Kenwood-KXFW-4010-Service-Manual电路原理图.pdf

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1、RECPLAYLINEINLINEOUTR LSYSTEM CONTROLAC220-240VAC110-120VPOWERTAPE B18PAUSEREC/ARMSTEREO DUBLE CASSETTE DECK KX-W6080AUTO REVERSEREC LEVEL /BAL./ BIASMAX/RMIN/LMODEREC OFF PLAYTIMERRESET BAUTO BIASCCRSMPX FILTERNORM.-DUBB.-HIGHTAPE A018PAUSEREC/ARMAUTO REVERSE11RELAY RECREV.MODEDOLBY NRRESET APHONES

2、-ON OFF0FORWARDSTOPREVERSEFORWARDSTOPREVERSEKENWOOD badge(B43-0302-04)Front glass(B10-2486-04)Knob(K29-6935-04)Knob(K29-2936-04)Panel*(A60-)Phono jack(E63-0136-15)Miniature phone jack(E11-0188-05)AC power cord*(E30-)Foot*(J02-)Power cord bushing(J42-0083-05)Cassette lid L*(A53-)Knob*(K29-)Knob*(K29-

3、)Knob*(K29-)Knob*(K29-)Knob (BUTTON)*(K27-)Phono jack(E11-0292-05)Slide switch(S31-1036-05)Front glass(B10-2450-03)Knob(K29-5828-04)Front glass(B10-2486-04)Cassette lid R*(A53-)PRECAUTIONS FOR REPAIRRefer to KX-W4070/W6070service manual(B51-5031-00), if you want to know moreinformation of CIRCUIT DE

4、SCRIPTION.Illustration is KXF-W6010.* Refer to parts list on page 18.STEREO DOUBLE CASSETTE DECKCT-203/KXF-W4010/KXF-W4010ECT-2050/KXF-W6010/KXF-W6010ESERVICE MANUAL1998-2/B51-5413-00 (K/K) 3430CT-203/KXF-4010(K) COVER( 98.4.25 0:05 PM yW2CT-203/2050/KXF-W4010/W60102CONTENTS / ACCESSORIES / CAUTIONS

5、CONTENTS / ACCESSORIES / CAUTIONS.2CONTROLS.3ADJUSTMENT.5PC BOARD.7SCHEMATIC DIAGRAM.9EXPLODED VIEW.16PARTS LIST.18SPECIFICATIONS.23Beware of condensationWhen water vapor comes into contact with the surface of coldmaterial, water drops are produced. If condensation occurs, cor-rect operation may not

6、 be possible, or the unit may not functioncorrectly. This is not a malfunction, however, and the unit shouldbe dried. (To do this, turn the POWER switch ON and leave theunit for several hours.)Be especially careful in the following conditions:lWhen the unit is brought from a cold place to a warm pla

7、ce,and there is a large temperature difference.lWhen a heater starts operating.lWhen the unit is brought from an air-conditioned place to aplace of high temperature with high humidity.lWhen there is a large difference between the internal tempera-ture of the unit and the ambient temperature, or in c

8、onditionswhere condensation occurs easily.CautionsOperation to resetThe microcomputer may fail into malfunction (impossibility to oper-ate. erroneous display, etc.) When the power cord is unpluggedwhile this unit is ON or due to an external factor. In this case, exe-cute the following method to rese

9、t the microcomputer and return itto normal condition.Turn the power switch on and off again while pressing the stop(7)key on desk B.Please note that resetting microcomputer clears contentsstroedin and returns it to the condition when it left the factory.ContentsAudio cord.2(E30-0505-05)System contro

10、l cord.1(E30-2816-05)Except for U.S.A., Mexico, Canada,U.K., Europe and Australia AC plug adaptor.1(E03-0115-05)Note : CT-203 and CT-2050 is for USA and Canada market.AccessoriesCT-203/KXF-4010(K) COVER( 98.4.25 0:05 PM yW3CT-203/2050/KXF-W4010/W60103POWERTAPE B18PAUSEREC/ARMSTEREO DUBLE CASSETTE DE

