Kenwood-KXW595-tape-sm 电路图 维修手册.pdf

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1、KX-V595 SERVICE MANUAL Lid glass (B03-291 3-08) Knob (Play) (K27-2143-08. *Refer to parts list on page 16. Refer to KR-W594/W1060 service manual 1851-4924-00), if you want to know more information of MECHANISM OPERATION DESCRIPTION. STEREO DOUBLE CASSETTE DECK Metallic cabinet (A01-3169-08) Knob (Re

2、w) lK27-2146-081 Knob (F.F) (K27-2147-08 Phono jack (Rec, Play) (E1 1-0264-08) Foot assy (J02-0366-1 5) Knob (Dubbing) lK27-2145-08) Knob (Rec) Cassette lid (B) (K27-2150-08I (A53-1827-08) Lid glass (803-291 4-08) Knob (Stop/Eject) (K27-2148-08t Knob (F.F) Knob (Pause) (K27 -21 47 -0Bl (K27-21 49-08

3、) AC cord bushing (J42-0083-05) Cassette lid (A) (A53-1 865-08) Front glass ( B03-29 1 6-08) Panel (A60-0635-08) Knob (Pause) Knob (Power) (K27-2149-0Bl (K27-2141-081 Knob (Stop/Eject) Knob (Rec level) lK27-2148-0BllK27-2142-08) Knob (Play) (K27-21 51-08) Knob (Rew) (K27-2146-08 Slide switch (120V l

4、240Vl (s02-0043-08) KENWOOD Knob (Dolby NR, Tape selector) lK27-2144-08l. RadioFans.CN 收音机爱 好者资料库 KX-W595 CONTENTS/AGCESSORIES CONTENTS PC BOARD (COMPONENT SIDE VIEW) .7 EXPLODED VIEW: MECHANISM (DECK-A). .13 EXPLODED VIEW: MECHANISM (DECK-B). .14 Refer to KR-W594/W1060 service manual (851-4924-00),

5、 if you want to know more information of MECHANISM OPERATION DESCRIPTION. J -/ v ./ ACCESSORIES . lnstruction manual .1 (860-2084-08) : English / K, Y, X, R type (860-2085-08) : English, Chinese / M, R type (860-2086-08) : English, French / P type (860-2087-08) : Spanish / M, R type Except for some

6、areas. For the unit with a European AC plug in areas other than Europe. RadioFans.CN 收音机爱 好者资料库 KX-W595 ADJUSTMENT n n a lUo.ITETI NPUT SETTIIGS OUTPUT SETTIilGS CASSETIE TAPE DEGI( SETT!IGS AUGIMEIIT P0ttttTsAUGI FOR nG. GASSETTE DEGI( SEGIION TAPE: IORiIAL DOIBY: OFF, ITIIPUI: UIE 0dBs!.775Y I. RE

7、C/FI.AY HEAD lll DEMAGNEIIZATION POWER OFF Bemove the cassette door.BEC/PLAY head Demagnetize the REC/? IAY head with a head demagnetizer. t?t CLEANINGPTAY BEC/PLAY head Erase head Capstan Pinch roller Clean the REC/PIAY head erase head, capstan and pinch roller using a cotton swab slightly damped w

8、ith alcohol. t3l AZIMUTH (A) MTT.1 14, TCC.I53 I 0kHz, -l OdB (B) PI.AYzimuth adjustment scral Maximum output. (a) . DC itoTon (1) TAPE SPEED (A) MTT.I I 1, TCC.1 1O 3kHz (B) PIAYTrimming poteniiometer in the DC motor. Adjust the tape speed so that a 3kHz signal is produced at the center of the tape

9、. (bl III. PG BOARO PLAYBACK LEVEL MTT.I50 400H2 (200nWb) (B) PLAY A sFRl01 (U sFR102 (B) 0utput level : -ldBs MTT-256 315H2 (1 60nWb) output level : -4dBsB sFBl 03 (L) sFRr04 (B) MTT-256U, ICC.160 3l5Hz (250nWb) output level : odBs LED LEVEL UTT-256U, TCC-160 315H2 (250nWb) (B) PLAY sFRr 09 (L) sFR

10、l 1 0 (R) Adiust the variable resistors so that LED level of 0dBs is worked. BIAS CUBBENT (A) 1 kHz, -20dBs l0kHz, -20dBs (B) Ad.iust BEC level VB so that the BEC monitor output becomes -20dBs at 1 kHz. then record and reproduce signal of 1 kHz and I 0kHz in alternation. sFRr07 (L) sFBr08 (B) Record

