Kenwood-XSE9-tape-sm 维修电路原理图.pdf

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1、SYSTEMCONTROLRECINPLAYOUTLRPhono jack(E63-0046-15)Rectangular receptacle(E08-0311-05)Power cord bushing(J42-0083-05)AC power cord *(E30- )STEREO AUTO REVERSE CASSETTE DECKX-SE7/SE7(G)/SE9SERVICE MANUAL 1997-8/B51-5342-00 (K/K) 3209Illustration is X-SE7.* Refer to parts list on page 14.Refer to X-E9

2、and X-SA7 service manuals (B51-4926-00/B51-5214-00), if yourequire in detail.1?7283stereo auto reverse cassette deckon/standbyCRLSrev. modeDolby NRBC07 front loading mechanism 7”?Panel(A29-0873-03)Panel *(A60-)Escutcheon(B07-2363-04)Panel(A60-1202-03)Knob(K29-6744-04)Sub panel(A22-1779-11)Indicator(

3、B12-0319-04)Indicator(B12-0319-04)Knob(K29-6745-13)X-SE7(K) 1P 97.11.29 4:13 AM yW 2RadioFans.CN 收音机爱 好者资料库X-SE7/SE7(G)/SE92CONTENTS / ACCESSORIESDISASSEMBLY FOR REPAIRCIRCUIT DESCRIPTIONCONTENTS / ACCESSORIES . 2DISASSEMBLY FOR REPAIR.2CIRCUIT DESCRIPTION.2CONTROLS .3ADJUSTMENT.4PC BOARD . 5SCHEMAT

4、IC DIAGRAM . 7EXPLODED VIEW .11PARTS LIST.14SPECIFICATIONS .Back coverContentsAccessories# Power does not turn on and tray does not come out.1. Turn the pully in the direction of the arrow in the draw-ing with a finger (1).2. If the tray comes out to the front side, pull out the trayby hand forward

5、the front (2).Audio cord (2)(E30-0615-05)System control cord (1)(E30-2628-05) LEDITEMPOWERDOLBY BDOLBY CRVSMODEUNDER ADJUSTMENTPB CALIBERRLRPB LEVELERRLRREC CALIBERRLRREC LEBELERRLRBIAS DACERRLRPB ALL OK ALL OK8 Correction of circuit descriptionLED indication state.X-SE7(K) 1P 97.11.29 5:00 AM yW 3R

6、adioFans.CN 收音机爱 好者资料库1 Tape trayLoad a cassette tape here.2 “on/standby” key/indicatorPress to turn the power on/off (standby). This key is notused when the unit is connected using the systemconnection.3 Dolby NR key/indicatorsPress to switch the Dolby Noise Reduction on/off.4 Play (2 3) keys/opera

7、tion indicatorsDuring stop and pause: the tape direction lights red.During playback and recording: the tape direction lightsgreen.During fast forward and rewind: the tape directionflashes green.5 Open/close (0) keyPress to open the tape tray when loading orunloading tape.6 Stop key (7)7 Pause (8) ke

8、y/indicator8 Record () key/indicatorPress to start recording. When pressed during recording,the tape stops after leaving a non-recorded section(blank) of about 4 seconds.9 Fast forward and rewind (1 ) keys0 “rev. mode” key/indicatorPress to switch the tape reverse mode (two-way or one-way) of the de

9、ck.! CRLS key/indicatorPress to set the recording level automatically accordingto the recorded music source.stereo auto reverse cassette deckX-SE9on/standbyrev. modeDolby NRCRLSBC”?10273?812456890!37- front loading mechanism -(X-SE9)X-SE7/SE7(G)/SE93CONTROLS1 Tape trayLoad a cassette tape here.2 “on

10、/standby” key/indicatorPress to turn the power on/off (standby). This key is notused when the unit is connected using the systemconnection.3 Dolby NR key/indicatorsPress to switch the Dolby Noise Reduction on/off.4 Play (2 3) keys/operation indicatorsDuring stop and pause: the tape direction lights

