Kenwood-KRFVR7070-avr-sm 维修电路原理图.pdf

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1、70% LOUDNESSSPEAKER EQ ACTIVE EQDSP STEREOINPUT MODEDIMMERSOUNDTONESETUPBANDAUTOMEMORYMULTI CONTROLLISTEN MODETUNERMD/TAPEVIDEO 3VIDEO 2VIDEO 1PHONOCD/DVDDSPDTSCSIIDOLBY DIGITALSPEAKER EQACTIVE EQSTANDBY ON/STANDBY A SPEAKERS BPOWER PHONESDOWNMUTEAV AUXS VIDEOVIDEOL-AUDIO-RUPVOLUME CONTROL DVD/6CHON

2、 OFFAUDIO VIDEO SURROUND RECEIVER 2003-2 PRINTED IN KOREAB51-5843-00 (K/K) 3172Knob(BUTTON) *(K27-)SUB WOOFERSURROUND BACK+-+-SPEAKERS(8-16)FRONT AFRONT BCENTERSURROUND-+PHONOCD/DVDMD/TAPEREC OUTVIDEO 1PLAY INPLAY INVIDEO 2VIDEO 3PLAY INDVD/6CH.INPUTFRONTSURROUNDCOAXIALSYSTEM CONTROLOPTICALCD/DVDDIG

3、ITAL ININVIDEOS VIDEOINVIDEODVD/6CHVIDEO 2S VIDEOINDVDMONITOROUTVIDEOPRE OUTSUB WOOFERININREC OUTPLAY INPLAY INPLAY INPLAY INREC OUTCENTEROUTINVIDEOVIDEOAC OUTLETS150W 1.25A MAX.SWITCHED TOTALGRAYWHITEGREENBLUEREDLRLRLRFM75GNDAMANTENNAGNDFront glass *(B10-)* Refer to parts list on page 29 . KRF-V707

4、0D/V7070D-S/V8070DSERVICE MANUALMetallic cabinet *(A01-)AC power cord *(E30-)Illust. is KRF-V7070D.KRF-V8070D-S/X9070D/X9070D-SVR-7060/7070/7080Phone jack (E11-0271-05)Knob(VOLUME) *(K29-)Panel *(A60-)Knob *(K29-)Dressing panel *(A21-)Tuner assy *(W02-)Optical receiving module (W02-2731-05)Pin jack

5、(E63-1080-05)AC outlet *(E03-)Pin jack (E63-1317-05)x2Lock terminal board (E70-0161-05)Knob assy *(K29-)Knob assy *(K29-)Miniature phone jack (E11-0293-05)Cylindrical receptacle (E56-0040-05)Pin jack (E63-1317-05)x2Pin jack (E63-1248-05)Pin jack (E63-1247-05)Screw terminal board (E70-0150-05)AC powe

6、r cord bushing(J42-0349-05)Cylindrical receptacle (E56-0033-05)Pin jack (E63-1251-05)Cylindrical receptacle (E56-0042-05)Pin jack (E63-1293-05)x2RadioFans.CN 收音机爱 好者资料库KRF-V7070D/V8070D/X9070D/VR-7060/7070/70802ACCESSORIES / CAUTIONSAccessoriesFM indoor antenna (1)(T90-0877-05)There is a different s

7、hape of remote control in every area.AM loop antenna (1)(T90-0893-05)RF remote antenna (1)Refer to the table on this page below.Batteries (R6/AA) (2)REMOTE CONTROL vs MODELCautionsResetting the MicrocomputerThe microcomputer may malfunction (unit cannot be operated, orshows an erroneous display) if

8、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 th

9、e 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.Memory back up functionPlease note that the following items will be deleted from the unitsmemory if the power cord is disconnec

10、ted from the AC outlet forapproximately 1 day. Power mode. Input selector settings. Picture output. Speaker ON/OFF. Volume level. BASS, TREBLE, INPUT level. TONE ON/OFF. LOUDNESS ON/OFF. Dimmer level. MD/TAPE settings. Listen mode setting. Speaker settings. SW RE-MIX ON/OFF. Distance setting. Bass p

