Kenwood-XW-320-Service-Manual电路原理图.pdf

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1、STEREO DOUBLE CASSETTE DECKX-W320SERVICE MANUAL1997-8/B51-5348-00 (K/K) 3486STEREO DOUBLE CASSETTE DECK X-W32000811DUBBINGNORM. HIGHO.T.E.REC LEVELMINMAXPOWERDOLBY NRCCRSRESETREV.MODEAB237237-ON OFFRECINPLAYOUTLINER LSYSTEM CONTROLAC 110 - 120VAC 220 - 240VCassette lid assy(A53-2021-08)Front glass(B

2、03-3818-08)Cassette lid assy(A53-2022-08)AC power cord *(E30-)Phono jack(E11-0369-08)Slide switch *(S90-0125-08)Miniature phone jack (E11-0188-05)Power cord bushing(J42-0336-08)Panel(A60-1287-08)* Refer to parts list page on 16.X-W320(K) COVER( 97.11.29 4:36 AM yW2X-W3202CONTENTS / ACCESSORIESAccess

3、oriesCONTENTS / ACCESSORIES.2CIRCUIT DESCRIPTION.3ADJUSTMENT.6PC BOARD.7SCHEMATIC DIAGRAM.9EXPLODED VIEW.14PATS LIST.16SPECIFICATIONS.Back coverContentsAudio cord.(2)(E30-0505-05)System control cord.(1)(E30-2733-05)* AC plug adapter.(1)(E03-0115-05)Check that the following accessories are present.*

4、Use to adapt the plug on thepower cord to the shape of thewall outlet (Accessory only forregions where use is necessary.)X-W320(K) COVER( 97.11.29 4:37 AM yW3X-W3203CIRCUIT DESCRIPTION1. Microprocessor1-1 Microprocessor periphery block diagramPin No.I/OFUNCTIONKR0KR1KR2KR363FIP23SBCWCCW64FIP22SCCOUN

5、TER BF.F AREV ASTOP A65FIP21SDREW AREV MODEDOLBYFWD A66FIP20SECOUNTER ADUBB HIGHDUBB NORCCRS67FIP19SFO.T.EPAUSERECORDSTOP B68FIP18SGREW BF.F BREV BFWD BKEY MATRIXREC MUTELINE MUTEPLAY B/AB BIASB R/PDATACLOCKSTROBEDOLBY C/BDOLBY ON/OFFLEVEL LLEVEL RCLKSTROBEDATARESETLINE MUTEREC MUTESOLBCPMBCSPBB PAC

6、KR RECF RECB CrO2PHBB PLAYSOLACPMACSPAPHAA CrO2A PLAYA PACKBIAS NORBIAS CRO2PB AMPTAPE ATAPE BDOLBY NRREC EQIC 102HX-PROFLIC 201SYSTEM ICu-COM IC 101DRIVER BDRIVER AR/P MECHA BPB MECHA AKEYMATRIXCMAL2Z078ACMAL2Z077AX-W320(K) COVER( 97.11.29 4:37 AM yW6X-W3204CIRCUIT DESCRIPTION1-2 Pin descriptionPin

7、 No.Pin NameI/ODescriptionAction17G7G1OFL tube grid signal output (G7G1)8VDDSUPPLY (+5V)9CLKOSystem IC clock output10STBOSystem IC strobe signal inputH11DATAOSystem IC serial data outputH/L12HXPROOHX-PRO bias switching L : ONL13PLAY B/AOB/A Head switching H : BH/L14DOLBY ONODOLBY ON/OFFH15DOLBY C/BO

8、DOLBY C/BH16MPXOMPX FILTER OFF/ONL17RSTIReset signal inputL18CPMAOA capstan motor ONH19CPMBOB capstan motor ONH20AVssGND21PHAIA mecha rotation detectionL22PHBIB mecha rotation detectionL23A PACKIA tape detection inputH24B PACKIB tape detection inputH25A CrO2IA mecha CrO2 tape detectionH26B CrO2IB me

