Kenwood-KRFV-5020-W-Service-Manual电路原理图.pdf

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1、AUDIO VIDEO SURROUND RECEIVERKRF-V5020/V5020E/V5020W/V5020(S)KRF-V6020/V6020E/V6020W/KRF-V7020/V7020E/V7020W/VR-305/306/355SERVICE MANUAL1998-12/B51-5497-00 (K/K) 3444ASPEAKERSBBASS BOOSTVIDEO 2/MONITORSOURCEDIRECTLISTEN MODESOUNDSETUPMULTI CONTROLINPUT SELECTORVOLUME CONTROLDOWNUPSTANDBYAV SURROUND

2、 RECEIVERON / STANDBYPHONES-ON CROFFPOWERPTYTA/NEWSDISPLAYBANDAUTOMEMORYREC OUTPHONOCDMD / TAPEVIDEO 2/MONITORPLAY INREC OUTPLAY INLRVIDEO 1VIDEO 2FRONTDVD 6CH. INPUTSURROUNDCENTERSUBWOOFERPLAY INVIDEO 1 VIDEO 2 VIDEO OUTVIDEO INMONITORAMANTENNAFM75WGNDCENTERSPEAKERFRONTSPEAKERSCLR+-SUBWOOFERSURROUN

3、DPRE OUTCENTERLRSURROUND SPEAKERSFRONT SPEAKERSAC OUTLETLR+-+-LRB()SYSTEM CONTROLSL16(XS8)Front glass (B10-3425-02)AC power cord*(E30-)Phono jack*(E63-)Phono jack*(E63-)Phono jack(3Px2)*(E63-)Phono jack*(E63-)Phono jack(4Px2)*(E63-)Power cord bushing(J42-0083-05)AC outlet*(E03-)Phone jack*(E11-)Knob

4、* (K27-)Knob*(K29-)Knob* (K29-)Foot*(J02-)Phono jack(E63-0114-05)Lock terminal board*(E70-)Lock terminal board*(E70-)Lock terminal board*(E70-)Metallic cabinet*(A01-)KENWOOD badge (B43-0302-04)Miniature phone jack* (2P)(E11-)Slide switch(S62-0034-04)Knob*(K29-)Knob*(K29-)Knob*(K29-)Illustration is K

5、RF-V5020.* Refer to parts list on page 23.On the Block diagram, backup data, Initial state and system microprocessor, refer to the KRF-V5010 service manual (B51-5425-00)Remote ControllerModelDestinationsParts numberModel nameBattery CoverKRF-V5020I5, M5, X5, Y5A70-1264-05RC-R0711A09-1123-08KRF-V5020

6、E1A70-1265-05RC-R0710A09-1123-08KRF-V5020T5A70-1265-05RC-R0710A09-1123-08KRF-V5020(S)E2A70-1265-05RC-R0710A09-1123-08KRF-V5020EE3A70-1265-05RC-R0710A09-1123-08KRF-V5020WQ5A70-1265-05RC-R0710A09-1123-08KRF-V6020C6, I6, M6, X6A70-1264-05RC-R0711A09-1123-08KRF-V6020E4A70-1275-05RC-R0508A09-0366-08KRF-V

7、6020EE5A70-1265-05RC-R0710A09-1123-08KRF-V6020WQ6A70-1265-05RC-R0710A09-1123-08KRF-V7020E7, T7A70-1275-05RC-R0508A09-0366-08KRF-V7020EE8A70-1275-05RC-R0508A09-0366-08KRF-V7020WQ7A70-1275-05RC-R0508A09-0366-08VR-305K2, P2A70-1264-05RC-R0711A09-1123-08VR-306K1, P1A70-1264-05RC-R0711A09-1123-08VR-355K3

8、, P3A70-1271-05RC-R0608A09-0366-08FM (T90-0836-05)indoor antenna AC plug adaptor (1)(E03-0115-05)(1)Loop antenna stand (1)AM loop antenna (1) (T90-0833-05)(J19-3645-05)Batteries (R03/AAA) (4)Remote control unit (1)RC-R0508/R0608Remote control unit (1)RC-R0710/R0711Batteries (R06/AA) (2)AUDIOSHIFTMAC

