Kenwood-RXDDV80-cs-sm 维修电路原理图.pdf

70%MINI HiFi COMPONENT SYSTEMRXD-DV90SERVICE MANUAL(XD-DV80/DV90) 2001-8 PRINTED IN KOREAB51-5752-00 (K/K) 2312 * Refer to parts list on page 31 . In compliance with Federal Regulations, following are repro-duction of labels on, or inside the product relating to laserproduct safety.KENWOOD-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.EX.BASSVOLUMECONTROLDISC SELECTORDISC SKIP0OPEN/CLOSESTANDBY/TIMERDISPLAY/DEMOREVERSE MODEVIDEO/AUXPOWERDVD/CDTAPE APHONESMICMIC LEVELTAPE BSTOPDOLBY DIGITALPRO LOGICTUNERBANDON/STANDBYLISTEN MODEDVDVCDCDSELECTENTERTUNING MODEEQ MODE/EX.BASSSMARTMENUMULTICONTROL/P.CALLREC/ARM4DISC 1DISC 2DISC 323237PUSHOPENPUSHOPENTAPE A PLAYPLAY/REC TAPE B Door tray (A22-1864-08)Knob(MAIN) (K29-8040-08)Door deck(R) (A52-0948-08)Button(DISC) (K29-8031-08)Window *(B10-)Button(OPEN/CLOSE)(K29-8037-08)Button(MENU)(K29-8039-08)Button(REC/ARM)(K29-8036-08)Volume ring(B01-2575-08)Button(ON/STANDBY) (K29-8038-08)Door deck(L) (A52-0947-08)Front panel *(A60-)M and M2 types are available for MIC circuit.RadioFans.CN 收音机爱 好者资料库FM indoor antenna (1)(T90-0881-08)Loop antenna (1)(T90-0882-08)Remote control unit (1)(A70-1533-08): DV90K.YX(A70-1534-08):DV90E.TE(A70-1535-08): DV90M.MM2Batteries (R6/AA) (2)*AC plug adaptor (1) (E03-0115-05)* Use to adapt the plug on thepower cord to the shape ofthe wall outlet.(Accessory only for regionswhere use is necessary.)/Video cord (1)(E30-7235-08)The marking is located on the rear panel and says thatthe component uses laser beams that have been clas-sified as Class 1. It means that the unit is utilizing laserbeams that are of a weaker class. There is no danger ofhazardous radiation outside the unit.CLASS 1LASER PRODUCTThe marking of products using lasers(Except for some areas)RXD-DV902CONTENTS / ACCESSORIES / CAUTIONSCONTENTS / ACCESSORIES / CAUTIONS. 2EXTERNAL VIEW.3ADJUSTMENT.4WIRING DIAGRAM.5PC BOARD . 6SCHEMATIC DIAGRAM . 15EXPLODED VIEW .29PARTS LIST.31SPECIFICATIONS .Back coverContentsAccessoriesSYSTEMRECEIVERSPEAKERSPEAKERXD-DV90RXD-DV90LS-N90VCRS-N90VXD-DV90(M2)RXD-DV90(M2)LS-N90VCRS-N90VXD-DV80RXD-DV90LS-N70VCRS-N90VXD-DV80(Y)RXD-DV90LS-N70V-HCRS-N90VXD-DV80(M2)RXD-DV90(M2)LS-N70VCRS-N90VOperation to resetThe microcomputer may fall into malfunction (impossibility tooperate, erroneous display, etc.) when the power cord is un-plugged while 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 POWE key to ON. Then press the VIDEO/down.AUX key while holding the TUNING MODE keySystem configurationsCautionsRadioFans.CN 收音机爱 好者资料库RXD-DV903EXTERNAL VIEWLRLLRRVIDEO/AUXINOUTFRONT SPEAKERS (6)SPEAKERSS-VIDEOFM 75AMGNDANTENNASUBWOOFERPRE OUTSURROUND(8)COMPONENTVIDEO OUTPUTVIDEO OUTPUTDIGITALOUTOPTICALCENTER(6)+AC 110-120VAC 220-240VCrCbYCover(TOP) (A52-0949-08)DIN soket(E63-1243-08)Tuner assy *(W02-)Phono jack(E63-1240-08)Lock terminal board(E70-0153-08)Phono jack *(E63-1242-08)Digital out(W02-2911-08)Phono jack(E63-1241-08)Lock terminal