Kenwood-KRFVR-8070-Service-Manual电路原理图.pdf

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1、AUDIO VIDEO SURROUND RECEIVERKRF-X9080D/X9080D-SVR-8070/8070-S/8060-SSERVICE MANUAL2004-7 PRINTED IN KOREAB51-5916-00 (K/K) 93370%70%SPEAKER EQACTIVE EQDSP STEREOINPUT MODEDIMMERSOUNDTONESETUPBANDAUTOMEMORYMULTI CONTROLLISTEN MODETUNERMD/TAPEVIDEO3VIDEO 2VIDEO 1PHONOCD/DVDTHXDTSDSP DOLBY DIGITALSPEA

2、KER EQACTIVE EQSTANDBY ON/STANDBY A SPEAKERS BPOWER PHONESDOWNMUTEAV AUXS VIDEOVIDEOL-AUDIO-RUPVOLUME CONTROLDVD/6CH-ONOFFTHXPhone jack *(E11-)AC OUTLETSAC 230V50HzSWITCHEDTOTAL 90W MAX.ROOM BFRONTSURROUNDSURROUNDBACKSUBWOOFER CENTERPRE OUTR LININREC OUTPLAY INCD/DVDMD/TAPEPHONOR LR LVIDEO 1VIDEO 2V

3、IDEO 3PLAY INPLAY INPLAY INREC OUT S VIDEOOUTVIDEOS VIDEOINVIDEOS VIDEOINVIDEOS VIDEOINVIDEOS VIDEOINVIDEOS VIDEOOUTVIDEOMONITORDVDCOAXIALOPTICALOPTICALVIDEO 3OPTICALMONITORCD/DVDDIGITAL INDIGITAL OUTVIDEO2DVD/6CHDVDINVIDEO3INMONITOR OUTVIDEO 2 INCRCBYCRCBYCRCBYCOMPONENT VIDEODVD/6CH INPUTFRONTSURRO

4、UNDSUB WOOFER VIDEOOUTROOM B+- FRONT BRLGRAYSURROUNDRL-+-+-+-+BLUETANRLBROWNGREENWHITEREDRLCENTERFRONT A- +SURROUNDBACKFM 75GND AMANTENNAFront glass *(B10-)*Refer to parts list on page 44. AC power cord * (E30-)Screw terminal board(E70-0192-05)Oscillating module(W02-4540-05)Pin Jack(E63-1249-05)Pin

5、Jack(E63-1250-05)x2Pin jack(E63-1253-05)x2Tuner assy *(W02-)Illust. is KRF-X9080D.Knob(BUTTON) *(K27-)Knob *(K29-)Knob *(K29-)Escutcheon *(B07-)Panel *(A60-)Escutcheon *(B07-)Dressing panel *(A21-)Knob assy *(K29-)Lock terminal board(E70-0160-05)AC outlet *(E03-)Power cord bushing(J42-0349-05)Pin Ja

6、ck(E63-1251-05)Cylindrical receptacle(E56-0033-05)Knob *(K29-)Pin jack(E63-1317-05)x2Pin jack(E63-1317-05)x2Pin jack(E63-1252-05)Pin jack(E63-1246-05)Pin jack(E63-1080-05)Cylindrical receptacle(E56-0040-05)x3Optical receiving module(W02-4524-05) x2Pin jack(E63-1248-05)Pin jack(E63-1247-05)Screw term

7、inal board(E70-0150-05)KRF-X9080D/VR-8070/80602CONTENTS / ACCESSORIES / CAUTIONSCONTENTSCONTENTS / ACCESSORIES / CAUTIONS.2EXTERNAL VIEW.3ADJUSTMENT.4INTERCONNECTION DIAGRAM.5PC BOARD.7SCHEMATIC DIAGRAM.21EXPLODED VIEW.42PARTS LIST.44SPECIFICATIONS.59Resetting the MicrocomputerThe microcomputer may

8、malfunction (unit cannot be operated,or shows an erroneous display) if the power cord is unpluggedwhile the power is ON, or due to some other external factor. Ifthis happens, execute the following procedure to reset themicrocomputer and return the unit to its normal operatingcondition.Please note th

