Kenwood-RXDM-66-Service-Manual电路原理图.pdf

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1、MICRO HI-FI COMPONENT SYSTEMRXD-M66-H/M66-N/M66-S 2003-5 PRINTED IN KOREAB51-5855-00 (K/K) 353* Refer to parts list on page 21. In compliance with Federal Regulations, following are repro-duction of labels on, or inside the product relating to laserproduct safety.KENWOOD-Corp. certifies this equipme

2、nt conforms to DHHSRegulations No.21 CFR 1040. 10, Chapter 1, subchapter J.DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM.Front glass *(B10-)Knob *(K29-)Cassette lid *(A53-)Miniature Phone jack (E11-0399-05)Panel assy *(A60-)Knob *(K29-)LS-M66-H/M66-N/M66-S/

3、M66IT-H/M66IT-SSERVICE MANUAL(HM-636/636IT)Front glass *(B10-)RXD-M66/LS-M662ACCESSORIES / CAUTIONSFM indoor antenna (1)(T90-0877-05)AM loop antenna (1)(T90-0893-05)Remote control unit (1)(A70-1568-05): EE1E2(A70-1569-05): M1X1X2 Batteries (R6/AA) (2)Use to adapt the plug on thepower cord to the sha

4、pe of thewall outlet.(Accessory only for regions whereuse is necessary.) AC Plug Adaptor (1)(E03-0115-05) AccessoriesAttentionPlease contact our KENWOOD Service Department in your side if you want the service information; Circuit Description. FullDescribed Parts list and so. Information is available

5、 to you by internet from us. On circuit description, refer to RXD-M55.The marking of products using lasers (For countries other than U.S.A., U.S.-Military and Canada)The marking of this product has been classified as Class 1. It meansthat there is no danger of hazardous radiation outside the product

6、.Location: Back panelCLASS 1LASER PRODUCTCAUTIONVISIBLE LASER RADIATIONWHEN OPEN. DO NOT STAREINTO BEAM OR VIEW DIRECTLYWITH OPTICAL INSTRUMENTS.Inside this laser product, a laser diode classified as Class 3A laserradiation is contained as alerted by the internal caution label shownabove. Do not sta

7、re into beam or view directly with optical instruments.1 Remove the CD from the unit.2 Press the CD 6 key.3 Wait for some time and verify that the displayappears as above.4 Wait a few seconds and turn the unit OFF.Note related to transportation and movementBefore transporting or moving this unit, ca

8、rry out the follow-ing operations.Operation to resetThe microcomputer may fall into malfunction (impossibil-ity to operate, erroneous display, etc.) when the powercord is unplugged while unit is ON or due to an externalfactor. In this case, execute the following procedure toreset the microcomputer a

9、nd return it to normal condi-tion.Unplug the power cord from the power outlet, thenwhile holding the POWER or key depressed, plugthe power cord again. Please note that resetting the microcomputer clearsthe contents stored in and it returns to conditio nwhen it left the factory.orAfter resetting the

10、microcomputer, the display will showas follow:CautionsSystem ConfigurationsSYSTEM RECEIVER SPEAKERHM-636-H RXD-M66-H LS-M66-HHM-636-N RXD-M66-N LS-M66-NHM-636-S RXD-M66-S LS-M66-SHM-636IT-H RXD-M66-H LS-M66IT-HHM-636IT-S RXD-M66-S LS-M66IT-SRXD-M66/LS-M663EXTERNAL VIEWDIGITALOUTOPTICALAUXINPUTLRGNDA

11、MANTENNAFRONTSPEAKERS(6-16 )L- +RFM75 Metallic cabinet *(A01-)AC power cord *(E30-)Lock terminal board (E70-0123-15)Pin jack(E63-1264-05)AC power cord bushing (J42-0349-05)Tuner assy *(W02-)Oscillating module(W02-1114-15)* Refer to parts list on page 21. RXD-M66/LS-M664DISASSEMBLY FOR REPAIRHow to o