9、cha CrO2 tape detectionH27LEVEL LICCRS, DPSS Lch signal input28LEVEL RICCRS, DPSS Rch signal input29AVDDANALOG SUPPLY (+5V)30AVREFFOR ADC31, 32XT1, XT2OPEN33VssGND34X1IClock oscillator35X2IClock oscillator36CSPBOB-Capstan motor speed High/NorH/L37B BIASOB Bias ON/OFF H : ONH38B Mecha R/POB REC/PLAY

10、switchingH : RECH39F RECIA-Fool Proof FWDL : REC OKH40R RECIA-Fool Proof BWDL : REC OKH41CSP AOA-capstan motor speed High/NorH/L42SOLBOB solenoid ONH43SOLAOA solenoid ONH44EQ SPO45S DATAI/OSerial data input outputH/L46S BUSYI/OSerial busy input outputH/L47CEISystem StopL48ICConnect to VSS49LINE MUTE

11、OLine mute controlH50REC MUTEORec mute controlH51BIAS NORMALOHX-PRO Bias switchingH : NORH52VDDSupply (+5V)53B PLAY SWIB-Mecha Mode SWL : PLAYL54A PLAY SWIA-Mecha Mode SWL : PLAYL55EQ 70/120OEQ switchingH : 70usH56OTEOOTE LED IndicatorL5760KR30IKey return signal input(KR30)6170HSPOEQ SP HIGH switch

12、should be set as follows :TAPE : NORMAL, DOLBY : OFF, INPUT : LINE0dBs=0.775VI.Cassette mechanism section (REC/PB head adjustment)X-W320(K) COVER( 97.11.29 4:37 AM yW11ACEGIBDFHJ2 1357 46Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD(Component side view)78X-W320(K

13、) PCB/SD( 97.11.29 4:31 AM yW2ABDFHJCEGI2 1357 461.7V4.7VNOR DUBB:0VHI DUBB:4.2V0VHI DUBB:0V NOR DUBB:3.0V13.3V0V1.3V0.8V4.7V0.8V6.6V6.6V6.6V13.3V4.3VREC:0V PLAY:2.5VREC:0V PLAY:4.3VREC:4.3V PLAY:0VREC:2.5V PLAY:0VPLAY:4.3VREC:0VREC:4.2V PLAY:0V13.3V PLAY/STOP:0V REC:REC:4.7VREC:4.2VREC:0V9.2VHI DUB

14、B:5.7V NOR DUBB:HI DUBB:10.2V NOR DUBB:9.2V13.3V11.0V11.8VREC:12.2VREC:11.6V9.2V DUBB:5.7V HI DUBB: NORSTOP: PLAY:11.8V0.8V3.7V HI DUBB: 11.8V DUBB: NORPLAY:11.1VSTOP:11.8VSTOP:0.4V PLAY:2.7VHI DUBB:10.2V NOR DUBB:9.2V11.9V11.8VA PLAY:0VB PLAY:4.7VA PLAY:13.3VB PLAY:0VPLAY:0V B REC:0.6V13.3V4.7V1.3V

15、0.8V4.7V13.3VCROZ:0V NOR:2.7VCROZ:2.8V NOR:0VPLAY:0.7VREC:0VNOR:1.9VCROZ:2.8V1.2V4.3V1.7V1.2V2.4V13.3V4.3V1.1V4.3V1.7V1.1V3.0V13.3V13.3V 13.3V13.3VB PLAY:0V REC:4.7V6.6V1.8V1.8V6.6V6.6V0V0V6.6V0V1.3V1.3V1.3V6.6V1.8V1.8V6.6V6.6V0V0V6.6V1.2V6.6V1.3V1.3V1.3V1.3V1.3V1.3V0.8V11.1V PLAY:11.8V STOP:PLAY/RE

16、C:11.8VSTOP:0.8V2.7V0.4V PLAY:STOP:11.8V13.3V-19.8V0.7V6.1V4.3V3.0V4.9V5.5VPLAY:0.7VPLAY:0.7VRECORD/PLAYBACK UNITTAPE B (D40-1569-08) TAPE A (D40-1570-08)IC102IC401IC501IC301IC2MIC402499.4VR5250.039 C108 C1070.0394.8V5.6K 5.6K9.4VC411C412R460 R459-24.4V-24V+B +B+12V+12V+13V+9V213VR50143332121328+5V+