9、at resetting the microcomputer will clear the contentsof the memory and return the unit to the state it was in when it leftthe factory.Unplug the power cord from the wall outlet, then plugit back in while holding down the POWER ON/STANDBYkey.For the U.S.A. and CanadaWith the power cord plugged in, t

10、urn the POWER ON/OFF key OFF. Then, while holding down the ON/STANDBYkey, press POWER ON/OFF key.For other countriesMemory back up functionPlease note that the following items will be deleted from the unitsmemory if the power cord is disconnected from the AC outlet forapproximately 1 day.Power modeI

11、nput selector settingsPicture outputSpeaker ON/OFFVolume levelBASS, TREBLE, INPUT levelTONE ON/OFFLOUDNESS ON/OFFDimmer levelMD/TAPE settingsListen mode settingSpeaker settingsDistance settingInput mode settingSound mode settingsBroadcast bandFrequency settingPreset stationsTuning modeACTIVE EQ mode

12、SPEAKER EQ modeCAUTIONSRemote control unit (1)(See the below table)AM loop antenna (1)(T90-0852-05)FM indoor antenna (1)U.S.A. and Canada(T90-0905-05)Other countries(T90-0877-05)Batteries (R6/AA) (2)AC plug adapter (1)(E03-0508-00)Use to adapt the plug on the power cord to the shape of the wall outl

13、et.(Accessory only for regions where use is necessary.)ACCESSORIESREMOTE CONTROL vs MODELMODELPARTS #REMOTE CONTROL #DESTINATIONVR-8070A70-1659-05RC-R0827K1P1VR-8070-SK2P2KRF-X9080DA70-1620-05RC-R0820Y1KRF-X9080D-SX1KRF-X9080DA70-1621-05RC-R0821E1KRF-X9080D-SE2VR-8060-SA70-1622-05RC-R0822K3P3KRF-X90

14、80D/VR-8070/80603EXTERNAL VIEWVOLUME CONTROLDOWNUPMUTEAVAUXS VIDEOVIDEOL-AUDIO-RLISTEN MODEMULTI CONTROLSETUPTONESOUNDMEMORYAUTOBANDTUNERPHONOCD/DVDDVD/6CHMD/TAPEVIDEO 3VIDEO 2VIDEO 1 THXSPEAKER EQACTIVE EQDSPSTEREOINPUTMODEDIMMERTHXSPEAKER EQACTIVE EQDOLBYDIGITALDTSDSPPOWERSTANDBYON/STANDBYASPEAKER

15、S BPHONESKnob *(K29-)Front glass *(B10-)Phone jack *(E11-)Knob *(K29-)Panel *(A60-)Knob *(K29-)Knob *(K29-)Knob assy *(K29-)Knob assy *(K29-)Cylindrical receptacle (E56-0033-05)Escutcheon *(B07-)Escutcheon *(B07-)Pin jack (E63-1251-05)Illust. is VR-8070.*Refer to parts list on page 44. KRF-X9080D/VR

16、-8070/80604ADJUSTMENTKRF-X9080D/X9080D-S, VR-8070/8070-SVR-8060-SAUDIO SECTIONSPEAKER : ACN11, FL ch.CN10, FR ch.CN14, SL ch.CN13, SR ch.CN12, C ch.CN15, SBL ch.X09(A/4)CN706, SBR ch.X13(F/6)(FRONT 2chMODE)Volume:MinimumIDLE CURRENT-VR1(FL)VR2(FR)VR3(SL)VR4(SR)VR5(CENTER)VR6(SBL)X09(A/4)VR702(SBR)X1

17、3(F/6)Adjust everypotentiometer10 minutes laterafter turnedthe power on.OUTPUTSETTINGSRECEIVERSETTINGSITEMNo.INPUTSETTINGSALIGNMENTSETTINGSALIGNMENTPOINTSFIG.No.ITEMINPUTOUTPUTRECEIVERALIGNMENTALIGN FORFIG.SETTINGSSETTINGSSETTINGSPOINTSAUDIO SECTIONSPEAKER : AIdling Current AdjustmentAll power ampli