11、red.During playback and recording: the tape direction lightsgreen.During fast forward and rewind: the tape directionflashes green.5 Open/close (0) keyPress to open the tape tray when loading orunloading tape.6 Stop key (7)7 Pause (8) key/indicator8 Record () key/indicatorPress to start recording. Wh

12、en pressed during recording,the tape stops after leaving a non-recorded section(blank) of about 4 seconds.9 Fast forward and rewind (1 ) keys0 “rev. mode” key/indicatorPress to switch the tape reverse mode (two-way or one-way) of the deck.! CRLS key/indicatorPress to set the recording level automati

13、cally accordingto the recorded music source.on/standbyrev. modeDolby NRCRLSBC?10273?8”?stereo auto reverse cassette deckX-SE712456890!37- front loading mechanism -(X-SE7)X-SE7(K) 1P 97.11.29 4:14 AM yW 7X-SE7/SE7(G)/SE94ADJUSTMENTAC voltmeterAC voltmeterOscilloscopeDistortion meterAGSYSTEMCONTROLREC

14、INPLAYOUTLRKSJ-0816OrderItemInputsettingOutputsettingDecksettingAdjustment pointsAdjustment methodFig.Unless otherwise specified, set the respective switches as follow : TAPE : NORMAL DOLBY : OFF INPUT : REC IN OUTPUT : PLAY OUTI. Cassette mechanism section (Recording/play head adjustment)Demagnetiz

15、ationand cleaningPower : OFFDemagnetization,cleaning, PLAYRecording head,erase head, capstan,pinch rollerDemagnetize the REC/PLAY head with thehead eraser. Clean theREC/PLAY head, erasehead, capstan andpinch roller using acotton swab slightlydamped with alcohol.Azimuth of theREC/PLAY headTCC-153 MTT

16、-114 10KHz, -10dBLINE OUT(Lch or Rch)PLAYAdjust the output tomaximum and adjustthe azimuth adjustmentscrew for the Lissajouswaveform pattern ofthe oscilloscope tobecome close to a 45straight line.II. Printed circuit board adjustment (X28-293)(1)Tape speed(normal)TCC-110MTT-1113KHz(A)PLAYMOTOR VR.Adj

17、ust so ; that thefrequency is 3KHz atthe tape center.(2)Playback levelTCC-130400 Hz(A) MANUALADJUSTMENTMODE PLAYADJUSTMENTVALUEUP : DOLBY KEYDOWN : RVSPLAY KEYCHANGE OFADJUSTMENTMODE CRLS KEYOutput level : -1dBs(3)Bias currentTCC-108A12.5KHz, -21dBm(A)MANUALTEST MODEREC and PLAY-21dBm(4)Recording le

18、velTCC-108A400Hz, -21dB(A) MANUALTEST MODEREC and PLAY-21dBmRVSFWD# The method of the manual adjust-ment mode.(1) SettingShorting the TEST pin of (X28-)(A/5) TP5 w TP4 with thediode, plug the power cord to theAC wall let.(2) Refer to manual adjustmentmode(3-3), if require moredetails.(A) Measurement

19、 Equipment ConnectionX-SE7(K) 1P 97.11.29 4:14 AM yW 8ACEGIBDFHJ2135746EB16441248065402511101613BE131101391111111210110155121810BEBBBBBEBEEEEE19EEBB151101IBEBEBEGOREC INPLAYOUTSYSTEMCONTROLACOUTLETEBEBEBEEBEEBBBBEBEBEBEE BEBEBEBEBE BE BEBEEEEBBBBRefer to the schematic diagram for the value of resist

