Kenwood-DVR7000-avr-sm 维修电路原理图.pdf

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1、DVD / AV RECEIVERDVR-505/7000SERVICE MANUAL 2001-12 PRINTED IN KOREAB51-5779-00 (K/K) 3482 DIGITAL(OPTICAL)S VIDEOFront panel *(A60-)Crystal window (B10-3850-08)In compliance with Federal Regulations, following are repro-duction of labels on, or inside the product relating to laserproduct safety.KEN

2、WOOD-Corp. certifies this equipment conforms to DHHSRegulations No.21 CFR 1040. 10, Chapter 1, subchapter J.DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM.Caution : No connection of ground line if disassemble the unit. Please connect the ground line on rear

3、panel, PCBs, Chassis and some others.Knob(VOLUME) (K29-8164-08)Button (K29-8163-08)Button(POWER) (K29-8165-08)Indicator select (B19-1643-08)Optical input jack (W02-2934-08)Phone jack (E11-0957-08)S-video jack (E56-0045-08)RCA jack (E63-1272-08)* Refer to parts list on page 29 . * Refer to page2 if y

4、ou want to know systemconfiguration.70%(DVT-505/7000)*DIN socket (E63-1243-08)Top cover (A01-3863-08)Tuner assy *(W02-)AC power cord *(E30-)Clamp cord (J42-0350-08)Oscillating module (W02-2911-08)Oscillating module (W02-2934-08)Phono jack (E63-1244-08)RCA jack (E70-0165-08)Phono jack (E63-1270-08)Sl

5、ide switch(SW1)(S62-0113-08)RadioFans.CN 收音机爱 好者资料库AC Plug Adaptor (1)(E03-0115-05) Use to adapt the plug on thepower cord to the shape of thewall outlet.(Accessory only for regions whereuse is necessary.) FM indoor antenna (1)Loop antenna (1)Remote control unit (1)Batteries (LR03/AAA) (2)Video cord

6、 (1)SCART plug (1) (for U.K. only)Speaker cords (6)(T90-0882-08)(A70-1580-08): KPXY(A70-1580-08): MM2M3(A70-1581-08): TE(E30-7265-08): Red(E30-7266-08): Blue(E30-7267-08): Brown(E30-7268-08): Blue(E30-7269-08): Gray(E30-7270-08): Orange(T90-0896-08)(E69-0012-05)(E30-1427-05)DVR-505/70002CONTENTS / A

7、CCESSORIES / CAUTIONSCONTENTS / ACCESSORIES / CAUTIONS. 2BLOCK DIAGRAM .3CIRCUIT DESCRIPTION.4WIRING DIAGRAM.9PC BOARD . 10SCHEMATIC DIAGRAM . 16EXPLODED VIEW .28PARTS LIST.29SPECIFICATIONS .Back coverContentsAccessoriesThe marking this product has been classified as Class1. It means that there is n

8、o danger of hazardous radia-tion outside the product.Location: Back panelCLASS 1LASER PRODUCTThe marking of products using lasers(Except for some areas)Operation to resetThe microcomputer may fall into malfunction (impossibility tooperate, erroneous display, etc.) when the power cord is un-plugged w

9、hile power is ON or due to an external factor. In thiscase, execute the following procedure to reset the microcom-puter and return it to normal condition. Please note that resetting the microcomputer clears thecontents stored in and returns and to condition when it leftthe factory.Set the POWER swit

10、ch to ON (set to Standbymode). Then press the key, 4 key and STOPkey in this order.CautionsSYSTEMMAIN UNITDESTINATION SPEAKERDVT-505DVR-505KPKS-305DVSW-15DVDVT-7000DVR-7000ETMXYKSW-7000DVT-7000(M2)DVR-7000(M2)M2KSW-7000DVT-7000(M3)DVR-7000(M3)M3KSW-7000System configurationRadioFans.CN 收音机爱 好者资料库DVR-

