Kenwood-XS-300-Service-Manual电路原理图.pdf

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1、STEREO CASSETTE DECKX-S300SERVICE MANUAL1997-6/B51- 5325-00 (K/K) 2147STEREO CASSETTE DECK X-S300POWERO.T.E.10823CCRSCOUNTERRESETREV.MODEREC LEVELDOLBY-ON OFF7R LRECINPLAYOUTSYSTEM CONTROLAC 110 - 120V AC 220 - 240V LINEKnob(K27-2211-04)Knob assy(K29-6676-04)Escutcheon(B07-2344-02)Knob assy(K29-6678

2、-04)Panel(A60-1148-11)Power cord bushing(J42-0083-05)Knob(K29-6680-02)Panel assy(A29-0869-03)Front glass(B10-2356-12)Knob(K29-6680-02)Phono jack(E63-0136-05)Miniature phone jack(E11-0293-05)Slide switch(S62-0001-05)AC power cord *(E30-)* Refer to parts list on page 13.X-S300(k) COVER( 98.4.24 9:15 A

3、M yW2X-S3002CONTENTS / ACCESSORIESAccessoriesCONTENTS / ACCESSORIES.2ADJUSTMENT.3PARTS DESCRIPTIONS.4PC BOARD.5SCHEMATIC DIAGRAM.7EXPLODED VIEW.11PATS LIST.13SPECIFICATIONS.17ContentsAudio cord.(2)(E30-0505-05)System control cord.(1)(E30-2816-05)* AC plug adapter.(1)(E03-0115-05)Check that the follo

4、wing accessories are present.* Use to adapt the plug on thepower cord to the shape of thewall outlet (Accessory only forregions where use is necessary.)X-S300(k) COVER( 98.4.24 9:15 AM yW3R LRECINPLAYOUTSYSTEM CONTROLAC 110 - 120V AC 220 - 240V LINEOscilloscopeAC voltmeterFrequency counterAC voltmet

5、erAG(A)(B)X-S3003ADJUSTMENTNO.ITEMINPUT SETTINGOUTPUTSETTINGCASSETTE TAPEDECK SETTINGALIGNMENTPOINTSALIGN FORFIG.Unless otherwise specified, set the respective switches as follows: 0dBs = 0.775VTAPE : NORMAL DOLBY : OFF I Cassette mechanism unit (Adjustment of the REC / PLAY head)(1)Demagnetizationa

6、nd cleaningPower : OFFDemagnetization,cleaning, PLAYRecordinghead, erasehead, capstanpinch rollerDemagnetize the REC / PLAY headwith the head eraser. Clean the REC /PLAY head, erase head, capstan andpinch roller using a cotton swab slightlydamped with alcohol.(2)Azimuth of theREC / PLAYheadSCC-1727T

7、CC-153MTT-11410kHz, -10dB(B)PLAYAdjust the output to maximum andadjust the azimuth adjustment screwfor the Lissajours waveform pattern ofthe oscilloscope to become close to a45 straight ling.II PC BOARD ADJUSTMENT(1)TAPE SPEED(NORMAL)TCC-110MTT-111SCC-17273kHZ(B)PLAYVR7Adjust the tape speed so that

8、3kHz isobtained at the center of the tape.III PC board adjustment.(1)PLAYBACKLEVELMTT-150400Hz(B)PLAYVR 1 (L)VR 2 (R)Adjust the playback output to 1dBs.MTT-256, SCC-1727315HzAdjust the playback output to 4dBs.MTT-256U, TCC-120315 HzAdjust the playback output to 0 dBs.(2)BIAS CURRENT(A)Adjust the AG

9、for theoutput of the DECK tobecome 12.5KHz 20dBs.400Hz/12.5kHz (AC-224)(B)REC PLAYVR 3 (L)VR 4 (R)Record 400Hz and 12.5kHz alternately,and adjust the bias current adjustmentpotentiometer for the playback levels tobecome the same.(3)RECORDINGLEVEL(A)Adjust the AG for theoutput of the DECK tobecome 1k