20、ors and capacitors.PC BOARD(Component side view)56X-SE7(K) PCB/SD( 97.11.29 4:19 AM y W 2ABDFHJCEGI21357466.4VREC:0V6.4V6.5V1.7V1.7V6.5V6.5V6.5V6.5V6.5V6.2V6.4V7.0V7.0V6.2V6.2V7.0V6.4V6.5V6.5V6.5V6.5V6.5V1.7V1.7V6.5V6.4VREC:0V6.4VCRO2/METAL:5.0VNORMAL:0V25.8V5.1V12.6V12.9VREC:4.8VREC:0V7.9V7.3V12.9V

21、9.8V3.7V1.3V0.7V3.7V0.7V1.3VPLAY:12.9VREC:0VPLAY:0VREC:5.0VREC:4.4VPLAY:0V0.5V0.8V7.3V0.6V0.5V0.8V12.3V12.3V5.0V11.6V12.2VPIN123456789181716151413111210PINNORMALCRO2METALMETALCRO2NORMAL1.9V4.4V3.2V4.4V2.4V1.9V2.6V4.1V3.2V3.6V12.9V0V12.9V1.8V2.9V4.38V2.3V3.4V1.7V2.9V2.64V4.1V12.9V1.69VMODE:RECORDINGI

22、C8 VOLTAGE7.0V10u16C229+C239 1u50+22u16C209+C21022u16+10u16C233+10u16C232+22u16C234+C238 100u16+47u16C21+C214 1u50+1u50C114+C122 0.1u50+C124 0.1u50+C126 10u16+C130 0.1u50+C132 2.2u50+C131 2.2u50C125 10u16C121 0.1u50+1u50C113+C123 0.1u50+C129 0.1u50+()()()()()()()()()()()()()()()()()()()()()()()()()(

23、)()()()()()()1817161514131210PROTECTION CIRCUITTHARMAL DETECTINGPOWER SOURCESTABILIZING+15VDET.ABSO.DET.PEAKDET.ABSO.123DET.PEAK4VCA11DRIVERPRE7VCACOMPARATOR56GND890.022C225220KR2190.01C2210.022C227R221 33KC223 560P33KC2280.0220.022C226C2220.01220KR220C224560PR222C23010P1234564123HXL4150PC218220PC22

24、016220P4C21932L3EHC217150PEH46L93125C231 0.010.01C23722KR22610 1/4WR22410R2231/4W5600PC236R225 22KC235 5600P68R2334.7KR235K1150KR207390PC20510u16C203+R205160R2030.022C2076.2K12435160R2046.2KR206150KR208390PC20678960.022C20810u16C204+C201 680PR201 150KC202 680PR202 150KQ31,3210mHL7220PC21515KR21115KR

25、21210mH220PC216L8Q4410KR21410KR2131KR22910R23022KR22710R234R2285.6K1/4W1/4W109876543211112R218 1KR217 1KR216 10KR215 10K3.3KR2311KR232Q47,48121189107654132PLAY/RECPLAY LchGNDPLAY RchREC LchREC RchBIAS RchBIAS LchBIASERASEEH GND13V123456GND1OUT12Vz13Vref4Fin5Rin6Vcc17Vcc28Vz29OUT210C20 0.110R45C18 0.

26、1R44 1KR42 1KR43 1K1/4W12345R1093.9KC1076800PNCL1MPX1.5KR107R158 18K56E. VOLE. VOL71180VREF7778791A3254REFVR3VR2747576VR1GND7273DACSBIT67GNDVR1686970VR2VR3BIAS6566DACSBIT64631AVREF606261585957REC OUT876109B/C NRDOLBY1211VOLRECTEQLMA+SBITDAC+LMADACSBITREC OUTB/C NRDOLBY5455515253RECTVOLEQ4950C10310u1

27、6+1u50C105+R103 33K1u50C143+1u50C154+C10410u16+C1061u50+C1441u501.5KR1086800PC1083214R1105L2NCMPX3.9K39KR10539KR106R104 33KC213 1u50+3300PC2113300PC2121.5K1.5KC118 2200PC116 2200P22KR1140.033C112220PR112 2.2K10mHL6R116 560C110C120 2200PR126 10KR130R128 4.7KC134 1u50+22KR1204.7KR1182.2u50C128+1.1KR12