11、505/70003D GND6dB6dBC-VIDEODVDS-VIDEO6dB6dBDVDAGND-5.6V+5.6VCOMPOSITER(CR)B(CB)G(Y)CY+5.6V-5.6VAGNDR(CR)B(CB)G(Y)CYCVBSFROM SYSTEM u-COM27MHzDAC MCLKAGNDMGNDDGND+5.6VSPDIFDGNDMGND+5VAAGND+12VA-5VA+3.5V+2.5V+5V+5.5VS+12VM+12VMtoDVD & VIDEOGNDP/C5.5VSP/Dto FRONTLPFLPFLPFLPFLPFLPFINPUT12.28MHzSDATAN1SW

12、CTRSLSFRFLDVDFROM SYSTEM u-COMSWCTRSFRLSFLSWCTRSLSFRFLFLGNDFRRSGNDLSCENTERGNDSWDC PRTECTIONCHGNDAM OSCFM OSC224DGNDAGNDTUNER-LTUNER-Rto u-COMAGNDBUFFERRDS DATA/CLKGNDGND745612312312F202F201RY201ST-BY +5VAC INPUT FOR SMPSAC2AC1+VEE/S1VDD/S1+-15V+15VAC1+AC2OUTGNDINFL ACFL AC+3.3V+5V+FUNCTIONSECTIONCON

13、TROLSECTIONVOLUME/TONETUNERDVDCONTROLLEDCE,CLK,DATA4094+5VA/D INPUTP/CRDS DATA/CLKPOWER DOWNTO SMPSDETECTDCPROTECTDGNDHEADPHONEDETECTH MUTE17dBFRONTMUTESURMUTEMUTECENSUB/WMUTESUB WOOFERAUX(F)VIDEO2R/OP/BMONITORVIDEO1MONITORR/OVIDEO2P/BAUX(F)VIDEO1VIDEOSWITCHINGAUDIOOUTPUTIC201MPEGPROCESSORSDRAMFLASH

14、EEPROMADCMECHANISMCONTROLLOADPLL ICDACAUDIO-IC1SECTIONDVDSMPS FORDVD & VIDEOFOR DVDAC INPUTAUX(F)COAXIALOPTICALCOAXIALOPTICALOPTICALOUTPUTDIGITALINPUTDIRPROCESSORSURROUNDADC &DACIC5IC1IC14IC11,12IC84VOLUME &MASTERTONECIRCUITIC88(2/2)IC88(1/2)IC87(2/2)IC87(1/2)IC86(2/2)IC86(1/2)IC89SPKRRLY101IC90RLY1

15、02SPKRIC91RLY103SPKRJACK101-CJACK101-AJACK101-BGNDAM LOOPFM75ANTENNAAM RFFRONT-ENDFMIF AMPFM/AMDECODERRDSIF+MPXPLLTUNER MODULEVIDEO1VIDEO1 RECAUX/FRONTSAT/VID2IC75IC10AUDIOSWITCHCN113CN121CN206AC INPUTAC INPUTSELSTAND -BYCONTROLQ201D70IC501SYSTEM u-COMFL431FL DISPLYIC431REGISTERSHIFTFRONT KEYFUNCTIO

16、NHP401PROTECTIONQ76,Q77HEAD-PHONEIC85HEADPHONEAMPVIDEO INPUTQ84,85REC OUTREC OUTDIGITALINDATADATADIGITALDATASURROUNDDSP BDIC70IC71IC73IC72DVR-505/7000BLOCK DIAGRAMDVR-505/70004CIRCUIT DESCRIPTIONPort No.Port NameI/ODescription1GRID2OFIP GRID2GRID1OFIP GRID3NC-CONNECTED TO VDD4POWER DOWNIPOWER DOWN C

17、HECK 5RDS CLKIRDS CLOCK6DVD RXIDVD UART INTERFACE (RX)7RDS OPTION-NC (CONNECTED TO GND)8RMCIREMOTE CONTROLLER SIGNAL9RDS DATAIRDS DATA10SM7346 CLKOVOLUME IC (IC84) CLOCK 11SM7346 DATAOVOLUME IC (IC84) DATA12ENCODER UPIENCODER (1) SIGNAL13ENCODER DWIENCODER (2) SIGNAL14DVD TXODVD UART INTERFACE (TX)1