17、5V+5V+5V+5V+13V+13V+20V+4V+4V+4V+4V+4V+5V+12V+5.5VC211 0.1C2080.47u50R250R244 10KC2120.1VR201R1392.7KR5324.7KR5261.5KVR401R318470R314390- + + -INOUT+C51510u35R51710C5210.018C513 10PR3163.3KR3223.3KC3105600PC3095600PR40747KR4081.5KR31218KR31118KR310100C3082200PC3072200PR3213.3KR3153.3K37R301 27KR302

18、27KR31910KR32010K38R9990R317470R31339027+13V+12V+13V+13V+12V+12V+13V+13V+13V+13V+9V+13V+13V+12V+13V+12V+13V+B+BR5281.5KR52747K19364.7KR52447K R523100KR522680VR502 1KR529680+C52010u3542C525 220PL502 10mHR530680R501 15KR502 15KC526 220PL501 10mHC514C5170.01R5142.2 2.2R513R51556KR53112KR51918K5600PC519

19、 3900PR516 56KC5183900PR403100KR40447KR402680 R4012.7KVR401 2.2KVR402 1KR4654.7K1841R406 1.5K R40547KR1415.6KC105 10u35+R1385.6KR1375.6KR1352.2KR1362.7K+C1162.2u5022KVR102 VR10122K+C1152.2u50R13333KC1130.01C1090.022C111560PR13433KR131270KC103150PC101470PC104150PC102470PC1100.022C1140.01C112560PR1322

20、70KR462 22KR461 22KR30810KR306100K74381526R463 10KR45368VR403220R4556.8K150K0.022VR40422068R45410u50 C408+ +C40547u16R4566.8K150K0.022+C413100u16R409 220KC401 270PR450 220KC402 270P- + + -R458 22K220P+C40710u50+C40647u16R457 1KR452330KR451330KC410390PC409390PC404220PC403C50410u5010u5047u16R5106.8KCC

21、512 0.022R512 150KC503+C506470PR508150K+-4390P220VR504C5102+C507470PR507150K+C508R5066886R5031KC505R5056847u167+ -5390P220VR503C50931100R309R219180KR213150KR207220KR220100KR21468KR208100KR21536KR22168KR20975KR22222KR21627KR21056KR21736KR22856KR21156KR224150KR218180KR206120KR212180K50R303 27KR304 27K

22、84712 3 5 60.47u50R307 10K+C3021u50+C3011u50R305 100K+C305100u10+C3040.47u50+C303R5212.7KVR501 2.2K54212523532226243940R15110K51R1408.2K+C218 0.1u50+C214 10u35R2493.3K3.3K+C220 2200P+C216 0.1u50+C204 0.47u50C210 2.2u50R248R246 100KVR202 10KR252 4.7KR24210K37383435+C202 2.2u50R2363.9KR28010KR20268KR2

23、05100KR20147K343537382829303132R20347KR20447K323130292827C201 2.2u50+R2353.9KR241 22K+C203 0.47u5027R243 10KR245 100KR247+C209 2.2u50R251 4.7K+C2070.47u50VR20110KR28220+C42100u10R27220+C35100u16C340.1R9980+C239 10u35C217 0.1u50+C213 10u35+C215 0.1u50C219 2200PR31K+C610u35C81000u6.3+C7100u10+R556K+C9

24、22u50R4100KFH1630mAF1FH2123GNDRch Lch2 1MTRAMTRB3GND5A.PLAY MTR+B47 6PHA+5V8SOLA10APACK ACR029GND Lch12Rch32 1MTRAMTRBLchRchGND34+5V6 5MTR+BA.PLAYSOLA8910ACR02APACK7PHA13 25 413 2GND GNDLcH456GNDE.H Rch1MTRA35GNDB.PLAY MTR.+B4MTRB2678+5VPHBSOLBBPACKNCF.REC1011129BCR02R.REC132 13MTRB MTRAGND4568 7109