board(E70-0152-08)Slide switch(S62-0108-08)* Refer to parts list on page 31 . RXD-DV904ADJUSTMENTLRLLRRVIDEO/AUXINOUTFRONT SPEAKERS (6)SPEAKERSS-VIDEOFM 75AMGNDANTENNASUBWOOFERPRE OUTSURROUND(8)COMPONENTVIDEO OUTPUTVIDEO OUTPUTDIGITALOUTOPTICALCENTER(6)+AC 110-120VAC 220-240VCrCbYOscilloscopeFM SGAUX INAUX OUTAC voltmeterFrequency counterAC voltmeterAG(A)(B)Measurement Equipment ConnectionsCASSETTE DECK SECTIONINPUTOUTPUTCASSETE TAPE ALIGNMENTALIGN FORSETTINGSSETTINGSDECK SETTINGSPOINT0dB = 400mV1. Cassette mechanism section (REC/PB head adjustment)Power OFFREC/PB head, Demagnetize the REC/PB head by headDemagnetizationdemagnetization,erase head.eraser.Clean the REC/PB head,eraseand cleaningcleaning playcapstan,pinchhead capstan and pinch roller with arollercotton awab immersed in alcohol.Adjust the output to maximum andazimuthMTT-114Azimuthadjust the azimuth adjustment screwREC/PB HeadTCC-153adjustmentfor the Lissajours waveform pattern ofazimuth10KHz,-10dBscrewthe oscilloscope to become close to a45 straight line.2.PC board adjustmentMTT-111Adjust the tape speed so that 3kHz is1Tape speedTCC-100AUX OUTPUTPLAYVR901obtained at the center of the tape.3KHz, -4dB(Frequency of 3KHZ +/- 40Hz)2PLAY BACKMTT-130AUX OUTPUTPLAYPlayback output to 400mV +/- 50mVLEVELCN902 Pin1 and Pin2(GND)3REC BIASREC/PBAUX OUTPUTRECT901Ensure that the Frequency CounterFrequencyTEST TAPEAdjust T901 to obtain this of 105KHzAC-224+/- 5KHzRecord 400Hz and 10.0kHz alternately,REC/PBand adjust the bias current adjustment1.TP1(+) and TP2(GND) REC BIASTEST TAPEVR903(L) Adjust VR903(L-CH) to obtain this of 3.5mV4CurrentAC-224AUX OUTPUTREC/PLAY 2.TP3(+) and TP4(GND) VR904(R) Adjust VR904(R-CH) to obtain this of 3.5mVAUX IN: 50mV* potentiometer for the playback levels to 400Hz become the same. (Spec.: +/-5dB)AMPLIFIER SECTIONINPUTOUTPUTAMPLIFIERALIGNMENTNOITEMSETTINGSETTINGSETTINGPOINTALIGN FOR1.R234 Side Pin1 and Pin3 IDLENO SIGNALAUXVR201(L) Adjust VR201 to obtain this of +8 mV1CURRENTVR(Min.)FUNCTIONVR202(R)1.R301 Side Pin1 and Pin3 Adjust VR202 to obtain this of +8 mV (Spec.: +8mV +/-3mV)# Idle Current: 20mANOITEMPLAY12AUX OUTPUT(B)(B)(B)(B)(B)(A)RXD-DV9051711911131517111511111016CC402(15P)CC401/FPC2121121415141511318171131176113151: AC240V 50Hz: AC230V 50Hz(X)(T,E): AC110-120V/220-240V50/60Hz(Y,M)VCCGNDOUT123331151111110611111315111151131513115331141119141111419211515115211174171FPC119CC801FPC19122121913113191981811221CP401CP402JK402RchLchAUX OUTJK202JK201CN611CP205CP204CP202CP403CP404CP350CP351CP352CP203CP405CN201CN209CN908CP906FPCCC901CN902CN901CN905CN904CN903CP907CN608CN610CN612J601JK3OPTICALOUTPUTJK101LRCENTERREARSPEAKERSJK102CN604CN603CN602CN616CN606CN605CN614CN618CP104CP618CP102CN607CP609CP1CN4CN3CN1CP2P002B08CbYCrJK1JK2CVBSCN702CN703CN705CN907CN808JK4CP704CN801CN805CP804CP811CP808CN809CP809CN811CP807CN807CP103CN803CP613CN806JK203RLAUX INLchRchFRONTSPEAKERSMICHEADPHONEWOOFERSUBPRE OUTS-VIDEOOUTPUTVIDEOCP810SECTIONTUNERMAIN BOARDHEATSINKFANMIC AMPDECK