18、fier stage need idling current adjustment after the installation of TRAIT transistor.1. Connect a voltmeter to CN11 with the correct polarity as indicated by the PCB silk print.2. Adjust the preset, VR1 to get 8.8mV (Idling current = 20mA) at the voltmeter reading.3. Repeat step 1 and 2 for all othe

19、r channels.CN11, FL ch.CN10, FR ch.CN14, SL ch.CN13, SR ch.CN12, C ch.CN15, SW ch.X09(A/5)(FRONT 2chMODE)Volume:MinimumIDLE CURRENT-VR1(FL)VR2(FR)VR3(SL)VR4(SR)VR5(CENTER)VR6(SUBWOOFER)X09(A/5)Adjust everypotentiometer10 minutes laterafter turnedthe power on.KRF-X9080D/VR-8070/80605INTERCONNECTION D

20、IAGRAMONLY(Y) TYPESPACESWITCHCHANNELA3A2A1VIDEO 3AMFM(75GNDPHONESJ501CN51CN13RchCN10LchRchCN12CN11CN21 CN22WH21E21CN14 CN15E22P501WH90WH91WH93CN7WH92CN4CN6WH88S1CN2CN4VIDEO 2VIDEO 1PLAYMD/TAPEPLAYMD/TAPECD/DVDVIDEO 1RECRECFLLchRchJ21LchRchWH2LchRchLchRchSWSLDVD/6chSRCFRLchRchLchRchJ11LchRchJ6LchWH1C

21、N302SPEAKERSFRONT BJ502SPEAKERSCENTERSPEAKERSJ3WH4CN304CN5CN301J5CchRchFRONT ALchWH221CN303VIDEO2CN1CN3COAXIAL INDVD/6CHOPTICAL INOPT OUTVIDEO3J1CD/DVDVIDEORchAUDIOLchCN2S-VIDEOWH20J20 P3J21PRE OUTJ303WOOFERCENTERJ302SURROUNDFRONT RFRONT LROOM BROOM BRLVIDEO1OUTMONITORROOM BOUTVIDEO INMONITORDVDJ63J

22、62VIDEO3VIDEO INVIDEO2VIDEO INVIDEOOUTJ61(Y) TYPECN50WH80WH70WH89CN3CN80CN70WH78WH94WH87CN45(E) TYPE ONLYJ3(K,P,Y) TYPE ONLYJ2P2ONLY(Y)TYPECN48EXCEPTCN47CN1(Y) TYPEEXCEPTWH61VIDEO1S VIDEOOUTCN68J65CN65J66OUTMONITOR(Y)TYPE ONLYCN49 WH5CN46(K,P) TYPEEXCEPTS2P1CN41WH42S1CN1 WH1CN67J67CN5(X08-3310-12)WH

23、86(E) TYPEONLY(X) TYPE ONLYJ5(E,Y,X) TYPE ONLY(X14-7780-11)PHONOWH5CN52CN8WH8WH9LSURROUNDRSURROUNDSURROUNDBACK LBACK RSUBBACK RSURROUNDSURROUNDRSURROUNDBACK LSURROUNDLWH303CN704CN702WH6WH704CN706CN705WH701CN707CN703S VIDEOINVIDEO2INS VIDEOVIDEO3S VIDEOINDVDS VIDEOININVIDEOE602CN151OUTIRREPEATERRECEI

24、VERINIRJ201J202P201WH62MONITOROUTYCbCrVIDEO3INYDVD INYDVD INCbVIDEO3INCbVIDEO3INCrDVD INCrYVIDEO2INCbCrJ103J101E601CN12CN11(X09-6860-10)WH7(X13-7940-11)WH3)CN9ONLY(E,X,Y)TYPE(K,P)TYPE ONLYJ102THERMISTORJ12J22131 2 121 2 115 151195112 1 2 1 2 5113919119 115151211101211100kHz10 150kHz1414113 1 213 1 2