18、5DVD RSTODVD RESET16DSP A. BOOSTODSP AUTO BOOT 17H/P CHKIHEADPHONE CHECK 18CS8415A-CEODIR IC (IC14) CHIP ENABLE 19EMPHASISOCS4228 DAC IC EMPHASIS ON/OFF 20TUNEDITUNED SIGNAL 21DSP INTREQODSP INT REQUEST 224094CEOIC431 CHIP ENABLE 23CS49326 CEOCS49326 DSP IC (IC5) CHIP ENABLE 24CS4228 CEOCS4228 DAC I

19、C (IC1) CHIP ENABLE 25DSP CLKOCS49326 DSP IC (IC5) CLOCK 26CS49326 DATA INICS49326 DSP IC (IC5) DATA 27DSP DA OUTOCS49326 DSP IC (IC5) DATA 28VREFIA/D REFERENCE (5V)29PROTECTIAMP PROTECTION IN30KEY INIA/D KEY 31EEPROM DATAI/OEEPROM (IC502) DATA32EEPROM CLKOEEPROM (IC502) CLOCK338415 DA INICS8415 DIR

20、 IC (IC14) DATA 34DVD OPTIONIMODEL DISCRIMINATION35PLL DATA INIPLL DATA 36STEP OPTIONITUNER STEP OPTION 37VSSIAVSS (ANALOG GND)38RSTIRESET(LOW ACTIVE)39EXTALIX-TAL IN(10MHz)40XTALOX-TAL OUT(10MHz)41GND-VSS (DIGITAL GND)42NCOUNUSED43GND-GND44VDDIVDD (DIGITAL VDD)45VFDPIVFDP (FIP PULL DOWN POWER -30V)

21、46STANDBYOSTANDBY (POWER RELAY ON/OFF)47SPK RELAYOSPEAKER RELAY ON/OFF48SUB ON/OFFOSUB WOOFER GAIN CONTROL49CS8415 RSTOCS8415 (IC14) RESET50PLL CEOPLL CHIP ENABLE51PLL CLKOPLL CLOCK52PLL D OUTOPLL DATA 53A CLKOCOMMON CLOCK(LC7821,BU4094)54A DATAOCOMMON DATA(LC7821,BU4094)5559VIDEO (SW1SW5)OVIDEO SW

22、(15)1. Port Description of System Microcomputer : CXP828XX(IC501)DVR-505/70005CIRCUIT DESCRIPTIONPort No.Port NameI/ODescription604228 RSTOCS4228 (IC1) RESET61LC7821 CEOLC7821(TUNER PACK) CHIP ENABLE62SM7346 CEOSM7346 (IC84) CHIP ENABLE63T MUTEOTUNER MUTE64S MUTEOREAR SIGNAL MUTE65C MUTEOCENTER SIGN

23、AL MUTE66F MUTEOFRONT SIGNAL MUTE67W MUTEOSUB WOOFER SIGNAL MUTE68CS49326 RSTOCS49326 DSP IC (IC5) RESET6971DSP (A15A17)ODSP ROM ADDRESS (SEL 13)7288SEG (117)OFIP SEGMENT 89VDD-VDD (DIGITAL VDD)90,91SEG18,19OFIP SEGMENT 92-100GRID (113)OFIP GRID Port No.Port NameI/OMainAlternate functionFunctionInpu

24、tOutputAudio DAC51DAC SCLKOOver sampling clockEXT AUD CLOCK52DAC PCMOUT0OPCM out 0EXD AUD DATA53DAC PCMOUT1-PCM out 1 (unused)EXT AUD REQ54DAC PCMOUT2-PCM out 2 (unused)55DAC PCMCLKI/OPCM clock56DAC LRCLKOLeft/Right clockEXT AUD WCLK57SPDIF OUTOSPDIF out48VDD PCM-VDD(+3V3)49VSS PCM-GNDClock & Reset1

