Kenwood-RXDV313-cs-sm 维修电路原理图.pdf

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1、MINI HiFi COMPONENT SYSTEMRXD-V313SERVICE MANUAL 1998-8/B51-5463-00 (K/K) 376(XD-V313)In compliance with Federal Regulations, following are reproduc-tions of labels on, or inside the product relating to laser productsafety.KENWOOD-Crop. certifies this equipment conforms to DHHSRegulations No. 21 DFR

2、 1040. 10, Chapter 1, Subchapter J.DANGER : Laser radiation when open and interlock defeated.AVOID DIRECT EXPOSURE TO BEAMRefer to RXD-251/301/301E/301W/351/351E/351W/371S/A3service manual(B51-5454-00), if you require mechanismoperation description in detail.Please replace with the new pcb and/or me

3、chanism on CDplayer if it doesnt work.DISC 1DISC 2DISC 30764ROCKFLATEX.BASSPOPJAZZAB317/08317/08MC1MC2MINMINMAXMAXMIC VOLUMEECHO LEVELSTANDBYVIDEO CD HIT MASTERINPUTON/STANDBYTIMER SETCLOCKDISPLAY/DEMOAUTO/MONOTIMERBANDTUNINGPHONESUPDOWNAUTOPRESETMANUALPRESETRECORDING/ PLAYBACKPLAY BACKDISCSKIPPanel

4、(CD) (A60-1579-08)Front glass (A29-1048-08)Knob(K29-7535-08)Knob (K29-7534-08)Knob (K29-7519-08)Knob (K29-7518-00)Jack(H/P)(E11-0386-08)Knob (K29-7516-08)Cassette lid(R)(A53-2104-08)Front glass(L)(B10-3451-08)Front panel(A60-1575-08)Knob(K29-7533-08)Knob(K29-7512-08)Indicator led lens(B19-1602-08)Kn

5、ob(K29-7521-08)Knob (K29-7522-08)Knob (K29-7523-08)Cassette lid(L) (A53-2103-08)Front glass(L)(B10-3450-08)Knob(K29-7515-08)Knob(K29-7511-08)Jack(MIC)(E11-0387-08)Knob (K29-7549-08)Knob(K29-7513-08)RXD-V313(K) COVER1,1( 98.12.11 9:46 yW 2RadioFans.CN 收音机爱 好者资料库1234567890+10SLEEP/CLOCK LIGHT DISPLAYE

6、Q.REPEATRANDOMP.MODECHECKCLEARDIGESTZOOMFREEZEHIT MASTERHIGH SPEED PLAYAUTO PAUSESLOWMEMORY STOPMUTEINPUTAUTO PBCMULTIPLEXAUTO/PAL/NTSCON SCREENDISC SKIPOPEN/CLOSEPOWEREX.BASSSELECT1 TUNING BAND764 P.CALL VOLUMEREMOTE CONTROL UNIT RC-V313FM indoor antenna (1)AM(T90-0815-08)loop antenna (1)AC(E03-011

7、5-05) plug adaptor (1)Remote(A70-1261-08) : RC-V313 control unit (1)Batteries (R6/AA) (2)Use to adapt the plug on the power cordto the shape of the wall outlet.(Accessory only for regions where use isnecessary.)(T90-0801-05)Operation to resetThe microcomputer may fall into malfunction (impossibility

8、 to oper-ate, erroneous display, etc.) when the power cord is unpluggedwhile power is ON or due to an external factor. In this case, executethe following procedure to reset the microcomputer and return it tonormal condition.Press the POWER key while holding the Stop (7) key ofthe CD section pressed,

9、 to switch off the power, and thenswitch the power on again after a few seconds. Please note that resetting the microcomputer clears the contentsstored in and returns and to condition when it left the factory.RXD-V3132CONTENTS / ACCESSORIES / CAUTIONSCONTENTS / ACCESSORIES / CAUTIONS.2EXTERNAL VIEW.