25、1111 413311714113133131131317171751WWWWCN22: T4A L 250VEXCEPT (K,P) TYPE(K,P) TYPE : 10A 125VCN11CN12F1T2.5A L 250VCN21F221T1132114 5 12121 211 2T4A L 250VCN33161CN45F3220-240V1 31110-120V2 1W108W110W109W106W107W10531AUSTRALIAEUROPEEUROPECANADACANADADESTINATIONCOUNTRYKRF-X9080DKRF-X9080D-SVR-8070-SV

26、R-8070MODEL NAMEU.S.A.U.S.A.PXABB.UNIT No.E1P2K2P1X1E2Y12-720-120-712-912-72WE1 2-71EUROPEEUROPEAUSTRALIAKRF-X9080DKRF-X9080D-SPXX1E2Y10-712-912-71U.S.A.U.S.A.CANADACANADAVR-8070-SVR-8070P1P2K20-11K1COUNTRYDESTINATIONMODEL NAMEABB.UNIT No.155117112131314121212111714311216101816 11781KRF-X9080D-SVR-8

27、070-SKRF-X9080DVR-8070MODEL NAMECANADA P1EUROPEAUSTRALIACANADAEUROPEU.S.A.PX2-71E1E2X1 2-912-71K2P2Y1 2-910-10COUNTRYDESTINATIONU.S.A. K1ABB.UNIT No.110KRF-X9080D-SKRF-X9080DVR-8070-SVR-8070MODEL NAMEY1PX 2-91EUROPEEUROPEAUSTRALIAE2 2-71X1E10-712-71CANADAU.S.A.CANADAU.S.A.COUNTRYDESTINATIONP2K2P10-1

28、1K1ABB. No.UNIT4111K121HEADPHONE PCB(X09- ) (C/4)(W02-2976-05) : E TYPE(W02-2975-05) : Y,X TYPE(W02-2974-15) : K,P TYPETUNER ASSYTUNER PCB(X09- ) (B/4) DISPLAY PCB(X14-7780-11) (A/11)POWER AMPLIFIER UNIT(X09-6860-10) (A/4)FRONT AUX.(X14- ) (H/11)SPEAKER UNIT(X13- ) (D/6)VIDEOCOMPOSITE(X13- ) (B/6)UN

29、ITVR-8070/8070-SVOLUMESTANDBY(X14- ) (C/11)SWITCHCONTROL(X14- ) (B/11)AC/STD. TRANS(X14- ) (I/11)TRANSFORMER(X14- )I/C AVR(X08-3310-12)DSP UNITPOWER(X13-7940-11) (A/6)S-VIDEO UNIT(L07-3286-15) : (E) TYPE(L07-3287-15) : (X) TYPE(L07-3285-15) : (K,P) TYPEPOWER TRANSFORMERPOWER SWITCH(X14-) (K/11)(X14-

30、 ) (J/11)TRANSFORMERPOWERVOLTAGE SELECTOR(E/11)(X14- )KRF-X9080D/X9080D-S(X13- ) (F/6)(X13- ) (E/6)(D/11)(C/6)(X13- )KRF-X9080DKRF-X9080D-SVR-8070VR-8070-SKRF-X9080D/VR-8070/80606INTERCONNECTION DIAGRAMA3A2A1VIDEO 3AMFM(75GNDPHONESJ501CN51CN13RchCN10LchRchCN12CN11CN21 CN22WH21E21CN14 CN15E22P501WH90

31、WH91WH93CN7WH92CN4CN6WH88CN2CN4VIDEO 2VIDEO 1PLAYMD/TAPEPLAYMD/TAPECD/DVDVIDEO 1RECRECFLLchRchJ21LchRchWH2LchRchLchRchSWSLDVD/6chSRCFRLchRchLchRchJ11LchRchJ6LchWH1CN302SPEAKERSFRONT BCENTERSPEAKERSJ3WH4CN304CN5CN301J5CchRchFRONT ALchWH221CN303VIDEO2CN1CN3COAXIAL INDVD/6CHOPTICAL INOPT OUTVIDEO3J1CD/

