Kenwood-KRV9090-avr-sm 维修电路原理图.pdf

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1、TAPE/MDCDPHONOPLAYINRECOUTVIDEO1VIDEO3VIDEO2PLAYINPLAYINPLAYINRECOUTADAPTORINOUTAUDIOSL 16 XS 8SUBWOOFERSURROUNDFRONTCENTERLRAUX.6CH.INPUTSYSTEM CONTROLSIGNALGNDLRFull Digital DecodingTRAITRthermally reactive advanced instantaneous transistor AUDIOVIDEO SURROUND RECEIVER 1070VRPHONESPOWER1234567890S

2、TANDBYMUTELEVEL INDICATORDIRECT MEMORY AUTOTUNINGBANDBASSTREBLELEVEL CONTROLSPEAKERSABPRO LOGIC3 STEREOSTEREODSPLOUDNESSSOURCE DIRECTDIMMERCENTER MODEINPUT SELECTORVOLUME CONTROLVIDEOON/STANDBYDOWNUPAV AUXL - AUDIO - RMUTE+10D GECODINF LULL DIGITASlide switch(S31-2132-05)Phono jack(E63-0141-15)Phono

3、 jack(E63-0139-15)Miniature phone jack(E11-0293-05)Screw terminal board(E70-0049-05)Slide switch(S62-0034-05)Lock terminal board(E70-0065-05)Phono jack(E63-0135-15)Phono jack(E63-0163-05)Phono jack(E63-0111-05)Metallic cabinet(A01-3269-11)AC outlet *(E03-)AC power cord *(E30-)Power cord bushing(J42-

4、0083-05)Knob(BUTTON) *(K27-2176-04)Knob *(K29-)Panel *(A60-)Phone jack(E63-1002-05)Front glass *(B10-)Knob(K29-6247-04)Phone jack(E11-0272-05)Phono jack(E63-1005-05)Lock terminal board(E70-0052-05)AUDIO VIDEO SURROUND RECEIVERKR-V8090/KR-V90901060VR/1070VRSERVICE MANUAL 1997-6/B51-5322-00 (K/K) 3145

5、 Illustration is 1070VR.* Refer to parts list on page 36.KENWOOD badge *(B43 -0302-04)RadioFans.CN 收音机爱 好者资料库1060VR/1070VR/KR-V8090/KR-V90902FM indoor antenna .(1)(T90-0810-05)AM loop antenna .(1) (T90-0820-05) Loop antenna stand (1)(J19-3645-05)Remote control unit .(1)(A70-1118-05): RC-R0805RF DEMO

6、DULATOR.(1)(DEM-999D)AC adapter .(1)(E03-0115-05)AUDIOSHIFTMACROTVVIDEOGUIDERECMUTEVOLUMETUNING/SKIPTHEMEFAVMENUFUNCTIONSHIFTSETUPINFOALT AUDTV/SAT/VIDREPEATRANDOM+100DISPLAYENT+10LISTENMODESOUNDSUBWOOFER2315648970REMOTE CONTROL UNITRC-R08058746BANDP. CALLP. CALLPOWERM type onlyM,C,T type onlyBatter

7、y cover(A09-0366-08)CONTENTS / ACCESSORIESContentsCONTENTS / ACCESSORIES .2CONTROLS .3DISASSEMBLY FOR REPAIR.5BLOCK DIAGRAM .6CIRCUIT DESCRIPTION.7ADJUSTMENT.16WIRING DIAGRAM.17PC BOARD .18SCHEMATIC DIAGRAM .27EXPLODED VIEW .45PARTS LIST.46SPECIFICATIONS .59AccessoriesBatteries (R03/AA). (4)Remote c

8、ontrollerModel nameDestinationBattery coverParts numberType nameA70-1115-05RC-R08051070VRAll destinationsKR-V9090A09-0366-08A70-1117-05RC-R06051060VRAll destinationsKR-V8090CA70-1118-05RC-R0606KR-V8090T,E,QAn use model discrepancy table in of remote controllerCOVER(1P 97.6.22 4:02 PM 2RadioFans.CN 收

9、音机爱 好者资料库1060VR/1070VR/KR-V8090/KR-V90903CONTROLSFull Digital DecodingTRAITRthermally reactive advanced instantaneous transistor AUDIOVIDEO SURROUND RECEIVER 1070VRPHONESPOWER1234567890STANDBYMUTELEVEL INDICATORDIRECT MEMORY AUTOTUNINGBANDBASSTREBLELEVEL CONTROLSPEAKERSABPRO LOGIC3 STEREOSTEREODSPLO

