Kenwood-KRF-9070-S-Service-Manual电路原理图.pdf

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1、.AUDIO VIDEO SURROUND RECEIVERKRF-V7090D/V7090D-S/VR-9050VR-9050-S/9060/9060-S/9070/9070-SSERVICE MANUAL2005-3 PRINTED IN KOREAB51-5950-00 (K/K) 1010THXDOLBY VIRTUALSTEREOINPUT MODEBASS BOOSTDSPACTIVE EQDIMMERMULTI CONTROLLISTEN MODEINPUTSELECTOR VOLUME CONTROLAV AUX/GAMESOUNDTONESETUPBANDAUTO/MONOM

2、EMORYA SPEAKERS BPHONESTHX96kHz fsACTIVE EQDOLBY DIGITALDTSDSPS VIDEOVIDEOL-AUDIO-RPhone jack(E11-0993-05)IRRECEIVERINIRREPEATEROUTROOM BFRONTSURROUNDSURROUNDBACKSUBWOOFER CENTERPRE OUTR LININREC OUTPLAY INCD/DVDMD/TAPEPHONOR LR LVIDEO 1VIDEO 2VIDEO 3PLAY INPLAY INPLAY INREC OUT S VIDEOOUTVIDEOS VID

3、EOINVIDEOS VIDEOINVIDEOS VIDEOINVIDEOS VIDEOINVIDEOS VIDEOOUTVIDEOMONITORDVDCOAXIALOPTICALOPTICALVIDEO 3OPTICALMONITORCD/DVDDIGITAL INDIGITAL OUTVIDEO2DVD/6CHDVDINVIDEO3INMONITOR OUTVIDEO 2 INCRCBYCRCBYCRCBYCOMPONENT VIDEODVD/6CH INPUTFRONTSURROUNDSUB WOOFER VIDEOOUTROOM B+- FRONT BRLGRAYSURROUNDRL-

4、+-+-+-+BLUETANRLBROWNGREENWHITEREDRLCENTERFRONT A- +SURROUNDBACKFM 75GND AMANTENNAFront 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

5、-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

6、*(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(W

7、02-4524-05) x2Dressing plate *(B03-)Door *(A52-)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 del

8、eted 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 m

9、ode 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

10、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

11、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,PA70-1675-05

12、RC-R0918KRF-V7090D-SXA70-1674-05RC-R0731EKRF-V7090D/D-SEA70-1674-05RC-R0731EMODELSURROUNDAUDIOSUBDISPLAYVR-9050/-SK,PX08-3390-10X09-6960-10X13-7960-10X14-7900-10VR-9060/-SK,PX08-3390-11X09-6960-10X13-7960-11X14-7900-11VR-9070/-SK,PX08-3390-12X09-6960-10X13-7960-12X14-7900-12KRF-V7090D-SXX08-3390-10X

13、09-6960-71X13-7962-71X14-7900-71KRF-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(

14、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 adjust

15、ment 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.2ACEGIBDFHJ1357 46Refer to the

16、schematic diagram for the value of resistors and capacitors. PC BOARD34R52C44C544C546C548C550C551C555R574R521R523 R524R529R532R533R534R537R538C79R98C538C539R89C109C1 10C129C130C149C150C189C190C197C41C545R81C198R92C42C57C58C95C99R42R90R97R107R108R127R167R168R503R504R505R506R513R514R515R528R530R905R54

17、2R543R544R545C1C2CP51CP52CP53CP54CP55CP56CP57CP58CP59CP60CP61CP62CP63CP64CP65CP66CP71CP72CP73CP74CP75L1L248R2R4R1 1R12L3R23R24R25 R26L4L5R30R31R32R41R43R44R602C602R45R46R47R48R49R51R65R91R93R94R95R96R109R1 10R 111R1 12R152R169R170R171R172R501R502R507R508R509R511R512R516R517R907C575R526C576R525R527R5

18、41 R546R547 R548R549R550R553R554X6X51R560R561R562R563R564R565R567R566C268C267R82R83C557C558C564C561C562R5024.576MHz18.75MHzC49C85C94R88C91C7C6C5C100R85R84R86C97C46C82C43C88C47C48C101C102C121C122C141C142C161C162C265C262C191 C192C193C194C195C196R87C266R604R908C604C26137132425 3612141111 33IG OIG O8711

19、13140113145112121220181851123332212344451 4110IGO148 51 48 51 48 51 48 51 48 51530 16222344816910112020 1111010111 2010111 2015 45413135448 5147136108737237144 10911482448252112050R1C65C529EBEBD16D6CN53D7D9D5D11D12OUTVIDEO3CD/DVDCOAXIAL INOPTICAL INOPTICALD10Q2D2D3D4D8Q1D17D15D14D13A3A2A1D1J1CN4CN2S