11、 1 kHz and I 0kHz in alternation and adjust the variable resistors which control the bias current so that the same playback level is obtained. RECORD LEVEL(A) 1 kHz, -20dBs (B) Hecord and reproduce a lkHz signal under the conditions set in . sFBl0s (L) SFBl06 (B) Adjust the variable resistors so hat

12、 LED level of 20dBs is worked RadioFans.CN 收音机爱 好者资料库 KX.W595 AJUSTES N0m.irsm ruusrEs DE EITBADA AJUSTES DE SATIDA AJUSTES DET DEGK DE CASETES PUNTOS OE ALINEACI0NALINEACION PARAFIG. SECCI0II DELDECX DE CASETES CINTA: N0BMAL D0IBY: DESAGTwAD0, ENTRADA LINEA0dBsdl.775V I. CABEZA G RABADORA/REPROOUCT

13、OBA t11 DESMAGNETIZACIONALIMENTACION : DESCONECTADA Extraiga la puerta del casete. Cabeza Grabadora/Beproductora Desmagnetice la cabeza Grabadora/Beproductora con un desmagnetizador de cabezas. tzl LIMPIEZABEPBODUCCI0N Cabeza Grabadora/ Beproductora, cabeza borradora, eje de rnastre, rodillo compres

14、or Limpie la cabeza Grabadora/ Beproductora, la cabeza bonadora, el eie de arrastre, y el rodillo compresor utilizando un palillo de cabeza de algod6n ligeramente humedecido en alcohol. I3l ACIMUT (A) MTT-I 1 4, TCC-I 53 10kHz, -1OdB (B) REPRODUCCIONTornillo de ajuste del acimut Salida m6xima (a) II

15、. MOTOB DE CC (1) VELOCIDAD DE LA CINTA (A) MTT.I11,TCC.11O 3kHz (B) BEPRODUCCION Potencidmetro de regulacidn del motor de CC A.iuste la velocidad de la cinta de forma que la sefral de 3kHz se produzca en el centro de la cinta. (b) III. TABJETA DE CIRCUITO IMPRESO NIVEL DE BEPBODUCCI0N MTT-150 400H2

16、 (200nWb) (B) REPBODUCCI0N A sFBl 01 (L) sFB102 (B) Nivel de salida : -l dBs MTT.256 315H2 (160nWb)Nivel de salida : -4dBsB SFBl 03 (L) sFBl 04 (R) MTT-256U, TCC-160 315H2 (250nWb) Nivel de salida : OdBs NIVEL DE LEDMTT.256U, TCC-1 6O 315H2 (250nWb) (B) BEPBODUCCIONSFR1 09 (L) sFBl 1 0 (B) Ajuste lo

17、s resistores variables hasta obtener un nivel de LED de 0dBs COBBIENTE DE POLABI/ACI0N (A) 1 kHz, -20dBs 1 0kHz, -20dBs (B) Ajuste REC TEVEL VB hasta que la salida del monitor de grabaci6n sea de -20dBs a 1 kHz, y despu6s Srabe y reproduzca alternativament una sefral de lkHz a 10kHz. sFB107 (L) SFR1

18、08 (B) Grabe alternativamente 1 kHz y 1 0kHz y ajuste los resistores rariables que controlan la corriente de polarizaci6n hasta obtener el mismo nivel de reproducci6n. NIVEL DE GBABACI0N(A) 1 kHz, -20dBs (B) Grabe y reproduzca una senal de 1 kHz en las condiciones establecidas en . SFB105 (L) sFBl06

19、 (B) Ajuste Ios resistores variables hasta obtener un nivel de re0roducci6n de -20dBs. v d v. KX.W595 A SYSTEM CONNECTIONS/CONEXIONES DEL SISTEMA ADJUSTMENT/AJUSTES Oscilloscope Osciloscopio AG vohmeter Voltimetros de CA Generador de sonido (a) AZIMUTH/ACIMUT AC vohmeter Frequency counter Voltimetro

20、s de CA Frecuencimetro ral # EE:; (b)TAPE SPEED/VELOCIDAD DE LA CINTA Head/Cabeza reproductora Azimuth screw/Tornillo de ajuste del acimut DC motor/Motor de CC KX.W595 aJ A-t Y-rl aJ j .lJ; V? .r l -.+ U) z !o ,a 6 Hn 8X o zO rn tr. (r) F(/)t- (,)(?) (rN tu ro =co OO- o(L(J ut z tr. FO U) E IJJ =d)