10、UDNESSSOURCE DIRECTDIMMERCENTER MODEINPUT SELECTORVOLUME CONTROLVIDEOON/STANDBYDOWNUPAV AUXL - AUDIO - RAAC-3TP SP.*;FMAMkHzMHzSURROUND3 STEREODSP LOUDNESSM. INPUTMEMORYAUTOSTEREOTUNED12780!3549MUTEBABS. DIRECT+10 #$*&%)(6D GECODINF LULL DIGITABand indicatorsSURROUND indicatorLOUDNESS indicator3 STE

11、REO indicatorS.DIRECT indicatorAbout the STANDBY indicatorThis unit has a STANDBY indicator. When the STANDBY indicator is lit, the unit consumes a small amount of power to preservethe memory. This is called STANDBY mode. This mode also lets you turn the power ON using the remote control.DSP indicat

12、orDisplayTUNED indicatorMEMORY indicatorAUTO indicatorSTEREO indicatorFrequency display,Input display,Preset channel display,Surround mode displaySpeaker indicatorsM.INPUT indicator (1070VR only)1 POWER keyUse to switch the power ON/STANDBY.2 Numeric keys3 STANDBY indicator4 LEVEL indicatorLights wh

13、en the level of the signal beinginput is too high.5 MUTE indicator6 LOUDNESS keyUse to activate the frequency weightingnetwork. 7 STEREO keyUse to cancel the surround mode.8 PRO LOGIC keyUse to turn on the DOLBY PRO LOGICmode.9 DOLBY 3 STEREO keyUse to turn on the DOLBY 3 STEREOmode.0 DSP keyUse to

14、turn on, or switch, the DSP mode.! INPUT SELECTOR knobUse to select the input sources. VOLUME CONTROL knob# PHONES jackUse for headphone listening.$ SPEAKERS A/B keysUse to turn the speakers ON/OFF.% DIRECT keyUse to tune radio stations directly by nu-merical input. MEMORY keyUse to store radio stat

15、ions in the presetmemory.& AUTO keyUse to select the auto tuning mode.* BAND keyUse to select the broadcast band.( TUNING keysUse to tune in radio broadcasts.) BASS keyUse when adjusting the bass tone. TREBLE keyUse when adjusting the treble tone. LEVEL CONTROL keysUse to adjust the level of the sel

16、ectedtone. DIMMER keyUse to adjust the brightness of thedisplay. CENTER MODE keyUse to select the center mode. MUTE keyUse to mute the sound. SOURCE DIRECT key AV AUX jacks1060VR/1070VR/KR-V8090/KR-V90904CONTROLSAUDIOSHIFTMACROTVVIDEOGUIDERECMUTEVOLUMETUNING/SKIPTHEMEFAVMENUFUNCTIONSHIFTSETUPINFOALT

17、 AUDTV/SAT/VIDREPEATRANDOM+100DISPLAYENT+10LISTENMODESOUNDSUBWOOFER2315648970REMOTE CONTROL UNITRC-R08051237894560!#*&%$8746BANDP. CALLP. CALLPOWER1 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 compone

18、nts on andoff.2 MACRO keyUse in combination with the AUDIO, VID-EO, or TV keys to execute a series ofcommands automatically (MACROPLAY).3 VIDEO selector keySelects the video inputs (VIDEO 1,VIDEO 2, VIDEO 3, AV AUX) and setsthe remote to operate the component reg-istered at the respective input. 4 M

19、ulti 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 selected component. 7 SUBWOOFER keyUse in combination with the VOLUME +/-keys to adjust the vo

20、lume of thesubwoofer. 8 FUNCTION SHIFT keyUse in combination with the numeric keysto execute alternate commands.9 Numeric keysProvide functions identical to those of theoriginal remote supplied with the compo-nent you are controlling.To access the functions printed above thekeys, Press within 3 seco

21、nds of pressingthe FUNCTION SHIFT key. Functionavailability 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 the POWER key toturn on and off components programmedinto the re

22、mote.! TV selector keySets the remote to operate a TV or cablebox (TV 1, TV 2, CABLE). This key doesnot change the input selector on the re-ceiver. AUDIO selector keySelects the audio inputs (CD, TAPE/MD.TUNER, PHONO) and sets the remote tooperate the respective KENWOOD audiocomponent. If you connec