25、MTR.+BB.PLAY+5VPHBSOLBBPACK BCR021113 12F.RECR.REC NC GND2Rch GND34Lch1GND5E.H6LchRchE.HSCREW EARTHL-CHR-CHLMALMARECEQ EQRECGND123456789181716151413121110DET. ABSO.DET. PEAKVCACOMPARATORPOWER SOURCE STABILIZINGPROTECTION CIRCUIT THARMAL DETECTINGDET. ABSO.DET. PEAKVCADRIVERPRE33LM-INGND2NNNCNMHNHCHM

26、LM-INIREFFMFQF/QGHGLGP4847464544434241403938373635+C501100u16C511 0.022R511 150K6.8K R5093417181920212223242526272829303132VSSVCC1NMY1Y3YY2Y0BAX3X0XX1X2VDD876543219111213141516+5V+5V+5V+5V)()()()()()()()()( )()( )()()()()()()()()()()()()()()()( )( )( )()()()()()() () () () () ()()MPB LEVEL (Lch)RchL

27、chPB LEVEL(Rch)B-PB EQ.EQ.SPPB LEVEL (Rch)(Lch) PB LEVELA-PB EQ.LchRchSELECT A/BBUFFER+5.5V AVRLEVEL REC(Lch)(Rch) REC LEVELCSP SWCPM SWSOL SWB BIASNOR SPEEDBIAS OSCSOL SWCPM SWCSP SWNOR SPEEDHI SPEEDSW B REC/PLAYHX-PROBIAS(Rch)(Lch) BIASTP501HI SPEEDQ306Q401Q406Q405Q404Q301Q307Q302Q305Q303Q304Q410Q

28、411Q308Q507Q505Q506Q512Q511Q510Q509Q508D505Q504D504L503Q501Q502Q503D503D502D401Q403Q402Q103L101L102D402Q409Q408Q407D501RLY501Q101Q202Q201ZD7D25D26ZD2D6D5Q1ZD1D7D9CNS402CNS401CNS501CNS502JK301RchLch LchRchREC INPLAY OUTDOLBY B/C NRRECTDOLBY B/C NRRECTREC-EQ CONTROLERX-W320(K) PCB/SD( 97.11.29 4:32 AM

29、 yW3TKMOQSLNPR-31.5V4.8V-19.2V6.6V6.6V6.6V6.6V6.6V6.6VON:3.9V OFF:0VB:0V C:3.9V0V13.3V7.2V6.6V6.6V6.3V6.6V6.6V0.7V6.6V6.6V6.6V6.6V1.4V-22.5V-25.0V19.4V20.0V11.9V4.8V4.5V0.3V4.8V0.2V1.0V4.8VA.PLAY:0VB.PLAY:0V4.8V4.5V-12.6V-12.4V-12.4V4.6V-19.2V-24.4V-22.2V -22.2V -24.2V -24.4V -24.4V -18.5V -24.4V -2

30、4.4V -18.3V -24.1V -12.3V -9.4V -12.4V -12.4V-22.2V-22.2V-22.2V-22.2V-22.2V-22.2V-22.2V4.8V4.8V4.8V4.8V4.8V4.7V4.7V0V 0V2.2V 2.3V70uS/HI:4.7V120us:0V 70uS:4.7VNOR:0V HI:4.7V4.5V4.5V0V7.2V6.6V6.6VDISPLAY UNITIC1IC101IC201LRDOLBY NR321321AC110-120V220-240V50/60HzT.FAC220-240VSW702AC110-120V0.047C701K7

31、02K701AC CORDK7010.047AC120V60HzT.FSW701K702AC CORD1 2C701SW7011 20.5 1/4WT.FC7010.047SW7011AC CORD50HzK701221C : AC220VE/T : AC230VX : AC240VK702R2613.3KP1 P13.0V ACR1710K0.3V6.6VPAUSE BSDSFSTOP BKR3NOKR2KROKR1NC111213151617 141819 109 8 7 6 5 4 3 2 1G8G7G6G5G4G3G2G1SCSDSESFSGSHSISJSKSLSMSNSOG9SASB

