Kenwood-KRV-8090-Service-Manual(1)电路原理图.pdf

TAPE/MDCDPHONOPLAYINRECOUTVIDEO1VIDEO3VIDEO2PLAYINPLAYINPLAYINRECOUTADAPTORINOUTAUDIOSL 16 XS 8SUBWOOFERSURROUNDFRONTCENTERLRAUX.6CH.INPUTSYSTEM CONTROLSIGNALGNDLRFull Digital DecodingTRAITRthermally reactive advanced instantaneous transistor AUDIOVIDEO SURROUND RECEIVER 1070VRPHONES POWER1234567890STANDBYMUTELEVEL INDICATORDIRECTMEMORYAUTOTUNINGBANDBASSTREBLELEVEL 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 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(J42-0083-05)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 Illustration is 1070VR.* Refer to parts list on page 36.KENWOOD badge *(B43 -0302-04)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 DEMODULATOR.(1)(DEM-999D)AC adapter .(1)(E03-0115-05)AUDIOSHIFTMACROTVVIDEOGUIDERECMUTEVOLUMETUNING/SKIPTHEMEFAVMENUFUNCTIONSHIFTSETUPINFOALT AUDTV/SAT/VIDREPEATRANDOM+100DISPLAYENT+10LISTEN MODESOUNDSUBWOOFER2315648970REMOTE CONTROL UNITRC-R08058 74¢6BANDP. CALLP. CALLPOWERM type onlyM,C,T type onlyBattery 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 controllerModel name Destination Battery coverParts number Type nameA70-1115-05 RC-R0805 1070VR All destinationsKR-V9090A09-0366-08A70-1117-05 RC-R0605 1060VR All destinationsKR-V8090 CA70-1118-05 RC-R0606 KR-V8090 T,E,QAn use model discrepancy table in of remote controller$07FMAMkHzMHzSURROUND3 STEREODSP LOUDNESSM. INPUTMEMORYAUTOSTEREOTUNED12780!3549MUTEBABS. DIRECT+10£¢ #$*&%)(“6D GECODINF LULL DIGITABand indicatorsSURROUND indicatorLOUDNESS indicator3 STEREO indicatorS.DIRECT indicatorAbout the STANDBY indicatorThis unit has a STANDBYindicator. When the STANDBYindicator 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 indicatorDisplayTUNED indicator MEMORY indicatorAUTO indicatorSTEREO indicatorFrequency display,Input display,Preset channel display,Surround mode displaySpeaker indicatorsM.INPUT indicator (1070VR only)1POWER keyUse to switch the power ON/STANDBY.2Numeric keys3STANDBY indicator4LEVEL indicatorLights when the level of the signal beinginput is too high.5MUTE indicator6LOUDNESS keyUse to activate the frequency weightingnetwork. 7STEREO keyUse to cancel the surround mode.8PRO LOGIC keyUse to turn on the DOLBY PRO LOGICmode.9DOLBY 3 STEREO keyUse to turn on the DOLBY 3 STEREOmode.0DSP keyUse to 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 stations 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 selectedtone.£DIMMER keyUse to adjust the brightness of thedisplay.¢CENTER MODE keyUse to select the center mode.MUTE keyUse to mute the sound.SOURCE DIRECT keyAV AUX jacks1060VR/1070VR/KR-V8090/KR-V90904CONTROLSAUDIOSHIFTMACROTVVIDEOGUIDERECMUTEVOLUMETUNING/SKIPTHEMEFAVMENUFUNCTIONSHIFTSETUPINFOALT AUDTV/SAT/VIDREPEATRANDOM+100DISPLAYENT+10LISTENMODESOUNDSUBWOOFER2315648970REMOTE CONTROL UNITRC-R0805123789 4560!#* & % $874¢6BANDP. CALLP. CALLPOWER1POWER keyUse to turn the receiver on and off. Use in combination with the input selector(AUDIO, VIDEO, or TV) keys and SHIFTkey to turn various components on andoff.2MACRO keyUse in combination with the AUDIO, VID-EO, or TV keys to execute a series ofcommands automatically (MACROPLAY).3VIDEO selector keySelects the video inputs (VIDEO 1,VIDEO 2, VIDEO 3, AV AUX) and setsthe remote to operate the component reg-istered at the respective input. 4Multi control keysUse to operate the selected component.5REC keyUse to operate the selected component. 6TUNING/SKIP keyUse during the setup procedure to specifyvarious settings. Use to operate the tuneror selected component. 7SUBWOOFER keyUse in combination with the VOLUME +/-keys to adjust the volume of thesubwoofer. 