11、eak level. Input mode setting. Midnight mode setting. PRO LOGIC II mode setting. CS II mode setting. Broadcast band. Frequency setting. Preset stations. Tuning mode. THX mode. DSP mode. ACTIVE EQ mode. SPEAKER EQ mode.MODELPARTS #BATTERY COVERKRF-V7070DE7A70-1623-05A09-1274-08KRF-V7070D-SE1A70-1623-

12、05A09-1274-08VR-7060K6A70-1622-05A09-1274-08VR-7060P6A70-1622-05A09-1274-08KRF-V8070DE8A70-1623-05A09-1274-08KRF-V8070D-SE2A70-1623-05A09-1274-08KRF-X9070DY1A70-1619-05A09-1275-08KRF-X9070DE9A70-1621-05A09-1274-08KRF-X9070D-SE3A70-1621-05A09-1274-08VR-7070K7A70-1620-05A09-1274-08VR-7070P7A70-1620-05

13、A09-1274-08VR-7080K8A70-1619-05A09-1275-08VR-7080P8A70-1619-05A09-1275-08897ABBRI.RadioFans.CN 收音机爱 好者资料库KRF-V7070D/V8070D/X9070D/VR-7060/7070/70803EXTERNAL VIEW / ADJUSTMENT THX SPEAKER EQACTIVE EQDSP STEREOINPUT MODEDIMMERSOUNDTONESETUPBANDAUTOMEMORYMULTI CONTROLLISTEN MODETUNERMD/TAPEVIDEO 3VIDEO

14、 2VIDEO 1PHONOCD/DVDTHXDTSCS IIDOLBY DIGITALSPEAKER EQACTIVE EQA SPEAKERS BPHONESDOWNMUTEAV AUXS VIDEOVIDEOL-AUDIO-RUPVOLUME CONTROLSTANDBYPOWERON/STANDBY DVD/6CHKnob (K29-8107-02)Front glass *(B10-)Phone jack (E11-0271-05)Knob *(K29-)Panel *(A60-)Knob *(K29-)Knob (K29-8111-02)Knob assy *(K29-)Knob

15、assy *(K29-)Cylindrical receptacle (E56-0033-05)Pin jack (E63-1251-05)Illust. is VR-7060.* Refer to parts list on page 29 . EXTERNAL VIEWADJUSTMENTNo.ITEMINPUTOUTPUTRECEIVERALIGNMENTALIGN FORFIG.SETTINGSSETTINGSSETTINGSPOINTSAUDIO SECTIONSPEAKER : AIdling Current AdjustmentAll power amplifier stage

16、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 other channels.

17、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-V7070D/V8070D/X9070D/VR-7060/7070/70804INTERCONN

18、ECTION DIAGRAME601ONLY(Y) TYPESPACESWITCHCHANNELA3A2A1VIDEO 3AM75GNDFMPHONESJ501CN51EXCEPTKRF-V7070D/-SCN13RchCN10LchRchCN12CN11CN21CN22WH21E21CN14CN15E22P501WH90WH91WH93CN7WH92CN4CN6WH88S800CN5CN3VIDEO 2VIDEO 1PLAYMD/TAPEPLAYMD/TAPECDPHONO/AUXVIDEO 1RECRECRchFLLchRchLchRchJ21LchRchWH2LchRchLchRchJ7

19、WH6WH5SWFRONT BKRF-V7070D/-SONLYSPEAKERSSLDVD/6chSRCFRLchLchRchLchRchJ11LchRchJ6LchWH1CN302SPEAKERSSURROUNDFRONT BSBSWKRF-V7070D/-SEXCEPTSURROUND BACK/SUB WOOFERRchJ301LchSPEAKERSKRF-X9070D/-SVR-7070VR-7080KRF-X9070D/-SCN8KRF-X9070D/-SCENTERSPEAKERSJ3WH7KRF-X9070D/-SJ4VR-7070EXCEPTWH4CN304CN5CN301J5

