Kenwood-KRFV-7070-D-Service-Manual电路原理图.pdf

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

2、AUDIO VIDEO SURROUND RECEIVER2003-2 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/DVDDIGITAL

3、 ININVIDEOS VIDEOINVIDEO DVD/6CH VIDEO 2S VIDEOINDVDMONITOROUTVIDEOPRE OUTSUB WOOFERININREC OUTPLAY INPLAY INPLAY INPLAY INREC OUTCENTEROUTINVIDEOVIDEOAC OUTLETS150W 1.25A MAX.SWITCHED TOTALGRAYWHITEGREENBLUEREDLRLRLRFM 75GND AMANTENNAGNDFront glass *(B10-)*Refer to parts list on page 29 . KRF-V7070

4、D/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 power

6、 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)x2KRF-V7070D/V8070D/X9070D/VR-7060/7070/70802ACCESSORIES / CAUTIONSAccessoriesFM indoor antenna (1)(T90-0877-05)There is a different shape of remote control i

7、n 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 the power cord is unplug

8、ged 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.P

9、lease 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 disconnected from the AC outlet f

10、orapproximately 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 peak level. Input mode setting.Midn

11、ight mode setting.PRO LOGIC IImode setting. CS IImode setting. Broadcast band.Frequency setting.Preset stations.Tuning mode.THX mode.DSP mode.ACTIVE EQ mode.SPEAKER EQ mode.MODELPARTS#BATTERYCOVERKRF-V7070DE7A70-1623-05A09-1274-08KRF-V7070D-SE1A70-1623-05A09-1274-08VR-7060K6A70-1622-05A09-1274-08VR-

12、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-7070P7A70-1620-05A09-1274-08VR-7080K8A70-1619-05A09-1275-08VR-70

13、80P8A70-1619-05A09-1275-0889 7ABBRI.KRF-V7070D/V8070D/X9070D/VR-7060/7070/70803EXTERNAL VIEW / ADJUSTMENTTHXSPEAKER EQACTIVE EQDSP STEREOINPUT MODEDIMMERSOUNDTONESETUPBANDAUTOMEMORYMULTI CONTROLLISTEN MODETUNERMD/TAPEVIDEO 3VIDEO 2VIDEO 1PHONOCD/DVDTHXDTSCS IIDOLBY DIGITALSPEAKER EQACTIVE EQA SPEAKE

14、RS BPHONESDOWNMUTEAV AUXS VIDEOVIDEOL-AUDIO-RUPVOLUME CONTROLSTANDBYPOWERON/STANDBYDVD/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 assy *(K29-)Cylindrical receptacle (E56-0033-05)Pin jack (E63-1251-05)Il

15、lust. is VR-7060.*Refer to parts list on page 29 . EXTERNAL VIEWADJUSTMENTNo.ITEMINPUTOUTPUTRECEIVERALIGNMENTALIGN FORFIG.SETTINGSSETTINGSSETTINGSPOINTSAUDIO SECTIONSPEAKER : AIdling Current AdjustmentAll power amplifier stage need idling current adjustment after the installation of TRAIT transistor

16、.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.CN11, FL ch.CN10, FR ch.CN14, SL ch.CN13, SR ch.CN12, C ch.CN15, SW ch.X0

17、9(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-7060/7070/70804INTERCONNECTION DIAGRAME601ONLY(Y) TYPESPACESWITCHCHANNELA3A2A1VIDEO 3AM75GNDFMPHO

18、NESJ501CN51EXCEPTKRF-V7070D/-SCN13RchCN10LchRchCN12CN11CN21 CN22WH21E21CN14 CN15E22P501WH90WH91WH93CN7WH92CN4CN6WH88S800CN5CN3VIDEO 2VIDEO 1PLAYMD/TAPEPLAYMD/TAPECDPHONO/AUXVIDEO 1RECRECRch FLLchRchLchRchJ21LchRchWH2LchRchLchRchJ7WH6WH5SWFRONT BKRF-V7070D/-SONLYSPEAKERSSLDVD/6chSRCFRLchLchRchLchRchJ

19、11LchRchJ6LchWH1CN302SPEAKERSSURROUNDFRONT BSBSWKRF-V7070D/-SEXCEPTSURROUND BACK/SUB WOOFERRchJ301 Lch SPEAKERSKRF-X9070D/-SVR-7070VR-7080KRF-X9070D/-SCN8KRF-X9070D/-SCENTERSPEAKERSJ3WH7KRF-X9070D/-SJ4VR-7070EXCEPTWH4CN304CN5CN301J5CchRchFRONT ALchWH221CN303VR-7070/7080ONLYVIDEO2CONTROLSYSTEMCN1CN3C