12、pen the CD tray when it does not come out.1. Insert a flat driver and so on to a square hole in the mechanism asshown in the figure.2. Push a rack gear in the direction of arrow.(At this time, the tray comes out slightly frontward.)3. The tray can be opened by hand.RXD-M66/LS-M665ADJUSTMENTNo.1ITEMI

13、NPUTSETTINGOUTPUTSETTINGPLAYERSETTINGALIGNMENTPOINTALIGN FOR FIG.LASERCURRENTTest discType 4Connect the DC voltmeter to CN23(#1 and #2) inX29Press the “PLAY“ keyto check that the dis-play is “03“ or “05“ 220mV to 550mVNote:Type 4disc :SONY YEDS-18 Test Disc or equivalent. (KTD-02)LPF : Around 47k +

14、390pF or so.CD player adjustmentInsert the AC cord to AC wall outlet while holding down the CD PLAY/PAUSE key.NoITEMDemagneti-zation andcleaningAzimuth oftheREC/PLAYheadTAPE SPEED(NORMAL)BIASCURRENTINPUTSETTINGSCC-1727TCC153MTT11410kHz, 10dBTCC110MTT111SCC17273kHz(B)Connect theAG to jack.1kHz: -30dB

15、s10kHz:-30dBsOUTPUTSETTING(A)(A)(A)DECKSETTINGDemagneti-zation:POWER OFFCleaning:PLAYPLAYPLAYREC andPLAYALIGNMENTPOINTRecordinghead, erasehead,capstanpinch rollerRVS FWDTrimming potin the motor.VR 1 (L)VR 2 (R)(X28)ALIGN FORDemagnetize the REC / PLAY head with the head eraser. Clean the REC/ PLAY he

16、ad, erase head,capstan andpinch roller using a cotton swabslightly damped with alcohol.Adjust the output to maximum andadjust the azimuth adjustment screwfor the Lissajours waveform pattern ofthe oscilloscope to become close to a45 straight line.Fig.1Check the tape speed so that3kHz(2%) is obtained

17、at the centerof the tape.Record 1kHz and 10kHz alternately,and adjust the bias current adjust-ment potentiometer for the playbacklevels (-21dBs)to become the same.FIG. CASSETTE MECHANISM UNIT . PC BOARD ADJUSTMENTCassette Deck adjustmentDIGITALOUTOPTICALAUXINPUTLRFRONTSPEAKERS(6-16 )L- +R(TAPE Lch),

18、3 pinX28 CN1(TAPE Rch),5 pin(A)(B)Fig.1AC voltmeter AGOscilloscope AC voltmeterFrequency counterSYSTEM CONNECTIONS0dBs=0.775VRXD-M66/LS-M666ADJUSTMENTNo. ITEMINPUT SETTINGSOUTPUTSETTINGSAMPLIFIER SETTINGSALIGNMENT POINTSALIGN FOR FIG.Unless otherwise specified, the individual switches should be set

19、as following :POWER : ON1 IDLE CURRENT Connect a DC voltmeter to CN11 ( 1 2 ), RchCN11 ( 3 4 ), Lch(X29)VOLUME : 0VR1 (L)VR2 (R)(X29)4.4 mVCD OPENR407W508W513414443402718521W514W515W516W518C408C403C406R403R402R405R406C405C404C503C504C505C506R513R521R524R501R502R503R505R506R507R508R509R510R522R523R53

20、4113544C507SECONDARYPRIMARYYEL240V120VMAIN TRANSFORMERF2F1T1.25A L 250VT1.25A L 250VWHT21AUXTAPE PLAYO.T.E4MHzSOUNDREPEATWHT12SKIPUPSKIPDOWNSTANDBY/ONSTOP/MODETUNINMODETUNERCDPLAY/PAUSE211716WHTSET/ DEMORECW407 W405C402K401141R404T401R401W403W406W404W501W511W502W504W505W506W503W507134611112222333 34

21、44EBC EBCR504X501EBGIOE12BC511R515R514R512R511C501C502R516R517R518VOLUMER520R533R535R548R547R546R545R544R543R542R541R540R539R538R537R536IC402IC501Q501D408Q401Q402D401D402D404D405D406D407D409D503S501S502S503 S504S505S506S507S508S509S510S512S513 S514S515WH401S401E502ED501P401D403CN402CN403 CN404IC401E