8FUNCTION SHIFT keyUse in combination with the numeric keysto execute alternate commands.9Numeric keysProvide functions identical to those of theoriginal remote supplied with the compo-nent you are controlling.To access the functions printed above thekeys, Press within 3 seconds of pressingthe FUNCTION SHIFT key. Functionavailability varies for each component.0SHIFT keyUse in combination with the AUDIO andVIDEO keys to change the remote controlmode without changing the input selectoror in combination with the POWER key toturn on and off components programmedinto the remote.!TV selector keySets the remote to operate a TV or cablebox (TV 1, TV 2, CABLE). This key doesnot change the input selector on the re-ceiver. AUDIO selector keySelects the audio inputs (CD, TAPE/MD.TUNER, PHONO) and sets the remote tooperate the respective KENWOOD audiocomponent. If you connect audio components fromKENWOOD and other makers to theTAPE/MD or CD jacks, you can set theremote to operate these components byregistering the appropriate setup code atthe respective input. #GUIDE keyUse to activate the OSD menu functionsof registered components.$VOLUME keyUse to adjust the receiver 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 power transistor.1.Remove 10 screws (1and 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). After 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.Make printed circuit board X08 (A/3 and B/3) inoriginal condition, after screw (4) is removed. And,remove screw (1and 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 like 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 powertransistor.FIG. 1FIG. 2FIG. 31060VR/1070VR/KR-V8090/KR-V9090MRDMWRMRASMCASMD0-MD3MA0-MA74MHz 8MHz4.332MHz167RELAY SRELAY CRELAY BRELAY A-20dB ATT MAIN MUTE29SCAN 8RETARN 54VIDEOA, VIDEOB, VIDEOC, VIDEODSDATA, SCLK, STB1, STB2SDATA, SCLK, TSTB, VSTB+-+-+-+-+-+RELAY PWTRGNDPOWER AMP-30V(FL DRIVER)-17V (SELECTOR)-5V (VIDEO SEL)GND+5V (VIDEO SEL)+17V(SELECTOR)GND+5V (DIGTAL)F2F1GNDu-COM (+5V)POWER AMPPOWER AMPPOWER AMP4DSP-CK DSP-CKDSP-MO DSP-MODSP-MI DSP-MIDSP-RESET DSP-RESETDSP-HREQ DSP-HREQDSP-SS DSP-SSCH SPACEPLL DOPLL CEPLL CLKCH SPACEPLL DOPLL CEPLL CLKPLL DATAT MUTESTEREOSDS LEVELPLL DATAT MUTESTEREOSDS LEVELFL CLKFL DOUTFL STBFL DINFL CLKFL DINFL STBFL DOUTRELAYFRFLSURROUND RchSUB WOOFERCENTERSURROUND LchRchLchCSSUB WOOFER12.288MHzDSP-GP100 DSP-GP1003 SDATA, SCLK, LRCKSDATA, SCLK, LRCK3FRONT LFRONT RFRONT LFRONT RSURROUND RSURROUND LCENTERRELAY SRELAY B,CRELAY B,CRELAY SKR-V9090/1070VR1XX34X2XKR-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(X08) IC2ATC9412AP(X08) IC5VOLUME1(X08) IC7VOLUME2TC9413PTC9413P(X08) IC9VOLUME3BUF-20dB ATT(X09) Q9BUFMUTE(X09) Q12POWER AMPPOWER AMPRchLchLchRchBUFBUFPOWER AMPSRchPOWER AMPMUTESLchRchLchAMPBUF POWER AMPMUTECENTERchSPEAKERCENTERRchLchRchLchCENTERSPEAKERWOOFERSUBPHONESRDS(X08) IC40SAA6579BW24257AK-15(X08) IC29SRAMSEL/VOLENCODERINDICATORLEVELuPD16311(X14) IC1FL DRIVERSTAND BYMATRIXKEYFLREMOCONCVIDEO SELECTORSTB1 INPUT SELECTOR(X09) IC3(X09) IC4(X08) IC2TONE, VOLUMEDSP56004FJ66(X08) IC26DSP u-COM(X08) IC28AVRAVRAVRAVRAVRAVRAVRSTROKE SWAV AUXANALOGLch, RchPLAYLchRchLchSURROUNDSURROUNDRchCENTERSUBWOOFERVIDEO1VIDEO1VIDEO3VIDEO2VIDEO SELECTOR(X08) IC1SN761200NBUFMONITORBUFu-COMDSPAu-COMTUNER B u-COM C DRIVERFLPHONO 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) S37,38LED(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(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) J1SPEAKERSSURROUND(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 (X08) IC12MCLKBUFOUTRECSP OUTPUTPOWER AMPSLchLchRchSURROUNDSPEAKERSSLchPOWER AMPRchLchSPEAKERSSURROUND(X08) IC126ch ANALOG INPUT SURROUND SPEAKERSYES YESNO NOAV 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-V9090Indicator tube(11-MT-110GK)Indicator tube driver(uPD16311GC-AB6)RDSSignal levelRDS clockRDS dataKey matrixPLL IC(LC72131)Selector analogswitch control IC(NJU7311/7312/7313)Electron volume IC(TC9412P/9413P)Electron tonecontrol IC(TC9184P)Video selector IC(SN761200N)DSP(56004)Selector encoder ASelector encoder BVolume encoder AVolume encoder BCH SPACERemote controllerreceptionSL16 / 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) 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 data 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) strobe 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 input21FL 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 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 - output35PROTECTIProtection 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)45VFDPConnects 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 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