Kenwood-KRFV-7090-DS-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
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