20、CchRchFRONT ALchWH221CN303VR-7070/7080ONLYVIDEO2CONTROLSYSTEMCN1CN3COAXIAL INDVDOPTICAL INOPT OUTJ800VIDEO3J1CD/DVDONLYVR-7070COMRchAV-AUXLchCN2WH3S-VIDEOWH20J20P3J21CN2PRE OUTWH2WH1J303SWCSBRSBLSRJ302SLFRFLROOM BROOM BRLVIDEO1OUTMONITORROOM BOUTPLAY INMONITORDVDJ63J62INVIDEO3PLAY INVIDEO2PLAY INREC

21、OUTPLAYJ61(Y) TYPECN50WH80WH70WH89CN4CN80CN70WH78WH94ONLYVR-7060VR-7070WH87CN45(E) TYPE ONLYJ3(K,P,Y) TYPE ONLYJ2P2ONLY(Y)TYPECN48EXCEPTCN47CN1VR-7080ONLYKRF-V7070D/-SEXCEPTP201YYVIDEO INDVD &CbCbCrCrEXCEPTKRF-V7070D/-SMONITOROUTJ101CbYCrCN202(Y) TYPEEXCEPTJ202J201J102CN101IR OUTONLYVR-7080IR INWH69

22、EXCEPTKRF-V7070D/-SVIDEO1INPLAYRECOUTCN68E602VIDEO2VIDEO3PLAY INPLAY INJ65CN65WH66ONLYKRF-V7070D/-SVIDEOPLAY INJ66OUTMONITORJ68PLAY INDVD(Y)TYPE ONLYCN49WH5CN46(K,P) TYPEEXCEPTS2P1CN41WH42S1CN1WH1CN67J67(X09-6760-10)(X14-7630-10)(X08-3130-10)(X25-6490-14)J12J22VR-7080VR-7070ONLYVR-7080VR-70701312121

23、211515119511212125113919119115151211101211100KHz10150kHz1221211212414119110105876432121192111141914153117113411313133131131317171751WWWWEXCEPT (K,P) TYPECN22: T4A L250VEXCEPT (K,P) TYPE(K,P) TYPE : 10A 125VCN11CN12F1: T2.5A L250VCN21F221T113217114616114415121212112T4A L250VCN33161CN45F3220-240V13111

24、0-120V21U.S.A.CANADAU.S.A.CANADAU.S.A.CANADAEUROPEEUROPEEUROPEEUROPEEUROPEEUROPECOUNTRYDESTINATIONVR-7060VR-7070VR-7080KRF-X9070DKRF-V7070DKRF-X9070D-SKRF-V8070D-SKRF-V8070DKRF-V7070D-SMODEL NAMEK6P6K8P8K7P7Y1E9PXUNIT No.E7E2E8E3E1ABB.0-112-710-100-102-912-732-722-91Y1PXCANADACANADACANADAVR-7070VR-7

25、060VR-7080K7U.S.A.P7K6U.S.A.P60-100-11K8U.S.A.P80-10EUROPEEUROPEEUROPEEUROPEEUROPEEUROPEKRF-V8070DKRF-X9070D-SKRF-X9070DKRF-V8070D-SKRF-V7070DKRF-V7070D-SE8E9E32-71E1E7E22-732-72COUNTRYMODEL NAMEABB.DESTINATIONUNIT No.0-12E3EUROPEKRF-X9070D-S0-120-110-230-12CANADAU.S.A.VR-7060P6K6U.S.A.CANADAEUROPEC

