Kenwood-VR-255-Service-Manual电路原理图.pdf

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1、AUDIO VIDEO SURROUND RECEIVERKRF-V5010/V5010E/V5010W/KRF-V6010/V6010E/V6010W/KRF-V7010/V7010E/V7010W/VR-205/207/255/257SERVICE MANUAL1998-4/B51-5425-00 (K/K) 3484ASPEAKERSBBASS BOOSTVIDEO 2/MONITORSOURCEDIRECTLISTEN MODESOUNDSETUPMULTI CONTROLINPUT SELECTORVOLUME CONTROLDOWNUPSTANDBYAV SURROUND RECE

2、IVERON / STANDBYPHONES- ON OFFPOWERPTYTA/NEWSDISPLAYBANDAUTOMEMORYREC OUTPHONOCDMD / TAPEVIDEO 2/MONITORVIDEO 1PLAY INPLAY INPLAY INREC OUTSUBWOOFERLRVIDEO 2SURROUNDFRONTMONITORVIDEO INDVD 5CHINPUTVIDEO OUTFM75GNDAMANTENNACABLE READY (TV)()SYSTEM CONTROLSL16(XS8)SUBWOOFERSURROUNDPRE OUTCENTERCENTER6

3、CH INPUTVIDEO 1VIDEO 2LRCENTER SPEAKER(816)FRONT SPEAKERS(816)+-RAL CSURROUND SPEAKERS(816)FRONT SPEAKERS(816)LR+-+-LRBKENWOOD badge(B43-0302-04)Knob*(K29-)Phone jack*(E11-)Knob*(K29-)Knob*(K29-)Knob*(K27-)Foot*(J02-)Metallic cabinet*(A01-)Phono jack (4Px2)(E63-0172-05)Phono jack(E63-1019-05)Phono j

4、ack(E63-1018-05)Lock terminal board*(E70-)Phono jack(E63-1015-05)Lock terminal board*(E70-)AC outlet*(E03-)AC power cord*(E30-)AC power cord bushing(J42-0083-05)Lock terminal board(E70-0080-05)RF coaxial cable receptacle(E04-0026-05)Front glass*(B10-)Knob*(K29-)Knob*(K29-)* Refer to parts list on pa

5、ge 33.Miniature phone jack(2P)(E11-0347-05)Slide switch(S62-0034-05)Phono jack (3Px2)(E63-1017-05)Phono jack (6P)(E63-0173-05)KRF-V5010(K) COVER( 98.12.9 12:21 yW2Resetting the MicrocomputerIf the microcomputer may malfunction (unit cannot be operated,or shows an erroneous display) if the power cord

6、 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.Unplug the power cord from the wall outlet, then plug itback in while holding down the POWER key

7、.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. Then, while holding down the ON/STANDBY key,press POWER.For U.S.A. and CanadaFor other countr

8、iesRemote controllerParts numberModel nameModel nameDestinationBattery coverA70-1194-05RC-R0607VR-207KP1VR-257K1P2VR-255K1P2KRF-V7010Y1M1A09-0366-08A70-1195-05RC-R0507KRF-V7010X1E1T1KRF-V7010WQ1KRF-V7010EE2A70-1196-05RC-R0307KRF-V6010EKRF-V6010WQ1KRF-V6010EE1KRF-V5010E1T1KRF-V5010WQ1A09-0396-08KRF-V

9、5010EE2A70-1199-05RC-R0407VR-206K2P3KRF-V6010M1X1VR-205KP1KRF-V5010Y1M1X1FM (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-R0507/R0607Remote control unit (1)RC-R0307/R

10、0407Batteries (R06/AA) (2)AUDIOSHIFTMACROTVVIDEOGUIDERECMUTEVOLUMETUNING/SKIPTHEME FAVMENUFUNCTIONSHIFT SETUPINFO ALT AUDTV/SAT/VIDREPEAT RANDOM+100DISPLAYENT+10LISTENMODE SOUNDSUBWOOFER2315648970REMOTE CONTROL UNIT874 CR6BANDP. CALL P . CALLPOWERDISC SKIPA/B +1001230456 + 1 0789VIDEO 1PTY TA/NEWS D