9、ROTVVIDEOGUIDERECMUTEVOLUMETUNING/SKIPTHEME FAVMENUFUNCTIONSHIFT SETUPINFO ALT AUDTV/SAT/VIDREPEAT RANDOM+100DISPLAYENT+10LISTENMODE SOUNDSUBWOOFER2315648970REMOTE CONTROL UNIT874 6BANDP. CALL P. CALLPOWER*Use to adapt the plug on the powercord to the shape of the wall outlet.(Accessory only for reg

10、ions where useis necessary.)KRF-V5020/V6020/V7020/VR-305/306/3552CONTENTS / ACCESSORIESCONTENTS / ACCESSORIES.2DISASSEMBLY FOR REPAIR.3ADJUSTMENT.4WIRING DIAGRAM.5PC BOARD.6SCHEMATIC DIAGRAM.9EXPLODED VIEW.22PARTS LIST.23SPECIFICATIONS.35ContentsAccessoriesResetting the MicrocomputerIf the microcomp

11、uter may malfunction (unit cannot be operated,or shows an erroneous display) if the power cord is unpluggedwhile the power is ON, or due to some other external factor. If thishappens, execute the following procedure to reset the micro-computer and return the unit to its normal operating condition.Un

12、plug the power cord from the wall outlet, then plug itback in while holding down the POWER 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 left thefactory. With the power cord plugged in, turn the POWER keyOFF.

13、 Then, while holding down the ON/STANDBY key,press POWER.For U.S.A. and CanadaFor other countriesModel name vs remote controllerKRF-V5020/V6020/V7020/VR-305/306/3553DISASSEMBLY FOR REPAIR1224443x2x2x2x21. Remove the 8 screws (1,2,3),remove the rear panel.2. Connect the GND of the rear paneland the c

14、hassis, the GND of themounting hardware and the chassiswith 2 alligators clip (4)KRF-V5020/V6020/V7020/VR-305/306/3554ADJUSTMENTNo.ITEMINPUT SETTINGSOUTPUTSETTINGSRECEIVERSETTINGSALIGNMENTPOINTSALIGN FORFIG.1DISTORTION(STEREO)(C)98.0MHz 1kHz, 68.25kHz dev. Selector: L or R Pilot : 6.75kHzdev. 70dBf

15、(ANT. input)(B)98.0MHzIFT (TUNERUNIT: A1)Minimum distortion(L or R)2TUNING LEVEL(A)98.0MHz MONO 1kHz, 75kHz dev. 25dBf (ANT. input)(B)MONO98.0MHzVR1(TUNER UNIT)Adjust VR1 andstop at the pointwhere ED51(TUNED) goes on.1DISCRIMINATOR(A)98.0MHz 1kHz, 40kHz dev. Connect a DCvoltmeterbetween CN21and CN2

16、2(TUNER UNIT)MONO98.0MHzL4(TUNER UNIT)0V3DISTORTION(STEREO)98.0MHz(C) 1kHz, 40kHz dev. Selector : L or R Pilot : 6kHz dev. 70dBf (ANT. input)(B)AUTO98.0MHzIFT(TUNERUNIT : A1)Minimum distortion(L or R)2DISTORTION(MONO)(A)98.0MHz 1kHz, 40kHz dev. MONO 70dBf (ANT. input)(B)MONO98.0MHzL5 (TUNER UNIT)Min

17、imum distortion4TUNING LEVEL(A)98.0MHz MONO 1kHz, 40kHz dev. 29dBf (ANT. input)(B)MONO98.0MHzVR1 (TUNER UNIT)Adjust VR1 andstop at the pointwhere ED51(TUNED) goes on.FM SECTION : EXCEPT E,T,Q type SELECTOR : FMFM SECTION : E,T,Q type only SELECTOR : FM Adjust NO.1 and NO.2 repeat.70dBf (ANT. input)R

18、EC OUTPHONOCDMD / TAPEVIDEO 2/MONITORPLAY INREC OUTPLAY INLRVIDEO 1VIDEO 2FRONTDVD 6CH. INPUTSURROUNDCENTERSUBWOOFERPLAY INVIDEO 1 VIDEO 2 VIDEO OUTVIDEO INMONITORAMANTENNAFM75WGNDCENTERSPEAKERFRONTSPEAKERSCLR+-SUBWOOFERSURROUNDPRE OUTCENTERLRSURROUND SPEAKERSFRONT SPEAKERSAC OUTLETLR+-+-LRB()SYSTEM