BOARDDECKMECHANISMBOARDPOWER AMPSURROUNDBOARDMAIN-TRANSDVD MECHANISMSIGNALCONTROLVIDEO BOARDSTANDBY-FRONT BOARDSECTIONCD SWDISC SWSECTIONREMOTE/LEDSECTIONSECTIONENCODER VRRXD-DV90PACKBOARDBOARDWIRING DIAGRAM6ACEBD2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD (Component side view)L3L2L6L5C10C13C15L1J705C701R702R701L4C702J704R11C9CDL2CDL1K701213C704C706J708R703F702F07F08J702R706J707J701F701F05F06R708CN705IC701CN706D1D2R707D706D708Q1D3D4JK1JK2Q2D701D705D703D704IC701(CP706)D707D709Q702CN703CP704P706P709S701DIGITAL OUTOPTICALS VIDEOCVBSVIDEOOUTPUTAC INPUTSTANDBY-VIDEO BOARDCN702VOLTAGESELECTORR10C22C21C19C8R12J1C17F703R700T701J700C705R709J706121511215147BEBEBE141414JK3FGIKMOHJLN2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD (Component side view)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 BOARDPRE OUTSUB WOOFERSURROUNDSPEAKERSRLD6D5D603IC104IC108IC106Q105Q108Q103Q102Q101D104Q109Q111Q606CP618JK101Q110D103CP609D102CP104CP103CP102Q107JK102D107IC101IC102IC103D101D105D106Q112JW7JW10JW11JW5JW4JW15C003JW9C002M001BD01BD02JW16JW17JW14D001P1001P1002CONTROL BOARDP001P1004P028P026P027JW8JW1JW3JW6C005R003R002R004C004JW2R001C006JW13JW1211111011014EB821 218DVD-LOGOSENSOR BOARDIC002D002IC001Q001P002P1003AJALANAPARAKAMAOAQAS2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD (Component side view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efer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)PRTVXQSUWYR483BEBEBEBEBEBEBEBEBEBEBBEEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBBBEEEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEBEJ338J335C405C401C403J336C407J383J254J332J330J327J334J333J329J255J328C435R433R405C422R434R419R438R437J323J322J325C421J326R407C420J342J341J343C406C416J340C429C409C410R424C430J318C252J303C424J360R412R248R252R239R280R484R470R474C268C267R281R269R261R238R233R286R293C263R306J376R237R242J364J398J294C208J367J293C207J292J297R234J385R320C261J298J238J288J302R301J290J289J102J291J365R291R298J258J240J280J279J278J281L202R207J339R340J261R231R201R202R348R349R232R247R236R417R339R222R299R342J263VR202J324J287J232J260R297J313J299J259J286R321J282J283R480R491J285R421J321R406J393R435R410R487C408R220R489R345R486J384C404R343R347J372C253J374J391J373J386J361J371J369J368J366J362J354J353J351J352J382J359R358C258R371R370R355R356R372R373R353R361C260R360R230R229R357R359C203J370J235J269J252C622J224J256J257J243J244J388J247J250J246J245J248C615C638 J600C626J251J221J226R609H3C632R624R604J212J220C601F611J222J219C608J210J200J389J380J202J204J201F610J205J218C607C604C603J217J216J215J214J213J211J206R602J381J234J228J225J227C633J223C639R623J229R606C640IOGIO