Kenwood-KRFV7090D-avr-sm 维修电路原理图.pdf

.AUDIO VIDEO SURROUND RECEIVERKRF-V7090D/V7090D-S/VR-9050VR-9050-S/9060/9060-S/9070/9070-SSERVICE MANUAL 2005-3 PRINTED IN KOREAB51-5950-00 (K/K) 1010THXDOLBY VIRTUALSTEREOINPUT MODEBASS BOOSTDSPACTIVE EQDIMMERMULTI CONTROLLISTEN MODEINPUTSELECTORVOLUME CONTROLAV AUX/GAMESOUNDTONESETUPBANDAUTO/MONOMEMORYA SPEAKERS BPHONESTHX96kHz fsACTIVE EQDOLBY DIGITALDTSDSPS VIDEOVIDEOL-AUDIO-RPhone jack(E11-0993-05)IRRECEIVERINIRREPEATEROUTROOM BFRONTSURROUNDSURROUNDBACKSUBWOOFERCENTERPRE OUTRLININREC OUTPLAY INCD/DVDMD/TAPEPHONORLRLVIDEO 1VIDEO 2VIDEO 3PLAY INPLAY INPLAY INREC OUTS VIDEOOUTVIDEOS VIDEOINVIDEOS VIDEOINVIDEOS VIDEOINVIDEOS VIDEOINVIDEOS VIDEOOUTVIDEOMONITORDVDCOAXIALOPTICALOPTICALVIDEO 3OPTICALMONITORCD/DVDDIGITAL INDIGITAL OUTVIDEO2DVD/6CHDVDINVIDEO3INMONITOR OUTVIDEO 2 INCRCBYCRCBYCRCBYCOMPONENT VIDEODVD/6CH INPUTFRONTSURROUNDSUB WOOFERVIDEOOUTROOM B+-FRONT BRLGRAYSURROUNDRL-+-+-+-+BLUETANRLBROWNGREENWHITEREDRLCENTERFRONT A-+SURROUNDBACKFM75GNDAMANTENNAFront glass(B10-5563-02)* Refer to parts list on page 32. AC power cord(E30-7329-05)Pin jack(E63-1385-05)Oscillating module(W02-4540-05)Screw terminal board(E70-1011-05)Pin Jack(E63-1386-05)x2Illust. is VR-9070.Foot(J02-1467-03)x4Knob *(K29-)Panel *(A60-)Knob *(K29-)Knob *(K29-)Pin jack(E63-1388-05)Knob *(K29-)Knob *(K29-)Lock terminal board(E70-1010-05)AC outlet(E03-0515-05)Power cord bushing(J42-0083-05)Knob *(K29-)Cylindrical receptacle(E56-0060-05)Pin jack(E63-1380-05)x2Pin jack(E63-1384-05)x2Metallic cabinet *(A01-)Pin jack(E63-1383-05)Pin jack(E63-1364-05)Phone jack(E11-0995-05)Pin jack(E63-1382-05)Pin jack(E63-1379-05)Screw terminal board(E70-1009-05)Pin jack(E63-1380-05)x2Phone jack(E11-0991-05)Cylindrical receptacle(E56-0059-05)x3Tuner assy(W02-2974-15)Pin jack(E63-1387-05)Optical receiving module(W02-4524-05) x2Dressing plate *(B03-)Door *(A52-)RadioFans.CN 收音机爱 好者资料库AM loop antenna (1)(T90-0893-05)Remote control unit (1)Batteries (R03/AAA) (2)See the following table.FM indoor antenna (1)U.S.A. and Canada(T90-0905-05)Other countries(T90-0855-05)Memory 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 modeInput selector settingsSpeaker ON/OFFVolume levelBASS, TREBLE, INPUT levelTONE ON/OFFLOUDNESS ON/OFFDimmer levelListen mode settingSpeaker settingsDistance settingInput mode settingSound mode settingsBroadcast bandFrequency settingPreset stationsTuning modeACTIVE EQ modeGAME mode settingResetting the MicrocomputerThe microcomputer may malfunction (unit cannot be operated, orshows an erroneous display) if the power cord is unplugged whilethe power is ON, or due to some other external factor. If thishappens, execute the following procedure to reset themicrocomputer and return the unit to its normal operatingcondition.Unplug the power cord from the wall outlet, then plug itback in while holding down the (POWER ON/STANDBY)key. Please note that resetting the microcomputer will clear the contentsof the memory and returns the unit to the state it was in when it leftthe factory.KRF-V7090D/VR-9050/9060/90702ACCESSORIES / CAUTIONS / ADJUSTMENTACCESSORIES