22、401CN405 CN406E503CN502A501CN501S516WH501S511D501CN503WH502X14 B/4X14 D/4X14-7492-70 A/4 (J70-1594-11)X14 C/42ACEG IBDFHJ135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD (Component side view)78K LNPRTMOQS2135746Refer to the schematic diagram for the value of re

23、sistors and capacitors.PC BOARD (Component side view)10932.768kHz8.388MHz4.332MHz16.9344MHzLDRF Vc Vcc+RR262C667W51C121W262R58W61R57C122R134W228W52W225W224C203C205W160C221W128W167C240C245C269C285C291C299C628C632C704C707C708C808C901W217R238R268R287R299R630R700R701R710W216R774R786R787R788R291C663C733W

24、153W64W78W77R53C102R51R52C25R756R763R35C50W122W111W110W109W112W1C30R41C34C35C36R45C8C7C9C10W57C18C17W95W138C241C254C286C702C709C710C711C712C713C714C715C716C717C718C801C21W82C32C33R1R2W58W59R7R8R30R709R44R775R783R785X701C1C2C3C4C6C5C19 C20C22W12C271C272C275C276C601C602C603C604C617C618C619C620C621C622

25、C623C624C625C626C701K1R3R4L201R5R6R12R11W44W42W46R19 R20R21R22R26R27R28R29R31R32R33R34R43R46R47R217W85R228W142R290R705W68R731R734R737R741R803X221X702X801W26W24W141W209W87W150W163W62W168W143W161W179W186W188W182 W183C720R732C502C501R502R501114W200W191W194W201W199W139W129C743W56W148W145W99W156W162W177W

26、166W79W101W2W72W74W73W131W90W94W223W212W132W116W92W89W127W124W135W71W205W151W215W134W126W211W220C210W219W106R101R109R110C101R102R103 R104R105 R106R107R108C27C26R111R112R113R114R127R128W14W107C118C104C103W8W32W22C111C112C109C110W5OGEBEBEBEBEBEBIC113C114C31C116W84W184W130W118W19W20C117W83W17W214W9W6W2

27、26W39W175W50W176W37W40W208C24C23W210W165W154 W158W187W45W41W125W86W18W16W21W70W15W80W69W31W48W60W53W55W3C115W38W28W120W29W27W81W11W102W103W35W172W173W174W170W66W67W197W157W155W104W105W65W100W97W91W146W178W98W34W76W43W113W114W115W33W221C56W119W198W96W222W218W181W140W25W123W164W171W203W149W159W185W189

28、W207W190W10W23W152W169W147W133W137W144W136W196W192W193W195W204W180W206W202W49W47C54W121W36C52 C51W30W13R55R54R56C53W54W63W88W213W108W117W4W7C55C206VR1VR2R133-R-L +LCDW75E BBEEE BEBEBBBEEBBEX8X8X8X2C211C212C215C222C238C239C246C247C248C251C252C263C264C283C284C290C803C805R221R230R231R233R240R245R247R24

29、8R253R269R285R294R631R703C721R789R804R901R902R270R280R725R726R727R728R749R760R764R770R792C631C634C11C12C232 C233C234C235C242C243C255C256C257C258C259C261C262C279C280C281C282C610C615C616C627C635C636C650C705C706C806C807W258R235R286R296R606R607R608R609R612R613R702R712R742R751R753R776R778R781R782R784R801

30、C15C16C213C214C223C231C244C250C253C273C274C277C278C605C606C607C608C611C612C613C614C802C804R14R13R15R16R17R18R23R201R202R203R204R205R206R211R212R213R214R215R216R218R222R223R224R227R229R232R234R236R237R241R242R243R250R251R252R254R255R256R257R258R259R260R261R277R263R264 R265R266R267R271R272R273R274R275

31、R276R281R282R295R297R603R604R605R610R611R706R743R708R711R713R714R715R717R718R719R720R721R722R723R724R729R730R733R735R736R738R744R746R747R748R750R752R754R757R759R761R762R765 R766R767 R768C123R773R777R779R780R790R791R793R802R246C260R739R503R504R210C225C106C105L1C227C228C229C230C236R755R249R225R226R209

