) 5.2AMADJUSTMENT NaAMSSG(400Hz,30%) Displayed Frequency (kHz) Adjusting Point AdjustmentMethod (SwitchPosition) Frequency(kHz)Level(dB) Tun- ing Volt 11.620 DCVMeter:Lessthan8.5V 2530 DCVMeter:Morethan0.8V Tra- cki- ng 160020600 T203.T204. T206.T20

42、7 mVMeter(2):Maximum 2600 1.000 1.400 35 j 600 1.000 1.400 Thedifferencebetweenthe maximumandminimumoutput levelsat600kHz , 1.000k- Hzand1.400kHzmustbe 6dBorless. 5.4WBADJUSTMENT NaFMSSG(400Hz.l0O%) Displayed Frequency (MHz) Adjusting Point AdjustmentMethod (SwitchPosition) Frequency(MHz)Level(dB) 1

43、 L803FrequencyCounter: 151.775MHz NOTE:AfteradjustingL803. disconnectfrequency counter 2162.40060 NBVolume control knob mVMeter(2):10dBs 3162.40060 mL808DistortionMeter:Minimum 4162.40060 WBL807Distortion MeteriMinimum 5RepeatNo.3.4alternatelyso thatthedistortionmeterindicates minimum. 6162.475 10-1

44、5WBL801.L802mVMeter(2).Maximum 7162.475 10-15WBL804mV Meter(2):Maximum 8IfL804isadjustedmorethanonequarterturn.repeatNo.1. 9RepeatNo.6.7alternatelysothatthemVmeter(2) indicatesmaximumoutput. 5.3FMADJUSTMENT StereoMOD.:lkHz,L+R=90%.Pilot=10% NaFMSSG(400Hz.l00%)Displayed Frequency (MHz) Adjusting Poin

45、t AdjustmentMethod (SwitchPosition) Frequency(MHz)Level(dB) IF198.1 Unmodulated 6098.1 T51CenterMeter:0 Tra- cki- ng 1107.910107.9 L3DCVMeter:7.0V0.1V 287.91087.9 DCVMeter:Morethan1.5V 390.11090.1 L1.L2mVMeter(2):Maximum 98.11098.1 T2mVMeter(2):Maximum MPX j 1 98.15K6098.1VRIOImVMeter(2) : Bestsepar

46、ation ARC1m.m3598.1 VR51mVMeter(2):Separation5dB 6 7 vss :-81ZBM-f A9CSIGNALARC NOISE AdiMETER timeoutin 10 KE-B1ZBM-OS AN6540 M51522AL PA3019 LC7580 PA3019(DeckDriver)PinFunction PinNo. PinNameI/O FunctionandOperation 1INJ InputPowersupplyforinternallogic (1L). 2RIN1 InputInputterminalforRelayTable

47、RotationSensor(MR1) signal. 3RIN2 InputInputterminalforRelayTableRotationSensor(MR2) signal. 4RP1 OutputWaveformoutputofRelaySensorInput 1(2Pin)signal. 5RP2 OutputWaveformoutputofRelaySensorInput2(3Pin) signal. 6INGND - GNDterminalofsmall-signalseries. 7 10Input Logicinputterminalformotorcontrol ,8

48、11Input 9 12Input 10STBY1 InputStandbycontrol.Atactive“L(0.7Vorless),the1Ccurrent isswitchedOFF, 11STBY2 InputStandbycontrol.AtactiveH”(3.5Vormore), the1Ccurrent isswitchedOFF. 12MSIN InputAmplifierinput(invertedinput)terminalforMusicSensing(MS). 13MSNF I/OOutputoftheMSamplifierandinputoftheMSSchmit

49、tcircuit. 14MSOUTOutput OutputofSchmittcircuitforMS.MSOUToutputsapulsewhenthesignalleveloftheMSNF terminalexceedsOdBmorentersOPENstaturswhenItis0dBmorless. 15Ml Output+terminaldriveoutputofmotorMl fortheheadtabledrive. 16MC OutputDriveoutputofthecommonterminalofmotorsMlandM2. 17M2 Output+terminaldriceoutputofdrivemotorM2oftheFF/REWselectinggear. 18OUTGND - GNDterminalofthemotordrivecircuit. 19CMH OutputH(+)terminaldriveoutputofcapstanmotorM3. Outputvoltage:Duringspeedcontrol=approx.Vcc-1.7V DuringLOADorEJECT= 6.9V 20CMR OutputRterminaldriveoutputofcapstanmotorM3. (1) Duringspeed