11、CK KX-W6080AUTO REVERSEREC LEVEL /BAL./ BIASMAX/RMIN/LMODEREC OFF PLAYTIMERRESET BAUTO BIASCCRSMPX FILTERNORM.-DUBB.-HIGHTAPE A018PAUSEREC/ARMAUTO REVERSE11RELAY RECREV.MODEDOLBY NRRESET APHONES-ON OFF0FORWARDSTOPREVERSEFORWARDSTOPREVERSEDeck A:Playback and Recording(KXF-W4010: Playback only)Deck B:

12、Playback and RecordingEject button 0Eject button 0Operation key sectionDisplayPAUSE keyREC/ARM key88 8Fast reverse keyFast forward keyPOWER switchPHONES jackPAUSE keyREC/ARM keyFast reverse keyFast forward keyREC LEVEL/BAL. (BALANCE)/BIAS control knob(KXF-W4010: REC LEVEL/BAL.only)MODE keyTIMER swit

13、ch11HIGH DUBBINGHIGH DUBBING keyNORMAL DUBBING keyNORMAL DUBBINGThis Illustration shows the KXF-W6010 model.Operation Indicators (Deck A) Transport directionRecording indicator(KXF-W6010 only)Pause indicator(KXF-W6010 only)2, 38 Operation Indicators (Deck B) Transport directionRecording indicatorPau

14、se indicator2, 3REV.MODEindicatorsPeak level indicators(Dolby NR reference level)CCRS indicatorsMPX indicatorBAL.BIAS LEVELindicators(KXF-W4010:BAL.,LEVEL only)Deck B counterAUTO BIAS indicatorDOLBY NR indicatorsDUBBING indicatorsNORMALHIGHRELAY indicatorDeck A counterDUBBINGNORMALHIGHDOLBY NRAUTO B

15、IASB CB CCONTROLSCT-203/KXF-4010(K) COVER( 98.4.25 0:05 PM yW6CT-203/2050/KXF-W4010/W60104RESET BAUTO BIASCCRSMPX FILTERNORM.-DUBB.-HIGHRELAY RECREV.MODEDOLBY NRRESET AFORWARDSTOPREVERSEFORWARDSTOPREVERSERESET BAUTO BIASCCRSMPX FILTERREV.MODEDOLBY NRRESET AFORWARDSTOPREVERSEFORWARDSTOPREVERSERESET A

16、 key(COUNTER)DUBBING keyNORMALHIGHMPX FILTER keyREV.MODE keyCCRS keyDOLBY NR keyRELAY REC keyAUTO BIAS keyRESET B key(COUNTER)STOP keySTOP keyPlay keys ,(For deck A)Play keys ,(For deck B)RESET A key(COUNTER)MPX FILTER keyREV.MODE keyCCRS keyDOLBY NR keyAUTO BIAS keyRESET B key(COUNTER)STOP keySTOP

17、keyPlay keys ,(For deck A)Play keys ,(For deck B)Operation key section (KXF-W4010) Operation key section (KXF-W6010)CONTROLSCT-203/KXF-4010(K) COVER( 98.4.25 0:05 PM yW7RECPLAYLINEINLINEOUTR LSYSTEM CONTROLOscilloscopeAGAC voltmeterAC voltmeterFrequency counter(A)(B) Please refer to Automatic Adjust

18、ment for Playing, Recording, BIAS level adjustment.(a) Azimuth adjustment screwSystem connectionsCT-203/2050/KXF-W4010/W60105ADJUSTMENTCT-203/KXF-4010(K) COVER( 98.4.25 0:05 PM yW10CT-203/2050/KXF-W4010/W60106ADJUSTMENTCT-203/KXF-4010(K) COVER( 98.4.25 0:05 PM yW11ACEGIBDFHJ2 1357 46Refer to the sch

19、ematic diagram for the value of resistors and capacitors. PC BOARD(Component side view)78CT-203/KXF PCB/SD 2P 98.4.25 0:12 PM yW1ABDFHJCEGI2 1357 4612.8V6.4V6.4V6.4V6.4V6.4V6.4V12.8V12.2V3.8V0.8V1.2V3.8V9.9V10.0V12.8V12.8V12.8V12.8V1.7V12.8V12.8V0V0V0.6V4.4V 4.4V0V 0V 4.4V0.6V0V0V11.9V11.9V11.9V11.9