20、OAXIAL INDVDOPTICAL INOPT OUTJ800VIDEO3J1CD/DVDONLYVR-7070COMRchAV-AUXLchCN2WH3S-VIDEOWH20J20P3J21CN2PRE OUTWH2WH1J303SWCSBRSBLSRJ302SLFRFLROOM BROOM BRLVIDEO1OUTMONITORROOM BOUTPLAY INMONITORDVDJ63J62INVIDEO3PLAY INVIDEO2PLAY INRECOUTPLAYJ61(Y) TYPECN50WH80WH70WH89CN4CN80CN70WH78WH94ONLYVR-7060VR-7

21、070WH87CN45(E) TYPE ONLYJ3(K,P,Y) TYPE ONLYJ2P2ONLY(Y)TYPECN48EXCEPTCN47CN1VR-7080ONLYKRF-V7070D/-SEXCEPTP201YYVIDEO INDVD &CbCbCrCrEXCEPTKRF-V7070D/-SMONITOROUTJ101CbYCrCN202(Y) TYPEEXCEPTJ202J201J102CN101IR OUTONLYVR-7080IR INWH69EXCEPTKRF-V7070D/-SVIDEO1INPLAYRECOUTCN68E602VIDEO2VIDEO3PLAY INPLAY

22、 INJ65CN65WH66ONLYKRF-V7070D/-SVIDEOPLAY INJ66OUTMONITORJ68 PLAY INDVD(Y)TYPE ONLYCN49 WH5CN46(K,P) TYPEEXCEPTS2P1CN41WH42S1CN1 WH1CN67J67(X09-6760-10)(X14-7630-10)(X08-3130-10)(X25-6490-14)J12J22VR-7080VR-7070ONLYVR-7080VR-70701312 1212115 15119511212 12 5113919119115151211101211100KHz10 150kHz1221

23、2112 12414119110105876432121 1921 111 419 1 41531171134113131331311313171717 51WWWWEXCEPT (K,P) TYPECN22: T4A L250VEXCEPT (K,P) TYPE(K,P) TYPE : 10A 125VCN11CN12F1: T2.5A L250VCN21F221T113217114616114 41 512121 2112T4A L250VCN33161CN45F3220-240V1 31110-120V21U.S.A.CANADAU.S.A.CANADAU.S.A.CANADAEUROP

24、EEUROPEEUROPEEUROPEEUROPEEUROPECOUNTRYDESTINATIONVR-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-7060VR-7080K7U.S.A.P7K6U.S.A.P60-100-11K8U.S.A.P80

25、-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.CANADAEUROPECANADAU.S.A.VR-7080VR-7070KRF-X9070DP8K7P7PXK8Y1E9

26、0-11UNIT No.0-10EUROPEEUROPEEUROPEDESTINATIONEUROPECOUNTRYKRF-V8070D-SKRF-V8070DKRF-V7070DMODEL NAMEKRF-V7070D-SE2E8E7ABB.E1CANADACANADAVR-7070VR-7060U.S.A.U.S.A.0-13P6K6K7P70-14EUROPECOUNTRYEUROPEEUROPEEUROPEDESTINATIONCANADAVR-7080KRF-X9070D-SKRF-X9070DKRF-V8070DU.S.A.PXKRF-V8070D-SMODEL NAME0-13K

27、8P8Y10-142-72E3E9E82-72UNIT 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) (A/5)6dB(X09- ) (E/5)PRE AMPFRONT AUX.(X14- ) (

28、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)POWER(X14- ) (G/11)S-VIDEO UNIT(L07-3252-05) :

29、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)(X14- )KRF-X9070D/-S,KRF-V8070D/D-S,KRF-V7070D/

30、D-S,KRF-V7070D/D-S2ACEGIBDFHJ1357 46Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD (Component side view)56R612R620R621R619R618110C603C607C608R614C604C605C606R617R616R615R613R611R622W324W325W321W323W320W322R623R624Q609Q608D606D605D607CN8IC6X09 E/5IC3Q54Q52Q34Q32Q12

31、Q14Q53Q51Q13Q11Q33Q31WH7.2WH7.7WH7.6WH7.10WH7.1WH7.9WH7.8WH7.5WH7.4D601D64D21D22D20D600Q351Q352D603D17D63D65 D67Q302Q331Q332Q333Q334Q335Q336Q337Q338Q360Q361D19D25Q301Q305Q308Q309Q310Q312Q603D604Q604D602Q602D1D2D3D4D5D6D13D14D15D16D18D23D24D28D29D30D32D33D34D35D51D52D53D54D55D56D57D58D59D60D61D62D66D