25、24RESETIChip reset122VDD PLL-VDD PLL123VSS PLL-GND120PIX CLKI27MHz main clockPIOs and communication186PIO0(0) T STROBEI/OPIO0(0)UART0 data187PIO0(1) MOD SWI/OPIO0(1)ATAPI RD188191PIO0(2)PIO0(5) OUnusedPIO0(6) SLIDER SENSOR192OPEN/CLOSEI/OPIO0(6)(DRAWER POSITION)193PIO0(7) SLIDER IN(DRAWER CCW/CTRL)I

26、/OPIO0(7)194PIO1(0) SDAI/OPIO1(0)SSC0 data(MTSR out/MRST in)195PIO1(1) SCLI/OPIO1(1)SSC0 clock196PIO1(2) SLIDER OUT(DRAWER CW CTRL)I/OPIO1(2)PARA DVALID197PIO1(3) TXD(JIG)I/OPIO1(3) UART2 TXD200PIO1(4) RXD(JIG)I/OPIO1(4)UART2 RXD201PIO1(5) FRONT TXDII/OPIO1(5)PARA SYNCUART1 RXD202TRIGGER INI/OTrigge

27、r in for DCU203TRIGGER OUTI/OTrigger out for DCU204PIO2(0) H/P IND-Unused205PIO2(1) FRONT RXDI/OPIO2(1)PARA SYNC206PIO2(2) -Unused207PIO2(3) -Unused208PIO2(4) AUDIO MUTEI/OAudio mute2. Port list sorted by function for MPEG Processor IC(Main IC201)DVR-505/70006CIRCUIT DESCRIPTIONPort No.Port NameI/OM

28、ainAlternate functionFunctionInputOutput1PIO2(5) RGB SEL(BLANK)I/ORGB sel.(blank) Unused2PIO2(6) VIDEO MUTEI/OVideo mute3PIO2(7) 16: 9 INDICATORI/O16 : 9 indicator(Unused)6PIO3(0) SCART H(TV/AUX)I/OPIO3(0) UnusedPARA DATA(0)7PIO3(1) I/OPIO3(1) UnusedPARA DATA(1)8PIO3(2) I/OUnusedPARA DATA(2)9PIO3(3)

29、I/OUnusedPARA DATA(3)/CAPTURE IN010PIO3(4) IR REMOCONI/OUnused11PIO3(5)I/OUnusedPARA DATA(5)/CAPTURE IN2UART2 RTS(RTS2)12PIO3(6)I/OUnusedPARA DATA(6)/UART1 CTS(CTS1)COMP OUT113PIO3(7) DVD RESETI/OPIO3(7)PARA DATA(7)/UART2CTS(CTS2)COPM OUT039PIO4(0)HP MUTE-Unused40PIO4(1)-Unused41PIO4(2)-Unused42PIO4

30、(3) DAC RESET-Unused43PIO4(4) PLL CS-Unused44PIO4(5) DAC CLOCKODAC clock45PIO4(6) DAC DATAODAC data46PIO4(7) DAC CSI/OPIO4(07)YC(07)Reserved20B WCLKI/OUnused21B V4I/OUnused22NRSS OUTI/OUnused103ADC SCLKI/OUnused104ADC LRCKI/OUnused105ADC DATAI/OUnused106ADC PCMCLKOUnusedEMI Interface161170CPU ADR(11

31、0)OADR(110)173183CPU ADR(1121)OADR(1121)141148CPU DATA(07)I/ODATA(07)151158CPU DATA(815)I/ODATA(815)138CPU RAS1I/OUnused131CPU WAITIConnected to GND130CPU RWOUnused128CPU BE(0)OBYTE 0 ENABLE129CPU BE(1)OBYTE 1 ENABLE139CPU CAS0OUnused140CPU CAS1OUnused135CPU CE(0)OUnused134CPU CE(1)OUnused133CPU CE(

32、2)OChip Sel. BANK2132CPU CE(3)OChip Sel. BANK3118CPU PRO CLKOSDRAM clock117CPU OEI/OOutput enableInterrupt127IRQ(0)IUnused126IRQ(1)IUnused125IRQ(2)IIRQ(2) (MD IRQ)Timers116PWM0I/OUnusedHSYNCDVR-505/70007CIRCUIT DESCRIPTIONPort No.Port NameI/OMainAlternate functionFunctionInputOutput115PWM1I/OPulse w

