Kenwood-MDXG-2-H-Service-Manual电路原理图.pdf

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1、MD PERSONAL STEREO SYSTEM MDX-G2-H/-LSERVICE MANUAL2001-7 PRINTED IN KOREAB51-5745-00 (K/K) 485 PUSH OPENCD/MD High Speed Dubbing System TUNINGTUNINGTUNERFM/AMSTOPMDCDMENUSOUNDMD RECBESTHITSAUXVOLUME/MULTI CONTROLSETTUNINGMODEMD PERSONALSTEREO SYSTEMSTANDBY/TIMERDISC LOADING MECHANISMON/STANDBYEJECT

2、ONERANDOM PGMREPEATTRACK NO.SLEEPDISC O.T.T.PROG.TOTALO.T.EHIGH-SPEEDAUTO TUNEDSPREC LPBEST HITSEX. BASS MD-EDITLOUDkHzMHzMDMD CDCDPanel assy (A60-2046-01): H(A60-2086-01): LHandle(K01-0147-12): H(K01-0153-12): LTop cover(A52-0930-11): H(A52-0945-11): LEscutcheon(B07-2570-02)Front glass(B10-3706-04)

3、AMANTENNAAC IN AUX INPHONESDoor(A52-0931-02): H(A52-0946-02): LMiniature phone jack(E11-0353-05)H: Black Gray, L: BlueIn compliance with Federal Regulations, following are repro-duction of labels on, or inside the product relating to laserproduct safety.KENWOOD-Crop. certifies this equipment conform

4、s to DHHSRegulations No.21 CFR1040. 10, Chapter 1, subchapter J.DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM.Front glass(B10-3707-03)Rod antenna(T90-0828-05)Plastic cabinet(A02-3020-01): H(A02-3021-01): LAC inlet(E03-0374-05)Miniature phone jack(E11-0399-0

5、5)70%Note: Please contact KENWOOD service in your side if you want to get the AC power cord.AM loop antenna (1)(T90-0865-05)Remote batteries (R6/AA) (2)Remote control unit (1)(A70-1509-05)Battery cover (A09-1229-08)AccessoriesCautionsNote related to transportation and movementBefore transporting or

6、moving this unit, carry out the following operations.(1)Remove the CD or MD from the unit.(2)Press the 6key of the MD.(3)Wait for some time and verify that the display becomes as shown in thefigure.(4)Press the 6key of the CD.(5)Wait for some time and verify that the display becomes as shown in thef

7、igure.(6)Wait a few seconds and turn the unit OFF.Operation to resetThe microcomputer may fall into malfunction when a cord is unplugged andplugged again while the unit is ON or due to an external cause. In such acase, the microcomputer should be reset as described below:Unplug the power cord from t

8、he wall outlet and, while holding theON/STANDBYkey depressed, plug the power cord again. This initializesthe microcomputer. Note that this clears the previously stored memory.CAUTIONCLASS 1LASER PRODUCTINVISIBLE LASER RADIATIONWHEN OPEN. AVOID EXPOSURETO BEAM.The marking of products using lasers (Ex

9、cept for some areas)The marking is located on the rear panel and saysthis product has been classified as Class 1. Itmeans that there is no danger of hazardous radia-tion outside the productInside this laser product, laser diodes classified asClass 3A and 3B laser radiation are contained asalerted by

10、 the internal caution label shown above.To avoid exposure to laser beams, do not open thecover.SPMDSPCDMDX-G2-H/-L2CONTENTS / ACCESSORIES / CAUTIONSCONTENTS / ACCESSORIES / CAUTIONS.2ADJUSTMENT.3PC BOARD.4SCHEMATIC DIAGRAM.7EXPLODED VIEW.17PARTS LIST.19SPECIFICATIONS.Back coverContentsMDX-G2-H/-L3AD

11、JUSTMENTSTuner adjustmentX09(C/6, CN34)(A) FM-MPX-SGFM-MPX-SGPOLAR SGDummy antennaNo.ITEMINPUTSETTINGSOUTPUTSETTINGSRECEIVERSETTINGSALIGNMENTPOINTSALIGN FORFIG.1TUNING LEVEL(A)98.0MHz MONO1kHz, 75kHz dev.35.2dBf (ANT. input)MONO98.0MHzX09 C/6VR31Adjust VR1and stop at thepoint where ED1(TUNED)goes on