11、ISPLAYMD/TAPE TUNER CD PHONOBASS BOOSTBANDVIDEO2/MON. DVD/6CH INPUT DIRECTSOURCETUNING P.CALLPOWERREMOTE CONTROL UNITRC-R0307AUTOVOLUME UPVOLUME DOWNMULTI CONTROLMUTESOUNDSETUPMODELISTEN UPDOWN CR*Use to adapt the plug on the powercord to the shape of the wall outlet.(Accessory only for regions wher

12、e useis necessary.)KRF-V5010/V6010/V7010/VR-205/206/207/255/2572CONTENTS / ACCESSORIESCONTENTS / ACCESSORIES.2CONTROLS.3DISASSEMBLY FOR REPAIR.5WIRING DIAGRAM.6BLOCK DIAGRAM.7CIRCUIT DESCRIPTION.8ADJUSTMENT.13PC BOARD.14SCHEMATIC DIAGRAM.17EXPLODED VIEW.32PARTS LIST.33SPECIFICATIONS.47ContentsAccess

13、oriesModel name vs remote controllerKRF-V5010(K) COVER( 98.12.9 12:22 yW3KRF-V5010/V6010/V7010/VR-205/206/207/255/257DIMMERP.CALLP.CALL*;FM AMkHz MHz3 STEREODSP BS.DIRECTASPTI.VOL MUTERDSEONPTYTPTANEWSDOWNMIXMONITORPRO LOGICTUNEDMEMO. AUTOST.SSWCRSRLSL735648(*%$#9&SPSPEAKERSMUTE0!ASPEAKERSBBASS BOOS

14、TVIDEO 2/MONITORSOURCEDIRECTLISTEN MODESOUNDSETUPMULTI CONTROLINPUT SELECTORVOLUME CONTROLDOWNUPAV SURROUND RECEIVERPHONESBANDAUTOMEMORYAUTO SOUNDSAP SIGNALMAINSAPSTANDBYON / STANDBY-ON OFFPOWERPOWER STANDBYON / STANDBY21DisplaySpeaker selection indicatorsOutput channel indicatorsAUTO SOUND indicato

15、r(VR-257)Band indicatorsAUTO indicatorMEMO. indicatorST. indicatorTUNED indicator3 STEREO indicatorSTEREO indicator7MEMORY keyUse to store radio stations in the presetmemory.8VOLUME CONTROL knob9PHONES jackUse for headphone listening.0SPEAKERS A keyUse to turn speaker system A on and off.SPEAKERS ke

16、y(VR-205, VR-255, KRF-V5010)Use to turn the speakers on and off.!SPEAKERS B keyUse to turn speaker system B on and off.MUTE key(VR-205, VR-255, KRF-V5010)Use to temporarily mute the sound.BASS BOOST keyUse to select the maximum adjustmentsetting for the low frequency range.About the STANDBY indicato

17、rThis unit has a STANDBYindicator. When the STANDBYindicator is lit, the unit consumes a small amount of power to preserve thememory. This is calledSTANDBY mode. This mode also lets you turn the power ON using the remote control.Frequency display,Input display,Preset channel display,Surround mode di

18、splaySpeaker indicatorMUTE indicatorPRO LOGICindicatorS.DIRECT indicatorMONITOR indicator#VIDEO 2/MONITOR key$SOURCE DIRECT key%LISTEN MODE keyUse to select the listening mode.SOUND keyUse to adjust the sound quality and ambi-ence effects.&SETUP keyUse to select the surround sound settings.*MULTI CO

19、NTROL knobUsed to make a variety of settings.(INPUT SELECTOR knobUse to select the input sources.For U.S.A.and CanadaFor VR-205, VR-255,KRF-V5010For VR-205, VR-255 and KRF-V50101POWER key(For U.S.A. and Canada)Use to turn the power ON/OFF.STANDBY indicator1ON/STANDBY () key(Except for U.S.A. and Can