32、R116R115R118R120C249C224R119R117R132R131R122R124R123R121R129R130R208R49R48R745R740C664C666C665W259C204C202W261C719W252W251C265W253W254TH116 98141856160414021 2018011617321 181936606180 1202140411 1314268541EEBCCBCCEE4141131117119165116215116231121023 122 2BBBEEBCCBEECBCBEECBCBBECECCCEBBEBBECECH5T2T2

33、T4EBEBOGIEBEBEBEBEBEBEBD702IC21IC22IC23IC24IC601IC701IC801IC901Q206Q204Q207Q701Q702Q201Q106Q105Q104Q103Q203Q107Q102Q101Q209Q208Q52IC23WH201E1WH201IC26IC702Q205A601D106CN2D5D3D4Q10D1D7D10D12D14D201D701J601D2D11D50Q1Q2Q13Q14LRINPUTAUXOPTICALDIGITAL OUTSPEAKERSD13D15D16Q5Q12Q112Q111Q114Q113IC101Q110IC5

34、01D501Q109D210D101D102D103D704D104D105J1D705D706D707D262Q51CN21CN23CN72CN73CN22CN26CN11P701IC25E2E4E3E5X29-2842-71 (J70-1577-31)CN71PHONESU.COMAMPJ2E.VOL112UWYVX135746BEA.GNDM+9VB.CANCELBIAS-RCHREC OUT-RCHTA+9VREC IN-LCHM.GND1111R63R64WHTW35W4W3W14W17W15W22W11W13W29W8W9W10W12W16W19W7W26W25C31R31R51C

35、17C18C32C33C35C51C52C57C58L3R59R60C5C6C7C8C11C12C15C16C19C20C21C22C25C26C53C54C55C56C59C60L1L2L4Q13R53R54W36W32W33W34W30W24W23W2W5W6W18W21 W20W1VR1VR2Q14BIAS-LCHREC OUT-LCHEEBB15 16306232228EEEBEBBBEEE BBB27W50R36R37R39C1C2C13C14R1R2R7R8R9R10R15R16R19 R20R32R55R56C9C10C23C24R5R6R11R12R13R14R17R18R21

36、R22R23R24R25R26R27R28R33R34R38R40R52R57R58R61R62SDGSDGSDGSDGEBBEEBBEQ3Q4Q5Q11Q12Q18Q1Q2Q17E1IC1Q6Q7D1D2Q8Q9Q16D3Q15Q19CN1CN2WH1X28-3202-70 A/2 (J70-1592-21)Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD (Component side view)122ACEBD135746RXD-M66X28-3202-705.8V5.2V

37、4.6V0V(REC MODE)(REC MODE) (REC MODE)4.6V: 4.9VPLAYSTOP : 1.5VPLAY : 0VREC/STOP : 4.9VPLAY : 0VREC : 4.8V4.6V4.6V4.6V 4.6VPLAY: 4.2V: 8.2VREC: 8.2VRECPLAY: 4.2V4.6V4.6V4.6V4.7V4.6V4.6V4.6V4.6V1.2V4.7V0V4.4V4.6VREC: 4.2V: 4.2VREC4.6VL3VCC654321R-RECR-PLAYGNDERASEL-PLAYL-REC30 29 28 27 26 25 24 23 22

38、21 20 19 18 17 16RECRETBINL AINLPBNFL PBEQLEQOLTAILPBOLB1/11A/BA120/70MUTE RECILVCCRECOL1 2 3 4 5 6 7 8 910 11 12 13 14 15VREF GND BINR AINR PBNFR PBEQR EQOR TAIRPBOR MAOUT MAI IREF RECIR RIP RECOR47u25C58C57 6800PC53 0.01C54 8200PC55 8200PC56 0.022R58 5.6K R57 5.6K1/4WR60 3.3+1/4WR54 1010u50C52R56