33、idth modula oBoot from ROM3114PWM2I/OUnusedVSYNCJTAG113TCKITest clock112TDIITest data in111TDOOTest data out110TMSITest mode select109TRSTITest resetFront-end16B DATAI12S dataSER Data17B BCLKI12S bit clockSER BCLK18B FLAGI12S error flag DVDSER VALID19B SYNCI12S selector/ABS timeSER SYNCVideo DAC27,2

34、6,25R/G/B (OUT)OR/G/B output3234Y/C/CV (OUT)OY/C/CV output29I REF RGII REF DAC RGB28V REF RGIV REF DAC RGB36I REF YCII REF DAC YC35V REF YCIY REF DAC YC23VDD RGB-YDDA RGB =2.5V24VSS RGB-GND30VDD YCC-YDDA YCC =2.5V31VSS YCC-GNDShared memory interface6966SMI ADR(03)OAddress bus SDRAM5863SMI ADR(49)OAd

35、dress bus SDRAM7073SMI ADR(1013)OAddress bus SDRAM8493SMI DATA(015)I/OData bus SDRAM9710274,75SMI CS(0,1)OChip select bank 0,176SMI RASORAS SDRAM77SMI CASOCAS SDRAM78SMI WEOSDRAM write enable79,80SMI (DQML, DQMU)ODQ MASK EN LOW, UP82SMI CLKINISDRAM clock in95SMI CLKOUTOSDRAM clock outPower supply4,4

36、7,81,107136,159,184VDD3 3-3.3V Power supply14,37,64,94 119,149,171VDD2 5-2.5V Power supply1985,15,38,50,6583,96,108,121137,150,160VSS-GND172,185,199DVR-505/70008CIRCUIT DESCRIPTIONPort No.Port NameI/OFunction1,2VCC1,2-VCC2,6,9VIN,VIN (1,2)IVideo input (Composite or Y)3YC MIX-YC MIX select (Unused)4C

37、INICroma input (Open)5CLP-Clamp select (Connected to GND)7,8MUTE (1,2)OMute select (Unused)10GND-GND11,13CbIN, CrINIComponent input12Dual/Single-Power select (+5V)14,15,19,21,22,24VEE1, VEE2-VEE (-5V)16,18,20,CrOUT, CbOUT,23,25,27YOUT2,YOUT1,OVideo outputCOUT,VOUT23,25,27YOUT1, COUT,VOUTOVideo outpu

38、t (Open)17,26PS2,PS1-Power save (Connected to GND)3. Port Description of ICVideo Driver : MM1540AF (IC601)DVR-505/70009WIRING DIAGRAMCP506CP531CP431CP106CP108CP107CP104CP508CP507CP504CP532CP432CN435CN535CP533CP433CP534CP434JA401VIDEORLJA402S VIDEOCP208JA551OUTJA555JA554JA553MONITORSATINVCROUTJA552VC

39、RMONITOROUTOUTINVCRVCRSATININCP505CP204CN201CP201CN201CP201CN204(M,Y) TYPECN301CP301(K,P,J,E,T,X) TYPEAC INPUTCN113CN121CN206CN113CN121CP302SW1CN206CP206CP121CP113CN205CN1CP207CN3CN204CN4CN205CP203YINVCROUTVCRRchCrCbJACK103LchRchJACK102SATINAUDIOLchRchLchJACK101-AJACK101-BJACK101-CLchRchFRONTREARRch

40、LchSUB WOOFERCENTERCP1JAC4JAC5JAC1OPTI-IN 1OPTI-OUTCOAX-IN 1HP401JK403OPTI-INCP3CP103CN103CP2CN2CP114C1CP115CP216CP401CP102CP101CP402CP215CP608CN202CN403CP403CP501CN401CN501CP105CP202u-COM BDMAIN BDFRONT BDSTANDBYLED BDLEDDISPLAY BDFRONTVIDEOINPUT BDDVD BDMECHAF/E BOARDPOWER BDSMPS BDDSP BDPACKTUNER