GC634J241J242C617C618C621H006R626C635J231J230H4H5J249C623J233J379BBEEC630R610R608C631J103C606C602C605C627R607R625R605J209J207J208R620F604F603R627C614J253CP613IC601Q601Q603Q604CN602Q605CN603CP607CN604CN618CP611CN605IC603Q606CN2D604Q607D611D610D609D620D602D601D606IC602CN614J356J355J270J357J266J268J267VR201R226R225J265R223R224J273J274J276J277J264J262R214R215C202R208R209R290R216C206C204R212R311R308R213R312J363R309R210R221R217R218R211R219R313R310R307J377R402C402R254R420R411R414R256C213R418R258C432R415R374R490R366R329R244J348K201J275J350J349R250J203C262R249J358R270R259R265R267J101C218J320J331J394J312J390J319J317C431R245J314J301J300J346J345R283R289D218D212D211R227C205R262R263R303R351R350R264R271R272R416J311J347J315R485J309R401J308R464J310J307C468C465C223J399C436R463R273C219R268 R457R466C473J306R465R469R467C467C472R323R326R325R468C471R367J295J392R369L201R204R203R205R206R328R318R315R317R316R292R285C251C250C269R295R368R322R319J296C233C232C257R331R324R327J304J284R459R458R460C466R364C439J395C440R451C460C437R472C478C256R477C473C438C441J400R461R462C226R296R284R274R275C222R278R200C264C224R276C221R304C230R305R228C214C216C211J375C210R413R354R352C259J396J387R409C408R425R346R488R403R404C434J237C449C212C433C450R217C228C225J239C220C227J236C231C254R314J271J397J272C201C255C266C265C229C209C215C428C411C413C412C414C423C425C426C427C415C453CP404Q402IC401CP402D233Q255CP352CP203Q244Q252Q246Q247Q210CN606CN616Q212D206Q257Q256Q214CP350D225D224D222CP351BBBEEQ207BEEBEBEQ206BEQ234D223BBBBEEEEQ230Q228Q259Q258BEQ211Q253Q254CP405Q209Q205D207Q213D210D201D203D204D217D213D208Q208Q231Q233D234Q241Q240Q242D232IC406D229Q239D2D1Q406CP401Q407Q408Q401Q222Q251JK402JK401Q227Q232D219D228Q229Q235Q226Q224Q225Q249D209D226D221Q217Q220Q218Q250Q216Q221Q223Q237Q219CP202Q243Q215D235CP204CP205S201D227JK203JK204Q201Q203D205Q202Q204D202Q236Q238CP403Q404Q403IC403IC402Q410Q409Q245121819MAIN BOARD3016115148154817171162851415111110161113411251121211101511151111551113111133613228451EBPOWER AMPBOARDLRLRFRONTSPEAKERSSURROUNDSPEAKERSVIDEO/AUXSUPPERWOOFERPRE OUTINOUT910ZAAACAEAGAIABADAFAH2135746R971R954R964R977R913R914R860R909R944R927R943J930J916R942R941R917J947R916R990R987R947R993R978R980R986R362EN801R363R375G3R335J957C238C234C953C963R926R935R925R930R981R982R921R902TP3J931R901R932R933R934R928R929R931R907R906R908C912R903R904R994TP2TP4R984R979R989J875J866J937J935J932R956VR901R955R967R821R820R819R611J896R612R866R814C831R831R833R834R864R865R846R847R870R837R838R40J901J834J833J873R806R849R848R803R42R802R804R856R959J960J912J913J801J802R857R858R855R840R841R843R844J849J848R867H2H3R835J861J864J862J863J877J876R966R973R974R862R836R900R905C910C911J934C914R910R43J911R45R60R61R350R351C962C248C830C1G2G1C3C961C816R939R995R918R44R845J808R952J971J949J854R946R948R809R812R51J822J827J826J824J828J823J829J821J820J830J832J831J836J841J835J811J810J905J906J904J903J812J813C827J815J814J817J816J818J819J840J837J838J839C806J910C804C825X802C819J908J800J803J907R53R52R46J859J855J856J858C823J883J882J857J881J958X801J852J850J825J851R938G907R960R961R958R959R962R965R976R945R992R816R808R815R861R863R818R817R807C814C942C938L902L901C936C901C956C958C918C960J946J945C954C902C904C903C905C931C932C933C934C924C950C923C926C246C913C939C815J965C937C916C818R850R842J961C805C821C828C829C824C820C817C822C802C801C803C921C249C242C239C964R940R972R936TP6TP5C906C908R919R983R920R338R337R336R331R332R33