21、o(J (L(L =. au) a tr UJ =a)oo O(L UJ 0_ F: o-L I .-rrar-.J - EOII J L t 1;O , - ca) Jo r 5?R -roQ H3E 3 i I a aa N (o EF () (, ILN ro E:l uJ- FC) UJ o o t L o =u lJ a AO E 6l- g(D 0- i ztt o v C) r.r.J o (D Y C) tJJ o / Vl WIRING DIAGRAM =. o, al (r I uJ! =o I oo I (L(L 1 .-l -l .J L_._.-. -.-.-.-J

22、PC BoARD (CoMPoNENT SIDE VIEW) 4C220- ACilO- _ 24OY* l2OV- q5+ ! l8.4 . 9FEG Rt, - lBlASnsai x (r) sl FEC 8.6v(Hr ) 5.5V(NOR) E 14.0v R179 150 1W i rlv(aec cNl02 A 1EG EIE I ourPUT AMP I o.-ji.o Lt 03 irPx I I r r rrenl o o Ll02 3 t-_- -:4 E L_4_l G ts e 135 Rr46 a ri, - 3o o6 V orr 157 2.2K R138 39

23、0 1,/4W t cr+o orbe 47116 c15S !rY.- +. lrso or I r ,%url E R21A C111 22K 1Ot25 E 1o b*9 I E REC (-4. 0V ) to oilo oci C131 - 1 Op25 1 4V(REC ) 3x J,u, ollg 4. 7150 Dl I 6 E i.n )2fl cl6l 33p16 REC LEVEL PCB ASSYMETER PCB ASSY c1 45237320 Qt 0l Ql 02, Ql 03- Qt 07, I 11, 1 29, Ql 28- Qr 31 Q132, l Q

24、l 34. ngrt tber lCl01 :CXA l lSBP IClOZ :rPCI330HA lCl03 rCXAI I t01P 1C104 :MC78l2CT or NJM781 2A Y,M t- I TYPE - I ITE! p-RlVil IC601 :846l24 Q601 :2SC945(P, Q) Q602 :2Sc733(P, Q) D60l -607 :830-2469-08 0608 :ISSI76 jlr tl I Aclo I nrnlo i .1, I rwro3 I ti ir Il-_ POWER TRANS. T c I 45237350 K. P.

25、 R TYPE -; I -_ ! lFowEHl I nn1 -.!_l 2.0 I TEl PCB ASS. Y 1.5 I 1.251 1 251 , | ,31 I I .N,o, , o E c045 237330 cN,l08_ F.-.-r- FWI O2 6 01 I 5 R22s A -i )ov lR) Itr- FWI 0l FWI0l -li- I I s I.l-i I lFowEEf i l- _ J POWER SW PCB ASSY c045237340 -.J (Al I 1sBP ,c1 330HA (Allt0lP i7812CI or rrf78l 2A

26、 Ql 0l Qr02.109 Q r 03-1 06 Qr07. 10 2SD3 1 3E !2SC2001 (L) ?25C2818A D101 01 02-1 23 D1 24 D125 Dl26,127 oI 28-r 3 r Dr 33 :MTZ6. 28 ! 1 SS1 76 .Fro12E(82) ?RDl5E(82) :1SS1427 : I N4002 L :1SSl76 2SA733 2SC2001 2SC2878A 2SCg45 DTC1 14TS DTC124ES DTCl 44ES , UPC133OHA CXA1 1 1sBP MC7812CT . DC volta

27、ges are as measured with a high impedance voltmeter with a cassette loaded at playback mode. Values may vary slightly due to variations between individual instruments orland units. Bias circuit DC volt- ages are as measured while in the record mode. CAUTION : For continued saf ety, replace saf ety c

28、ritical compo- nents only with manufacturers recommended parts (refer to parts list). A lndicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance meas- urements shall be carried out (exposed parts are acceptably insulated from the supply circuit) befor

29、e the appliance is returned to the customer.DOLBY and the double-D symbol are tradmarks of Dolby Laboratories Licensing Corporation. Noise reduction circuit made under license from Dolby Laboratories Licensing Corporation. rYP E | rc A ! c197 Sl I 0.01r100 ! tpoea -.-.-.-. . PCB ASS. Y A t-.- FYvl 0