23、t audio components fromKENWOOD and other makers to theTAPE/MD or CD jacks, you can set theremote to operate these components byregistering the appropriate setup code atthe respective input. # GUIDE keyUse to activate the OSD menu functionsof registered components.$ VOLUME keyUse to adjust the receiv

24、er volume.% MUTE keyUse to temporarily mute the sound. SOUND keyUse to adjust the bass, treble, and inputlevel.& LISTEN MODE keyUse to select the desired surround mode. * SETUP keyUse to adjust the surround setup. 1060VR/1070VR/KR-V8090/KR-V90905DISASSEMBLY FOR REPAIRThe method that exchanges a powe

25、r transistor.1. Remove 10 screws (1 and 2) of rear panels.2. Remove flat cable from connector (CN851 and CN852) ofprinted circuit board X08 (A/3) . And, remove one screw(3). After this, move printed circuit board X08 (A/3)toward the right.3. Remove one screws (4) of printed circuit board X08(B/3). A

26、fter this, move printed circuit board X08 (B/3)toward the right.4. 1) Cut certain 4 convenes with nippers etc. on the left sideof the power supply transformer.2) Remove one screws (6) of printed circuit board X14(C/5). And, remove a headphone unit.3) Remove 4 screws (7) of printed circuit board X09.

27、Make printed circuit board X08 (A/3 and B/3) inoriginal condition, after screw (4) is removed. And,remove screw (1 and 3) and FFC.5. Remove 2 screws (8) of both sides of a panel.6. Set up a receiver, so that the left side of a receiverbecomes downward. And, remove 4 screws (9). Turnover a receiver l

28、ike a figure after this.7. Remove 5 screws (0) on the side of under of a panel.Next, remove 2 screws of radiators on the side of a base.And, remove a base plate to the back side (arrowdirection).8. Remove the solder of a power transistor from FOIL side ofprinted circuit board X09. And, exchange a po

29、wertransistor.FIG. 1FIG. 2FIG. 31060VR/1070VR/KR-V8090/KR-V9090MRDMWRMRASMCASMD0-MD3MA0-MA74MHz8MHz4.332MHz167RELAY SRELAY CRELAY BRELAY A-20dB ATTMAIN MUTE29SCAN 8RETARN 54VIDEOA, VIDEOB, VIDEOC, VIDEODSDATA, SCLK, STB1, STB2SDATA, SCLK, TSTB, VSTB+-+-+-+-+-+RELAY PWTRGNDPOWER AMP-30V(FL DRIVER)-17

30、V (SELECTOR)-5V (VIDEO SEL)GND+5V (VIDEO SEL)+17V(SELECTOR)GND+5V (DIGTAL)F2F1GNDu-COM (+5V)POWER AMPPOWER AMPPOWER AMP4DSP-CKDSP-CKDSP-MODSP-MODSP-MIDSP-MIDSP-RESETDSP-RESETDSP-HREQDSP-HREQDSP-SSDSP-SSCH SPACEPLL DOPLL CEPLL CLKCH SPACEPLL DOPLL CEPLL CLKPLL DATAT MUTESTEREOSDS LEVELPLL DATAT MUTES

31、TEREOSDS LEVELFL CLKFL DOUTFL STBFL DINFL CLKFL DINFL STBFL DOUTRELAYFRFLSURROUND RchSUB WOOFERCENTERSURROUND LchRchLchCSSUB WOOFER12.288MHzDSP-GP100DSP-GP1003SDATA, SCLK, LRCKSDATA, SCLK, LRCK3FRONT LFRONT RFRONT LFRONT RSURROUND RSURROUND LCENTERRELAY SRELAY B,CRELAY B,CRELAY SKR-V9090/1070VR1XX34

32、X2XKR-V8090/1060VROTHERS TYPE(E,T) TYPEKR-V8090/1060VRKR-V9090/1070VR1X2X4X4XUSED KR-V9090/1070VR(E,T,Q TYPE)K,P,Y,C TYPEX3 (X08) IC28E,T,Q TYPEBUFBUFEQ AMPVIDEO3VIDEO2VIDEO1TAPE1CDPHONOANALOGL,Rch(X09) IC4NJU7312ALVIDEO1TAPE1NJU7313AL(X09) IC3INPUT SELECTORTUNERTUNERUNITADAPTOROUTADAPTORINNJU7311AM