10、Hz 20dBs.(B)REC PLAYVR 5 (L)VR 6 (R)20 dBsMeasurement Equipment ConnectionsRVSFWDX-S300(k) COVER( 98.4.24 9:15 AM yW7X-S3004PARTS DESCRIPTIONSX-S300(k) COVER( 98.4.24 9:16 AM yW8ACEGIBDFHJ2 1357 46Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD(Component side view)

11、56X28-2892-70: TEX28-2940-20: MIX28-2940-71: XCX-S300(K) PCB/SD( 98.4.24 9:23 AM yW2ABDFHJCEGI2 1357 4618 17 16 15 14 13 12 10PROTECTION CIRCUITTHARMAL DETECTINGPOWER SOURCESTABILIZING+15VDET.ABSO.DET.PEAKDET.ABSO.1 2 3DET.PEAK4VCA11DRIVER PRE7VCACOMPARATOR5 6GND8 9( )( )()()()()()()()()( )( )( )()

12、)()()()()()()( )( )( ) (1.0V2.0V1.0V2.0V0.4V11.8V0.4vMECHANISM ASSY(D40-1563-05)K110 1/4WR147R14922KR14822KC1465600PC1455600PC1440.0110 1/4WR146100u16C143+1 2 3456C1470.01L712345RchGNDLchGNDEHC2 560PR1 150KC1 560PC5390P10u16C14+C163900P3900PC156.2KR5150KR662R462R3R2 150K1.5K R124.7u35C12+C6390P100u1

13、0C3+100u10C4+R101.8KC100.033100u16C139+C140 0.01C80.0220.022C7150KC114.7u35 +1.5KR11R9 1.8KC90.0336.2KR8R150C1310u16+1234+-8 756-+0.022C53C545 421 3C550.01C560.0133KR27220PC4915K R2915K R30L3360KR25680PC47C45150P10PC1414.7u35C136+33KR2854L413 2C50220P360KR26680PC48150PC4610u16C142+0.01C51C520.01VR34

14、7K(B)47K(B)VR4R14410K4786532113109111214151651KR161100u10 C63+2.2u50C61+R15582K120K R15468KR15991KR160 110K R156R158220K82KR15756K100K R153 R152 R15147KR16224K47K(B)VR6+1u50C60+2.4KR36R383.9K 3.9K R37R351u50C59+2.4KC1491u50+C150 1u50+C44L610mH10u16R24 R23+220P 220PC43L510mH5.6KR34C622.2u50 +100u10C6

15、4VR547K(B)R2234.7 1/4W10u16C148+5.6KR33C4110KR3210K R31GPGLGHIrefVCCINOUTF/QFQFMGNDGNDOUTIN15KR15K10u16C42+NORCrO21314151011124798653211716181921202724222325262829301.5K18K3.9K0.1u50+O.1u50+1u50+C31 2200P+0.1u500.1u50C32 2200P4.7u35C20+10K R4016VDD VSS131415101112CS2 CS1STB GNDDATA9CLK1324576812K R4

16、8+4.7u35R19 560R1322KC27C294.7u35C39+10KR3912K+10KR14010KR1391000PC22R181.5KC2668002200PC282200PC30R20 56022KC34 C33C35C37C364.7U35C38+R142R17 R212000PC17R1414.7u35C23+5.6KR154.7u35C19+R186 47KR187 47KR188 47K1u50C68+10K R4912K R47100KR45100KR461u50C67+R2244.7 1/4W6800PC25R22 3.9K4.7u35C40+4.7R143VR

17、110K(B)C211000P10u16C155+10K(B)VR25.6KR1676581432-+-321463 241 6100u16C151+0.01C1522200P1u50C18+4.7u35C24+4.7u35C154+22u16C153REC INPB IN1/2VccLINEOUTRECOUTL1L2R14R4127K R4327KR4427K1u50C65+R733.9K R713.9KR743.9KR171 100KR168330R169100KR170330R723.9K47R OUTVCC9DET8GNDR IN6L IN5DET3NCL OUT21123451GND