30、 I ! SIONAL LINE OND LINE +EI LINE -B LINE 2 30V 0 r r5v ! t la I ,/q_ at/rt - - Parts with the exploded numbers larger than 700 aro not supplied. KX.W595 EXPLODED VIEW: UNIT H lE i- I l, ,_ (.d =o 3 o /A tu o /n v 0 iOs x ro -/ cr) -(o N I _L_ t- q, ,i N : O cf) (o s :i 93 ? o c9 (o Or cr) (o Yrf)

31、lsl r, (o U, :- 1 o M cI o -./ =e OO, cf) o- -Ct) r (o rm-*( (4N :r- (o L6ryNE ry q,* /r, ke* E - rQ cr) (Or t-J E Parts with the exploded numbers Iarger than 700 are not supplied. KX.W595 I E E 9 ,= o oq 2 ;i; .1 3;5 Eu= _.9 u: YFX 6 = =.Pft 3x - o o o o c ci Zi a;6! Ro o =; o c;c EEZ qHo i;p 39P E

32、 E I g o!: ;. E.9 +E = -i- ;i = = .sdP = ,_E ii 3x ,a - o o o ci Zi 6 6r *o o de; Qa! P95 o -o z?z E-z oQd =!E id3 lttr d) :z:l (J(J UU oo ; PARTS LIST o co :Z:Z O() UU oo o E9 , *. #E* -OE 3E* qo cl, E r I 0c E EL 6. ;eF ouE - FC F tr o EC o v! Q EEC Ef r orr oc qM E=E FF =o eEd+d o NNNN dds OC ttt

33、rttt tt rrrr rrr - NqNN OOO TF YYY! JJI U () ut uJ E -EE=E ED=E= EEEEE l-=- DhhE E=EE =EE EN=E o mrord ONOdd OrOO dmHmq mmmr OOmOO FOOOm JnO- ooooE Nedqo roioo NGrd dNmori oNmE nomoa ciosc scso r r r r m dGH dodi NGo -dm:o r *-m mieJq =o_m NH DNmNo EE-IO O-IO OTEOE dOIE +I-EE OO=Ea -iOo- q-oo Nqq(H

34、JNadH NdHd nDDD= E= =3-3 -=3= OlE= EEE = =-3 -L3=ddHdy ryyyy Ervx! glyEy Exrr dZr- Hrrooooo=EEE ZO o HH Jz oooeo H H rrr oE FFFFF zooo o ; oooao - F F= ts J FFF F JJ= = cF 5=3 o i_.- 399o ieoa oco.; i3,?o ouE j_; -u: -FX 6 3 i6 :EU iix c lo o o o o c d Zi 3r9r Qo.Y PPf; o -o 2.* Ebz ola -9t3ocr x8.9

35、P E E ,g o6 =o eo :AE E P 3,;? ;= :_; =-i -FX 6 3 P ,.P J 3x .9 lo o o C o o c; z.: C;C zi; a -z f o qd F5*o :;!E *49P rAa I I , r*r ,9 E* F o5 ou * Ed ;. o S* Ec m z I o OF =H- OO oq E a o= N G ro =oJ N EEE T FFF oo I la J J ao o 5558e -B qHNEE EEEEH qE* q ;il. =3j_; 5,E ; a i iix6 ;,; :AE ; -!.: u

36、: I o o o o o c ci Zi dio 3rq. api- E;- o -E zE btz ip31 6-3 0; zLa= xff9P = Eg , !*! #E* E Eo OE o ts 6. !tg ouE N z D D X=oX . -=3o 91 moExraxm 4Z-NGdr.xm oHrG=OEEXm o:o- o : o EdE o F e E oE EOd E Oq OE422i odyz FFFH rooo EFFaF oH = -F N FiEo Errr r56 48 boo. Nm a=doo ooEcEE &s 60Fq moor 60HN mF9

37、r O60 mog + DOD b6D ObOEE =Ll mmrimm mmmmm mmFnh mmmnm mmnq =o! 1600 dNm r603N mosr ooooH diNq( qqNNq ooooo 18 PARTS IIST KX-W595 2 2 0 =22pF CAPACITORS cc 45 rH 1H z2o J tl345b 1 = Type . ceramic, electrolytic, etc. 4 = Voltage rating 2 = Shape . round, square, ect. 5 = Value 3 = Temp. coefficient

38、. Temperature coefficient 6 = Tolerance . Chip capacitors (Erc CC73 F SLlHOOO 123456 (Chip) (CH, BH, UJ, SL) (EX) CK73 F F lHOOO 123456 (Chip) (8, F) J H 7l I I I .t LI EJ 7 loo=loPF T T L-ru,*o,. 101=looPF I I 2ndnumber 102 = 1000pF = 0.001F I 103 = 0.01pF l st number (Less than l0pFl CodeBCDFb (pF