10、3BLOCK DIAGRAM .4CIRCUIT DESCRIPTION.5ADJUSTMENT.8WIRING DIAGRAM.10PC BOARD .11SCHEMATIC DIAGRAM .15EXPLODED VIEW .26PARTS LIST.27SPECIFICATIONS .Back coverContentsAccessoriesCautionsRXD-V313(K) COVER1,1( 98.12.11 9:46 yW 3RadioFans.CN 收音机爱 好者资料库RXD-V3133EXTERNAL VIEW12BEATCANCEL+SPEAKERS(616 )FM 75

11、 AMANTENNAGNDAC 220240VAC 110120VRAUXINPUTAUXOUTPUTVIDEO OUTPUTLLLRRAntenna terminal(4p)(E70-0070-08)Slide switch (S62-0083-08)Phono jack(E63-1076-08)1P rca jack(E63-1075-08)Slid switch beat cancel(S62-0057-08)Lock terminal board(E70-0108-08)RXD-V313(K) COVER1,1( 98.12.11 9:46 yW 6RXD-V3134BLOCK DIA

12、GRAMCONTROLA/BPLAYAMPALCPLAYR/POSCBIAS(Q209,L201)205Q203, Q204,206Q201Q202TAPE OUTTAPE OUTREC OUTREC INDECK A/B SWQ213B+PRESETEQ.PRE-AMPIC403RL501Q406,407MUTESYSTEM415VOL1(-10dB)ATTENUATORQ414,POWER AMPIC501+VCC-VCCQ504-506DETECTORIC502SPEAKERPROTECTOR+12V512Q511,MUTEJACKSPEAKERHEADPHONES+5.6VQ702+7

13、.5V+12VQ701Q704+VCCSWITCHEDtoXFORMER-12VQ707+12V-VCCCN701D702D701Q705,706Q703LCD DISPLAYIC601u-COMKEYMATRIXto CD PCBCN401to MAIN PCBMIXBUFFAMPTUNEAM ANTGNDFM ANTAMPAM RFTUNEOSCANTRFIFTPLLL.P.FQ107,108AMPRFIC201u-COMAMPQ106IFTCF1IFFILTERAM SECTIONAMFM SECTIONCF2OUTRCIC102TUNEFM RFFMOSCQ102GNDIC01 LA9

14、241MRF SIGNAL PROCESSING/SERVO AMPCOMPACT DISC PLAYERDIGITAL SIGNALCD POWER DRIVERIC04 BA5936SMPEG u-COMIC03 LC867240AIC02 LC78630EXTL0116.9344MHzNJM4558LOP AMPMMOTORDISCMOTORFEEDMTRAY MOTORT/T MOTORSWLIMIT INOUTPUTAUDIOCONTROL SWS01-04RchLchu-COMANALOG SIGNAL PROCESSOR(ASP)DSPto VCD BLOCKtoFRONT PC

15、BSTANDBYSWQ501-503TUNERAUXCDCONTROLAMPIC404D/ACLKCONTROLSRAMA/DLPFLPFBUFFMIXAMPMICMIC VRECHO VRSWLOGICIC301Q301Q302EX-BASSCN002 from CD-DSP PCBLC865632AIC005OSDLC74772VIC004LC78010EVIDEO ENCODER2SC2785VIDEO BUFFERQ001Q0022SC2785FILTER2SA1175Q003VIDEO O/PIC15CPU I/FCD-ROMDECODERSYSTEMDECODERMPEG AUDI

16、ODECODERDECODERMPEG VIDEODRAM ARBITERMPEG DECODERLC74201EIC001CPUPLL+VCO54MHzCN001IC02(from CD DSPLC78630E)4MBIT DRAMIC003UPC424260G5-60-7JFNTSC/PALL SELECTORfrom CN002fromMPEGCN404VIDEO OUTJK402MIC(1/2)IC401412Q411,MUTEOUTAUX305Q304,Q306,307R/P SWITCHINGAMPRECCEDICL242320191614125911233,282,291,30+