32、221Q1Q2Q3Q4Q5Q6Q7Q8Q9Q10Q21Q22Q23Q24Q25Q26Q27Q28Q29Q30Q41Q42Q43Q44Q45Q46Q47Q48Q49Q50Q303Q304Q306Q307Q353Q354Q355Q356Q357Q358Q359Q362Q365Q607Q605Q606D68Q311D27D69Q313D26J11J1J12J21J22BLKE22WH21REDBLUWH7.3REDJ3J2J4J5IC4WH4J6J7(J70-1676-01)WH1IC5WH221WH2BLKWHTYELGRYORGBLKWH2CN3CN2IC1WH3D11CN6WH6BLUWH5R

33、EDBLKCN5BLUCN4RED WH5BLU WH6Q363Q364CN7D12CN1CN15CN13CN10CN12CN11CN14E501CN51P501X09 C/5J501CN21X09 B/5WH21CN22E21PHONESX09-6760-10 A/5LRFRONT BSPEAKERSFRONT ALRCCENTERSPEAKERSPRE OUTWOOFERSUBSURROUNDCENTERFRONTDVD/6CH INPUTPLAY INPLAY INPLAY INREC OUTVIDEO 1REC OUTPLAY INMD/TAPEVIDEO 2VIDEO 3CD/DVD

34、PHONOININ1112 122 0192188065644140252495mmSWIDLEIDLESRIDLEW351W350W25W49W14W12W15W11W13W10W111143542W2C364/BLKBLKW56W75C319W293W53R315EBEBR461C320R316R450R462R313C312R312C310C313R354R355C314C1C2C5C6C7C8C17C18C19C20C21C22C23C24C25C26C27C28C29C30C31C32C33C34C35C36C37C38C46C47C55C56C66C67C72C73C74C75C1

35、 15C1 16C121C122C123C124C165C166C171C172C173C174C231C232C304C351C352C353C354C361 C362C363C369C365C367R3R4R13R14R19R20R23R24R27R28R31R32R35R36R39R40R43R44R49R50R53R54R57R59R60R63R64R67R68R1 13R1 14R1 17R1 18R163R164R167R168R223R224R225R226R229R230R233R234R413 R414R466R472C92C93C94C95C141C142C143C144C

36、191C192C193C195C196C308C309C315C316C317C318W222C3C4C9C10C11C12C13C14C15C16C44C45C51C52C53C54C57C58C62C63C64C65C68C69C70C71C76C77C78C79W235C82C83C84C85C86C87C88C89C90C91C111C112C1 13C1 14C1 17C1 18C1 19C120C125C126C127C128C133C134C135C136C137C138C139 C140C161C163C164C167C168C169C170C175C176C177C178C1

37、81C183C184C185C186C187C188C189C190C221C222C223C224C225C226C227C228C22911147148485C230C307C355C356C357C358C359C360C366C368R1R2R5R6R7R8R9R10R11R12R15R16R17R18R21R22R25R26R29R30R33R34R37R38R41R42R45R46R47R48R51R52R55R56R65R66R69R70R71R72R73R74R75R76R77R78R79R80R81R82R83R84R85R86R87R88R89R90R91R92R93R94

38、R95R96R97R98R99R100R 111R1 12R1 15R1 16R1 19R120R121R122R123R124R125R126R127R128R129R130R131R132R133R134R135R136R137R138R139R140R141R142R143R144R145R146R147R148R149R150R161R162R165R166R169R170R171R172R173R174R175R176R177R178R179R180R181R182R183R184R185R186R187R188R189R190R191R192R193R194R195R196R197

39、R198R199R200R221R222R227R228R231R232R235R236R302R303R305R306R307R308R309R321R322R325R326R327R328R329R330R351R352R353R356R357R358R359R360R361R362R363R364R365R366R367R381R382R383R384R385R386R387R388R389R390R391R392R401R402R403R404R405R406R407R408R409R410R41 1R412R431R432R433R434R435R436R437R438R451R45

40、2R453R455R456R457R458R304R460R463R464R465R467R468R469R471R473R474R475W294W266 W265W225W189W66W4W52W76W6W64W61W58W68W88W60W83W155W78W62W98W201W229W267W298W256W140W299W137W77W72W281W254W270W218W257W232W192W207W206W272W216W230W231W271W226W278W241W261W263W247W245W277W282W286W250W258W214W157W217W236W211W