39、) t0.1!0.25+0.5 +1tt Refer to the table above. 1 = Type 2 = Shape 3 = Dimension 4 = Temp. coefficient 5 = Voltage rating 6 = Value 7 = Tolerance 1st WordcLPRSTU Color*BlackRedOrangeYellowGreenBlueViolet ppm/C 0 -80-1 50-220-330470-750 2nd WordlHJKL ppm/C+30+60+120+250+500 Example : CC45TH = 470 + 60

40、ppnr/C . Tolerance (More than 10pF) CodeDUJKX7PNo code PAr0.25 rntr tl+5r10+20+40 -20 +80 -20 +1 00 -0 More than 10pF - 10 - +50 Less than 4.7ytF -10 - +75 - 2nd word tst*ih- ABLDEFtrHJK 01.01.251.62.03.154.05.06.38.0 1 10 1 tr 1620 )q 31.54050OJ80 ctr 21001?5160200250315400500630800 J1 0001 2s01 60

41、02000250031 504000500063008000 Dimension (Chip capacitorsl Dimension codeLT Empty5.6 r 0.55.01 0.5Less than 2.0 A4.5 + 0.53.2+ 0.4Less than 2.0 B4.5 + 0.52.0 + 0.3Less than 2.0 c4.5 + 0.51 .25 + 0.2Less than 1 .25 D3.2+ 0.42.5 + 0.3Less than 1.5 E3.2+ 0.21.6 + O.2Less than 1.25 F2.0 + 0.31 .25 + 0.2

42、Less than 1.25 G1.6+ 0.20.8 I 0.2Less than 1.0 RESISTORS . Chip resistor (Carbon) (EX) RK73 E B 2BOOO J r-r - E fl r-1 r-r r-r 1234567 (ChiP)(3,51 . Garbon resistor (Normal typel (EX) BD14 B B 2COOO J 1234567 Dimension fr 1 = Type 2 = Shape 3 = Dimension 4 = Temp. coefficient 5 = Rating wattage 6 =

43、Value 7 = Tolerance Dimension (Ghip resistorl Dimension codeL T E3.2+ 0.21.6r0.21.0 F 2.0 t 0.31.25 r 0.21.0 (l 1.610.20.810.20.510.1 Rating wattage Code WattageCodeWattaqeCodeWattage 1J1/16W2C1/6W3A1W 2Ar/10w2E1l4vl3D2W 281/8W2H1tzw 19 KX-W595 Track System . 4 track, 2 channe! stereo Recording Syst

44、em . AC bias (Frequency: 105 kHzl Heads .A DECK Playback heads . 1 B DECK Playback / recording heads. 1 Erasing head . 1 Motors .A DECK .X 1 B DECK .x I Wow and Flutter 0.3 7o (W.RMS) Fast Winding Time. Approx. 110 seconds (C-60 tapel Frequency Response Normal Tape. 30 Hz to 13,000 Hz, t 3 dB CrOz T

45、ape . 30 Hz to 13,000 Hz, t 3 dB Signa! to Noise Ratio Dolby NR OFF. .,. 57 dB Dolby B NR ON. . 66 dB (3rd, H.D.,3 %, Chrome tapel Harmonic Distortion . Less than 1.0 o/o (at 315 Hz,3rd H.D.,250 nWb / m, Chrome tapel Note: Component and circuitry are subject to modification to insure best operation

46、under differing local conditions. This manual is based on, the U.S.A. (K) standard, and provides information on regional circuit modification through use of alternate schematic diagrams, and information on regional component variations through use of parts list. SPECIFIGATIONS lnput sensitivity / !m

47、pedance LINE !N . 122.8 mV / 47 ko Output Leve! / lmpedance LINE OUT .775 mY / 3.3 ko IGeneral Power Consumption . . 12 W Dimensions .W:440 mm 117-5116-l H: 129 mm (5-1116) D: 250 mm (9-13116) Weight (Net. a.0 kg 8.8 lb) KENWOOD follows a policy of countinuous advancements in devel- opment. For this reason specif ications may be changed without nc. tice. KENWOOD CORPORATION 145, Dogonzaka 1home, Shibuya-ku, Tokyo 1 50, Japan KENWOOD SEBVICE CORPORATION P.O. BOX 227 45, 2201 East Dominguez St., Long Beach, CA 9081 G5745, U.S.A. KENWOOD ELECTRONICS CANADA INC. 6070 Kestrel Bd