26、ANADAU.S.A.VR-7080VR-7070KRF-X9070DP8K7P7PXK8Y1E90-11UNIT No.0-10EUROPEEUROPEEUROPEDESTINATIONEUROPECOUNTRYKRF-V8070D-SKRF-V8070DKRF-V7070DMODEL NAMEKRF-V7070D-SE2E8E7ABB.E1CANADACANADAVR-7070VR-7060U.S.A.U.S.A.0-13P6K6K7P70-14EUROPECOUNTRYEUROPEEUROPEEUROPEDESTINATIONCANADAVR-7080KRF-X9070D-SKRF-X9

27、070DKRF-V8070DU.S.A.PXKRF-V8070D-SMODEL NAME0-13K8P8Y10-142-72E3E9E82-72UNIT No.E2ABB.W108W110W109W106W107W105HEADPHONE PCB(X09- ) (C/5)(W02-2976-05) : E TYPE(W02-2975-05) : Y TYPE(W02-2974-05) : K,P TYPETUNER ASSYTUNER PCB(X09- ) (B/5)DISPLAY PCB(X14-7630-10) (A/11)POWER AMPLIFIER UNIT(X09-6760-10)

28、 (A/5)6dB(X09- ) (E/5)PRE AMPFRONT AUX.(X14- ) (H/11)SPEAKER UNIT(X25- ) (B/2)VIDEOCOMPOSITE(X14- ) (F/11)UNITVR-7060/7070/7080VOLUMESTANDBY(X14- ) (C/11)SWITCHSELECTOR(X14- ) (B/11)AC/STD. TRANS(X14- ) (I/11)TRANSFORMER(X14- ) (D/11)I/C AVRCOMPONENT VIDEO UNIT(X08-3130-10)DSP UNIT(X25-6490-14) (A/2

29、)POWER(X14- ) (G/11)S-VIDEO UNIT(L07-3252-05) : KRF-V7070D/V7070D-S(L07-3241-05) : KRF-X9070D(Y) TYPE(L07-3240-15) : VR-7070/7080POWER TRANSFORMERPOWER SWITCH(X14-) (K/11)(X14- ) (J/11)TRANSFORMERPOWERVOLTAGE SELECTOR(L07-3138-05) : VR-7060KRF-V8070D/V8070D-S(L07-3251-05) : KRF-X9070D/-S(E)TYPE(E/11

30、)(X14- )KRF-X9070D/-S,KRF-V8070D/D-S,KRF-V7070D/D-S,KRF-V7070D/D-S2ACEGIBDFHJ135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD (Component side view)56R612R620R621R619R618110C603C607C608R614C604C605C606R617R616R615R613R611R622W324W325W321W323W320W322R623R624Q609Q

31、608D606D605D607CN8IC6X09 E/5IC3Q54Q52Q34Q32Q12Q14Q53Q51Q13Q11Q33Q31WH7.2WH7.7WH7.6WH7.10WH7.1WH7.9WH7.8WH7.5WH7.4D601D64D21D22D20D600Q351Q352D603D17D63D65D67Q302Q331Q332Q333Q334Q335Q336Q337Q338Q360Q361D19D25Q301Q305Q308Q309Q310Q312Q603D604Q604D602Q602D1D2D3D4D5D6D13D14D15D16D18D23D24D28D29D30D32D33D

32、34D35D51D52D53D54D55D56D57D58D59D60D61D62D66D221Q1Q2Q3Q4Q5Q6Q7Q8Q9Q10Q21Q22Q23Q24Q25Q26Q27Q28Q29Q30Q41Q42Q43Q44Q45Q46Q47Q48Q49Q50Q303Q304Q306Q307Q353Q354Q355Q356Q357Q358Q359Q362Q365Q607Q605Q606D68Q311D27D69Q313D26J11J1J12J21J22BLKE22WH21REDBLUWH7.3REDJ3J2J4J5IC4WH4J6J7(J70-1676-01)WH1IC5WH221WH2BLKW