32、GNDF1+5VR3R2R1R0SASBSCSDSESFSGSHSISJSKSLSMSNSOG9G8G7G6G5G4G3G2G1F2CCRSREW ADUBBHIGHCOUN ASEDUBBNORREVERSEMODEREV BFWD EFF BREW BSGSTOP ADOLBY REV ACCWNOCOUN BFF ACWSBSCFWD AREC BOTE-24V-24V-32V-23V+5V+5V+5VR1131KR1231KR125 1KR165 56K-24V-24V-24V-24V+5VQ206,209Q205,2104039260213+5V+5V214 15 16+12V+20

33、V+5V+5V+5V+5V+5V+5V+5V+19V+19VR2832.2KR1031KR105 1KR1091KR1071KR1111K+C4010u35C228 0.033P9P7P15P4 P8GNDOUTINFH3FH4F2 1A-B +BSIGNAL LINEGND LINE RECORDING LINE+C4410u1636+13V+13V+13V+13V+13V+13V32 202122242526 232729 2831 3032R258 560+C250 10u352200PC2242200PC222R256 22KR254 1.5KC242330P6.8mHL2024R28

34、4 2.2K4.7KR282R260100KC2304700P+C2260.1u501213 2C252 3900P6+C2250.1u50C241330P6.8mHL201R25522KR253 1.5KR2705.6KR2685.6KR2665.6K11910C240 18PC238 18PC236 56P820R262 18K+C232 0.47u50+C234 1u502KR277820R2741.8K2KR276R278C229 4700PC2270.0331.8K R273R2754.7KR281+C237330u16R259 100K+C414.7u50R2622KR25100+

35、C3910u35R2410K+C38100u50+C3747u35R2310K+C33100u25+C231 1u50R267 22KR269 22K3 2 14 6+C235 1u50+C233 0.47u50R257 560C2232200PC2212200PC251 3900P21+C5100u160.1C4+C24700u35C30.1+C312200u35C320.1C300.022R3233R120 10K R122 10K51R118 100KR116 100KR117 1KR115 1K282725 26 37 38XL101C10.022R311 1/4W+C3647u357

36、 66870 69727374757679 77 67 66 65 64 63 62 60 59 58 57 5657 565862 5964 631312C312220PC3130.022C311220PR1982C260.01R328100KR327100KR323 100KR324 330R320 100KR325 330R161KR3010KR1810KR15100+C29100u6.3C430.047R142.7KR124.7K+C4522u35+C241u50R134.7KR112 10KR114 10K1819180345R108 68KR101 10KR102 10KR104

37、10KR106 10KR110 68K2122242314161591011124 36 5124 356R121 1KR119 1K414243R166 10KR16210KR16310KR16110K4950R12610KR12410K5445676667686970727374757677 657980GND1+5V F13 2OTE4R26 5R3R0 R18 7SB SA109SC11SE13 12SDSG SF15 14SH16SJ18SL SK1920SM21SO23SN22G8 G92425G726G528G3 G42930G627G231F233G132 17SIVR-1A

38、1AG8 G9ICSO SN SM SL SKSJVLOADSISH SG SF SE SDACRO2 BCRO2 LEV.L LEV.R AVDD AVREF XT1 XT2 VSS X1 X2 CSPB B BIAS B-R/P F REC R REC80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 6525 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40G7G6G5G4G3G2G1VDDCLOCKSTROBEDATAHXPROPLAY B/AD.ON/OFFD.C/BMPXRESETCPMACPMBAVSS

39、PHAPHBA PACKB PACKSCSBSA70 HSPR0R1R2R3OTEEQ 70/120A. PLAYB. PLAYVDDBIAS NORR. MUTEL. MUTEICCES BUSYS DATAEQ SPSOLASOLBCSPA123456789101112131415161718192021222324646362616059585756555453525150494847464544434241DATACLKSTBGND1INCNTRP1BIASPB1D-GND1A-OUTNR-INVREFNR ON/OFFNPXNR C/BMPX OFF/ONVCCVR-INCNTRP1

40、REIPB11A-OUTNR-INVREF646362616059585756555453525150491234567891011121314151653R130 100KR128 100KR129 100KR127 100K123()()()()()()()()()()()()()()()()()()()()()()()()()()()()()(-B LINE +B LINE()()()()()()()()()()( ()()()()()()()()()()() )()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()(