20、V5.5V5.5V5.5V5.5V12.8V12.7VPLAY,RECRECPAUSE:4.6VOTHER:0V6.4V6.4VREC:4.9VOTHER:0VA.PLAY:0VB.PLAY:4.7VA.PLAYB.PLAY:0V:4.7VBI A S O N : 4 . 6 VBI A S O F F : 0 V4.6VPLAY,RECOTHER:0VRECPAUSE:4.6VREC:4.7VOTHER:0VPLAY,RECOTHER:0.6VRECPAUSE:0VREC:0VOTHER:0.6V1. 2 V1. 2 V1. 2 V1.2V6. 0 V1. 2 V6. 0 VCrO2:0VN

21、ORMAL:1.2VREC:0.7VOTHER:0VOTHER:0.6VPLAY,REC,RECPAUSE:0VREC:0VOTHER:0.6V4.5V4.2V0.1V0. 2 V0. 2 V0. 2 V4.5V4.7V0.6V2.6V12.2V2.7V2.6V6. 1 V6. 0 V0. 2 V6. 0 V6. 0 V6. 0 V0. 2 V12.8VX28-(G/8)X28-278x-xx A/8CN6 CN5CN2RECINPLAYOUTJ1J2WH2Q1Q2IC7IC7Q3Q4Q50D3CN3Q51Q52LRIC3HX-PROQ26Q53IC5IC5Q9Q10Q6Q8IC4Q7Q5Q1

22、8Q16Q17Q15Q27Q28Q24Q25B MECHAIC4J61/22/2J4CN131/22/21/22/2D2*Q49* * *Q29Q31Q33Q35Q30Q32Q34Q36Q38Q40Q39Q37* *Q41Q42Q43Q44D68D69D70D71D72D3 5D75D3 6D73D74D76D77J8J9J5KX-W6080CN2KX-W4080B MECHAA MECHAA MECHARch(RED)Lch(WHITE)COM(BLUE)Rch(RED)Lch(WHITE)E(GRAY)E(YELLOW)COM(BLUE)PHRPEHIC2J14J12J13ERASEB P

23、BA PBIC1IC2IC3IC4,5IC6IC7IC8IC9IC10:XL24C01AP:CXP82540-136Q:HA12167FB:UPC1297CA:TA8125S:NJM4558D:S-806D-Z:BA17812TorUPC7812AHF:BA10393Q14,15,16Q512,19,20,222628,43,444850,53,6568Q13,14,17,18Q2325Q2936,51,52,54Q3740:2SD1450(S,T)UN4212:DTC124ESorUN4112:DTA124ESor:2SC3311A(Q,R):2SC1845(F,E):2SC2003(L,K

24、)Q41,42Q47:2SA992(F,E):2SA1534A(R,S)D2,3,5,6,1012D7:1SS133orHSS104:HZS6.8N(B2)orRD6.8ES(B2)D8D9,20D13D18:HZS13N(B2)orRD13ES(B2):HZS5.6N(B2)orRD5.6ES(B2):HZS3.9N(B2)orRD3.9ES(B2)D4:D3SBA20F03orRBV-402LFASELECTR/PA/BHI.EQLINEMUTEBUFFLINEMUTELEVELAMPS/WLINEMUTEDRIVERECMUTEDRIVELEVELAMPSWRECMUTESWOSC21,

25、45,46,58Q55:2SD2374Q57:2SA1535AQ56,59,60,63,64:2SC3246Q61,62:2SA1309A(Q,R)or or2SA1048(Y,GR)1417,19,2130:HZS20N(B)orRD20ES(B)D37:HZS2.7N(B2)orRD2.7ES(B2)6777PHONESSYSTEMICHEADRchLchRchLchLchRch2SC2458(Y,GR)3336,46, R812KA.RECPLAYGNDA.CrO2MOTORCOM+12VM(B)M(A)PHARGLLRLR13 24R 171R 172C115C116R170 R169