20、1CN1CN3CN5IC2IC50IC6IC1IC51IC52IC53IC54IC55IC56IC57IC58IC49IC60IC64IC61IC10IC12IC14IC16IC18IC20IC62IC59IC19IC63IC21IC22IC23X08-3390-10 (J75-0058-12) (SIDE A)C45C530R518C64R64C580R902C603 R603C13C14C84C93C90C501C508C519C521C526C528C533C536C541C542C547C549R536C552C553C554R539R540R5R3R6R601C601C96C502C

21、503C504C578C505C506C507C509C510C51 1C512C513C514C515C516C517C518C520C522C523C524C525C527C531C532C534C535C537C540C543C169C170C1 1C81C3C4C12C15C579C16C61C62C66C80C83C89C92C103C104C123C124C143C144C163C164C571C572R7R8R21R27R101R102R121R122R128R141R142R147R148R161R162R510R551R201R202R203R204R205R206R207R

22、208R211R212R215R216R219R220C8C9C63C98C105C106C125C126C145C146C165C166C181C182C573R55R56R61R62R63R103R104R105R106R123R124R125R126R129R130R131R132R143R144R145R146R149R150R151R163R164R165R166R181R182R185R186R187R188R189R190R209R210R213R214R217R218R552R571R572R573C50C51R261R262R264R265C263C264R266R263C5

23、56R581C577 R901C559R903R904R909C560C563C567C568C565R33C566C569C570C574OGI51BED42D41D51Q51IC24IC26X08-3390-10 (J75-0058-12) (SIDE B)KLNPRTMOQS2 1357 46Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD65IDLE RIDLE CIDLESRIDLEIDLE SLW350W351IDLE LSBLW49W14W12W15W11W13W10

24、W317C364C39BLKW75C319W293W53R461C320R450W732R313C31 1C312R312C310C1C2C5C6C7C8C17C18C19C20C21C22C23C24C25C26C27C28C29C30C31C32C33C34C35C36C37C38C41 C42C47C48C55C56C66C67C72C73C74C75W734C1 16C122C124C165C1 15C171C121C173C123C304C351C352C353C354C361 C362C363C369C365C367R3R4R13R14R19R20R23R24R27R28R31R3

25、2R35R36R39R40R43R44R49R50R53R54R57R58R59R60R63R64R67R68R1 14W733R1 18R163R1 13R167R1 17R413 R414R466R472C92C93C94C95C141 C142C191C192C193C195C196C308C309C315C316C317C318W222C3C4C9C10C11C12C13C14C15C16W752C40C44C45C51C52C53C54C57C58C800C801C62C63C64C65C68C69C70C71C76C77C78C79W235C82C83C84C85C86C87C88

26、C89C90C91C112W736C1 14W737C1 18W735C120C126C128C722C134C136C138C139 C140C161C163C1 13C167C1 17C169C1 19C175C125C177C127C181C183C133C185C135C187C137C189C190C111C307C355C356C357C358C359C360C366C368W1C802R802W743R1R2R5R6R7R8R9R10R11R12R15R16R17R18R21R22R25R26R29R30R33R34R37R38R41R42R45R46R47R48R51R52R5

27、5R56R65R66R69R70R71R72R73R74R75R76R77R78R79R80R81R82R83R84R85R86R87R88R89R90R91R92R93R94R95R96R97R98R99R100R 111R1 12W742R1 16W741R120R122R124R126R128R130R132R134R136R138R140R731R142R733R144R735R146R147R148R149R150R161R162R165R1 15R169R1 19R171R121R173R123R175R125R177R127R179R129R181R131R183R133R185

28、R135R187R137R189R139R191R141R193R143R195R145R197R198R199R200R61R62R221R222R302R303R305R306R307R308R309R321R322R325R326R327R328R329R330R351R352R353R356R357R358R359R360R361R362R363R364R365R366R367R381R382R383R384R385R386R387R388R389R390R391R392R401R402R403R404R405R406R407R408R409R410R41 1R412R431R432R

29、434R435R433R451R452R455R456R457R458R459R460R463R464R465R467R468R469R473 R474R475W294W169W266 W265W225W189W4W52W6W61W58W68W88W60W83W155W78W62W98W201W229W267W298W256W140W299W137W77W72W281W254W270W218R153C46W257W232W192W207W2061123W272W216W230W231W271W226W278W241656441402524801W261W263W247W245W277W282W