19、 CONTROLSL16(XS8)(A)(B)(C)FM SGFM SGTV SGAGMPXHTBTV MPXAGAGAC voltmeterOscilloscopeDistortion meterDummy antenna(D)SYSTEM CONNECTIONS15115121XS8SL16SBUSYSDATA27 2711(K,P)(Y,M,I)(Q,C,V)(X)(E,T): AC120V 60Hz: AC110-120V/220-240V50/60Hz: AC220V 50Hz: AC240V 50Hz: AC230V 50Hz21F2F1F3120V110-240V220-5111

20、443113 131131 1312155121113315151441CHASSIS3166111128CN1 CN10GND J1AMFM75S1POWERSWWH1SRch4+-3 SLch-+2 Rch+-1 Lch-+J10FRONTSP. ASP.SURROUNDS4SYSTEMCONTROLSWJ3SYSTEMCONTROLLch 1Rch 2PHONOJ1CN8 CN51WH51CN12CN1J1ACOUTLETUSED(MY,I) TYPE(E,E2,Q) TYPEUSEDT1S2S3CN11DESTINATIONU.K.EUROPECOUNTRYT7E72-71UNIT N

21、o.ABB.UNIT No.KRF-V7020 (X05-4982-71)COUNTRYRUSSIA Q5ABB.3-81DESTINATIONKRF-V5020W (X05-4983-81)EUROPE E3 2-71ABB.COUNTRYDESTINATIONKRF-V5020E (X05-4982-71)COUNTRYUNIT No.ABB.GENERAL MARKETEUROPEU.K.AUSTRALIAT5E12-71M5X50-220-71CANADA P3KRF-V5020 (X05-498X-XX)DESTINATIONUNIT No.DESTINATIONVR-355 (X0

22、5-5050-10)COUNTRYU.S.A.UNIT No.ABB.K30-10WH52CN9 CN53WH1 CN13CN2CN4CN7CN3J1LchRchVIDEOVIDEO1(FRONT)CN1CN11 CN12CN2S1CDRch 4Lch 3Rch 4PLAY INLch 3REC OUTRch 2Lch 1J7VIDEO2MONITORTAPEPLAY INRch 4Lch 3MD/REC OUTRch 2Lch 1J2Rch 6Lch 5VIDEO1PLAY INRch 3DVD 6CH.INPUTLch 2SWch 1J3Cch 1SRch 3SLch 2J4VIDEO2I

23、NPUTVIDEO1J56ch1VIDEOINOUTOUTVIDEOVIDEO2J6MONITOR1REC2PLAYPLAY32+-Cch3SP. AFRONT+J8-+Rch2-Lch1CchFLchFRchJ4CN14WH2HEADPHONESRchSWchSLchCchREC OUTJ91234PX Y5MALAYSIA I5KRF-V5020(S) (X05-4982-71)EUROPECOUNTRYDESTINATIONUNIT No.E2ABB.2-71I6MALAYSIA0-712-71AUSTRALIAEUROPE E4X60-22UNIT No.KRF-V6020 (X05-

24、498X-XX)GENERAL MARKETCHINACOUNTRYDESTINATIONM6C6ABB.KRF-V6020E (X05-4982-71)EUROPECOUNTRYDESTINATIONUNIT No.E5ABB.2-71DESTINATIONRUSSIACOUNTRYUNIT No.Q6ABB.3-81KRF-V6020W (X05-4983-81)KRF-V7020E (X05-4982-71)KRF-V7020W (X05-4983-81)DESTINATIONCOUNTRYRUSSIAEUROPECOUNTRYDESTINATIONUNIT No.UNIT No.Q7A

25、BB.3-81E8ABB.2-712-70UNIT No.2-702-70UNIT No.UNIT No.3-81DESTINATIONCOUNTRYRUSSIA Q5ABB.KRF-V5020(S) (X09-6242-70)KRF-V5020E (X09-6242-70)KRF-V5020W (X09-6243-81)EUROPEDESTINATIONCOUNTRYE3ABB.COUNTRYDESTINATIONEUROPEU.K.EUROPEABB.E2T5E1DESTINATIONCOUNTRYRUSSIAUNIT No.Q7ABB.3-81KRF-V7020 (X09-6262-70