26、C1 1 7R 168 R 167R 163C1131050C114R 164R166R165R173R161R162R1100R2100R7R5R6R81K3.9K3.9K1KC31050C41050R3C1R4C218 K2 700P18 K2 700PR175R17610 KR1 1R9R1 01 00K 1 0 0KR1 7R1 810 0 K1 00KR1 210 KC11810010C51050C6105012 345 67810KR15R133.9KR143.9KR1610KRGL-EHK2L6L53 2 1453 2 145VCAPRE10 1112VCADETPEAKABSO

27、DETCOMP.78DRIVERTHERMALDETECTINGPROTECTIONCIRCUITSTAOILIZINGPOWERSOURCEPEAKDETABSODETCOMP.569C1010.014C9 90. 0 2 215C1000.022131418C1020.01123 1617R13633KR13533KC960.01C950.015 60PC9 7C 9 8 5 60P R1 342 20KR1 6 0 2 2 KL96412356 80P6 80PR3 1R3 21 50K1 50KC19C20C22C211050471647161050R33180C25C26390P3

28、90PR35R366.2K6.2KR37R38 150K150KC27C280.0220.02212345678C119C1203301610016R178R1791K1/4W1K1/4WR28150KC180.022R266.2KC1 23 90PC101050C164716R22180C1 4R2 42 20K3 30KR2 0C82 20P8765C72 20P3 30KR1 9R21180C1 3R2 32 20KC91050C154716C1 13 90PR256.2KC170.022R27150K432189101112131415161718192021 22 23 24 25

29、26 27 28 29 30 31 32 33 34 35 36 37 38 39 4041424344454647484950515253RE C O U T+-LMARE C TEQ V O LRECEQ5BITDAC+ -LMA5BITDACRECEQEQ V O LRE C TRE C O U TSWIILLOGICCMMBIASADJINJ5BITDACGNDCOUTBIAS(L)Vcc5BITDACBIAS(R)EQ -CO N T RO L E RHCHNNMNCNNFMFQF/QGHGLGPHMD- G N DON / O F FC/ONP XR ESE TR123R90 R8

30、962KC810.150R79100KR8810KC7918PC8018PR80C82100K0.150R8 310 KR82R8 410 KR855.6KR865.6KR875.6KC7856PR7856KC70 2 . 2 50C75 2 . 2 50C76 2 . 2 50C77 2 . 2 50R765.6KC68 1 50C6 6 2 . 2 50C6 4 0 . 1 50C6 2 1 0 50R7010KR6 2R6 05. 1 KR7 22 20KR683.9KR7447KR9 3 2 4 KC6 9 2 . 2 50C6 7 1 50R673.9KR6910KR7 12 20K

31、R61R7 5 5 . 6 KR7 756 KR7347KC6 5 2 . 2 50C6 3 0 . 1 50C6 1 1 0 5010mHL2 L110mHC88220PC87220PR39R401. 5 K1. 5 KR30 1 . 5 KR29 1 . 5 KR6510 K123MOTORBA+1.5KRchLchGNDPHOTOREFLECTOR45-EH+EH56 056 0101033 1656 056 056 K56 K3.3K47K47K1050( 8 10)(22,23)NCKXF-W6010:D40-1473-0522KR174R9110KC8 633 0 16ERASEH

32、EAD100K151/4WR177471618K18K4716N.NORN.Cro2H.NORH.Cro2R595. 1 K22 KR122R121R120R119R118R117R116R115R114R113R112R111R110R109R108R107R106R105R104R103R102R101R100100K56K100K39K36K33K18K56K56K75K82K39K39K18K18K33K18K27K39K27K27K51K22K2K 100K22 K43K43KC2 3180R34C24-EHK1W65W6110KR12610KR12515K15KR129R13015

33、KR12815KR127R1374.7KR1394.7KR1414.7KR1434.7KR1384.7KR1404.7KR1424.7KR1444.7KW222W223SOLR.RECPACKNCNCB.PLAYGNDB.CrO2MOTORCOM+12VM(B)M(A)PHBSOLR.RECPACKNCNCB.REC220PC92*R 1 32 2 20KC1 0 310 50R1 332 20K2 20KR1 3 1W 224W227W2 91.2K1.2KR146R1481.2K1.2KR147R14510P500C10510P500C1040.047C1420.047C152C1 1 1