18、74VZ1OUT2VR3CLOSEOPEN5VCC16VCC28OUTVZ291010R16733KR17810R221R1823.6K1KR183R1841010u16C159+R177 10KR176 10K1112R1664.7K6 70.47u50C1624342 44R555.6KR5339K10KR512.2KR52R5739KR545.6KR5610KR584.7u35C71+1u50C69+2.2K4.7u35C72+1u50C70+2200PC582200PC57R1635.6K470R667574100 R68R6710022KR69R6547022KR70R172100K

19、100KR173C163220PC164220P0.01C16510 1/4WR18545MOTOR -MOTOR +CLOSEGNDOPEN34353637470R63R644704.7R225C1370.01180R145VR6SBUSY SDATA+10u16C156Q36-43R1654.7 1/4W10u16C160+C1610.1u50+14V+14V+9V+9VVDDVDDVDDVDDR2224.71/4W+14VVDD10KR50VDD+14V+14VVDD3881095270K R1741627284700PC1571KR1751/4W1/4W39R190100R189401

20、00415.6KR16417P1+B+B+14V+B+14V+14V+14V+14V+14V+5V+14V+12V+14V+12V+B+14V+14V+5V +12V+5V+B+B+14V+14V+12V+12V+12VVCCVCCVCCVCCVCCVCC+B+14VVCC+14V+B+B+B+B+BVDD+14V+14VVDDVDD+5V +5V+12VRch(-)BLKLch(-)BLKWHT Lch(+)E(+)YELRch(+)RED1.5K(B)(A)(+)(-)5 4 23 1(-)(+)5 4 23 1COMMONCLOSEOPENOPEN COM CLOSEMOTOR+ MOT

21、OR-1234567891015 14 13 12 11NC NC PACK RVS REC SDL- PHOTO OUT MOTOR A MOTOR B +12V COM GND MOTOR- CrO2 PHOTO CATHODE PLAY FWD RECEHE6E71K0.0221/4W1/4W11.8VREC: 5.2VPLAY: 0V1.4V9.2V0V12.9V0.9V1.4V13.5V0V4.9V4.9V0.9VR7REC: 7.1V13.4VREC: 5.2VPLAY: 0V1.6V13.4V13.4V0.6V2.4V1.1V4.4V0.6V4.4V0.6V2.0V13.4V0V

22、PLAY: 13.5V REC: 0V0.6V13.4V1.2V6.8V6.7V13.5V6.7V6.8V6.8V6.8V6.8V6.8V1.9V 1.9V1.8V0.3V6.8VDOLBYOFF: 0VB: 6.7VC: 12.5V1.3V6.8V1.2V13.4VPLAY: 4.0J REC: 0VREC: 4.5V PLAY: 4.1VREC/PLAY: 0VSTOP: 3.9VDOLB:5.3VC:0VOFF:5.3VON:0VDOL5.3VREC:0VPLAY:NOR: 5.2VCrO2: 0VREC: 5.3V PLAY: 0V REC: 0VPLAY: 10.4VREC: 7.9

23、VPLAY: 0V13.5V7.2V5.2VCLOSE: 8.1VCLOSE: 6.4V11.8VREC: 6.3VPLAY: 0VOPEN: 6.6VOPEN: 8.1V6.6V4.3V0V5.2V6.8VNOR: 0VCrO2: 1.3V: 1.3V: 0V CrO2 NORNOR: 5.2VCrO2: 0VNOR:0VCrO2: 5.2VREC: 4.5V PLAY: 4.1VREC: 7.3V8.2KR1806.2KR18115KR179R4227K1u50C66120u: 0V70u: 5.2VREC/PLAY: 5.0VSTOP:0VC: 11.4V B: 6.6V DOLBY O

24、FF: 1.0VGRN YEL ORG BRN RED6.8V6.7V6.7V6.7V6.7V6.7V6.7V6.7V6.7V6.7V6.7V6.7V6.7V6.7V6.7V7.3V7.3V: 5.0VPLAY: REC: 0V13.5VBLKE(-)DIGITAL LINEGND LINE SIGNAL LINE+B-BBIAS OSCQ25Q26D45CN6L-CHR-CHMUTESW 70u/120uD44AMP PBQ15Q13 Q14L-CHHX-PROBIAS-RR-CHBIAS-LIC3F/Q FM GP GL GHREC R REC LREC MUTE(Lch) REC LEV