32、DVDVIDEORchAUDIOLchS-VIDEOWH20J20 P3J21VIDEO1OUTVIDEO INMONITORDVDJ62VIDEO3VIDEO INVIDEO2VIDEO INVIDEOOUTJ61CN50WH80WH70WH89CN3CN80CN70WH78WH94WH87CN45J2P2CN47CN1WH61VIDEO1S VIDEOOUTCN68J65CN65J66OUTMONITORCN41WH42CN67J67CN5PHONOS VIDEOINVIDEO2INS VIDEOVIDEO3S VIDEOINDVDS VIDEOININVIDEOE602WH62MONIT

33、OROUTYCbCrVIDEO3INYDVD INYDVD INCbVIDEO3INCbVIDEO3INCrDVD INCrYVIDEO2INCbCrJ103J101E601CN12CN11WH5 WH6BACK LPRE OUTSUB WOOFERSURRONUDBACK RSURRONUDSPEAKERSSUB WOOFERSURROUND LSURROUND BACK/SURROUND RWH1 WH2J12J22WH3CN2CN49CN201)J102J303J302J301131 2 121 2 115 151195112 1 2 1 2 5113919119 11515121110

34、1211 10 111414112 1 192 11119 14153117113133131131317171751WW10A 125VCN11CN12F121T12114 5 12131612 1W108W110W109W106W107W1053116816 117814111 1111 1131411231HEADPHONE PCB(X09- ) (B/5)(W02-2974-15) TUNER ASSYTUNER PCB(X09- ) (C/5)DISPLAY PCB(X14-7780-10) (A/11)POWER AMPLIFIER UNIT(X09-6760-13) (A/5)F

35、RONT AUX.(X14- ) (H/11)SPEAKER UNIT(X25-6620-12) (B/2)VIDEOCOMPOSITE(X13- ) (B/6)UNITVR-8060-SVOLUMESTANDBY(X14- ) (C/11)SWITCHCONTROL(X14- ) (B/11)AC/STD. TRANS(X14- ) (I/11)TRANSFORMER(X14- )I/C AVR(X08-3310-11)DSP UNITPOWER(X13-7940-10) (A/6)S-VIDEO UNIT(E/11)(X14- )(D/11)(C/6)(X13- )(L07-3138-05

36、)VR-8060-S2ACEGIBDFHJ1357 46Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD (Component side view)78R52C44C544C546C548C550C551C555R521R523 R524R529R532R533R534R537R538C79R98C538C539R89C109C1 10C129C130C149C150C189C190C197C41C545R81C198R92C42C57C58C95C99R42R90R97R107

37、R108R127R167R168R503R504R505R506R513R514R515R528R530R536R542R543R544R545C1C2CP51CP52CP53CP54CP55CP56CP57CP58CP59CP60CP61CP62CP63CP64CP65CP66CP71CP72CP73CP74CP75L1L248R2R4R1 1R12L3R23R24R25 R26L4L5R30R31R32R41R43R44R45R46R47R48R49R51R65R91R93R94R95R96R109R1 10R1 1 1R1 12R152R169R170R171R172R501R502R5

38、07R508R509R511R512R516R517R525R526R527R541 R546R547 R548R549R550R553R554X6X51R560R561R562R563R564R565R567R566C268C267R82R83C557C558C564C561C562R5024.576MHz18.75MHzC49C85C94R88C91C7C6C5C100R85R84R86C97C46C82C43C88C47C48C101C102C121C122C141C142C161C162C265C262C191 C192C193C194C195C196R87C266C261371324

39、25 3612141111 33IG OIG O87111314011112121220181851123332212344451 4110IGO148 51 48 51 48 51 48 51 48 51530 16222344816910112020 1111010111 2010111 2015 45413135448 5147136108737237144 10911482448252112050R1C65C529EBEBD16D6CN53D7D9D5D11D12OUTVIDEO3CD/DVDCOAXIAL INOPTICAL INOPTICALD10Q2D2D3D4D8Q1D17D1