12、.FM SECTION : SELECTOR : FM SYSTEM CONNECTIONS(a) Laser PowerPickup0.050.15 mWOptical power meterNo.1ITEMLASERPOWERINPUTSETTINGOUTPUTSETTINGSet the sensor sec-tion of the opticalpower meter on thepickup lens.PLAYERSETTINGShort circuit*OPEN/CLOSE SW.Press the “PLAY“ keyto check that the dis-play is “

13、03“.*CN26(1,2), X09ALIGNMENTPOINTALIGN FOROn the power from 0.05 to0.15mW. when the diffrac-tion grating is correctlyaligned with the RF levelof 0.8Vp-p or moreFIG.(a)2LASERCURRENTTest discType 4Connect the DC voltmeter to CN25(#1 and #2) inX09(B/6)Press the “PLAY“ keyto check that the dis-play is “

14、03“ or “05“220mV to 550mVNote:Type 4disc :SONY YEDS-18 Test Disc or equivalent. (KTD-02)LPF : Around 47k+ 390pF or so.CD player checkFor this adjustment, enter the test mode.TEST MODE : While pressing the CD PLAY/PAUSE key, turn power on.4ABDCE2 1357 46Refer to the schematic diagram for the value of

15、 resistors and capacitors.PC BOARD (Component side view)C55C59C66C65C64L2L3C76R98R97R37C74R36R72R60R59R41R55R54R71R89R101R102R103R100R99R77R78R79R73R84R86R83R80R82C75C9C72C1C6C47C63C62C67R16R15R18R17R14R10R13R25R24R26R23R20R19C12C10R9R6R8R7R3R4R5R27R28R29R40R39C41X2C11C7C57C32C37R68R119R66R65C42R120

16、R118C85C84R117R114R115R112C83R113C82R43C36R42C43R116211114152810012526 50517576101201114588116912526 5051757610010 120111 261811225 3624133748BEBEBEBEBEBMODE2BLUEREDREDWHITEBLUEWHITEREDBLACKBLUEWEFWESLED+SLEDFE2RFIOP2VCFRDTFWDTGNDRSTVDDNCFTE1FE1SPDL-SPDL+TE2VCIOP1Q3Q1Q2Q6Q5D3IC3D2D1IC1IC2IC7IC4IC8IC

17、5IC10D5D6CN3CN1WH1WH2WH3WH2WH3WH1C35X1C80C2C3C53L1L4R67R64R69R35R70R51R50R52R47R46R49R48R57R56R58R45R92R93R94R88R95R96R87R76R74R75R85R31C71C70C8C5C46C23C22C38C69C52C48C58C54C18R12R30R22R21C13C17 C16C15C40C33C51L9C31W4C30C45W5C56C73C68C14C39R53W2R62W6L8R126 R128W3C60C44W7O IADJBEB EEBBEBEBE145 8R122R

18、129R123C88R125R127C89R121C86R124C87C81DISC IDRECPLAYDISC INSWSLTIC11Q9Q8Q11Q10Q7Q4D4IC6S2S3S5S4X33-1260-00 A/2 (J70-1452-02)X33 B/2S1FHJLNGIKMO2 1357 46Q301D302D301Q399IC56IC53IC55IC51IC54D501IC41Q204D202D229Q205IC22D203IC25IC21Q2Q1IC1IC23Q201C327R329R328R321C331R334R333R332R331R325C339C338R327C337C

19、333R326R324C335C340C341R317C330R320C329R301C326R330R304R306C305C303C301R307C313C314R315R308R309C309R310C310C302C324C323C316R305R335R336C307C328C353C347C355C348C349C345C320C317R31 1C321R312C319R313C346R337R356L304L305C352R355R353C351R352C350R354R350R351R804W516R803C827C505L871L872C598C523C517C518C525

20、C527C529C524C526C528C530R532R533C562R558R530R531R544R545R547R546R559L503L504R541R805R501R502R504R505R506C409R404C408C407C434C435C433C432R422C423R421R420C429C428R401C419C413C415C81 1R507C758R785R784C597R584R703R702L506R704R700R701W850C599C600C702C703R706R705R774C855C754R762R763R760R761C755R780C756C75

21、2C757C856R801C753C750C751R779R781R782R783R773C760C761C762R777C759C801C854C857C858C859C850C810R802C861C814C815C816C853C817C860C818C819C820C821C822C823C824C825C826C852C851C800C501C872C873135414 5854131458303150 51110081803619118EBEBC239R202R262C225C261C262R296 R268C258C259R269C256R265R264EBR263C257R26