33、(X08) IC2ATC9412AP(X08) IC5VOLUME1(X08) IC7VOLUME2TC9413PTC9413P(X08) IC9VOLUME3BUF-20dB ATT(X09) Q9BUFMUTE(X09) Q12POWER AMPPOWER AMPRchLchLchRchBUFBUFPOWER AMPSRchPOWER AMPMUTESLchRchLchAMPBUFPOWER AMPMUTECENTERchSPEAKERCENTERRchLchRchLchCENTERSPEAKERWOOFERSUBPHONESRDS(X08) IC40SAA6579BW24257AK-15

34、(X08) IC29SRAMSEL/VOLENCODERINDICATORLEVELuPD16311(X14) IC1FL DRIVERSTAND BYMATRIXKEYFLREMOCONCVIDEO SELECTORSTB1INPUT SELECTOR(X09) IC3(X09) IC4(X08) IC2TONE, VOLUMEDSP56004FJ66(X08) IC26DSPu-COM(X08) IC28AVRAVRAVRAVRAVRAVRAVRSTROKE SWAV AUXANALOGLch, RchPLAYLchRchLchSURROUNDSURROUNDRchCENTERSUBWOO

35、FERVIDEO1VIDEO1VIDEO3VIDEO2VIDEO SELECTOR(X08) IC1SN761200NBUFMONITORBUFu-COMDSPAu-COMTUNERBu-COMCDRIVERFLPHONO INPUT2.5mV/47kOTHER INPUT200mV/47k Lch, Rch(X09) IC1(X09) IC2ADAPTORVIDEO IN/OUT1Vp-p/75ADP400mV/20k200mV/1kINOUT(FRONT)ANALOG6chCOMP VIDEOPLAY(X08) Q5(X08) Q6(X09) IC7(1/2)(X05)(X14) S37,

36、38LED(X14) ED1(X14) A1AVR(X09) IC8(X09) D111,116(X09) D17-20(X09) D5-8(X09) Q1(X09) IC6(X08) IC24,25(X08) Q8(X08) Q7(X09) Q2(X09) Q6(X09) D3(X09) D1(X09) D11,12(X09) D2(X09)K6(X09)K5(X09) Q11MUTE(X09) Q81,83(X09) Q82,84(X09) Q42MUTE(X09) Q41(X09) Q79MUTE(X09) Q31(X09) Q87,89(X09) Q88,90(X09) Q85,86(

37、X09) Q10-20dB ATT(X09) Q39-20dB ATT(X09) Q40-20dB ATT(X09) Q30-20dB ATT(X09) Q74-20dB ATT(X08)IC6(X08)IC10(X08)IC8K1(X09)(X09)K2(1/2)(X09)K4(1/2)K2(2/2)(X09)SL,SRch 21V/829.7V/8L,R,CchKR-V8090/1060VRSPEAKERS BSURROUNDSPEAKERSPRE OUTFRONTSPEAKERS A31V/8KR-V9090/1070VR21.9V/8SL,SRchL,R,Cch(X14) J1SPEA

38、KERSSURROUND(X08) IC18CS5331A/DTR.FINAL(X09)K3D/ACS4331(X08) IC11100Hz LPF21kHz LPF(X08) IC1521kHz LPF(X08) IC13TC9184AP(X08) IC12NJU7311AMTONE21kHz LPF(X08) IC1621kHz LPF(X08) IC19(X08) IC20CS4331D/AIC4 (2/2)100Hz LPFIC4 (1/2)AMP(X08)60dB(X08)ANALOGPLAYANALOGLch, RchREC OUTINPUTMUTE(X14) D3-5STB2(X

39、08) IC12MCLKBUFOUTRECSP OUTPUTPOWER AMPSLchLchRchSURROUNDSPEAKERSSLchPOWER AMPRchLchSPEAKERSSURROUND(X08) IC126ch ANALOG INPUTSURROUND SPEAKERSYESYESNONOAV AUX17.7dB(X08) IC21(X08) IC17(1/2)(X09) IC7(2/2)(X08) IC17(2/2)(X08) J4CXP82840-124QCXP82852-108QBLOCK DIAGRAM61060VR/1070VR/KR-V8090/KR-V9090In