CAUTIONSADJUSTMENTMODELPARTS #CONTROLLER #VR-9050/-SK,PA70-1673-05RC-R0731VR-9060/-SK,PA70-1671-05RC-R0829VR-9070/-SK,PA70-1675-05RC-R0918KRF-V7090D-SXA70-1674-05RC-R0731EKRF-V7090D/D-SEA70-1674-05RC-R0731EMODEL SURROUNDAUDIOSUBDISPLAYVR-9050/-SK,P X08-3390-10X09-6960-10X13-7960-10X14-7900-10VR-9060/-SK,PX08-3390-11X09-6960-10X13-7960-11X14-7900-11VR-9070/-SK,P X08-3390-12X09-6960-10X13-7960-12X14-7900-12KRF-V7090D-SXX08-3390-10X09-6960-71X13-7962-71X14-7900-71KRF-V7090D/D-SEX08-3392-71X09-6962-71X13-7962-71X14-7902-71PCB vs MODELREMOTE CONTROL vs MODELAUDIO 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)X13(F/6)Adjust everypotentiometer10 minutes laterafter turnedthe power on.OUTPUTSETTINGSRECEIVERSETTINGSITEMNo.INPUTSETTINGSALIGNMENTSETTINGSALIGNMENTPOINTSFIG.* Idling Current AdjustmentAll power amplifier stage need idling current adjustment after the installation of TRAIT transistor.1. Connect a voltmeter to CNs with the correct polarity as indicated by the PCB silk print.2. Adjust the preset, VRs to get 8.8mV (Idling current = 20mA) at the voltmeter reading.3. Repeat step few times for all channels.RadioFans.CN 收音机爱 好者资料库2ACEGIBDFHJ135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD34R52C44C544C546C548C550C551C555R574R521R523R524R529R532R533R534R537R538C79R98C538C539R89C109C110C129C130C149C150C189C190C197C41C545R81C198R92C42C57C58C95C99R42R90R97R107R108R127R167R168R503R504R505R506R513R514R515R528R530R905R542R543R544R545C1C2CP51CP52CP53CP54CP55CP56CP57CP58CP59CP60CP61CP62CP63CP64CP65CP66CP71CP72CP73CP74CP75L1L248R2R4R11R12L3R23R24R25R26L4L5R30R31R32R41R43R44R602C602R45R46R47R48R49R51R65R91R93R94R95R96R109R110R111R112R152R169R170R171R172R501R502R507R508R509R511R512R516R517R907C575R526C576R525R527R541R546R547R548R549R550R553R554X6X51R560R561R562R563R564R565R567R566C268C267R82R83C557C558C564C561C562R5024.576MHz18.75MHzC49C85C94R88C91C7C6C5C100R85R84R86C97C46C82C43C88C47C48C101C102C121C122C141C142C161C162C265C262C191C192C193C194C195C196R87C266R604R908C604C26137132425361214111133IGOIGO8711131401131451121212201818511233322123444514110IGO1485148514851485148515301622234481691011202011110101112010111201545413135448514713610873723714410911482448252112050R1C65C529EBEBD16D6CN53D7D9D5D11D12OUTVIDEO3CD/DVDCOAXIAL INOPTICAL INOPTICALD10Q2D2D3D4D8Q1D17D15D14D13A3A2A1D1J1CN4CN2S1CN1CN3CN5IC2IC50IC6IC1IC51IC52IC53IC54IC55IC56IC57IC58IC49IC60IC64IC61IC10IC12IC14IC16IC18IC20IC62IC59IC19IC63IC21IC22IC23X08-3390-10 (J75-0058-12) (SIDE A)C45C530R518C64R64C580R902C603R603C13C14C84C93C90C501C508C519C521C526C528C533C536C541C542C547C549R536C552C553C554R539R540R5R3R6R601C601C96C502C503C504C578C505C506C507C509C510C511C512C513C514C515C516C517C518C520C522C523C524C525C527C531C532C534C535C537C540C543C169C170C11C81C3C4C12C15C579C16C61C62C66C80C83C89C92C103C104C123C124C143C144C163C164C571C572R7R8R21R27R101R102R121R122R128R141R142R147R148R161R162R510R551R201R202R203R204R205R206R207R208R211R212R215R216R219R220C8C9C63C98C105C106C125C126C145C146C165C166C181C182C573R55R56R61R62R63R103R104R105R106R123R124R125R126R129R130R131R132R143R144R145R146R149R150R151R163R164R165R166R181R182R185R186R187R188R189R190R209R210R213R214R217R218R552R571R572R573C50C51R261R262R264R265C263C264R266R263C556R581C577R901C559R903R904R909C560C563C567C568C565R33C566C569C570C574O