41、)() () ()()()()()()()()()()()()()()()()()()()()()()(601-610,612-627(K,P) TYPE(I,Y,M) TYPE(E,X,T,C) TYPES1S1S604S602D601S601D605S605D604D602D609S609COUNTER A DUBB HIGHDUBB NORREV MODECCRS MODECNP601DOLBYEQ.SP-25V AVR+13V AVR+12V AVRSYSTEM IC70HSPEQ.SP70uS/120uSu-COMRESETCONTROL SYSTEMFL601D202D201ZD6

42、: MTZJ27AZD5 ZD4,7: MTZJ4R7B: MTZJ3.6BZD2: MTZJ3R9BZD1: MTZJ6R2BD607S607402,501-505,555, 202,303-310,401, 508-512 308,404-411,504,: TC4052BPIC402: KIA7812PIC1,2IC101: 1X1083AW: HA12157N: LA3160 (SIP) : NJM4558D (DIP): 2SB1237R3 : KTC3203Y: KRC102M : 2SC3199GR : UPC1297C: KRA102M : 2SC2878B: 2SK2541:

43、 2SB562C: 1SS133 : 10E4SD: RL104A : 2SC3199GRIC102IC201IC301IC401,501Q1,503Q2Q3,4Q101,205-210,307,Q103,501,502Q201,202,303-306Q301,302Q401,505Q402,403,506,507D1-4D5-7,9,25-30,201D18,21-24,203TP202L204Q206 Q209Q210Q208 Q205Q207ZD6D29TP201L203D27 D30D28Q2D22D23D21D24 D1D4D2D3JK302D303D308D307D310D309Q

44、4Q3ZD5D18ZD4CNP701CNP1CNP101SHIFT LATCH6BIT DACDECODEE-VOLE-VOLBIASSW6BIT DACD306 D305D304(BOTTOM VIEW)X-W320(K) PCB/SD( 97.11.29 4:32 AM yW4XUVXWYY26-4300-10X-W320X-W320(K)O.T.E.-20BCBCOUNTERSTANDBYADUBB.0-3-6-10HIGHNOR.(SP)CCRS-1563(dB)P15G2R1R3465465R2G1R0123123+5V22KR602R60122KP9P8P15P4R60322KR6

45、0422KG4R0G5R2R3R143P4P5P6P7P8P9P10P11P2P3P124G3G2G7G6G5G9G8GP13P14P15P161G654321P14P11P9P8P12P10P2P5P4P13P6 P7P33029282726252423222120191817161514131211109876521F1P11P3P2P16P16P10P12P14P6P13P5F2F2NP1G2G3G4G5G6G7G8G9GP16P15P14P13P12P11P10P9P8P7P6P5P4P3P2P1NPF131P14P16P15P4P9P8P7P12P10P15P4P9P16P8P7P1

46、2P10P16P16P13P6P6P11P3P2P16P5P6P13P14P7P5P6P13P14123456()()()()()()()()()()()()()()()()()()()()()()()()REVSTOPTAPE BREWD618D617D620D619D621CNS605S621S620S618S619S617FWDF.FCNP603B1D625B15B14B13B12B11B10B9B8B7B6B5B4B3B2B15B14B13B12B11B10B9B8B7B6B5B4B3B2B1D624D623D622D626D627D616S616D615S615D614S614D61

47、3D606S606D603S603D610S610S611CNS604 CNP602OTEREC LEVELCOUNTER BF.FFWDREWSTOPREVRECPAUSE(6G-2G)TAPE A6G7G1G3G4G5G2GS613D608S608S6128G9GD6122SC2878B2SB1237R3NJM4558DTC4052BPCAUTION:For continued safety, replace safety critical components only withmanufacturers recommended parts (refer to parts list).

48、indicates safety criticalcomponents. For continued protection against risk of fire, replace only with sametype and rating fuse(s). To reduce the risk of electric shock, leakage-current orresistance measurements shall be carried out (exposed parts are acceptably insu-lated from the supply circuit) before the appliance is returned to the customer.The DC voltage is an actual reading measu