Kenwood-KRFVR257-avr-sm 维修电路原理图.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 MANUAL 1998-4/B51-5425-00 (K/K) 3484ASPEAKERSBBASS BOOSTVIDEO 2/MONITORSOURCEDIRECTLISTEN MODESOUNDSETUPMULTI CONTROLINPUT SELECTORVOLUME CONTROLDOWNUPSTANDBYAV SURROUND REC

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

3、6CH 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

4、jack(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 p

5、age 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 yW 2RadioFans.CN 收音机爱 好者资料库Resetting the MicrocomputerIf the microcomputer may malfunction (unit cannot be operated,or shows an erroneous d

6、isplay) 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.Unplug the power cord from the wall outlet, then plug itback in while h

7、olding 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. Then, while holding down the ON/STANDBY key,press POWER.For U.S.A. a

8、nd CanadaFor other countries Remote 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-V5010E1T1KR

9、F-V5010WQ1A09-0396-08KRF-V5010EE2A70-1199-05RC-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

10、control unit (1)RC-R0307/R0407Batteries (R06/AA) (2)AUDIOSHIFTMACROTVVIDEOGUIDERECMUTEVOLUMETUNING/SKIPTHEMEFAVMENUFUNCTIONSHIFTSETUPINFOALT AUDTV/SAT/VIDREPEATRANDOM+100DISPLAYENT+10LISTENMODESOUNDSUBWOOFER2315648970REMOTE CONTROL UNIT874?6BANDP. CALLP. CALLPOWERDISC SKIPA/B +1001230456+10789VIDEO

11、1PTYTA/NEWSDISPLAYMD/TAPETUNERCDPHONOBASS BOOSTBANDVIDEO2/MON. DVD/6CH INPUTDIRECTSOURCETUNINGP.CALLPOWERREMOTE CONTROL UNITRC-R0307AUTOVOLUME UPVOLUME DOWNMULTI CONTROLMUTESOUNDSETUPMODELISTEN UPDOWN?*Use to adapt the plug on the powercord to the shape of the wall outlet.(Accessory only for regions

12、 where 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 .47C

13、ontentsAccessoriesModel name vs remote controllerKRF-V5010(K) COVER( 98.12.9 12:22 yW 3RadioFans.CN 收音机爱 好者资料库KRF-V5010/V6010/V7010/VR-205/206/207/255/257DIMMERP.CALLP.CALL* *;FM AMkHzMHz3 STEREODSP BS.DIRECTASPTI.VOL MUTERDS EON PTYTPTA NEWSDOWNMIXMONITORPRO LOGICTUNEDMEMO.AUTOST.SSWCRSRLSL735 648(

14、*%$#9&SPSPEAKERSMUTE0 !ASPEAKERSBBASS BOOSTVIDEO 2/MONITORSOURCEDIRECTLISTEN MODESOUNDSETUPMULTI CONTROLINPUT SELECTORVOLUME CONTROLDOWNUPAV SURROUND RECEIVERPHONESBANDAUTOMEMORYAUTO SOUNDSAP SIGNALMAINSAPSTANDBYON / STANDBY- ON OFFPOWERPOWERSTANDBYON / STANDBY21DisplaySpeaker selection indicatorsOu

15、tput channel indicatorsAUTO SOUND indicator(VR-257)Band indicatorsAUTO indicatorMEMO. indicatorST. indicatorTUNED indicator3 STEREO indicatorSTEREO indicator7 MEMORY keyUse to store radio stations in the presetmemory.8 VOLUME CONTROL knob9 PHONES jackUse for headphone listening.0 SPEAKERS A keyUse t

16、o turn speaker system A on and off.SPEAKERS key(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 th

17、e low frequency range.About the STANDBY indicatorThis unit has a STANDBY indicator. When the STANDBY indicator is lit, the unit consumes a small amount of power to preserve the memory. This is calledSTANDBY mode. This mode also lets you turn the power ON using the remote control.Frequency display,In

18、put display,Preset channel display,Surround mode displaySpeaker 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.& SETU

19、P keyUse to select the surround sound settings.* MULTI CONTROL 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-V50101 POWER key(For U.S.A. and Canada)Use to turn the power ON/OFF.ST

20、ANDBY indicator1 ON/STANDBY () key(Except for U.S.A. and Canada)Use to switch the power ON/STANDBYwhen the POWER is turned ON.STANDBY indicator2 POWER key(Except for U.S.A. and Canada)3 DIMMER keyUse to adjust the brightness of the display.4 P.CALL keys (Except for VR-257)Use to call up previously r

21、egistered radiostations.5 BAND keyUse to select the broadcast band.6 AUTO 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 yW 6KRF-V5010/V6010/V7010/VR-205/206/207/255/257DISC SKIPA/B

22、+1001230456+10789VIDEO 1MD/TAPETUNERCDPHONOBASS BOOSTBANDVIDEO2/MON. DVD/6CH INPUTDIRECTSOURCETUNINGP.CALLPOWERREMOTE CONTROL UNITRC-R0407AUTOVOLUME UPVOLUME DOWNMULTI CONTROLMUTESOUNDSETUPMODELISTEN UPDOWN?1234560897!Remote control unit (RC-R0407)2 keyIf tape is selected as the input source, thiske