26、)KRF-V7020W (X09-6263-81)KRF-V7020E (X09-6262-70)EUROPEDESTINATIONCOUNTRYDESTINATIONCOUNTRYEUROPEU.K.RUSSIAUNIT No.E8 2-70ABB.UNIT No.T7E7ABB.2-70Q6 3-82VR-355 (X09-6300-11)0-11UNIT No.UNIT No.0-21GENERAL MARKETKRF-V5020 (X09-624X-XX)MALAYSIAPXAUSTRALIADESTINATIONCOUNTRYI5X5M5Y5ABB.CANADAU.S.A.COUNT

27、RYDESTINATIONK3P3ABB.UNIT No.KRF-V6020W (X09-6243-82)KRF-V6020E (X09-6242-71)DESTINATIONCOUNTRYCOUNTRYDESTINATIONEUROPEGENERAL MARKETEUROPEAUSTRALIACHINACOUNTRYMALAYSIAUNIT No.UNIT No.ABB.ABB.E5 2-71E4X62-71C6I6ABB.M60-22KRF-V6020 (X09-624X-XX)DESTINATIONUNIT No.0-10VR-306 (X09-6300-10)DESTINATIONCO

28、UNTRYU.S.A.CANADAK1P1ABB.0-51UNIT No.2-702-70UNIT No.UNIT No.2-70DESTINATIONCOUNTRYRUSSIA Q5ABB.KRF-V5020E (X00-2902-70)KRF-V5020(S) (X00-2902-70)KRF-V5020W (X00-2902-70)EUROPEDESTINATIONCOUNTRYE2ABB.COUNTRYDESTINATIONEUROPEU.K.EUROPEABB.E3T5E1KRF-V7020 (X00-290X-XX)DESTINATIONEUROPECOUNTRYU.K.RUSSI

29、AUNIT No.E7T7ABB.0-52Q6 2-71VR-355 (X00-2880-10)0-10UNIT No.UNIT No.2-910-71GENERAL MARKETKRF-V5020 (X00-290X-XX)MALAYSIAPXAUSTRALIADESTINATIONCOUNTRYI5X5M5Y5ABB.CANADAU.S.A.COUNTRYDESTINATIONK3P3ABB.UNIT No.KRF-V6020W (X00-2902-71)KRF-V6020E (X00-2902-71).V6DESTINATIONCOUNTRYCOUNTRYDESTINATIONEUROP

30、EGENERAL MARKETEUROPEAUSTRALIACHINACOUNTRYMALAYSIAUNIT No.UNIT No.ABB.ABB.E5 2-71E4X62-713-02C6I6ABB.M60-22KRF-V6020 (X00-290X-XX)DESTINATION0-212-700-722-71ANTJ10SRch4+SURROUND3-+-SP.SLchSWchJ11WH1WH2CN2CN1VR-305 (X09-6300-11)CANADAU.S.A.COUNTRYDESTINATIONK2P20-11UNIT No.ABB.U.S.A.COUNTRYVR-306 (X0

31、5-5050-10)DESTINATIONCANADAK1P1ABB.0-10UNIT No.CANADADESTINATIONVR-305 (X05-5050-10)COUNTRYU.S.A.P2ABB.K2UNIT No.0-10VR-306 (X00-2880-10)UNIT No.DESTINATIONCOUNTRYU.S.A.CANADAK1P1ABB.0-10VR-305 (X00-2880-10)UNIT No.CANADAU.S.A.COUNTRYDESTINATIONP2ABB.K20-10KRF-V7020E (X00-2902-71)KRF-V7020W (X00-290

32、2-71)UNIT No.UNIT No.Q7COUNTRYDESTINATIONRUSSIAEUROPEDESTINATIONCOUNTRYABB.2-71E8ABB.2-71J2TUNER UNIT(X05-5050-10)(X00- ) (B/6)USED EXCEPT (K,P) TYPE(X09-624X-XX) (A/3)(X09- ) (B/3)DISPLAY UNITAUDIO UNIT(X09- ) (C/3) (X00- ) (D/6)(X00- ) (C/6)USED EXCEPT (M,Y,I) TYPEUSED (M,Y,I) TYPEVR-305/306/355(X