28、2R127 4.7KC133 1u50R125 10KC119 2200PC115 2200PC117 2200PR115 560C127R1214.7KR117R11922K1.1K2.2u50+C111C1090.033220P22KR113R111 2.2K10mHL53300PR161 6.2K0.112K1.2KR163C146R162C14547KR160 120KR164 22K123456789101514131211R210R209123456789101341413504642414039322963125468710921345879111013121415REC. RM

29、UTE +BBIAS. R13VBIAS. LCLKDATASTRESETREC. LLEV. L5VS. BUSYS. DATAD. GNDA. GNDPLAY. R120/70400/12.5kPLAY. LOSC ATTOSCLINE MUTEREC MUTELEV. R1234567891013111247KR74.7KR83.3KR1047KR94041R6 100R5 100R3 100R1 10047KR54R2 100100R41R40100656467667877765975744544525148434246613839504947REC FHALL OUTSOLHALFG

30、ND12VMOTOR +MOTOR COMMODECrO2METALREC ROPENCLOSECOMMOTOR MOTOR +EHLchRchGNDEH GND+ERASE(BRN)+E (BRN)-E (BLU)+R (GRN)-L (ORG)+L (RED)LchRch+12VGND(BLU)-ERASE-Rch(YEL)+Rch(GRN)(RED)+Lch-Lch(ORG)EARTH(WHT)-R (YEL)GND (WHT)12345EHEH GNDRchLchGND1234567891013111221RchLch6543CLOSEOPENCOMMOTOR -(CCW)MOTOR

31、+(CW)FEW RECHALL OUTSOLHALFGND12VMOTOR +(CW)MOTOR (CCW)COMMODECrO2METALREV RECDOLBYHX PROERASE OSCQ45Q46D33Q44Q33Q31Q32IC7(1/2)(2/2)IC7PLAYMUTEPB EQRELAY SELECT.PLAY/RECD32Q41Q43Q42EH CONT.Q48Q47CONT.BIASCN12CN11CN5D18D20CN6Q24Q23Q27Q28Q29Q30D22CPMCONT.Q6Q8CONT.SOLENOIDQ7Q9D8D9CN10CN4MOTORDRIVECN2CN

32、3CN9LchERASEHEADR/P HEADRchPHOTO REFLECTORMOTORS6S5S4S3S2S1SOLTRAYMOTORS8S7LchRchIC8(X28-2932-71) (C/5)IC6(X28- ) (B/5)R/P/E HEADHEAD PCBMECHANISM (D401574 05)CAUTION: For continued safety, replace safety critical components only with manufacturers recommended parts (refer toparts list). indicates s

33、afety critical components. For continued protection against risk of fire, replace only with same typeand rating fuse(s). To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out(exposed parts are acceptably insulated from the supply circuit) before the ap

34、pliance is returned to the customer.The DC voltage is an actual reading measured with a high impedance type voltmeter with a cassette loadedat playback mode. The measurement value may vary depending on the measuring instruments used or onthe product. Bias circuit DC voltage is measured while in the

35、record mode.X-SE7(K) PCB/SD( 97.11.29 4:19 AM y W 3REC: 5.0VOTHER: 0VPLAY,REC,REC PAUSE: 5.0VOTHER: 0VAC22.0V5.1V5.1V4.7V4.8V5.1V11.3V25.5V12.3V12.9V0.6V5.7V6.1V12.3V14.0V13.5V25.8V12.9V26.0V5.1V4.7V5.1V0V4.8V0V0V0.6V1.3V1.3V3.2V3.5V1.3V1.3V1.3V1.3V1.3V1.3VNORMAL:2.0VMETAL/CRO2:3.3VSTOP:4.4VPLAY/REC