23、y functions as the play key for side B ofthe cassette (the 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

24、the input source, thiskey functions as the play key.DISC SKIP, 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 key

25、If tuner is selected as the input source, thiskey functions 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 s

26、urround sound settings.7 POWER keyUse to switch the power 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

27、. VOLUME CONTROL key1 Numeric keysIf CD or MD is selected 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

28、keys to operate other compo-nents with system control connections tothe receiver.TUNING (1 ?) 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 ?) keysIf tuner is selected as the in

29、put source,these keys function as P.CALL keys.If CD or MD 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 contr

30、ol supplied with thecomponent you are controlling.To access 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 with

31、out changing the input selectoror in combination with the 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 inp

32、uts and sets the re-mote control to operate the respectiveKENWOOD 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

33、 keyUse to activate the OSD menu functions ofregistered 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

34、surround sound settings.1 POWER keyUse to turn the receiver 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

35、 (MACRO PLAY).3 VIDEO selector keySelects the video inputs 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

36、to specifyvarious settings. Use to operate the tuneror selected 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 nam

37、es. In the instruc-tions of this manual, if the names ofcorresponding keys (or knobs) on thereceiver and remote control are differ-ent, the name of the remote control keyis indicated in parentheses.AUDIOSHIFTMACROTVVIDEOGUIDERECMUTEVOLUMETUNING/SKIPTHEMEFAVMENUFUNCTIONSHIFTSETUPINFOALT AUDTV/SAT/VID

38、REPEATRANDOM+100DISPLAYENT+10LISTENMODESOUNDSUBWOOFER23156489701237894560!#*&%$874?6BANDP. CALLP. CALLPOWERRemote control unit (RC-R0607, RC-R0507)KRF-V5010(K) COVER( 98.12.9 12:22 yW 7KRF-V5010/V6010/V7010/VR-205/206/207/255/2575DISASSEMBLY FOR REPAIR12244433x2x2x3(VR-257)1. Remove the 9 screws (1,

39、2,3),remove the rear panel.2. Connect the GND of 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 yW 8KRF-V5010/V6010/V7010/VR-205/206/207/255/257USED EXCEPTUSED(E,Q,E2) TYPEUSEDUSEDUSEDUSED(X00- ) (D/6)(X09- )

40、(C/3)DISPLAY UNIT(X09- ) (B/3)(X00-288X-XX) (A/6)USED 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 (

41、Q1,E2)KRF-V6010W/E (Q1,E2)VR-257(K1,P2)(X09-490X-XX) (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/V6010

42、W/V7010/V7010E/V7010W (E)KRF-V7010W/E (Q1,E2)USEDKRF-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-

43、206 (K,P1,K2,P3)VR-207 (K,P1,K2,P3)VR-205/206/207/255/257 (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

44、) :(X1) :(M1) :(M1) :(Y1) :2-72(Q1,E2) :KRF-V7010W/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

45、,P2) :0-212-710-12(Q1,E2) : 3-81VR-255VR-206VR-205(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-

46、81KRF-V5010(Y1,M1) :(E1) :WH52J2HEADPHONEWH51CN12CN53CN9CN51CN8CN13WH1CN4CN7CN11WH2CN2CN14WH2WH1CN3CN1(TV)CABLE READYJ1CN4WH3J2WH2E1WH1E2WH1CN575FMGNDJ1AMCN2CN1CN10CN1J4SWPOWERJ1S1S3S2S4CONTROLSYSTEMJ3A SP.FRONT-+Cch3-Lch2+Rch1-+J11SWchJ91 Cch2 SLchPRE OUT3 SRch4 SWchSURROUNDSP.-+-+3 SLch4 SRchFRONT

47、B SP.J10-+-2 Rch1 LchJ8FRONTA SP.1 Lch-+2 Rch3 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 3J3SWc

48、h 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(F2)CN8120V240VSL16XS8XS8SL16SDATASBUSYHOTC

49、OLDBRNREDPOWER TRANSFORMERORGREDBLKORGGRYREDBRNPOWER TRANSFORMERHOTCOLDBLKREDORGGRYORGREDPOWER TRANSFORMERBLUBRNHOTREDCOLDBLKORGBLUORGGRYORGGRYBLKORGREDBLUBRNBLUREDPOWER TRANSFORMERHOTCOLDVVVVVVVVVVVVVVVVVVVVVVVVVVVVV6WIRING DIAGRAMKRF-V5010(K) COVER( 98.12.9 12:22 yW 9KRF-V5010/V6010/V7010/VR-205/2

50、06/207/255/257VR-205(X09)(X00)(X14)SLRCLSRSSWLL(BYPASS)RLC+SWRSLSCRLR(BYPASS)R14.1V/4KRF-V5010 (EXCEPT M)20V/8VR-205,KRF-V5010(M)PHONO EQVR-257HTB TV(X04)BUFFERLINEIC16IC1IC2Q31-30V AVRD32D31ED1SWITCHEDIC51C, SL, SRchPRE OUTPUTSWch1V/2.2K2V/2.2KQ1T1K1S128.3V/820V/4KRF-V6010(M)/V7010(M)KRF-V7010 (EXC