20、ada)Use to switch the power ON/STANDBYwhen the POWER is turned ON.STANDBY indicator2POWER key(Except for U.S.A. and Canada)3DIMMER keyUse to adjust the brightness of the display.4P.CALL keys (Except for VR-257)Use to call up previously registered radiostations.5BAND keyUse to select the broadcast ba

21、nd.6AUTO keyUse to select the auto tuning mode.For VR-257, please refer toseparate booklet for SAP function.For VR-257DSP indicator3CONTROLSKRF-V5010(K) COVER( 98.12.9 12:22 yW6KRF-V5010/V6010/V7010/VR-205/206/207/255/257DISC SKIPA/B +1001230456+10789VIDEO 1MD/TAPE TUNER CD PHONOBASS BOOSTBANDVIDEO2

22、/MON. DVD/6CH INPUT DIRECTSOURCETUNING P.CALLPOWERREMOTE CONTROL UNITRC-R0407AUTOVOLUME UPVOLUME DOWNMULTI CONTROLMUTESOUNDSETUPMODELISTEN UPDOWNCRCR1234560897!Remote control unit (RC-R0407)2 keyIf tape is selected as the input source, thiskey functions as the play key for side B ofthe cassette (the

23、 side facing away from thefront of the deck).BAND (6) keyIf tuner is selected as the input source, thiskey functions as the band selector key.If CD is selected as the input source, thiskey functions as the play/pause key.If MD is selected as the input source, thiskey functions as the play key.DISC S

24、KIP, A/B, +100 keyIf CD is selected as the input source, thiskey functions as the multi-CD player discskip key.If TAPE is selected as the input source, thiskey is used to switch between the twodecks (A and B) of a double cassettedeck.AUTO keyIf tuner is selected as the input source, thiskey function

25、s as the AUTO key.If CD or MD is selected as the input source,this key functions as the stop key.4 LISTEN MODE keyUse to select the listening mode.5 SOUND keyUse to adjust the sound quality and ambi-ence effects.6 SETUP keyUse to select the surround sound settings.7 POWER keyUse to switch the power

26、ON/STANDBYwhen the POWER is turned ON.8 BASS BOOST keyUse to select the maximum adjustmentsetting for the low frequency range.9 SOURCE DIRECT key0 MUTE keyUse to temporarily mute the sound.! MULTI CONTROL keyUsed to make a variety of settings. VOLUME CONTROL key1 Numeric keysIf CD or MD is selected

27、as the input source,these keys function as numeric keys. Iftuner is selected as the input source, thesekeys are used to call up station presets.2 Input selector keysUse to select the receivers input source.3 Component operation keysUse these keys to operate other compo-nents with system control conn

28、ections tothe receiver.TUNING (1 CR) keysIf tuner is selected as the input source,these keys function as tuning keys.If CD or MD is selected as the input source,these keys function as search keys.P.CALL (4 CR) keysIf tuner is selected as the input source,these keys function as P.CALL keys.If CD or M

29、D is selected as the input source,these keys function as skip keys.4CONTROLS8 FUNCTION SHIFT keyUse in combination with the numeric keysto execute alternate commands.9 Numeric keysProvide functions identical to those of theoriginal remote control supplied with thecomponent you are controlling.To acc

30、ess the functions printed above thekeys, press within 3 seconds of pressingthe FUNCTION SHIFT key. Function avail-ability varies for each component.0 SHIFT keyUse in combination with the AUDIO andVIDEO keys to change the remote controlmode without changing the input selectoror in combination with th

31、e POWER key toturn on and off components programmedinto the remote control.! TV selector keySets the remote control to operate a TV orcable box. This key does not change theinput selector on the receiver. AUDIO selector keySelects the audio inputs and sets the re-mote control to operate the respecti

32、veKENWOOD audio component.If you connect audio components fromKENWOOD and other makers to the MD/TAPE or CD jacks, you can set the remotecontrol to operate these components byregistering the appropriate setup code atthe respective input.# GUIDE keyUse to activate the OSD menu functions ofregistered