34、C 112 0 . 010. 0 15.6K5.6KR151R15222KR14922KR15010KR21910KR220SOL.FWDRECPLAYCrO2RVS RECPACKB.PLAYGNDB.CrO2MOTORCOM+12VM(B)M(A)PHBSOLR.RECPACKNCNC B.REC12345 1234523 1RGL123MOTORBA+1.5KRchLchGNDPHOTOREFLECTOR45-EH+EHKXF-W4010:D40-1473-05ERASEHEADSOL.FWDRECPLAYCrO2RVS RECPACKB.PLAYGNDB.CrO2MOTORCOM+12

35、VM(B)M(A)PHBSOLR.RECPACKNCNC B.REC123MOTORBA+1.5KRchLchGNDPHOTOREFLECTOR45-EH+EHKXF-W6010:D40-1450-05ERASEHEADSOL.FWDRECPLAYCrO2RVS RECPACKPLAYGNDB.CrO2MOTORCOM+12VM(B)M(A)PHASOLR.RECPACKNCNC A.REC123MOTORBA+1.5KPLAYHEADRchLchPHOTOREFLECTORKXF-W4010:D40-1451-05SOL.PLAYCrO2PACKRchLchGNDPLAYGNDB.CrO2M

36、OTORCOM+12VM(B)M(A)PHASOLR.RECPACKNCNC A.RECR/PHEADRchLchR/PHEADRchLchR/PHEADRchLch1/4W15R254+EH+EH123456789101112131415123456789101112131415123456789101112131415123456789101112131415123456789101112131415 1234567891011121314151234(2 3 )(2 2 )(19)(10)(9)(8)(2 7 )(1 8 )(1 7 )(1 6 )(1 5 )(1 4 )(4 2 )(4

37、 3 )(7 9 )(8 0 )(2 5 )(24)TOCN2TOCN5TOCN3TOCN6(76)(74)(76)(7 4 )C16 50. 0 10.01C164W51C9 4220PC90220PC91C9 3C89220PW4 7+ + -+ (1)(2)(2 )(1 )(1 )(2 )(1 )(2 )(1)(2)(3)(4)(5)(6)(7)(8)CAUTION: For continued safety, replace safety critical components only with manufacturersrecommended parts (refer to par

38、ts list). indicates safety critical components. For continuedprotection against risk of fire, replace only with same type and rating fuse(s). To reduce the risk ofelectric shock, leakage-current or resistance measurements shall be carried out (exposed parts areacceptably insulated from the supply ci

39、rcuit) before the appliance is returned to the customer.DOLBY and the double-D symbol are trademarks of DolbyLaboratories Licensing Corporation. Noise reduction circuit madeunder license from Dolby Laboratories Licensing Corporation.The DC voltage is an actual reading measured with a high impedance

40、type voltmeter with a cassetteloaded at playback mode. The measurement value may vary depending on the measuringinstruments used or on the product. Bias circuit DC voltage is measured while in the record mode.CT-203/KXF PCB/SD 2P 98.4.25 0:12 PM yW2KMOQSLNPRT-19.5V-44.0V12.8V-19.5V4.9V4.9V4.9V3.6V24

41、.7V11.9V19.4V24.0V4.9V4.9V0V4.6V28.6V0.6V-13.2V-19.5V-36.2V-11.5V13.7V0V8.7V(REC)-13.4V28.6V-13.7V-19.5V0.4V0.4VOTHER:12.4VREC:0VOTHER:0VREC:4.9V0 V0 V2 . 4 V4 . 9 V4 . 8 V0 V4 . 9 V0 V0 V4 . 9 V4 . 9 V4 . 6 VREC:4.9V4 0 0 : 4 . 9 V 1 2 . 5 K : 0 VO N : 0 V O T H E R : 4 . 8 V2.5V2.5V0V0.6V0.6V4.6V4