22、7R259R260C264R266C266C270R248C247R295180C2632120R29460R24261C243R243 C244C242C250R250R204 R201C252R2C11R1R14E BBC EBE C1716R223R258EIGOBC255R261R226R25741 40R213R234R233C233R232R228R214R216C224R225R210C227 C229 C230R224C20R16C2C3W21C219W271C222C223181R230C237C251R212R211R22019C21836R5323316449 48R9C

23、1C21C6R25R23C22C23R256C212R254R252 R25526R251C216C214R218C213R215 R217R206R219C21714C2111W27213C249L601/W299C248R240R245R221E BR203R227R205FM TUNEDADJCLKRSTX501GNDVCCCEEPMBUSYC398W314C399W350CF33C334C332C336R323X301R318R319C308R314C304C315R316C325C312C31 1L303C322C318W316W322W319W324W326W331W327W309

24、W302W330W329W328W311W312W313W304W303W305W308W306W325W323W318W320W321W317W315W310W307W517W707W520W519L863C862C593C594R555R516R515C592C586C584R582R580R579R578R574R583C595R581C591R577C590C588 C589C587C585C583C596C582R573C581R571R572R514C544R517R51 1C521C511C510C533C513C512 C514C519C520C531C535C537C539C

25、541C522R510R512R513C532C536C538C540C542R543W461C561C560C563W702R535C566R552R534R537R539C565R548R540R538R536R542R549R550R551R556R557C564R553C567L862R503C503C502C504R412R415R414R413C437C411R402R409C406R411R423C422C421R410R417R419R416R418C417C418R405D425R403R408W431W440C420R778W706W708W704W705C506W700W

26、518W701W703R508W482W489W452W453W709W710R518W712W483R775R776W713W853W881C802R519R771R772R520R521W883W882W880W851W852W854W884POWERAMPLIFIERCD LOWPASS FILTERWHTWHTCF32CF31C427C426W515W510W426W404W514W406W513W512W401W511W427W409W407W402W408W405W428W477W501W473W466W403W451W443W445W446W492W505W508W507W506

27、W509W460W454W412W411W413W414 W415 W416 W417W418W419 W420W422W432W439W437W410W434W433W438W429W430W450W476W478W480W469W471W448W449W464W465W455W457W456 W458W424W441W462W463W467W468W459W447W436W435W490W491W479W502W488W493W503W498W495W500W499W497W504W442W496W487W486W481W474W475W494L860T401SELECTORCIRCUIT

28、L301VR31L302X502L502C439T402C405C401C402C431C430C416K401R406C403C404L505L501R786D426RXDTXDW470C534MD RECPAUSECD PLAY/VOL/MULTI UPPAUSEMD PLAY/R41R42SKIPUPR40R39R34R35SOUNDBESTHITSR33R32SETTUNERFM/AMSKIPDOWNVOL/MULTISTOPR37DOWNR38R36R30MENUAUXR31W220L201C234R241W235W216W202W230W231R247W242C246W224DSP

29、X221 W221C206W204W208W2R15R17W12POWERW3R7C228W214C215W215MD EJECTC232C235R236W218C231W240R235W212W213W211W222C220W223W227W243C7C8W2095V AVRR222W210C291C226W225C205W207RF AMPW5R11W13R22W1R13R12C10R21ED1R6W4C4VC1 2R20W8W11W7R3W10W6W9C5R4R18R19W2014CH DRIVERW232W217R253W205C293RFR246W234C265C245C240C24

30、1W238W226W228W229W219C221LDVCCW233151121621 21 542611817162GI101O251181EB51BBBEEE2124142151EBGIO1128111122221121324 11 2EB10211115 11313226EB2141123451525354321 011121D303D504D502D503Q8IC52D435Q406D430 D429D428 D427Q401D415D414D418D417 D416D420D419Q405Q404D423D422D421Q403Q402D424D433 D434D432D431D41

31、 1D410D413D412D407D408E3CN34CN33IC32CN35IC31A301CN32CN55CN53CN51CN52CN42CN41J401IC44J402HEADPHONESAUX IND406IC43D405IC42CN54WH69WH70WH70E5J701X09-6530-21 A/6 (J70-1500-11)X09 C/6X09 F/6S7S4S14S13S10S6S5S11S15S16S12S9CN2X09 E/6S8S3CN26X09 B/6S1E2CN24D201S2A1D2E1X09 D/6CN1D1CN23CN22CN21CN25Refer to th

32、e schematic diagram for the value of resistors and capacitors. PC BOARD(Component side view)56ABDFHJCEGI2 1357 46484746454443424140393837131415161718192021222324MORFOMORFIRFOOPNOPOADDCOMPPCOMPOAGCIRF AGCRFPEAKGNDTEMPITEMPRSWDTSCLKXLA TXSTBYFOCNTVREFEQADJ3T ADJVCC1234567891011123635343332313029282726