30、286W250W258W214W157W217W236W211W175W1 15W2W202W54W51R462W292W324W325W326W237W240W7W198W228W268W5W221W321W194W190W744W243W246W239W260W209W121W205W210W182 W185W70W159W93W184W124W161W160W129W227W219W297C49R154W3W122W170W296C503W280W283W262W264W238W242W249W224W 111W1 18W279W125W120W1 17W183W1 10W69W97W8

31、7W74W80W84W151W131W150W134W145W154W180W109W106W1 16W199W123W203W187W196W191W114W152W104W105W1 13W91W63BER626R627W96W107W1 19W130W103W76W136W147W163W179W158W168W82W90W95W193W186W165W171W178W174W144W92W89W94W81W100W101W108W85W1 12W99W102W177W132W135W139W143W148W149W128W204W133W200W141W234W126W127W138W

32、176W162W181W146W167W164W153C600R600W195W212W166W233W220W244R609R610R608R607W329R603R601R605W291W284W290W327W289W328R602R604R606W21W20W213W208W252W276W65C321W223 W215C323W86W50W59C322W302W322W307W306W301W172W287W156W188C611R339R338R340W79R341R336C370R335R337R334W316W255W197W248R476R470W318C325W303W30

33、5W300W273C324W31 1W312W310W314W308W323W251C303R319W319W747W320C609C610W749W748W750W811W810W809W804W802W808W807W806W805W803R109R110R108R107R106R800R801R105W751BLKBLKBLUBLUR31 1R454R310R314C305C301C302C306C450K2K3K4K5L1L2L3L4L5L6R101R102R103R104R151 R152R201R202R304VR1VR2VR3VR4VR5VR6C451W25 W26W24R318

34、R317R333R331R332R343R342C452C453EBEBEBBEEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBBE13145 11431211 22112121212EEEEBBBBEEEEBBBBEEEEBBBBEEEEBBBBEEEEBBBBEEEEBBBB12191815110115118916222022021112121145134116118BEEBW8W309EBEBEBEBEBBEQ54Q52Q34Q32Q12

35、Q14Q53Q51Q13Q11Q33Q31J12J22WH8CN8WH10-1D64D21D22D20D603D17D63D65D67J11J21J3Q302Q331Q332Q334Q335Q333Q360Q361Q363Q364D19D25Q305Q308Q309WH800-1Q310Q312Q603D604Q604D602Q602D1D2D4D5D3D14D609D608Q610D15D16D18D23D24D28D29D32D33D34D35D51D52D53D54D55D56D57D58D59D60D61D62D66Q1Q2Q3Q4Q5Q6Q7Q8Q9Q10Q22Q24Q26Q28Q3

36、0Q41Q21Q43Q23Q45Q25Q47Q27Q49Q29Q303Q304Q306Q307Q353Q354Q355Q356Q357Q358Q359Q362Q365Q607Q605Q606D68Q311D27D69Q313D26D8D7D800WH10-2D801Q611Q612D6WH21-1WH2WH9WH9WH4LCN4WH7-1CN5WH5-2CN3WH800-2WH7-2WH5-1CN1J5J6WH1CN6CN10CN11CN12CN13CN14CN15D12WH6WH2CN7CN58CN59WH221CN800CN9CN2IC2IC800IC1(J75-0059-01) X09-

37、6960-10 A/4RCLRFRONTSURROUNDCENTERVIDEO3VIDEO2PHONOCD/DVDPLAYRECMD/TAPEMD/TAPEPLAYRECVIDEO1VIDEO1SUB WOOFERDVD/6chSPEAKERS FRONT ASPEAKERS FRONT BPHONESE501J501CN51P501C501C502W75531C/4 X09WH21-2CN21CN22W288W275W274W285W2691214151911X09 B/42UWYAACVXZABAD135746FRchSLchCchSBchSRchSBchFLchSWchSBR cH AM

38、PSLcH AMPC316W332W328W315W316W359W326W363 W362W305C718C719W324W333R434R452R425C455C437C438C312C313C311C734C407C408C409C411C412C453C454C419C420R401R402C301C302C303C304C305C306C307C308C309C310R445R446W371R458R441R442R405R406R453R454C447R448R438R436R463R440R437R435R439R464R736R457C706C707C712C736C737C7

39、13C426C425C714C715R702R701R708R707R750R417R455R418R456R721R722C732C730R301R302R303R305R306R307R308R309R310R311R312R313R314R315R316R317R318R319R320R321R322R323R324R325R326R327R328R329R330R331R332R333R334R335R336R337R338R339R340R341R342R343R344R345R346R347R348R349R350R351R352R353R354R355R356R357R358R3