40、5D14D13A3A2A1D1J1CN4CN2S1CN1CN3CN5IC2IC50IC6IC1IC51IC52IC53IC54IC55IC56IC57IC58IC49IC60IC61IC10IC12IC14IC16IC18IC20IC62IC59IC19IC63IC21IC22IC23X08-3310-10 (J70-1715-12) (SIDE A)C45C530R518C64R64C13C14C84C93C90C501C508C519C521C526C528C533C536C541C542C547C549C552C553C554R539R540R5R3R6C96C502C503C504C5

41、05C506C507C509C510C51 1C512C513C514C515C516C517C518C520C522C523C524C525C527C531C532C534C535C537C540C543C169C170C1 1C81C3C4C12C15C16C61C62C66C80C83C89C92C103C104C123C124C143C144C163C164C571C572R7R8R21R27R101R102R121R122R128R141R142R147R148R161R162R510R551R201R202R203R204R205R206R207R208R211R212R215R2

42、16R219R220C8C9C63C98C105C106C125C126C145C146C165C166C181C182C573R55R56R61R62R63R103R104R105R106R123R124R125R126R129R130R131R132R143R144R145R146R149R150R151R163R164R165R166R181R182R185R186R187R188R189R190R209R210R213R214R217R218R552R571R572R573C50C51R261R262R264R265C263C264R266R263C556C559C560C563C56

43、7C568C565R33C566C569C570C574OGI51BED42D41D51Q51IC24IC26X08-3310-10 (J70-1715-12) (SIDE B)KLNPRTMOQS2 1357 46Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD (Component side view)109IDLE RIDLE CIDLESRIDLEIDLE SLW350W351IDLE LSBLW49W14W12W15W11W13W10W317C364C39BLKBLKW5

44、6W75C319W293W53R461C320R450W732R313C31 1C312R312C310C1C2C5C6C7C8C17C18C19C20C21C22C23C24C25C26C27C28C29C30C31C32C33C34C35C36C37C38C41 C42C43C46C47C55C56C66C67C72C73C74C75W734C1 16C122C124C165C1 15C171C121C173C123C304C351C352C353C354C361 C362C363C369C365C367R3R4R13R14R19R20R23R24R27R28R31R32R35R36R39

45、R40R43R44R49R50R53R54R57R58R59R60R63R64R67R68R1 14W733R1 18R163R1 13R167R1 17R413 R414R466R472C92C93C94C95C141 C142C143C144C191C192C193C195C196C308C309C315C316C317C318W222C3C4C9C10C11C12C13C14C15C16W752C40C44C45C51C52C53C54C57C58C62C63C64C65C68C69C70C71C76C77C78C79W235C82C83C84C85C86C87C88C89C90C91C

46、112W736C1 14W737C1 18W735C120C126C128C722C134C610C136C138C139 C140C161C163C1 13C167C1 17C169C1 19C175C125C177C127C181C183C133C185C135C187C137C189C190C111C307C355C356C357C358C359C360C366C368W1R626R627C609W743R1R2R5R6R7R8R9R10R11R12R15R16R17R18R21R22R25R26R29R30R33R34R37R38R41R42R45R46R47R48R51R52R55R

47、56R65R66R69R70R71R72R73R74R75R76R77R78R79R80R81R82R83R84R85R86R87R88R89R90R91R92R93R94R95R96R97R98R99R100R 111R1 12W742R1 16W741R120R122R124R126R128R130R132R134R136R138W2R140R731R142R733R144R735R146R147R148R149R150R161R162R165R1 15R169R1 19R171R121R173R123R175R125R177R127R179R129R181R131R183R133R185

48、R135R187R137R189R139R191R141R193R143R195R145R197R198R199R200R221R222R302R303R305R306R307R308R309R321R322R325R326R327R328R329R330R351R352R353R356R357R358R359R360R361R362R363R364R365R366R367R381R382R383R384R385R386R387R388R389R390R391R392R401R402R403R404R405R406R407R408R409R410R41 1R412R431R432R434R435R433R451R452R453R455R456R457R458R459R460R463R464R465R467R468R469R473R474R475W294W266 W265W225W189W66W4W52W76W6W64W61W58W68W88W60W83W155W78W62W98W201W