33、00- ) (E/6)(X00-290X-XX) (A/6)(X00-2890-10) (A/6).V6(X05-498X-XX)(X05-5062-11).V6(X25-6222-70)SUB-CIRCUIT UNIT(X00- )(F/6)KRF-V7020/V7020E/V7020W(X09-630X-XX) (A/3)(X09-6352-10) (A/3).V6(K,P,M,I,X,Y,C) TYPEUSED(E,E2,T,Q) TYPEUSEDKRF-V6020/E/WUSEDKRF-V7020/E/WKRF-V5020/(S)/E/WVR-305/306/355USEDKRF-V7

34、020/E/WKRF-V6020/E/WUSEDUSEDUSED EXCEPT KRF-V5020/E/W(X00-2880-10) (A/6)POWER SUPPLY UNITPOWERTRANSFORMERKRF-V5020/(S)/E/WKRF-V6020/E/WKRF-V7020/E/WKRF-V5020/V6020/V7020/VR-305/306/3555WIRING DIAGRAMABDCE2 1357 46Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Compo

35、nent side view)R70R40C53SL16XS8120V240V120V240VALLSWC13C14C21C22C11C10C25C8C24C23C5C6C7R2R4R3R1SDATASGND BUSYGND-H.P.X00 D/6X00 E/6X00 B/6X00 C/6F2F1F3X00 F/6X00-2902-70/X00-2880-10/X00-2890-10 (A/6)C4R5W5C9K1C26T1W3W2R6W4W1BE1 5161 221141 3EB13CONTROLSYSTEMFRONTSPEAKERSSPEAKERCENTERLRCPHONESPOWER2

36、1151 2AC110-120V240VAC220-AC110-120V240VAC220-AC OUTLETD4D3D1D2 Q2CN7CN6 CN5CN8CN10 CN9Q1D7D9D6P1+5V A.V .RE1CN12CN11WH2J3CN13S4S1WH1D8CN14CN2CN1CN3CN4J1D5WH2D11D10J4P.T.F . OFFACJ2P2S2 S3OFFONW5W6W7W4W19W22W21W20W14W17W10W1W3(W)(G)AM RFVTPLLFM IFAM STEREOFM DET MPXVrefTUNEDFMMPX.FIL.T.METERC17W24C2

37、8C38C29C37W9W16VR1CF1CF2C10W13W23CF3L9L2R50R44R71C49C46C72C32C14C15C67C55W25L3C62C66C65W8W11W15L1C73C7R81C27C16C19C21C23L6L7C48R41L4R77R61C59R2X2X1111221211511 816302151E1CN1D6A1IC1D4D3D9D5IC2CN2J1S1CH. SPACEDE-EMPHASISANTENNAX05-4980-10/X05-5050-10/X05-5062-11C69D16R90W86R80R82R12C77R60R59R58W52C86

38、EBEBD7D13Q14Q15C88R89C87R43C6C78C75C11C39C42C52C47C50C51C43C44R55R56R53 R54R57R51R52R49R42R11R1R7C76R83R88D1C84C35R32/W60C8C36W85C5C1C2C3C82C12C25C26C24C41C40C30C22C18C20R14R15R16R10R4R5R8R9R6R35R23R28R25R27C31C79W51W80R85C85R86R87EBEB Q2Q1D11C92C93C91C89C83R29R48R34R33R84R79R47W84R45R46R31R36W62R64

39、R65R30C80C34C33R37EBEBEBQ3Q4Q7C68W2L5C54R75C90C58C56C57C61C60R66R63R62R69R67R68R18R19R20C63W59W81C81C45W56R17R39R38R76W83R74R78W61W55R72C71R73C70W82C64W5416918EBEBEBEBEBEBQ11Q10IC3Q9Q8Q12Q6D86LLSRSSWW401W402W403W404W405W510C177W196W212R134W509C197W165 W164R274W511W507W508C412C155W72C230C231C226C206C