25、ELREC LEVEL(Rch)REC EQQ23Q29Q28MPXOPE AMPPB-RR-CH L-CHPB-LMPXIC DOLBYE.VOL(REC LEVEL)ON/OFF AUTO BIASQ44R/PMPXCONTROLLOG AMPMUTEOFF/B/CPLAY OUT REC IND12TRAYDRIVERQ38Q39Q36Q40Q41Q42Q43Q32Q33Q34Q35Q30Q17Q18Q19Q20D56D57ON/OFF REC RELAYQ27J1D46D47D51D50D49D48LINE OUT MUTEDRIVERD54D55LchRch Rch LchD11BI

26、ASCONTROL SYSTEMCN5IC11(1/2)(2/2) IC11Q24DRIVER MUTE Q31FWD RECRVS RECPACK PLAYCrO2SOL.PHOTO REFLECTORMOTORERASEHEADLch RchR/P HEADLIMIT SWMIC8(1/2)(2/2) IC8Q16SW EQ RECJ2Q37IC9IC4IC2IC5IC6RECORD/PLAYBACK (X28-2XXX-XX) (A/7)+B LINE-B LINE2SC32462SC3940A2SD8632SD20122SC2785DTA124ESADTC124ESAUN41122SC

27、1740S2SC24582SA1535A2SD2061UN42122SC3311ACXA1198APTC9413PBA6138BA6209HA12170NTBA10393UPC1297CANJM4565L-DX-S300(K) PCB/SD( 98.4.24 9:23 AM yW3( )AC5.0V AC25.2VFWD RECPLAYGNDCrO2COM GND+12VMOTOR BMOTOR APHOTO OUTSOLRVS RECPACKMETALNC MOTOR-()( )( )( )( )( ) () () () ()()(X)() ()() () () ()()()()()()()

28、()()( ()()()()()( )( )( )( )( )( )( )( )( )( )( )( )( )( )( )( )( )( )( )()()()( ()()()()() ()( ()()()( ()()()()()()()()()()()()()()()()()()()()()()()()( )( ()()()()( )X()()()()()()()()()()()()()()()()()()()()()()()() )()( ()()()()()()()()()()()()()() )()()()()()()()()PACK SW252627282930313233343536

29、3738394080797877767574737271706968676665NCNCLEVEL LLEVEL RCERESETX1X2GNDDOL OFFDOL B/CDOL R/PMPX ONNOR/OSCNORCrO2CrO2 SWFWD REC INHBPLAY SWCAP MSOL S DATA S BUSYNC(VDD=5V)VDD(5V)Vfdp(-30V)G8G7G6G5G4G343211u50 C128+1KR134R118680R13510KR11947KR1201KR1211K 1W10u50C129+-C127 10u16+R12610KR133100K10KR132

30、R13047K4.7K R129R12847K4.7KR12777100KR110470u6.3C116+47u25C114+47u35C115+56KR10947u16C107+R10433047u25C109+C106R1015.6KR1025.6K4.7R100R2271KR108330C1111000PR10710KR10610KR11210100u10C118+10u16C117+100u16C113+47u16C112+R1111K4.7R1053300u50C105+100u100C122+47u50C121+R115100R11322KR11410047u100C123+R11

31、622KR1171047u35C124+47u35C125+C1020.01C1030.01R2204.7C1016800P123451112131415 10789 641REC RELAYBIAS ON/OFF474442434546BIAS 1BIAS 2BIAS 3SEG N5048495152SEG M SEG GSEG FSEG HSEG CSEG P535455565758SEG DSEG RSEG ESEG JSEG KSEG B596061626364SEG ASEG SSEG TSEG UG1G224NCNCNCKR2KR1KR0NC(OPEN)AVR OFFLINE MU