33、25IJVCABCDEFPDAPCAPCREFBOTMABCDFEAUXADFGADAGCADINADFMSECSLEDTEWELAD212019181716151413121110987654321TRK-TRK+FCS-FCS+KPDVRMODILCCLD-GNDVCCJBAVCIFCDEVEE12345678910TE1 TE2FE2 FE1RFTP1TP2FEVC1 2 3 4 5 6 7 8 9 10DO0DO1XWEXRSA9 A0 A1 A2 A3VCC20 19 18 17 16 15 14 13 12 11GND DO2 DO3 XCA XOE A8 A7 A6 A5 A40

34、.10.02210K0.0110K0.220.022C59470KR8610KR771000PC55R76 100KR7213K13KR73C54 0.022100KR7556KR71 C68 0.068 C67 4700PR78 100C66 1 100 R824351 21KR10110KR99R10047KR1021K1KR103C74 1L3L2C72 0.12.2R981R971/2WC75 0.1R96 100KC71 0.1680 R944.7K R954.7K R938 567 9 3 4398983379 8 45610u16C60+7 676Q1 1121112 11Q11

35、3234363738314443394344 3840 3336 31323437390.47C7100KR14100PC10680KR15C11 0.473.3K R18R17 1KR19 1K150R200.015C120.1C1375 7494919293R80100560 R7920191817161514131211123456789104.7 C408281809979788180838285898886R21 10KR22 10KC18 0.01R23 100K8290 91 89 88 8783 85 84 98 81 78 97R8 10KR10 10KR4 22022010

36、0u6.3+3 2 1451114 13 1275 74 67 66 65 64 6379R16C94700PL4681/4W75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51504948474645444342414039383736353433323130292827261 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25767778798081828384858687888990919293949596979899

37、100A/DCONVER TERANALOG MUXADIPDECODERAUTOSEQUENCEREFM/ACIRCENCODER/DECODERCOMPPLLDIGIT ALAUDIOSAMPLINGRA TESERVODSPPWMGENERATORPRE DRIVERSPINDLEAT R A CSERVOI/F4CONVER TERENCODER/DECODER412BLOCKCPU I/FCONTROLMONIT ORMEMOR Y CONTROLLERSHOCK RESIST ANTPROCESSOR SUBCODEGENERATORCLOCKBLOCKBLOCK68 646567

38、 66 63100C80.133R5 220R6 2204051505150C3L1+100u6.3C2C50.12827R9 10K96922.2K R85C42470P3.3 R7049484647457846 454749 48R25 100R26 100+3.5V+3.5V+3.5V+3.5V+3.5V+3.5V+3.5V+B+B+3.5V+3.5V+B+3.5V+B+B+3.5V+B+B+B+B +B+B+B+B+B+B0.1C1+B+B+B+B+B+5V+5V+5V+5V+B+B29Q3Q397100B+B83+BN.C N.CHVDDOUTREGNFREGVOS2DR VREGV

39、REGVGSELREGGNDREGVOD1VOS1VOD2HGNDEFMGNDPDVDDMUTEN.CSPDL+SPDL-SLED+SLED-LOAD M+LOAD M-1516 18 17C8518K1500PR1 18100K R120R119100K1500PC8418KR1 17R114100K22K1500PC83R1 12100K R1151500PC8222KR1 139192 94 9312435151718 16+B0.1C23R310PC14+B+B+B+BC760.47C69 0.0221324876513K R4310C4112KR421616XOUT CLX1XIN

40、VDDVSS CLK2SEL1 SEL2X1R123.30.1C2290.3168MHzW4W3IC11C43470P91033W51C62C64R84C63R83C65470KR883.3MR870.01C584.7K R89+BC56W21C73C52 0.1C51 10u16+L8HEAD1HEAD2CN3D3Q1Q5Q6Q2Q4Q3Q11(KMS-260B)or(KMS-260E)PICKUPBLOCKRF AMPHEADDRIVERENDECODER ACIRICATRAC4M DRAMRECIC1:CXD2662RIC2:CXA2523AR orIC5:LC32S4400T-10I