17、FOCUSTRACKING+CLCEDI1,302,293,284,275,26816,91RCBAC3,13PTSMPEG AUDIOSTART TRIGGER16.9344MHzCD DSP CLOCKTRACK 1INFORMATIONYUV17.734475MHzPAL/14.31818MHzNTSC/MPEG VIDEOPTSMPEG BITSTREAM+IC201FM RF IC101TUNER UNITCD MECHA. UNITAUDIO UNIT/DISPLAY UNITRXD-V313IC402IC302IC303MPEG UNITRXD-V313(K) COVER1,1(

18、 98.12.11 9:46 yW 7RXD-V3135CIRCUIT DESCRIPTIONNo.NameI/ODescriptionActiveHL1CEILC7218, LC75392 CE out2RESET-OUTOReset out IC03 (LC867240A)O3DIILC7218, LC75392, LC78211 data out4DOOData output to LC72185CLKILC 7218, LC75392, LC78211 clock out6DATA-OUTOSerial data out to LC867240A7DATA-INISerial outp

19、ut of SUBQ 80BIT8CLK-OUTOClock output9N/CONo used10STB-OUTOStrobe out11BUSY-INIBusy input12RESETIReset signal inputO13POWER-DOWNIPower down inputO14GNDGND15VSSVss16X1Xtal 6.0MHz17X2Xtal 6.0MHz18VDD1Vdd1924K1K6IKey input (K1K4),K5/K6 (No used)25MODE-SW2IModel discrimination26MODE-SW1IModel discrimina

20、tion27, 28GNDIGND29REMOTE INIRemote signal inputO30VR +IVR encoder input A31VR -IVR encoder input B32PIC-UPIPick-up SW33PIC-DOWNIPick-down SW34DISC-COUNTIDisc counter SW35TURNTABLE-SWITurntable SW36TRAY-OPENITray open SW37TRAY-CLOSEITray close SW38TURNTABLE MOTOR +OTurntable motor (+)O39TURNTABLE MO

21、TOR -OTurntable motor (-)O40TRAY MOTOR +OTray motor control (+)O41TRAY MOTOR -OTray motor control (-)O42MOTOR SPEEDOMotor speed controlNorDown43LED HIT MASTEROLED control (hit master)O44TUNERO45CDO46AUXO47TAPEONo usedO48FLATO49ROCKO50JAZZO51POPO5255S1-S4OSegment out (14)56VDD2Vdd57VSS2Vss5879S5S26OS

22、egment out (526)8082BIAS31GND1. Microprocessor : (IC601, LC867224A-5H95)1-1. Pin descriptionRXD-V313(K) COVER1,1( 98.12.11 9:46 yW 10No.NameI/ODescriptionActiveHL1N/P SEL OUTONTSC/PAL sel out to IC004 (LC78010E)O2RESET OUTOIC001 (LC74201JE) reset out3DIIDI (IC001, LC74201JE)/SIN (IC005, LC74772V)4DO

23、ODO (IC001, LC74201JE)5CLIClock (IC005, LC74772V)6DATA OUTOData out to IC601 (LC867724A)7DATA INIData input from IC601 (LC867724A)8SCKIClock out from IC601 (LC867724A)9STB INIStrobe input from IC601 (LC867724A)10BUSY OUTOBusy out to IC601 (LC867724A)11MIRQIMIRQ (LC74201JE)O12RESETIReset input13, 14I

24、/PVss15VSSVss16, 17CF1/CF2Xtal 6.0 MHz18VDDVdd19FUNCTION 4/3Vss208300/8301Vss21MULTI 9/16Vss22IM DRAMVss2326Vss27WRQISub-code Q input stand by28, 29Vss30VIDEO LEDOLED control (Video)O3137N/CNo used38VDD CONTROLOMPEG Vdd controlOtherCD3955N/CNo used56VDDVdd57VSSVss5873No used74SL +OSled motor control