41、HEADPHONEBDLINK BD-BLINK BD-ADVR-505/70001121218811131311661111111133331122111313131321111919441111191912230VF202115VF2017131127131155115211213714121214411112121151117211515131311311311111111111111111111111112110110117221141115ACEGIBDFHJ2135746Refer to the schematic diagram for the value of resistor

42、s and capacitors.PC BOARD (Component side view)1011L206L204L205C227C226C234R298RM212C324R216C208C301C302R309C207R205R302R301C322C307C308C309C306C213C201L209L201L202L302L203R265R264C224C403C402C401R408R407C223C222C405L415R404R253R255C220R254C303C305C304RM208RM211RM209RM210RM201RM202C603C602C604C601RM

43、206E BC203C205C326C211C312R315C310R313R312R311R310C219R242C404R413C212C214C209R209C202C304RR308LC304LR308RR309RR323R322C307RC307LR309LC328C329CM201RM207Q301D302D301QM202E BR608L213SL212CC605181191218141411528119182C229C230C228C236L211YC251YC254CC252YC253CC255SC256SC606R609R611LM201R610R269R270R210YR

44、600R601R602R211CR206BR303RC305LC306LC306RC305RR302LR231RA301RA302RA303RA304RA305RA306RA307R232R234R207GR212SR213R214R215R208RRM213RM203R283RA408RA407RA406RA405R401R246L501R247C504R237R289R290R240R239R238R288R241R243C216R244R245R251R250C231C217R248R249R403R405R406R282RM205RM204CM203R607R606C302RR304R

45、C303RR302RR325R301RC327C323C301LC303LR304LR303LR235C311C330B EB EB EB EB ER303R304R305R306R307R308R280R281C502C503C505R502R503X501C501C218R501C215R236JTAG JIGDOWN LOADR301LC301RC302LR274R273R203R202R201R204C610CM205CM204814816125428271051565211045315720824251121415121421814711548191885145514C611C233

46、C204C206C210C325C225C232R223R263R262R409RA401RA402C221C406RA403RA404R402R266R268R267R233C607C608C609DVD BOARDCN203CN205IC601Q600CP201DM204DM201ICM21IC202IC302IC303Q301RQ301LQ302LCN202CN201IC301IC201IC401CP202CP203CN204Q202Q201IC501QM201DM202DM203CP204B EB EC066C057R066C067C075C016R901BD07C070R057R05

47、8C073R903C137R902C049C041R074BD12BD11C206C030C037C181C902R081R082R083R084R085R086R087R088C179C028C076C077C019R036C020C079C007C006C223C04211020111102011BD09BEAD7C043BD02BD01BD03R060C025BD06BD13BD902BD901R009R010C034IC02IC03411111481528141114BE2815558415841111584121311216171102011110201139297413230142

48、0212913517182861444058C062C068FID1R048R065C061R040C212C211R026R158C153C060R045C069C050C071C056C012BD38C013C901BD35BD37BD31BD34BD10BD18BD27BD19BD30BD17BD32BD20BD16BD26BD29BD14R056R055R067C021C024R196C027R072R077R079C003C120C009C136C010C140R013R301R105C029R021C177C173R302C178C171C055R007C026Y001R004C0

49、02R162C035FID2R114CP04C004BD39BD05C033BD04C172R053R054R008R117C078R163C046C053C180R304C170C154R305R073R033C052C051R041C047R032L001L002FID3R159C119R193R037R194R063C213C117C214C058R064R062C118C215R069R038R161R160R303C162C141R300R024R023C032C001R003R005R012R025C008C182C038C044C045R164R110C018C017R011R0

50、50 C064R052R047R046 R049 C063R051C065C015L005C074L004C023R018C022C224R017E BJ001R027C039C183R022R001R014C031C011J002C040R031R019BD08R059R108R107R016R113BD25C059R043C202R044C225R039C228C072C121R140C187R071R061C116C185R070R155C504C166C186R195R035R028C048R153R151C161C184C230L003R034R030R042C036R029C231