40、59R360C710C711C430C458C429C717C716C725C724C442C441C451C434C440C433C435C436C431C463C444C439C445C452C446C443C449C402C404C450C405C464C432C403C406C401C702C703W344W340W347W341C448C723C722C704C705C735C709C708W358C721C720C728C457L702R738R710R709R465R433R704R703R732R459R718R711R712R717R449R744R461R423R420R4

41、62R424R419R362R706R705R734R447R715R716R742R720R719R740W370W327R413R414R754R407R408R412R411R460R714R713R450R451R760R729R723R724R730R746R728R727R756R758R726R725R752R748K702W356W357W352W353W351W349W350W355W354W360W369W368C317C733C315W366W361W364W367W365W312W342W307W309W303W304W301W310W308W306W314W318R4

42、09R403R443R415R421 C427C428R416C410R404R444R410C460R432R426R428R430R429R431R80R427C459C461EBEBEBR467R466R422W319W321W322W311W329W334W302W313W317W330W345W339W346W343W337W338W335W320W331W348W336VR702EBEBEBBEBE BEEBEBEBEBEBEBEBBEBEBEBEBEBEBEBEBEBEEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBBEBEEBBEBE1420 221 1141918

43、412112BB BBEE EE131214131 45814581 4581 458Q720Q718J502CN703D401Q402Q401Q410Q409Q403Q404Q405Q406Q407Q408Q411Q412Q702Q701D402J302J303/305Q301Q302Q303Q304Q305Q306Q307Q308Q309Q310Q311Q312Q313Q314Q315Q316Q317Q318Q319Q320Q716D701D708D704D703D702D710D706Q710Q709Q704Q705Q703Q706Q714Q712Q711Q708Q707CN301CN3

44、03CN708CN709WH704WH701CN704CN304CN302WH303CN707CN702CN706IC401IC402SURROUNDROOM BFRONTSURROUNDSURROUNDBACKCENTERSUB WOOFERLSURROUNDRSURROUND BACKLSURROUND BACKRIC403IC404X13 E/6 X13 D/6X13 F/6Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD7 8AEAFAHAJALANAGAIAKAM2 13

45、57 46R2R1R3R6R4C160C169C545C617C621C699R529 R539R549R556C544R530R540R550R554R621R622R623R667R699C536 C538C626C627R532 R534R536R542R545R546R552R600R611R612R613R695R5R7R10R9R70R564C682R79C694R78R73R72R71R563R561R562C683R74R76R75WHTWHTBLKREDBLKREDW53W56W55W54 W52 W51W12W13W15W38W18W49W50W46 W44W48W45W4

46、3W36W37W30W42W32W35W31C205W28C207R205W23R162 R161R163R164C201C202R208R217C137C138C139C140W20C616C618C620C674R668R617 R671R672C216C214C601C602C603C604C605C606C607R601R602R603R604R605R606R607C153C154R165R166R171R172R173R174C203C206C208C209C210C211C212 C213 C215 R203R206R209R212R215C101C102C103C104C105

47、C106C107C108C109C128C129C130C141R101R102R103R104R105R106R107R108R109R113R114R115R119C540C651C652C653C654C655C656C657C658C659C660C661C662C675C676C677C693L502L503L504R619 R620R651R652R653R654R655R656R657R658R659R660R661R662R675R676R677R678R679R680R681R682R683R684R685R686R687R688R689R690R691R692R693C11

48、0C111C112C113C114C115C117C116C118C119 C120C121C122C123C124C126C125C127C131C132C133C134C135C136C155C156C157C158C600C608C609C610C611C612C613C614C615C619C622C625C663C664C665C666C667C668C669C670C671R77C672C673W57L201L202R110R111R112W101W102W100R116R117R118R167R168W16W67R169R170R202R204R207R210R211R213 R

49、214R216W17W66R608R609R610R616R618R663R664R665R666R669R670R673R674W19W29W22W21W33W24W40W27W34W25W41R120C142R121W11C152C151R176R175W47W39R624W58W59W61C681W65W63B E B E12113243233484964116179 16188514136413641 458R81281EBBE1116EBEB178141485110IGO1514EBEBBEBE71EB81B EQ512D503Q501 Q502WH61-1WH61-2WH63WH64WH65WH65WH64WH63D155D156Q158Q159Q204Q65D205J202P201J61VIDEO OUTVIDEO1VIDEO INVIDEO1VIDEO INVIDEO2VIDEO INVIDEO3VIDEO INDVDMONITOROUTMONITORROOM BOUTJ62J63D204J201Q201J101CrCbDVD IN/VIDEO3 INYJ102J103D655D656J65IR REPEATERIR RECEIVEROUTININOUTINVIDEO2INVIDEO3INDVDMONITOROUTVIDEO1S VIDEOJ66J6