33、components.$ VOLUME keyUse to adjust the receiver volume.% MUTE keyUse to temporarily mute the sound. SOUND keyUse to adjust the sound quality and ambi-ence effects.& LISTEN MODE keyUse to select the listening mode.* SETUP keyUse to select the surround sound settings.1 POWER keyUse to turn the recei

34、ver on and off.Use in combination with the input selector(AUDIO, VIDEO, or TV) keys and SHIFTkey to turn various components on and off.2 MACRO keyUse in combination with the AUDIO, VIDEO,or TV keys to execute a series of com-mands automatically (MACRO PLAY).3 VIDEO selector keySelects the video inpu

35、ts and sets the re-mote control to operate the componentregistered at the respective input.4 Multi control keysUse to operate the selected component.5 REC keyUse to operate the selected component.6 TUNING/SKIP keyUse during the setup procedure to specifyvarious settings. Use to operate the tuneror s

36、elected component.7 SUBWOOFER keyUse in combination with the VOLUME +/keys to adjust the volume of the subwoofer.There are some cases in which keys (orknobs) that have the same function onthe receiver and on the remote controlhave different names. In the instruc-tions of this manual, if the names of

37、corresponding keys (or knobs) on thereceiver and remote control are differ-ent, the name of the remote control keyis indicated in parentheses.AUDIOSHIFTMACROTVVIDEOGUIDERECMUTEVOLUMETUNING/SKIPTHEME FAVMENUFUNCTIONSHIFTSETUPINFO ALT AUDTV/SAT/VIDREPEAT RANDOM+100DISPLAYENT+10LISTENMODE SOUNDSUBWOOFE

38、R23156489701237894560!#*&%$874CRCR6BANDP. CALL P. CALLPOWERRemote control unit (RC-R0607, RC-R0507)KRF-V5010(K) COVER( 98.12.9 12:22 yW7KRF-V5010/V6010/V7010/VR-205/206/207/255/2575DISASSEMBLY FOR REPAIR12244433x2x2x3(VR-257)1. Remove the 9 screws (1,2,3),remove the rear panel.2. Connect the GND of

39、the rear paneland the chassis, the GND of themounting hardware and the chassiswith 2 alligators clip (4)KRF-V5010(K) COVER( 98.12.9 12:22 yW8KRF-V5010/V6010/V7010/VR-205/206/207/255/257USED EXCEPTUSED(E,Q,E2) TYPEUSEDUSEDUSEDUSED(X00- ) (D/6)(X09- ) (C/3)DISPLAY UNIT(X09- ) (B/3)(X00-288X-XX) (A/6)U

40、SED EXCEPTKRF-V7010 (T1,E1)KRF-V7010W/E (Q1,E2)USEDUSEDVR-205 (K,P1,K1,P2)VR-255 (K,P1,K1,P2)KRF-V5010 (X1,M1,Y1,T1,E1)KRF-V5010W/E (Q1,E2)VR-207 (K,P1,K2,P3)VR-206 (K,P1,K2,P3)KRF-V6010 (X1,M1,E1)VR-257 (K,P2)KRF-V7010 (X1,M1,Y1,T1,E1)KRF-V7010W/E (Q1,E2)KRF-V6010W/E (Q1,E2)VR-257(K1,P2)(X09-490X-X

41、X) (A/3)USED EXCEPTUSED VR-257(K1,P2)(B/2)(X04- )HTB TV TUNER (SAP) UNIT(X04-1320-10) (A/2)TUNER UNIT(X05-4820-11)KRF-V5010 (M1,Y1)VR-255 (K,P1,K1,P2)VR-205 (K,P1,K1,P2)KRF-V5010W/E (Q1,E2)KRF-V5010 (X1,T1,E1)KRF-V5010/V5010E/5010W/V6010/V6010E/V6010W/V7010/V7010E/V7010W (E)KRF-V7010W/E (Q1,E2)USEDK