36、:0VREC: 0VOTHER: 4.3V1.2V6.3V12.9VDOLBY OFF:0VDOLBY ON:5.0VDOLBY B:0VDOLBY C:5.0VPLAY:0VREC:5.0VOTHER:4.3VREC:0V+()()()()()()()()C158 22u35+()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()1u50C23+1u50C24+C14 1u50+10u16C8+C610u16+C7 47u16+C9100u10+100u16C5+1000u35C11+1000u35

37、C1+1u50C22+)()()()()()()()()()()()()()()()()()()()()()()(KS0KS1KS2KS3IREF1314EQRECEQ-CONTROLERNNNC171615NMHNHC20191821HM222324GHGLGPDACSBIT252627FMFQF/Q282930BIASVCCEQREC4748ADJ.BIASDACSBIT3132VCCBIAS33343536GNDNMCONTRESET MPXSWC/BON/OFF44454643423738C394041LOGICILLR159 24KC136 2.2u50R124 1KR145120K

38、R13947KGPR140R14651K36KGLR141R14756K30KGHR142R14868K56KF/QR143R14943K56KFQR144R150220K220KFMNCNNR123 1K47KC155 1u50C156 1u50C157 1u502.2u50C135+C141 18PC138 1u50+R132 100KC137 1u50+R131 100KR151 100KR152 62KR157 3.9KC139 18PR154 5.6KR153 5.6KC140 56PR155 5.6KC142 100PR156 1K2932394041424650220PC1022

39、20PC101100R102100R101220P220PC150C1491.2KR1334.7KR1374.7KR1381.2KR134R13656KR13556K0.01C148100KR168100KR167220PC152220PC151R169 56KR166 10KR165 10K1314143REC MUTELINE MUTECLOSESOL802564S. BUSYOPEN179CASS. SWFin2678R. INH ARin2777READ2876AVSSCE2975TEXNC3074TXNC3173VSSVDD3272XTALA3371EXTALR. MUTE3470R

40、STL. MUTE3569NCOSC ATT3668NC400/12.5k3767NC120/703866NCCR F/S3965NCS. DATA402DATATEST 2633CLKA. ADJ624PH SWM. ADJ615NCTEST 1606OSC OUTKS0597NCKS1588GNDKS3579GNDKS25610GNDNC5511GNDNC5412NCNC5313STBNC5214DATAKR25115PLAY/RECKR05016BIASKR14917CLK SYSTEM ICNC4818ERASELED24719PLAY SWLED04620LEVEL. RLED145

41、21LEVEL. LNC4422R. INH BNC4323I/INC4224CPMNC41E2 PROMSYSTEM IC6566677475767778R39 10K41R55 47K4243444546474849505152R56 47KR53 47KR51 47K403839C170.0110MHzX159R59 10KR61 47KR60 47KR62 47K12345678910201918151416182019161514R63 47KR64 47KR65 47KR66 47K34567Q131615KR521u50C13+R38 100K10KR371KR460.01C15

42、0.01C160.022C271KR271.5KR26680 2WR244.7R231.8GNDOUT IN1/4WR22100 1/4W47u16C3+C2R2110K2.7 1/4W+10u16C4R2010KR191000P123132+5.6KR255.6KR280.01C2512T14VSSDATAA23CLKA0A12VCCNC15678C12 0.01R3522KR331K22KR34R29 100K330R32330R31R30 100KGNDS.DATAS.BUSYS.GND34105150R251150R252R2531507LED G21LED G12LED G08KR2

43、9KR1KR06123456798101LED G12LED G03KS04KS15KS36KR07LED G28KR29KR110KS261626347KR5847KR576480163R361K621801/4W1/4WP1RECORDING LINEGND LINESIGNAL LINE1.2K 1WR1731.2K 1WR172R1711.2K 1WR129C147+100u1647KR4822R471/4WR670.01C10C19 0.01D66RECD62PAUSED67D63DOLBY CD68D64RVS MODEDOLBY BCRLSS9D49S5D45S10D50S6D4