25、 (+)ONo.NameI/ODescriptionActiveHL8386COM-03OFL Common 0387FM-STEREOIFM stereo signal inputMonoStereo88SYN RECISynchro start inputO89VSS3Vss90VDD3Vdd91POWER-SWOPower SW outOnOff92SYS-MUTOSystem mute outOffOn93TU-MUTOTuner mute outOnOff94FUNCTION-TAPEONo used95LCD-BACK-LIGHTOLCD back light controlOnO

26、ff96N/CINo used97VR-1OVR step extend out1stepOthers98REC-MUTEOIC03 (LC867240A) rec out muteOnOff99EX-BASSOEX-bass controlOnOff100VOICEOVoice cancel outOffOn2. MPEG Microprocessor : LC867240A (CD PCB, IC03)2-1. Pin descriptionRXD-V3136CIRCUIT DESCRIPTIONRXD-V313(K) COVER1,1( 98.12.11 9:46 yW 11RXD-V3

27、137CIRCUIT DESCRIPTIONNo.NameI/ODescriptionActiveHL75SL -OSled motor control (-)O76SPEED BOSpeed control terminal to IC01 (LA9241)77SPEED AOSpeed control terminal to IC01 (LA9241)78AUDIO MUTEOAudio mute controlOnOff79MUTEOIC04 (BA6536S) mute controlCDOther80PIC LIMIT SWIPic limit switch inputO8186Vs

28、s87CQCKOCommand clock output to IC2 (LC78630E)88DATOCommand output to IC2 (LC78630E)89VSSVss90VDDVdd91SQ OUTISub-code Q input from IC2 (LC78630E)92RWCOIC02 (LA9241), CE93RESOChip reset out to IC2 (LC78630E)94DRFIDRF from IC01 (LA9241)95, 96N/CNo used97CEOCE to IC001 (LC74201JE)98VOEOVOE to IC001 (LC

29、74201JE)99CSOCS to IC005 (LC74772V)100RESET OUTOReset outOPORTSW 1SW 2SW 3SW 4SW 5SW 6SW 7SW 8SW 9SW 10Pin 19PowerInputClockTimerTimerEQ OffRockJazzPop(K1)SetModeSetPin 20TuningTuningBandAuto/AutoManualEX Bass(K2)UpDownMonoPresetPresetPin 21CDCDDiscDisc 1Disc 2Disc 3Open(K3)AMS +AMS -SkipClosePin 22

30、CDCD Play(K4)StopPause4. All LCD light on mode The all LCD light up when the STOP key and TIMER SET key are pressed simultaneously, while the power is ON. When the ON/STANDBY key is pressed, the all LCD light on mode is canceled.3. Key matrixRXD-V313(K) COVER1,1( 98.12.11 9:46 yW 14RXD-V3138ADJUSTME

31、NTFM 75 AMANTENNAGND(A)(C)(D)AM-SGFM-MPX-SGFM-MPX-SGPOLAR SGDummy antennaOscilloscopeAC voltmeter(B)Distortion meterTO TUNER UNITCN101, pin 9 (Lch)pin 7 (Rch)pin 8 (GND)NO.ITEMINPUT SETTINGOUTPUTSETTINGTUNERSETTINGALIGNMENTPOINTSALIGN FORFIG.1.IF(A)98 MHz,1 kHz MOD75 KHz (DEV)60 dBu (ANT INPUT)(B)98

32、MHzT101Maximum output(Minimum distortion)2.LOW ENDTRACKING(A)87MHz, 1 kHz MOD75 kHz (DEV)35 dBu ( ANT INPUT)(B)87MHzL102Maximum output3.HI ENDTRACKING(A)108MHz,1 kHz MOD75 kHz (DEV)35 dBu (ANT INPUT)(B)108MHzTC101Maximum output4.VTConnect the DCvoltage meter toTP2.87.5 MHzL103VT=1.0V0.05V108 MHzChec