40、158R418C411W187W157C309W202W190R266W109W82W51W48W175R267W76W60R265R269W88W49W206W35W208W42W40W78W191W186W174W177W188W200W162W163W195W193W184W180W311W156W119W182W181W139W108W68W63W214W223R270W166W178W149W173W101W27W50W130W136W134W154W147W197W215W104W141 W150W140W146W122W179W138W128W102W132W142W94W155

41、W129W145W153W135W80W99W126W30W218W133W89W97W237W144W158W160W73W66 W65W137W169W217W114W106W81W67W53W71W52W74W86W93W95W236W92W124W123W39W194W115W151W167W148W125W183W219W240W105W226W235W229W233W234C281W58C361W57R121R120R352W87W110R608W176R607W79W700W239W238W230W228W227C16C15C55C56W54C315C314L3C250R220R

42、216C232R239W75R215C248W100W45C247W3R240C119C120W111 R211C227R135K3K4K1K2C304C305C307C306W85R325W96R54R323R228W77C249R257C8R64R65W121W192W112W118R139R141C3C7C4R63C18C14C13C17C11C12R12R11R8R7R10R9R16W185W62W159R15W170C46C45C52C51R55W131W103W113W91L1L2W69C308R140R142R212C62C63C61C99C98C93 C94C116C114C1

43、17C111C115C118C100C106C101C113C112C107C109C108L4R351C182 C181L5W117C400W47W220R91R66R92W98R110R300W46R362C138C221C219C220C218R213C131C128C134R109C194C205C193C327C203C204C214C326R155R156C127C133C132C240C238C239C237R236W319R172R171C351C236C241R187R361W127C300R188C352C130C178C302C148R95C151C157C156C152

44、R108C137C147C146C174C173C172W64C171C330C229R234R227R258R249R241R242R106R105R107C228R278C122R104R103C278C277C279C280R94R308R310R322C316R309C225C224R214C215C320R318C269C268R93C139C317R58C175C360W222W56C129C350C359C362C363W143W84W168R402CRP22 181OIGOIGBEBBBBBBBBBBEEEEEEEEEEBB BBBBBE EEEEEBE511312612211

45、3127115X11135EQ17Q19Q5Q2D40Q15Q8Q7Q6Q9Q4D39Q3Q1Q11D11P1D32WH2CN11CN12Q29D31D24CN9IC2J2D531CN10J9J10IC4J5J4J8J3Q30IC3IC1J6CN1Q18D3D4D5D6Q16CN8D7WH4D25D10Q10J1Q31D13D12D8J7J11CN2D38D37WH1D14CN7D56D15WH4EQ AMPPOWER SUPPLYE. VOLX09-6242-70/X09-6352-10 (A/3)DOLBY PROLOGICPOWER AMPSURROUND SPEAKERSLRSPEAK

46、ERSURROUNDCENTER SPEAKER FRONTCRLREC OUTCENTER SUB WOOFER6CH. INPUTVIDEO2VIDEO1MONITORVIDEO2SURROUNDCENTERVIDEO INVIDEO OUTSUB WOOFERFRONTINPUT DVD 6CH.PLA Y INPLA Y INREC OUTPLA Y INREC OUTCDPHONOVIDEO1MONITOR VIDEO2/MD/TAPEX25-6222-70(J70-1296-01)S1C11315J1CN1CN2WH1VIDEO2/MONITORSP APOWERPOWERCONT

47、 VOLP.CALLSOUNDCONT SELCONT MULTISET UPRDSDISPMEMORYAUTOBANDDIMMERTA/NEWSPTYP.CALLBASSBOOSTS.DIRECTLISTENSP BC539W199C536C543C502C517C509C507W28R576C503C535W1R503W172R575R534W203W204W205W207W32C526R557R510C506R586R523C530C523C529C508C516C510C515C512C505C513C520C519C521C524L502L501R547R548R544R549R55

48、1R553 R554R550R543R540R539R542R541R535R555R574R573R578R581R569R564R512R513R511R516R502R521R509R579R563R558R526R538R561R533R531R527R537R532R559R562R560R567R572R571R566C501R585R517R522W15R605 R604W211C537W210W152C525W25W161W221W55W24W12W29R508R507R506R505W16W9W14W22W20W21W11W17W18W19W13W2W7W8W43W10W6 W5R518W209W4W23C534W189ED51X501X502C