32、TEREC MUTELEDPHOTO1821222319201516171314CLOSE SWEVOL CLKEVOL STBEVOL DATATR OUTTR INREC INHBMETAL SWNC(OPEN)OSC OUTRVS 1011127945612312404544434241100100100R197R201 100R202 100R203 100R217R138 560R209 1K1K1K47KR213R212R214R198C1006800P91086R191 100C1100.012728C1380.022R21656R124110KR125100KR12222K13

33、21000P100u16C108+1/4W1/4W1/4W2W0.01C1661/4WW122120V240VT.FWH4WH5(M)(C)(X)(T,E): AC110-120V/50/60Hz: AC220V 50Hz: AC240V 50Hz: AC230V 50HzGNDOUTIN76R123150K847R131 10K10u50C120+10u50C119+1234567891033 19 18 17 16 15 14 13 12 11232729 28 2526 24 2122 2032 3031R194R195R196100 47KR20047K100R199747KR207R

34、20547KR206100100R20412111716C135 100P C134 100P100P C133201847K47K192147K47KR215R210R21147K39 38 37 36 35 3447KR218R21947KX1 8MHzR192 100R193 10065 66 67 68 69 706463626160595857565554535251504948474674 7577 78 79 803 2 1514CP147Kx6R226 1K19 20 21 1846 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62

35、 63 64 65 66 67 68 69 70R208560100u10C132+0.01C1580.01C104R13710K82KR136VR710K(B)1480 78 7912314+14V+5V+12V+5V+5V+12V+5V+B+B +B+B+B+5V+5V-B-25V-25V -25V-25V+14V+14V+12V+12V+12V+12V+12V+12V+5V+5V +5V+5V+5V+5V+5V220-240VS N S M S G S F S H S C S P S R S E S D S J S K S B S A S S S T S U G1 G2 G3 G4 G5

36、 G6 G7 G8 KR2 KR1 KR0OTE-LED+5VPOW-LEDF2 F141 32XTU.K.AUSTRALIAW122ABB.COUNTRYDESTINATIONX28-2892-70 X28-2940-71 X28-2940-20UNIT No.YESNONO S17NOYESYESEUROPEEGENERAL MARKETMCHINAC1/4W1/4WOPEN SW211 1KR17POW-LEDF11F22 3KROOTE-LED+5V54 6G6G611KR2G8G898G710G7G512G5G3G413 14G3G4S TS UG1G215 16G1G217 18S

37、 TS US KS BS AS S19 20S AS S21 22S B S K S RS ES DS JS D2423S J25S ES P S CS RS P2726 28S CS H S F S G S M29 30S H S F31 32S G S MS N33S NnpmeS Pfgcjhdrk b51FF32NP4SEG MSEG NS N S M S H6SEG GS G S F7SEG FS C8SEG H9SEG C32546s3254610SEG P11SEG RS R12SEG DSEG ES DS E1413SEG JS JSEG SS S1615SEG BSEG KS

38、 BS K17SEG AS A1918SEG TS T20NPSEG U3 31212345454s(d b)NP22NP2423NP NP25NP2726NPNP2928NPNP30NP3231NP33NPNPrb csd etf g m h3735NP36NPNP NP38NP4039NP G2G24241NPNP43 4544G3G346G5G4G4 G5pj kun504847G6G649G8G7G8G7F51NP5352FSEG T0V0V0VPLAY:5.0V-22.5V-22.1VSTOP: 5.3VPLAY: 0V-11.8V-25.7V-25.7V-4.6V-11.0V-7.

39、7V-25.1V-8.0V-21.5V-22.4V-26.2VCr02: 5.2VNOR:5.2V2.6V 2.4V 5.3V 4.9VOPEN: 0VCLOSE: 5.3VOPEN: 5.3VCLOSE: 0VOFF: 5.3VLEO ON: 0.3V4.3V0V0V5.3V5.3V-26.0V13.5V29.5V-19.0V13.0V14.7V30.0V11.8V29.0V12.5V13.0V11.3V5.8V0.6V-16.0V-26.8V-13.8V25.0V5.3V5.8V0.6V-40.5V-26.2V-50.5V21.0V17.9V5.0V2.7V5.3V5.3V0V0V11.8