41、175W1 15W54W51W173W292W259W253W237W240W7W198W228W268W5W221W194W190W243W246W239W260W209W121W205W210W63W182 W185W70W159W93W184W124W161W160W129W227W219W297W3W122W170W296W280W283W262W264W238W242W249W224W 111W1 18W279W125W120W1 17W183W1 10W71W69W97W87W74W80W84W151W131W150W134W145W154W180W89W109W106W1 16W

42、199W123W203W187W196W191W59W57W114W152W104W105W1 13W91W96W107W1 19W130W103W136W147W163W179W158W168W186W169W82W90W95W193W165W171W178W174W144W73W92W94W81W100W101W108W85W1 12W99W102W177W67W132W135W139W143W148W149W128W204W133W200W141W234W126W142W127W138W176W162W181W146W167W164W153C600R600W195W212W166W233

43、W220W244R609R610R608R607R603R601R605W291W284W290W289R602R604R606W21W20W213W208W252W276W65C321W223 W21519C323W86W50W55C322W302W307W306W301W172W287W156W18811 5R339R338R340W79R341R336C370R335R337R334W255R324R323W197W248R476R470W318C325W303W305W300W273C324W31 1W312W309W310W314W313W308W251W317R237C303R31

44、9C233W315W319W8C326314151W22W23R314VR1VR2VR3VR4VR5VR6W2745mmR58K3K2R201R101R102K4K5W2660mmR152R151R20280mmR333L6L3C450L4L5L1R332R331L218W2455mmC451C453K1C311R454R342R343R31 1R310R459C305R104R103C306R301C301C452C302R318RCIDLELIDLER317SLIDLEC502 C501141148587W269W275W27411514 2112459W288 W285W295B EE1

45、3BEEEEBBBBEEEEBBBBEEEEBBBBEEEEBBBBEEEEBBBBEEEEBB212121212121BBEBEBEEBBEBE BB EBEB EBEB EBEBEEEBEEBBBEBEEBBBEEBEEEEBEBBBEEEEEBBBEEBBEBEEBEBBBBEBBBEEBBEE BEEEEBEBBEEEBBEBEEBBEBEBBEEBBBEBBEBEBBEEEBBBEEBBBEEE BEBIC2KLNPRTMOQS2 1357 46Refer to the schematic diagram for the value of resistors and capacito

46、rs.PC BOARD (Component side view)87C510BLKYEL617978BLK17WHTC401C409C403C402R410C408W204W304TH1C501C502C503C504C505C506C507 C508C509C511R501R502R503R504R505 R506R507R508R509R510W105W106W107W109W110W108W119W1 12W1 17 W116W1 14W1 15W113W122W140W142P3VOLUME CONTROL13R721R722R723R725C854R854W756VIDOEO-1W

47、709VIDEO-2W715W71 1VIDEO-3MD/T APER814C815C853R853C764BANDAUT OMEMOR YDOWNR764C763R763R961R962W766W767WHTR964W761BLKLISTEN MODER963R762W771W807C908W303W731W727C101R834W716R749DVD/6CHR750R751R752BLUCD/DVDR701R702R703R704R746R747R748R709C793C792W717C831G IR831R832OW71481916R710R715R791R71 1R712R713R71

48、4R754R705R706R707R708PHONO/AUXTUNERW725C819C818R813W302C81718169C8164.3MHzC81 1R982W723R833C833C832W301B EW720W721R983X811C813C814C812W732ACT. EQSPK.R745W705C794LOUDNESS THX/W702 W701W703REDSPK. EQACT.EQR990EEQB11IOG 3717CSIIW718R755R741DTSB EREDW708W707W706GRYBLKBLUW710DSP/THXW713DOL.R742R744D.R743

49、R882W712R884R997C791STEREOW722DSPW726MODE INPUTW735W730BEW804W803W802W801W719R885W7246769R780C856R973R974R975C855W752R859R862W736SOUNDTONEW737W738W739W740SETUPR718R719R720UPW744R724R861R860R902W745W743W748W750C841R843R852C852EBDIMMERC844R844R841R842OIGW742W749C842W741EBR996R976R986R987R988R989W763W759R984R985W753CONTROLMULTIR855R999R966W769W805W734W760W762W770R761R978R921R979R121W950C858R856W751W755W704C857W951W764R980WHT R995R994R981R107DISPLAY& MICRO-COMPUTER PCBR115BER846R845C843C778C779R776C777W746W747R105R106R102R101R1