42、.6VOTHER:0V5.0V5.0V4.9V4.9V2.2K2.2K5.0V0V5.0V0V4.9VHISPEED:0VNORMALSPEED:4.9VHISPEED:11.9VNORMALSPEED:0VB.MOTORON:0.7VOFF:0VHISPEED:0VNORMALSPEED:4.6VA.MOTORON:0.7VOFF:0VREC:0VOTHERDUBBING:0.7VREC:0VOTHERDUBBING:0.7VA.PLAY:4.8VNORMALSPEEDOTHER:0VHIGHSPEED6.0V6.0V0.3V6.0V6.6V6.6V6.0V6.6V6.6V6.0V6.6V6

43、.6V6.0V5.8V6.1V6.0V6 . 0 V6 . 0 V1 . 9 V1 . 7 V6 . 0 V6 . 0 V6 . 0 V6 . 0 V6.1V6 . 2 V6 . 2 V6 . 2 V6 . 1 V1 . 7 V1 . 8 V4.9V+BLINE-BLINE100 160.1X28-(C/8)X28-(F/8)ASIGNALLINEGNDLINEX28-278x-xxRECORDINGLINEX28-(H/8)X28-(C/8)X28-(H/8)Q45Q46Q47Q48Q19Q21Q22Q14BOTTOMVIEW-COMIC6IC6Q67Q68D 3 7Q66D17D16D15

44、D 1 4D 2 0D 1 8Q57IC9D 1 9Q56D4CN4D12D11D10D13D 6D 5W H 5W H 4W H 3J3SYSTEMD23D24D 2 6D 2 5D 3 0D 2 9D27D28Q20Q23Q13IC10P-ROMD21IC8D 2 2Q58CN1CONTROLIC1D7ANORSPCrO2:ONCN7D 9D 8Q55Q541/22/2Q62D34Q60Q64Q61D33Q59Q63Q65Q12Q11D 6 72/2TOX28CN8J7(MTYPE)W H 6W H 7CN1W H 6W H 7(K,ETYPE)WH1PHDET(SYSTEMICOSC,P

45、BEQ)PHONE+12VAVRRESETRECMUTE70SW400/12.5KSELECTOSCLEVEL70SWPOWERSUPLLYA.N/HSWTESTMODEUNITNO.MODELNAMEABB.DESTINATIONCOUNTRYEUROPEGENERALMARKETUSAK1Q2944,49D2132,137144R127,128,131C93,94UNITNO.MODELNAMEABB.F1CN14,15W221111,142,C89,90,105C13,140-102-710-21EUROPEGENERALMARKETUSA0-112-720-22YES470P220PN

46、O680P150P0-102-710-210-112-720-22MT,E, E1K,PY,MX,T,E,E1K,PNOYESYESNOYESNONOYESYESNO222224W29,47,5161,65227KXF-W6010/(E)Y,MX,T,EK,PY,MX,T,E,E1K,PR262W45KXF-W4010/(E)KXF-W6010/(E)KXF-W4010/(E)R262 8.2*W45CT-2050CT-2050CT-203CT-203C 1 0 9R 1 5 7C 1 0 8R 1 5 6C 1 0 70 . 0 12 2 K5 6 0 0 P2 2 K5 6 0 0 PR

47、1 5 9 1 0 1 / 4 WR 1 5 8 1 0 1 / 4 W R155C1101801/4W10501234567 5 45 55 65 75 85 96 06162636465666768697071727374757677787980DOLBYB/CNR(R-CH)1A5BITDACE.VOLGND5BITDACE.VOLDOLBYB/CNR(L-CH)1AVrefC 6 0 0 . 1 5 0C 5 8 0 . 1 5 0C 5 6 2 2 0 0 PR 5 8 5 6 0C 5 4 2 2 0 0 PR64C742.250C 7 2 1 0 5 0C522200P22KR56L 41 0 m HC 5 02 2 0 PMPXNCR 5 2 5 . 6 KR502.2KR9218KC46C42C44150150150MPXNCR 5 15 . 6 KR492.2KR63C 7 32 . 2 5 0C 7 1 1 0 5 0C 5 9 0 . 1 5 0C 5 7 0 . 1 5 0C 5 5 2 2 0 0 PR 5 7 5 6 0C 5 3 2 2 0 0 PR5522K2200PC51C 4 92 2 0 PL