33、k theVT=7.0V1.0VNO.ITEMINPUT SETTINGOUTPUTSETTINGTUNERSETTINGALIGNMENTPOINTSALIGN FORFIG.1.IF(D)531 kHz 1 kHz,30% MOD60 dBu (ANT INPUT)(B)531 kHzT102Maximum output(Minimum distortion) 2.LOW ENDTRACKING(D)531 kHz 1 kHz,30% MOD30 dBu (ANT INPUT)(B)531 kHzL104Maximum output3.HIGH ENDTRACKING(D)1602 kHz

34、 1 kHz,30% MOD30 dBu (ANT INPUT)(B)1602 kHzTC102Maximum output4.VTConnect the DCvoltage meter toTP2.531 kHzL105VT=1.2V0.05V1602 kHzCheck theVT=7.3V1.0VFM SECTIONMW SECTIONINSTRUMENTS CONNECTIONRXD-V313(K) COVER1,1( 98.12.11 9:46 yW 15RXD-V3139ADJUSTMENTNO.ITEM INPUTSETTINGSOUTPUTSETTINGSCASSETTE TAP

35、EDECK SETTINGSALIGNMENTPOINTALGN FORFIG.Unless otherwise specified : each ; switch should be set as follows : 0dBs = 0.775VBEAT SW : OFFI. Cassette mechanism section (REC/PB head adjustment)1Demagnetizationand cleaningPower OFF,demagnetization,cleaning playREC/PB head,erase head.capstan, pinchroller

36、Demagnetize the REC/PBhead by head eraser. Cleanthe REC/PB head, erasehead capstan and pinchroller with a cotton swabimmersed in alcohol.2REC/PB headazimuthMTT-114,TCC-153SCC-172710 kHz, -10dB(A)PLAYAzimuthadjustmentscrewIn a setting wher the outputis maximized, adjust theazimuth adjustment screwso

37、that the Lissajous figureappearing on the oscilloscopescreen comes near to a lineslanted45 Note : The headshould be installed in such amanner that it approaches thetape face.II. PC board adjustment Tape speedMTT-111TCC-100SCC-17273 kHz, -4 dB(A)PLAYSFR201Adjust so that Frequency is3 kHz at the cente

38、r of thetape. Playback levelTCC-120315 Hz 0dB(A)PLAYApprox. -5dBm reference levelRecording levelPut standardtest tape(TCC-120) into B deck.Put standardblank tapeinto A deck.(A)Dubbing andplayback.Approx. -5dBm reference levelCASSETTE DECK SECTIONOscilloscopeFrequency counterAC voltmeterPIN2IC401(A)M

39、AIN UNITINSTRUMENTS CONNECTIONRXD-V313(K) COVER1,1( 98.12.11 9:46 yW 18RXD-V31310CASSETTE DECKRECORD SWITCHMOTORUNITSWITCH AUNITSWITCH DUNITSWITCH CUNITCD MECHA.UNITCD MECHA.ASSYHEADPHONEMIC MIX UNITAUDIO UNITDISPLAY UNITUNITSENSORCDCONTROLUNITUNITUNITUNITSWITCH BTRANSFORMERPOWERAC CORD UNITMECHA. A

40、SSYMPEGBOARDRXD-V313(M/I)TUNER UNITCN101CN03CN402FM 75AMGNDJK101CN101CN01CN01CN02CN02CN05CN05CN16CN16CN06CN08CN18CN18CN205CN205CN204CN204CN206CN206CN201CN201CN202CN202CN203CN203CN302MIC1MIC2HEADPHONESCN401CN401CN601CN601CN604CN604CN403CN403CN302CN501CN501SPEAKERSRchLchOUTJK501Rch 2Lch 1INPUTJK401CN7

41、01GNDCN19CN19S701CN701T/TMOTORCN010CN10MAUXRch 4AUXOUTPUTLch 3CN06CN04MJK402OUTVIDEOCN002CN001CN003CN405CN405101616110111515166111533117115152211118861614141313151512121611191193311313118181651511521216542311110PT701987P7P4P8P3P2P1P5P3P1T4AL 250VT2AL 250VP2P5P4P6P8240V220-110-120V50/60Hz220-240VP7AC