33、HTYELGRYORGBLKWH2CN3CN2IC1WH3D11CN6WH6BLUWH5REDBLKCN5BLUCN4REDWH5BLUWH6Q363Q364CN7D12CN1CN15CN13CN10CN12CN11CN14E501CN51P501X09 C/5J501CN21X09 B/5WH21CN22E21PHONESX09-6760-10 A/5LRFRONT BSPEAKERSFRONT ALRCCENTERSPEAKERSPRE OUTWOOFERSUBSURROUNDCENTERFRONTDVD/6CH INPUTPLAY INPLAY INPLAY INREC OUTVIDEO

34、 1REC OUTPLAY INMD/TAPEVIDEO 2VIDEO 3CD/DVDPHONOININ11121220192188065644140252495mmSWIDLEIDLESRIDLEW351W350W25W49W14W12W15W11W13W10W111143542W2C364/BLKBLKW56W75C319W293W53R315EBEBR461C320R316R450R462R313C312R312C310C313R354R355C314C1C2C5C6C7C8C17C18C19C20C21C22C23C24C25C26C27C28C29C30C31C32C33C34C35

35、C36C37C38C46C47C55C56C66C67C72C73C74C75C115C116C121C122C123C124C165C166C171C172C173C174C231C232C304C351C352C353C354C361C362C363C369C365C367R3R4R13R14R19R20R23R24R27R28R31R32R35R36R39R40R43R44R49R50R53R54R57R59R60R63R64R67R68R113R114R117R118R163R164R167R168R223R224R225R226R229R230R233R234R413R414R466

36、R472C92C93C94C95C141C142C143C144C191C192C193C195C196C308C309C315C316C317C318W222C3C4C9C10C11C12C13C14C15C16C44C45C51C52C53C54C57C58C62C63C64C65C68C69C70C71C76C77C78C79W235C82C83C84C85C86C87C88C89C90C91C111C112C113C114C117C118C119C120C125C126C127C128C133C134C135C136C137C138C139C140C161C163C164C167C16

37、8C169C170C175C176C177C178C181C183C184C185C186C187C188C189C190C221C222C223C224C225C226C227C228C22911147148485C230C307C355C356C357C358C359C360C366C368R1R2R5R6R7R8R9R10R11R12R15R16R17R18R21R22R25R26R29R30R33R34R37R38R41R42R45R46R47R48R51R52R55R56R65R66R69R70R71R72R73R74R75R76R77R78R79R80R81R82R83R84R85

38、R86R87R88R89R90R91R92R93R94R95R96R97R98R99R100R111R112R115R116R119R120R121R122R123R124R125R126R127R128R129R130R131R132R133R134R135R136R137R138R139R140R141R142R143R144R145R146R147R148R149R150R161R162R165R166R169R170R171R172R173R174R175R176R177R178R179R180R181R182R183R184R185R186R187R188R189R190R191R1

39、92R193R194R195R196R197R198R199R200R221R222R227R228R231R232R235R236R302R303R305R306R307R308R309R321R322R325R326R327R328R329R330R351R352R353R356R357R358R359R360R361R362R363R364R365R366R367R381R382R383R384R385R386R387R388R389R390R391R392R401R402R403R404R405R406R407R408R409R410R411R412R431R432R433R434R4

40、35R436R437R438R451R452R453R455R456R457R458R304R460R463R464R465R467R468R469R471R473R474R475W294W266W265W225W189W66W4W52W76W6W64W61W58W68W88W60W83W155W78W62W98W201W229W267W298W256W140W299W137W77W72W281W254W270W218W257W232W192W207W206W272W216W230W231W271W226W278W241W261W263W247W245W277W282W286W250W258W

41、214W157W217W236W211W175W115W54W51W173W292W259W253W237W240W7W198W228W268W5W221W194W190W243W246W239W260W209W121W205W210W63W182W185W70W159W93W184W124W161W160W129W227W219W297W3W122W170W296W280W283W262W264W238W242W249W224W111W118W279W125W120W117W183W110W71W69W97W87W74W80W84W151W131W150W134W145W154W180W89