40、dicator tube(11-MT-110GK)Indicator tube driver(uPD16311GC-AB6)RDSSignal levelRDS clockRDS dataKey matrixPLL IC(LC72131)Selector analog switch control IC(NJU7311/7312/7313)Electron volume IC(TC9412P/9413P)Electron tone control IC(TC9184P)Video selector IC (SN761200N)DSP (56004)Selector encoder ASelec

41、tor encoder BVolume encoder AVolume encoder BCH SPACERemote controller receptionSL16 / XS8Serial BUSYSerial DATASDSTEREORESETCEPROTECTLOUDNESSMUTE-20dB ATTRELAY POWERRELAY ARELAY BRELAY CSRELAY TR (X08) IC28u-COMCXP82840-120Q(K,P,M)CXP82852-107Q(E,T,Q)MUTE LEDSTANDBY LED(X08) IC40(X14) ED1(X14)(X05)

42、 IC2(X08) IC2,12 (X09) IC3,4(X08) IC5,7,9(X08) IC13(X08) IC1(X08) IC26(X14) IC1111649CIRCUIT DESCRIPTION1. Microprocessor CXP82840-120Q/CXP82852-107Q(X08-, IC28)1-1 Microprocessor periphery block diagramNo.NameI / ODescription1NCO2NCO3NCConnects to VDD4RDS CLKIRDS clock signal input5RDS DATAIRDS dat

43、a signal input6VOL ENC AIVolume encoder A input7VOL ENC BIVolume encoder B input8REMOCONIRemote controller data input9CH SPACEITuner description switching input10NC11NC12SEL ENC AISelector encoder A input13SEL ENC BISelector encoder B input14PLL DOIPLL IF counting value input15PLL CEOLC72131 (PLL) s

44、trobe signal output16PLL CLKOLC72131 (PLL) clock signal output17PLL DATAOLC72131 (PLL) data signal output1-2 Terminal explanation71060VR/1070VR/KR-V8090/KR-V90908CIRCUIT DESCRIPTIONNo.NameI / ODescription18T MUTEOTuner mute signal output19STEREOOTuner stereo signal input20SDITuner sd signal input21F

45、L STBOuPD16311 (FL driver) strobe signal output22FL CLKOuPD16311 (FL driver) clock signal output23FL DOUTIuPD16311 (FL driver) data signal input24FL DINOuPD16311 (FL driver) data signal output25DSP CLK56004 (DSP) clock signal output26DSP MIS0I56004 (DSP) data signal input27DSP MIS1O56004 (DSP) data

46、signal output28A / D standard voltage (+5V)29S. LEVELIRDS signal level input30DSP SSO56004 (DSP) interface signal output31DSP HREQI56004 (DSP) host request signal input32SL16 / X58ISerial SL16 / XS8 switching input33S BUSYI/OSerial busy signal input - output34S DATAI/OSerial data signal input - outp

47、ut35PROTECTIProtection signal input36CEIMicroprocessor AC off signal input37Connects to VSS38RESETIReset signal input39EXTAL8MHz oscillation elements (input)40XTAL8MHz oscillation elements (output)41VSSMicroprocessor power supply (GND)42TX43TEXConnects to VSS44VDDMicroprocessor power supply (+5V)45V

48、FDPConnects to VSS46DSP RESETO56004 (DSP) reset signal output47VIDEO DOSN761200n (video sel) control signal D output48VIDEO COSN761200n (video sel) control signal C output49VIDEO BOSN761200n (video sel) control signal B output50VIDEO AOSN761200n (video sel) control signal A output51LOUDNESSOLoudness

49、 control signal output52-20dB ATTOVolume -20dB ATT control signal output53TON STBOTC9184P (Tone) strobe signal output54VOL STBOTC9184P(Volume) strobe signal output55VOL/TON CLKOTC9412P/9184P (Volume/Tone) clock signal output56VOL/TON DATOTC9412P/9184P (Volume/Tone) data signal output57SEL STB2ONJU73

50、11 (for Sel AC-3) strobe signal output58SEL STB1ONJU7313/7312/7311 (Sel) strobe signal output59SEL CLKONJU7313/7312/7311 (Sel) clock signal output60SEL DATAONJU7313/7312/7311 (Sel) data signal output61MUTEOAudio mute signal output62RELAY POWEROPower relay ON/OFF output63RELAY TRO2nd side voltage rel