G I51B ED42D41D51Q51IC24IC26X08-3390-10 (J75-0058-12) (SIDE B)KLNPRTMOQS2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD65IDLE RIDLE CIDLESRIDLEIDLE SLW350W351IDLE LSBLW49W14W12W15W11W13W10W317C364C39BLKW75C319W293W53R461C320R450W732R313C311C312R312C310C1C2C5C6C7C8C17C18C19C20C21C22C23C24C25C26C27C28C29C30C31C32C33C34C35C36C37C38C41C42C47C48C55C56C66C67C72C73C74C75W734C116C122C124C165C115C171C121C173C123C304C351C352C353C354C361C362C363C369C365C367R3R4R13R14R19R20R23R24R27R28R31R32R35R36R39R40R43R44R49R50R53R54R57R58R59R60R63R64R67R68R114W733R118R163R113R167R117R413R414R466R472C92C93C94C95C141C142C191C192C193C195C196C308C309C315C316C317C318W222C3C4C9C10C11C12C13C14C15C16W752C40C44C45C51C52C53C54C57C58C800C801C62C63C64C65C68C69C70C71C76C77C78C79W235C82C83C84C85C86C87C88C89C90C91C112W736C114W737C118W735C120C126C128C722C134C136C138C139C140C161C163C113C167C117C169C119C175C125C177C127C181C183C133C185C135C187C137C189C190C111C307C355C356C357C358C359C360C366C368W1C802R802W743R1R2R5R6R7R8R9R10R11R12R15R16R17R18R21R22R25R26R29R30R33R34R37R38R41R42R45R46R47R48R51R52R55R56R65R66R69R70R71R72R73R74R75R76R77R78R79R80R81R82R83R84R85R86R87R88R89R90R91R92R93R94R95R96R97R98R99R100R111R112W742R116W741R120R122R124R126R128R130R132R134R136R138R140R731R142R733R144R735R146R147R148R149R150R161R162R165R115R169R119R171R121R173R123R175R125R177R127R179R129R181R131R183R133R185R135R187R137R189R139R191R141R193R143R195R145R197R198R199R200R61R62R221R222R302R303R305R306R307R308R309R321R322R325R326R327R328R329R330R351R352R353R356R357R358R359R360R361R362R363R364R365R366R367R381R382R383R384R385R386R387R388R389R390R391R392R401R402R403R404R405R406R407R408R409R410R411R412R431R432R434R435R433R451R452R455R456R457R458R459R460R463R464R465R467R468R469R473R474R475W294W169W266W265W225W189W4W52W6W61W58W68W88W60W83W155W78W62W98W201W229W267W298W256W140W299W137W77W72W281W254W270W218R153C46W257W232W192W207W20611 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BPHONESE501J501CN51P501C501C502W75531C/4X09WH21-2CN21CN22W288W275W274W285W2691214151911X09 B/42UWYAAACVXZABAD135746FRchSLchCchSBchSRchSBchFLchSWchSBR cH AMPSL cH AMPC316W332W328W315W316W359W326W363W362W305C718C719W324W333R434R452R425C455C437C438C312C313C311C734C407C408C409C411C412C453C454C419C420R401R402C301C302C303C304C305C306C307C308C309C310R445R446W371R458R441R442R405R406R453R454C447R448R438R436R463R440R437R435R439R464R736R457C706C707C712C736C737C713C426C425C714C715R702R701R708R707R750R417R455R418R456R721R722C732C730R301R302R303R305R306R307R308R309R310R311R312R313R314R315R316R317R318R319R320R321R322R323R324R325R326R327R328R329R330R331R332R333R334R335R336R337R338R339R340R341R342R343R344R345R346R347R348R349R350R351R352R353R354R355R356R357R358R359R360C710C711C430C458C429C717C716C725C724C442C441C451C434C440C433C435C436C431C463C444C439C445C452C446C443C449C402C404C450C405C464C432C403C406C401C702C703W344W340W347W341C448C723C722C704C705C735C709C708W358C721C720C728C457L