41、C6:RC1117STIC7:S-24C02BFJ-TB orIC8:BD7910FVIC10:AK4550VTIC11:C6006AZQ1:UMW1NQ2,9:2SA1576A(R,S)Q3:2SB798-DLQ4,11:DTA144EUAQ5,6:DTC114YUAQ7:DTA124EUAD1,2:FS1J6TPD3,4:MA111ADJUSTMENTAPCBR24C02FSHOCK PROOFLDCHANGE-OVERD1D2ON/OFF LDOPTICALDIGITALGND LINEB LINEB LINEQ8,10:DTC124EUAD5,6:S1BCLOCKGENERATERD5

42、D6CXA2523ARIC3:HD6432227N22FABA5984FPIC4:M M Mto HEADIC2IC1IC5IC8(X33-1260-00) (A/2)IC111.7V1.7V 1.7V 1.7V1.7V1.7V2.1V 2.1V0.2V1.8V3.3V3.0V3.5V3.3V3.3V3.3V3.5V0.4V3.5V0.4V 1.7V1.7V 1.8V 3.3V1.7V 2.6V 0.1V 2.0V 1.7V 0.3V1.4V1.3V1.6V1.3V0V0.3V0.3V2.3V1.3V1.9V1.1V1.8V3.4V3.0V0V3.3V3.5V3.3V1.6V1.4V0.8V1

43、.6V3.3V0.9V0.8V0V3.3V 3.3V3.3V 0V 3.2V 0V 1.5V3.2V3.3V 0V 3.3V 3.3V 3.2V3.2V 3.1V0V3.3V3.3V3.3V0.1V0.8V3.3V3.3V0.2V0.2V0.4V0V3.3V0.2V0.3V0V0V0V1.7V1.7V 1.4V1.7V2.0V1.8V3.5V 0.3V 1.1V 2.0V 2.0V1.6V1.6V0.4V1.8V3.5V1.7V 1.7V3.3V3.5V0V3.3V0.1V0.1V0.1V0.1V2.7V5.0V0.2V0.2V2.7VRECORDING (DIGITAL)PLAYBACK (

44、DIGITAL)RECORDING PLAYBACKTKMOQSLNPRMDX-G2-H/-LY39-3940-2175 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 511 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25CE MODE2 FWE EXTALVSS XTALVCC STBY NMI RESET MODE1 MODE0 AVCCVREFSCL SDA VCC VSS76777879808182838485868

45、788899091929394959697989910050494847464544434241403938373635343332313029282726CTXDCRXDDQSYSQSYXLA TSWDTSRDTSCLKHMUTESENSMNT3MNT2MNT0MNT1XINTTXRECPXRSTLDONRMSIDSWHEADPOSMODEL SUBDISCINSWSL TSWA VSSLOADM-LOADM+EMPHAADDARSTMUTEPOWER(FRDT)V/H (FWDT)123456789101112 1314151617181920212223242526H+5V HGND +

46、3.5V(OUTPUT)BACKUPV CTXD CRXD BACKON CE MECHARST AINR DGND AINL NC (MUTE) DGND AGND AOUTR +5V AOUTL DISC IN SW DIN1 M+5V DIN2 M+5V MGND DOUT MGND87654321SDTODEM1DEMOVDDVSSAINLAINRVCOM910111213141516SDTILRCKMCLKSCLKPWADPWDAAOUTLAOUTR2200PX210MHz3.3KR4587888990919284R67 47KR57 47KR56 47K0.1C4667852143

47、393810K R60 10K R590.1C47R37 100R40 470C38 0.110u16C35+10u16R65 100R66 1001KR514140R53 470KR52 470KC48 0.1R49 4.7K76 77R35+B+B+B+B+B+B+B+B+B+B+B+B+B+BR55 470KR54 470KR48R47788182858377769896R24 10047K100999747K755975C390.1C361+5V+3.5V+5V+5V+5V4.7 R46100u6.3C45+R50 100+3.5V+3.5V+3.5V+3.3V+3.3V+5V59+5

48、V+5V+5V+5V972200PR68 47KR361516171819202122232425262728141312111098765432118KR124390PC87100K R122100K R123390PR12118KC86100K R128R12618KC89390P100K R127C88R12518K390P89888685510KR1292728 29+3.5V3938311491210 11 134140310.1C81100u6.3C80+R39 470C32C37MODEL TYPE0.1C57+B+B+5VR41 220IOP1 IOP2+3.5VIC10R69 47KWH112WH23WH347K R64W6R58 47K47K R621R116LOADINGDRIVERCOMMON VOLTAGELPFLPFCLOCKDIVIDER8XINTER-8XINTER-POLA T ORPOLA T ORDECIMATIONFILTERMODULATORMODULATORMODULATORMODULATORINTERFACESERIALI/OLEVEL SHIFTLEVEL SHIFTLEVEL SHIF