44、6S1D41S2D42D51S7D47S12D52S8D48S3D43S4D441234LchRchRECPLAYRchLchQ21Q22MUTED24D23Q25Q26D10D21J2J3Q13KS03DRIVEQ14Q16Q15TEST MODEQ11Q12Q10RESETD17Q3Q2D4D19u-COM5VAVRRESET12V AVRD2D3Q1Q4Q513V AVRD7D5D1D6E1E2WH3CN1AC INE2ROMD12D11D13D14D16D15SYSTEMCONTROLFWDRVSSTOPFFREWPAUSERECDOLBY NRCRLSON/STANDBYOPEN/C

45、LOSERVS MODES11CN7WH4E3230V50HzQ45,46Q44Q41Q33Q31,32Q25,26Q23,24Q21,22Q1316Q8,9,11,12,27,28,30,42,43,47,48Q7Q6Q4,5,10,29Q3Q1,2IC8IC7IC6IC4IC3IC2IC1D6171D32D21D18D1117D8,9,33D57,10,19,20,2224,4152D4D2,3D1: 2SC2785(F,E) or 2SC1740S(Q,R): DTC124ESA or UN4212: 2SC3940A(R,S) or 2SD863(E,F): DTA124ESA or

46、UN4112: DTC143TSA or UN4216: DTA124EUA or UN5112: 2SD1302(S,T): 2SD2114K: UN5119: DTC124EUA or UN5212: 2SA1286T11: 2SA1534A(R,S): 2SC4081: 2SC3246: 2SD2061(E,F) or 2SD2012: UPC1297CA: TA8125S: BA6209: XL24C01AP: PST993DT: HA12167FB: CXP84124144 Q: B30243005: UZ8.2BSB or MTZJ8.2(B): UZ4.7BSB or MTZJ4

47、.7(B): UZ6.8BSB or MTZJ6.8(B): MA111: 1SS131 or HSS104A: 1SS133 or HSS104: UZ-5.1BSB or MTZJ5.1(B): UZ-6.2BSB or MTZJ6.2(B): KBP02ML6127(BOTTOM VIEW)(X28- ) (D/5)(X28 ) (E/5)X-SE7(E)IC1IC3IC4(X28 ) (A/5)IC2R254 1KD65D61D69ON/STANDBY(RED)(RED)RVS PLAY(GRN)FWD PLAY(GRN)WH1WH2ACOUTLETK onlyJ1TKMOQSLNPR

48、Y26-4330-21X-SE7/SE7(G)/SE92SA1286-T112SA1534A2SC32462SC3940A2SD13022SD863DTA124ESADTC124ESADTC143TSAUN41122SC1740SUN51192SC40812SD2114KUN4212UN42162SD20612SD2012TA8125SXL24C01APUN5212BA6209UPC1297CAHA12167FB2SC2785DOLBY and the double-D symbol are trademarks of Dolby LaboratoriesLicensing Corporati

49、on. Noise reduction circuit made under license fromDolby Laboratories Licensing Corporation.DESTINATIONUNIT NO.J1WH1,2COUNTRYABBUSAK0-00OOUKTEUROPEE2-71XXGENERAL MARKETMX-SE7(K) PCB/SD( 97.11.29 4:19 AM y W 4X-SE7/SE7(G)/SE9X434414401436CGLM417426426412411409436424408407425431432402 420CBx2CEx5CIx2C

50、Hx2CFx2CDCCCACBx2CA405430410406813434414401436CGLM417426426412411409436424408407425431432402 420CBx2CEx5CIx2CHx2CFx2CDCCCACBx2CA405430410406813434414401436CGLM417426426412411409436424408407425431432402 420CBx2CEx5CIx2CHx2CFx2CDCCCACBx2CA405430410406813434414401436CGLM41742642641241140943642440840742