702R738R710R709R465R433R704R703R732R459R718R711R712R717R449R744R461R423R420R462R424R419R362R706R705R734R447R715R716R742R720R719R740W370W327R413R414R754R407R408R412R411R460R714R713R450R451R760R729R723R724R730R746R728R727R756R758R726R725R752R748K702W356W357W352W353W351W349W350W355W354W360W369W368C317C733C315W366W361W364W367W365W312W342W307W309W303W304W301W310W308W306W314W318R409R403R443R415R421C427C428R416C410R404R444R410C460R432R426R428R430R429R431R80R427C459C461E BE BE BR467R466R422W319W321W322W311W329W334W302W313W317W330W345W339W346W343W337W338W335W320W331W348W336VR702EBEBEBBEBEBEEBEBEBEBEBEBEBBEBEBEBEBEBEBEBEBEBEEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBBEBEEBBEBE14202211141918412112BBBBEEEE131214131458145814581458Q720Q718J502CN703D401Q402Q401Q410Q409Q403Q404Q405Q406Q407Q408Q411Q412Q702Q701D402J302J303/305Q301Q302Q303Q304Q305Q306Q307Q308Q309Q310Q311Q312Q313Q314Q315Q316Q317Q318Q319Q320Q716D701D708D704D703D702D710D706Q710Q709Q704Q705Q703Q706Q714Q712Q711Q708Q707CN301CN303CN708CN709WH704WH701CN704CN304CN302WH303CN707CN702CN706IC401IC402SURROUNDROOM BFRONTSURROUNDSURROUNDBACKCENTERSUB WOOFERLSURROUNDRSURROUND BACKLSURROUND BACKRIC403IC404X13 E/6X13 D/6X13 F/6Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD78AEAFAHAJALANAGAIAKAM2135746R2R1R3R6R4C160C169C545C617C621C699R529R539R549R556C544R530R540R550R554R621 R622R623R667R699C536C538C626C627R532R534R536R542R545R546R552R600R611R612R613R695R5R7R10R9R70R564C682R79C694R78R73R72R71R563R561R562C683R74R76R75WHTWHTBLKREDBLKREDW53W56W55W54W52W51W12W13W15W38W18W49W50W46W44W48W45W43W36W37W30W42W32W35W31C205W28C207R205W23R162R161R163R164C201C202R208R217C137C138C139C140W20C616C618C620C674R668R617R671R672C216C214C601C602C603C604C605C606C607R601R602R603R604R605R606R607C153C154R165R166R171R172R173R174C203C206C208C209C210C211C212C213C215R203R206R209R212R215C101C102C103C104C105C106C107C108C109C128C129C130C141R101R102R103R104R105R106R107R108R109R113R114R115R119C540C651C652C653C654C655C656C657C658C659C660C661C662C675C676C677C693L502L503L504R619R620R651R652R653R654R655R656R657R658R659R660R661R662R675R676R677R678R679R680R681R682R683R684R685R686R687R688R689R690R691R692R693C110C111C112C113C114C115C117C116C118C119C120C121C122C123C124C126C125C127C131C132C133C134C135C136C155C156C157C158C600C608C609C610C611C612C613C614C615C619C622C625C663C664C665C666C667C668C669C670C671R77C672C673W57L201L202R110R111R112W101W102W100R116R117R118R167R168W16W67R169R170R202R204R207R210R211R213R214R216W17W66R608R609R610R616R618R663R664R665R666R669R670R673R674W19W29W22W21W33W24W40W27W34W25W41R120C142R121W11C152C151R176R175W47W39R624W58W59W61C681W65W63BEBE1211324323348496411617916188514136413641458R81281EBBE1116EBEB178141485110IGO1514EBEBBEBE71EB81BEQ512D503Q501Q502WH61-1WH61-2WH63WH64WH65WH65WH64WH63D155D156Q158Q159Q204Q65D205J202P201J61VIDEO OUTVIDEO1VIDEO INVIDEO1VIDEO INVIDEO2VIDEO INVIDEO3VIDEO INDVDMONITOROUTMONITORROOM BOUTJ62J63D204J201Q201J101CrCbDVD IN/VIDEO3 INYJ102J103D655D656J65IR REPEATERIR RECEIVEROUTININOUTINVIDEO2INVIDEO3INDVDMONITOROUTVIDEO1S VIDEOJ66J67Q101D157D201D202D203D206D652Q66Q202Q203D101CN11CN151WH62CN67CN68CN65