42、RF-V7010 (T1,E1)/USED EXCEPT(K,P) TYPE(M,Y) TYPEUSED (M,Y) TYPE(X00- ) (C/6)POWER UNIT(X00- ) (B/6)(X00- ) (E/6)(X00- ) (F/6)KRF-V7010 (M1,Y1)KRF-V6010 (M1)KRF-V7010W/E (Q1,E2)KRF-V7010 (X1,T1,E1)KRF-V6010W/E (Q1,E2)KRF-V6010 (X1,E1)VR-257 (K1,P2)VR-206 (K,P1,K2,P3)VR-207 (K,P1,K2,P3)VR-205/206/207/

43、255/257 (K)MAIN AMP UNIT(X05-482X-XX)TUNER UNIT3-81(Q1,E2) :OUTLETAC(M1) :(X1) :(T1) :(E1) :2-910-210-710-522-72(Y1) :KRF-V7010(E1) : 2-71(E1) : 2-71(T1) : 0-510-71(X1) :0-10VR-206VR-207VR-255VR-205(K,P1,K1,P2,K2,P3) :0-212-910-212-710-71VR-257(Q1,E2) :(X1) :(M1) :(M1) :(Y1) :2-72(Q1,E2) :KRF-V7010W

44、/EKRF-V5010W/EKRF-V6010W/EKRF-V6010KRF-V5010POWER UNIT(X00-288X-XX)(Q1,E2) : 3-83KRF-V7010W/E(Q1,E2) : 3-82KRF-V6010W/E(E1,T1) :0-222-73KRF-V7010(Y1,M1,X1) :(E1) :0-222-72KRF-V6010(M1,X1) :0-11(K,P1,K2,P3) :(K,P1,K1,P2) : 0-10(Y1,M1,X1) :(E1,T1) :(K1,P2) :0-212-710-12(Q1,E2) : 3-81VR-255VR-206VR-205

45、(X09-490X-XX)KRF-V5010VR-257VR-207MAIN AMP UNITKRF-V5010W/E(X05-482X-XX)TUNER UNITKRF-V7010W/EKRF-V6010W/EKRF-V5010W/EVR-207VR-255VR-206(K,P1,K1,P2,K2,P3) : 0-10VR-205KRF-V6010(M1) : 0-21(X1) : 0-71KRF-V7010(T1,E1) : 2-71(X1) :(Q1,E2) :0-212-710-713-81KRF-V5010(Y1,M1) :(E1) :WH52J2HEADPHONEWH51 CN12

46、CN53CN9CN51CN8CN13WH1CN4CN7CN11WH2CN2CN14WH2WH1CN3CN1(TV)CABLE READYJ1CN4 WH3J2WH2E1WH1E2WH1 CN575FMGNDJ1AMCN2CN1CN10CN1J4SWPOWERJ1S1S3S2S4CONTROLSYSTEMJ3A SP.FRONT-+Cch3-Lch2+Rch1-+J11SWchJ91 Cch2 SLchPRE OUT3 SRch4 SWchSURROUNDSP.-+-+3 SLch4 SRchFRONTB SP.J10-+-2 Rch1 LchJ8FRONTA SP.1 Lch-+2 Rch3

47、Cch+-+VIDEO OUTJ6MONITOR OUT 1VIDEO2 2Lch 5Rch 6VIDEO1J2Lch 1Rch 2PLAY INLch 3Rch 4REC OUTMD/TAPEMONITORVIDEO2J7Rch 2PLAY INLch 1Lch 3REC OUTRch 4J1Rch 2Lch 3Lch 1Rch 4PHONOCDJ175FMGNDAMVIDEO INJ56ch INPUT 1VIDEO1 2VIDEO2 3INPUTJ4Cchh 1SLch 2SRch 3J3SWch 1DVD 6CH.Lch 2Rch 3PLAY INT1T1T1T1414111331113131127271331511515661112141412121211511531131151151218151151: AC230V 50Hz: AC240V 50Hz: AC220V 50Hz50/60Hz: AC110-120V/220-240V: AC120V 60Hz(E,T1,E1,E2)(X1)(Q1)(Y1,M1)(K,P1,K1,P2,K2,P3)CN10CN9(F3)(F1)CN6CN5CN7(