42、W109W106W116W199W123W203W187W196W191W59W57W114W152W104W105W113W91W96W107W119W130W103W136W147W163W179W158W168W186W169W82W90W95W193W165W171W178W174W144W73W92W94W81W100W101W108W85W112W99W102W177W67W132W135W139W143W148W149W128W204W133W200W141W234W126W142W127W138W176W162W181W146W167W164W153C600R600W195W2

43、12W166W233W220W244R609R610R608R607R603R601R605W291W284W290W289R602R604R606W21W20W213W208W252W276W65C321W223W21519C323W86W50W55C322W302W307W306W301W172W287W156W188115R339R338R340W79R341R336C370R335R337R334W255R324R323W197W248R476R470W318C325W303W305W300W273C324W311W312W309W310W314W313W308W251W317R237

44、C303R319C233W315W319W8C326314151W22W23R314VR1VR2VR3VR4VR5VR6W2745mmR58K3K2R201R101R102K4K5W26 60mmR152R151R20280mmR333L6L3C450L4L5L1R332R331L218W2455mmC451C453K1C311R454R342R343R311R310R459C305R104R103C306R301C301C452C302R318RCIDLELIDLER317SLIDLEC502C501141148587W269W275W274115142112459W288W285W295B

45、EE13BEEEEBBBBEEEEBBBBEEEEBBBBEEEEBBBBEEEEBBBBEEEEBB212121212121BBEBEBEEBBEBEBBEBEBEBEBEBEBEEEBEEBBBEBEEBBBEEBEEEEBEBBBEEEEEBBBEEBBEBEEBEBBBBEBBBEEBBEEBEEEEBEBBEEEBBEBEEBBEBEBBEEBBBEBBEBEBBEEEBBBEEBBBEEEBEBIC2KLNPRTMOQS2135746Refer to the schematic diagram for the value of resistors and capacitors.PC

46、 BOARD (Component side view)87C510BLKYEL617978BLK17WHTC401C409C403C402R410C408W204W304TH1C501C502C503C504C505C506C507C508C509C511R501R502R503R504R505R506R507R508R509R510W105W106W107W109W110W108W119W112W117W116W114W115W113W122W140W142P3VOLUME CONTROL13R721R722R723R725C854R854W756VIDOEO-1W709VIDEO-2W7

47、15W711VIDEO-3MD/TAPER814C815C853R853C764BANDAUTOMEMORYDOWNR764C763R763R961R962W766W767WHTR964W761BLKLISTEN MODER963R762W771W807C908W303W731W727C101R834W716R749DVD/6CHR750R751R752BLUCD/DVDR701R702R703R704R746R747R748R709C793C792W717C831G IR831R832OW71481916R710R715R791R711R712R713R714R754R705R706R707

48、R708PHONO/AUXTUNERW725C819C818R813W302C81718169C8164.3MHzC811R982W723R833C833C832W301BEW720W721R983X811C813C814C812W732ACT. EQSPK.R745W705C794LOUDNESSTHX/W702W701W703REDSPK. EQACT.EQR990EEQB11IO G3717CSIIW718R755R741DTSBEREDW708W707W706GRYBLKBLUW710DSP/THXW713DOL.R742R744D.R743R882W712R884R997C791ST

49、EREOW722DSPW726MODEINPUTW735W730BEW804W803W802W801W719R885W7246769R780C856R973R974R975C855W752R859R862W736SOUNDTONEW737W738W739W740SETUPR718R719R720UPW744R724R861R860R902W745W743W748W750C841R843R852C852EBDIMMERC844R844R841R842OIGW742W749C842W741EBR996R976R986R987R988R989W763W759R984R985W753CONTROLMU

50、LTIR855R999R966W769W805W734W760W762W770R761R978R921R979R121W950C858R856W751W755W704C857W951W764R980WHTR995R994R981R107DISPLAY & MICRO-COMPUTER PCBR115BER846R845C843C778C779R776C777W746W747R105R106R102R101R103R104W806R867R883R901R905R906R914R781W757R864R863R865C702R866W754C851W758R851R778W728R7778.38