39、18K10uHL41.5KR531u50C51R51 11/4W3.3R59R55 4.7K1MR261MR281MR271MR2510KR36R1 100K R2 100KC1 470P C2 470P10KR10330PC10 0.01C622KR321u50C358.2KR810u50C22100u10C311/4W4.7R31330PC9 10KR9C32 47u254.7u50C3310u50C21100R340.01C510KR33R7 8.2K+4.7u50C194.7u50C200.22u50C1810u50C154.7KR134.7KR1410u50C160.22u50C17

40、R15 2KR16 2K4.3KR184.3KR17+1KR124.7u50C124700PC14+1KR114.7u50C114700PC13R5 5.1K C7 0.039 +5.1KC8 0.03915KR24 15KR23220PC26220PC2510KR1910KR20C23 220PC24 220P330KVR1330KVR2+L2 10mHL1 10mH15KR2215KR211000PC601000PC595.6KR615.6KR6213MUTE15 1917 21 2320REC-F-SW REC-R-SW PLAY-SWPHOTO22B.CANCEL PACK-SWR/P

41、18A/B NC1614BIAS15397116M.GND M+9V SOL CPM10 12REC IN LCH M+9V REC IN RCH8M.GND RCH4LCHTA+9VA.GND2Q1-41/4W10KR52+VCC22212019 23VCC123456IC147K 47KR38 1.8KR40 1.8KR372319202122234R39CPMSOLGNDPHOTO786515678PLAY-SWREC-R-SWREC-F-SWPACK-SW4321Q11,12+9.3V+9.3V+9.3V+9.3V +9.3V+9.3V+9.3V+9.2V+9.3V+9.2V+9.2V

42、 +9.2V+9.2V+B+9.3V+9.3V+9.3V +9.3V+R6+W41KR64R631KW3+Q13Q14D3Q12Q11Q5Q17Q18Q4 Q1Q2 Q3Q19Q15Q16WH1(Lch)BIAS(Rch)BIASSYSTEM ICPB/REC EQ.REC (Rch)CANCELBEATCN1(REC/PAUSE)MUTINGR/PSWCONT.BIASSWOSC(105kHz)BIAS OSCPLAY (Lch)PLAY (Lch)REC (Rch)ERASERchLchR/P2/3X29-CN72: DTC124EUA orQ5,11,12,18D1-3 : 1SS133

43、 or: DTA124EUA or: 2SC2785(F,E): 2SA1286-T11Q19Q15,16Q17: KTC3205 or: KTC3200 orQ13,14Q8,9Q6,7: KRC103M orIC1Q1-4: HA12230NT: RK7002Q8D1Q9D2CAPSTANCONT.Q6SOLENOIDCONT.Q7CN2MSOLENOIDENDPACKREC-FREC-RPLAYRECUN5212UN42122SC1845(F,E)UN51122SC3940A(R,S)HSS104AB LINEGND LINESIGNAL LINERECORDING LINEIC1RXD

44、-M66 (1/3)(X28-3202-70)(D40-1772-05)(X28-3202-70)0-112-70UNIT No.E2EUROPEAUSTRALIA X2DESTINATIONCOUNTRYEUROPEAUSTRALIAGENERAL MARKETEUROPEABB.M1E1X1EYESNOYESNOYESNOYESNOYESNOYESNOC9,10MODEL NAMERXD-M66-SRXD-M66-HRXD-M66-N2-700-112-700-11R63,64NOYESYESNOYESNOW3,4CAUTION: For continuedsafety, replace

45、safety criticalcomponents only with manu-facturers recommendedparts (refer to parts list).indicates safety critical com-ponents. For continued pro-tection against risk of fire,replace only with same typeand rating fuse(s). To reducethe risk of electric shock,leakage-current or resis-tance measuremen

46、ts shallbe carried out (exposedparts are acceptably insulat-ed from the supply circuit)before the appliance isreturned to the customer.The DC voltage is an actual reading measured with a high impedance type voltmeter with no signal input. Themeasurement value may vary depending on the measuring instruments used or on the product.DOLBY and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation. Noise reduc-tion circuit made under license from Dolby Laboratories Licensing Corporation.V - 5