42、1AC215ED12121111111211211112P6F702F703: AC110-120V/(M,I)1144WIRING DIAGRAMRXD-V313(K) COVER1,1( 98.12.11 9:46 yW 17Q408Q412IC401D503D711D206D708D207D709R498C405R492R485R491R488R490J408C474C472R486R497R476R477C465R712C734J725R506C512J502J513C526C525C533R494R493R496C478C728C501R501J503C502R502R505C511

43、R510R514J510C522R549C520R548R524C506R508J527R542R541R540R220R250R217C214R214R212R238C510RRCCR456R454J233C446R268R453C447R281C213R213R211R261R227R207R251R203J203J204C239R201R267J238R239C244CN205CN206R241C233C245R249C231C230J202R202R247R248C528CN201C527JK502J242SW201L202R243P2AC SW PCBAUDIO UNITHEADPH

44、ONE UNITRECORD SWITCH UNITAUX OUTAUX IN12S701AC110-120VAC220-240VPHONESREC SWBEATCANCELLRSPEAKERSAC CORD UNITP8P5P6P8F703 T2AL/250VF702 T4AL/250VAC2AC1P3P1P6P4P5J237CN201J205C240C209R215R222R221R223R253R224J212R252R219R517R539C470C418R483R414C459R475C461R478R471C457C458R470C460R472C462R473R474R416R4

45、13R415R484C477C484J407J740J730J733J431J418J419J732J735J520R535C519R536J218J718R703J227J228LLRRJ717J232J723J724J230J219J734J425J426J731J739J738J708J712J217J215J514J406J405J705J504J519J720J722R422C420J424J429R480C467R479J433J413J417J423R421J416J403J729C736C735C448C733C449J714J207IC201R242R218J213J210J

46、209J220R450R452J464J706J707J505J506R543J709R702J728R706R701J507J508J526R552J517IC50281J710IC40418J468J412J422J727J711J713J518J525J206J224J719F701CN70115J239J226J240J430J235J236J443J445CN501J229J214J216J211J221R232C212C412R230C218R228R446R208J208R204C210R259C246C224R263R264R237R236R234R257R256R262R22

47、3R235R269R254R233C217R229C225C413C445C443C719C226LLC211C242C721R231C2011122413R226C216R240C241C234C208C238C227C207C221C237C222C228C219C220C232L201R206AR206C206C202C215C235J201R225R24621CN203R245R266C534J241C236CN20411615418C437R439R443R481R433R441J440R435R429R437C431C433C429R427C425J432R423C427C469C

48、439R425R431R424C426R426R417CN405CCP131154C428C432R430R438R451C444ICTCASS AMPC422C424C421C423C440R445R400R458C718J444C720C729C483C481C482J225R457119R447R449R448R446J466R467C455R469R466R468C456R419R418R420C438C435R260CN20518C441R436C468J438C434R434R428R444R482J437R432C436R440C442C430R442C243 R244C204C

49、203C205R205AR205R455R258R265J726J434J427J428J467J421J420J402R704R707J404J410R527J742J501J736J737R209P10R523L501L502R528RL501C532BER404R403C724R402R401R408R406R407R405R715C530C702C714R411R512R513J523C705C529C706C703C704R511R503R504C516R526R545R531R532R551R546J516C524C521R543R544C510R515C523R547R520R5

50、21R518R519R522R516C701R525C515R412C711C715C722C713C732C463C509C508C507C505C503C504C518C531P12C517C464P11C727C726C725C731C712J401C419CN40261EEBQ415EBQ414EBQ411EBBBEQ409Q410BEQ413BEQ510BEQ509BEQ507BEQ709BEQ513BEQ708D703D405D504D501D505D211D201D203D706D212D209D208D506D402D210D204D701D202D205D712EBQ406E