40、VPLAY: 0VSTOP: 11.3VPLAY: 0.7V STOP: 0VG1G1S U5.3VAC5.0V-19.0V1KR2282W4.4V85.3V5.1Vb c d e f g m h kj n p761u50C167+10R231100KR22947KR230AUTO BIASREC LEVELCOUNTERSTAND BYDOLBY NR B CCCRSMPX FILTERTYPE TYPETYPEQ1IC RESETQ11D1Q8Q2 14VAVRQ3Q5Q4 Q6AVR 12VD4AVR -25VRESETON/SPEEDLEDTAPE AMP PHD22D21D20D3D

41、27 D5D19D7 D6D8D18D17D16D15D25D26D23D9D24D2Q75.0V AVRD14D28D13S17CN7CN1S16POWERD10Q9Q10MOTOR/SOLENOIDCONTROLIC7(1/2)u-COM(BOTTOM VIEW)OFFQ12CN3IC7(2/2)WH1CN2E1WH3STOPD30D33D36D31S2RECS5FFS8D34D37D39COUNTERS11D40EJECT FWD1GS10S7S4DOLBYPAUSERVSD32S3 D29S6UPS9REWD35D38S12G 3GE5POWERD53E44GS13DOWNS12DIR

42、CD41WH2E3 E2OTED52S14D422SC2785(F,E) or 2SC1740S(Q,R)UZ-3.9BSB or MTZJ3.9(B): 2SD2061(E,F) or 2SD2012: 2SC3940A(R,S) or 2SD863(E,F): UN4212 or DTC124ESA: UN4112 or DTA124ESA: KBP02ML-6127: RD13ES(B2) or HZS13N(B2) orUZ-13BSB or MTZJ13(B): RD3.9ES(B2) or HZS3.9N(B2): RD11ES(B2) or HZS11N(B2) orUZ-11B

43、SB or MTZJ11(B): RD5.1ES(B2) or HZS5.1N(B2) orUZ-5.1BSB or MTZJ5.1(B): RD16ES(B2) or HZS16N(B2) orUZ-16BSB or MTZJ16(B): RD6.8ES(B2) or HZS6.BN(B2) orUZ-6.8BSB or MTZJ6.8(B): RD2.7ES(B2) or HZS2.7N(B2) orUZ-2.7BSB or MTZJ2.7(B): RD8.2ES(B2) or HZS82N(B2)UZ-8.2BSB or MTZJ8.2(B): HSS104A or 1SS131: HS

44、S104 or 1SS1336G5GS15OTECRSD43aaLRED1 D52,53: CM1508C : B30-2513-05D20-27,29-51,54-59 D13-19 D11 D9 D8,128G20 107G6 3D4,7D5,28D6 D3,10 D2 Q3,7,9,10Q12-16,27-29,32-42,44,45Q17-20,23,24Q30,31D1 Q6,43Q8 Q2,5: 2SD1450(S,T) : 2SA1535A : 2SC3246 : CXP82324-386Q: 2SC3311A(Q,R) or 2SC245B(Y,GR) or +30: BA62

45、09IC5Q1,4,11,25,26,46 IC10IC11 IC8IC9 IC6IC7: PST993D-T: NJM4565L-D : CXA1198AP : BA328 : BA6138: BA10393IC3IC4 IC1IC2: UPC1297CA: TC9413P : HA12170NTmgefrdpnkajhCN4cbD58D59Q45Q46SOLON/OFF SWIC1IC10(X28- ) (D/7)(X28- ) (C/7)ED1X-S300(M)(X28- ) (F/7)(E/7)(X28- )(X28- ) (B/7)TKMOQSLNPRY26-4290-50X-S30

46、0CAUTION:For continued safety, replace safety critical components only with manufacturersrecommended parts (refer to parts 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, l

47、eakage-current or resistance measurements shall be carried out (exposed parts areacceptably insulated from the supply circuit) before the appliance is returned to the customer.The DC voltage is an actual reading measured with a highimpedance type voltmeter with a cassette loaded at playbackmode. The measurement value may vary depending on themeasuring instruments used or on the product. Bias circuit DCvoltage