Kenwood-KRF-8010-DW-Service-Manual电路原理图.pdf

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1、AV SURROUND RECEIVERKRF-V8010D/V8010DWSERVICE MANUAL1998-8/B51-5464-00 (K/K) 1751ASPEAKERSBBASS BOOSTMONITORSOURCEDIRECTMULTI CONTROLINPUT SELECTORVOLUME CONTROLDOWNUPSTANDBYAV SURROUND RECEIVERON / STANDBYPHONES-ON OFFPOWERPTYTA/NEWSDISPLAYBANDAUTOMEMORYINPUT MODELISTEN MODESOUNDSETUPDOLBY DIGITALD

2、VD 6ch INPUTCLIP INDICATERCENTER SPEAKERFRONT SPEAKERSFM75GNDAMANTENNASYSTEM CONTROLREC OUTPHONODVD 6CH. INPUTCDMD / TAPEVIDEO 1VIDEO 1VIDEO 2VIDEO 3VIDEO 1VIDEO 2DVD 6CH.VIDEO 3DVD 6CH.VIDEO 2DOLBY DIGITAL / PCM INVIDEO 3SUBWOOFERSUBWOOFERSURROUNDSURROUNDSURROUND SPEAKERSFRONT SPEAKERSPRE OUTMONITO

3、RPLAY INREC OUTPLAY INREC OUTPLAY INPLAY INPLAY INCENTERCENTERSL16XS8LR+-+-RAL CLLRLRRLRBMONITORVIDEO INVIDEO OUTIndicator (B12-0341-04)KENWOOD badge(B43-0302-04)Metallic cabinet *(A01-)AC outlet *(E03-)Phono jack x 2(E63-0046-15)Phono jack x 2(E63-0047-15)Lock terminal board (E20-0321-05)Power cord

4、 bushing(J42-0083-05)AC power cord *(E30-)Knob (K27-2275-04)Phone jack(3P) (E11-0127-05)Foot x4(J02-1168-03)Optical receiving module(W02-1181-05)Lock terminal board(E70-0047-05)Phono jack(E63-0094-05)Phono jack(E63-0199-05)Slide switch(S62-0034-05)Phono jack(E63-0114-05)Front glass(B10-3428-12)Knob

5、(K29-7311-03)Panel *(A60-)Knob (K29-7312-04)Miniature phone jack(2P)(E11-0188-05)Knob (K29-7313-04)Knob *(K29-7371-02)(E,T,Q,X type)This manual is available for repair in the Europe, England, Australia and Russia markets. Please refer to the original manual (B51-5419-00) if need the information in t

6、he USA and Canadaand other markets.* Refer to parts list on page 31 .Phono jack(E63-0093-05)Screw terminal board(E70-0100-05)Phono jack(E63-0114-05)KRF-V8010D(K) COVER1,1( 98.12.10 17:50 yW2Resetting the MicrocomputerIf the microcomputer may malfunction (unit cannot be operated,or shows an erroneous

7、 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.Please note that resetting the microcomputer will clear the contentso

8、f 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.FM (T90-0836-05)(A70-1252-05)Battery cover (A09-0366-08)indoor antenna (1)Loop antenna stand (1)Remote cont

9、rol unit (1)Batteries (R03/AAA) (4)AM loop antenna (1) (T90-0833-05)KRF-V8010D/V8010DW2CONTENTS / ACCESSORIES / CAUTIONSCONTENTS / ACCESSORIES / CAUTIONS.2CONTROLS.3DISASSEMBLY FOR REPAIR.5BLOCK DIAGRAM.6CIRCUIT DESCRIPTION.7ADJUSTMENT.10PARTS DESCRIPTIONS.11PC BOARD.12SCHEMATIC DIAGRAM.17EXPLODED V

10、IEW.30PARTS LIST.31SPECIFICATIONS.40ContentsAccessoriesCautionsPlease refer to KRF-V5010 (B51-5425-00) and KRF-V7510D (B51-5419-00) service manuals ifneed the information on circuit description.KRF-V8010D(K) COVER1,1( 98.12.10 17:50 yW3*;FMAMkHzMHz3 STEREOBS.DIRECTASPTI.VOLMUTERDSEONPTYTPTANEWSDOWNM

11、IXMONITORPRO LOGICTUNEDMEMO.AUTOST.SSWCRSRLSLDIGITAL12!65439078CRCR*&#AUTOSOUNDZ$%ASPEAKERSBBASS BOOSTMONITORSOURCEDIRECTMULTI CONTROLINPUT SELECTORVOLUME CONTROLDOWNUPSTANDBYAV SURROUND RECEIVERON / STANDBYPHONES-ON OFFPOWERPTYTA/NEWSDISPLAYBANDAUTOMEMORYINPUT MODELISTEN MODESOUNDSETUP()CR“CRDOLBY

12、DIGITALDVD 6ch INPUTCLIP INDICATERDisplaySpeaker selection indicatorsOutput channel indicatorsBand indicatorsAUTO indicatorMEMO. indicatorST. indicatorTUNED indicator3 STEREO indicatorSTEREO indicatorAbout the STANDBY indicatorThis unit has a STANDBYindicator. When the STANDBYindicator is lit, the u

13、nit 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 displaySpeaker indicatorMUTE indicatorPRO LOGICindicatorS.DIRECT indicatorMO

14、NITOR indicatorRDS indicatorTI.VOL indicatorBASS BOOST keyUse to select the maximum adjustmentsetting for the low frequency range.&MONITOR key*SOURCE DIRECT key(INPUT MODE keyUse to switch between the digital andanalog inputs.)LISTEN MODE keyUse to select the listening mode.SOUND keyUse to adjust th

15、e sound quality and ambi-ence effects.“SETUP keyUse to select the surround sound settings.MULTI CONTROL knobUsed to make a variety of settings.INPUT SELECTOR knobUse to select the input sources.1POWER keyUse to turn the main power ON/OFF.2ON/STANDBY () keyUse to switch the power ON/STANDBYwhen the P

16、OWER is turned ON.STANDBY indicator3DOLBY DIGITAL indicatorLights when the receiver is in the DolbyDigital mode.4DVD 6ch INPUT indicatorLights when the receiver is in the DVD 6chINPUT mode.5CLIP INDICATOR indicatorLights when the input signal is too large tobe handled by the receiver, and “clipping“

17、is occurring.6PTY keyUse to perform PTY search.7TA/NEWS key8DISPLAY keyUse to change the display indications whenreceiving RDS broadcasts.9BAND keyUse to select the broadcast band.0AUTO keyUse to select the auto tuning mode!MEMORY keyUse to store radio stations in the presetmemory.VOLUME CONTROL kno

18、b#PHONES jackUse for headphone listening.$SPEAKERS A keyUse to turn speaker system A on and off.%SPEAKERS B keyUse to turn speaker system B on and off.DOWNMIX indicator AUTOSOUNDindicatorDIGITAL indicatorKRF-V8010D/V8010DW3CONTROLSKRF-V8010D(K) COVER1,1( 98.12.10 17:51 yW68FUNCTION SHIFT keyUse in c

19、ombination with the numeric keysto execute alternate commands.9Numeric keysProvide functions identical to those of theoriginal remote control supplied with thecomponent you are controlling.To access the functions printed above thekeys, press within 3 seconds of pressingthe FUNCTION SHIFT key. Functi

20、on avail-ability 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 control.!TV selector keySets the remote

21、 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 respectiveKENWOOD audio component.If you connect audio components fromKENWOOD and other makers to the MD/TAPE or CD

22、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 components.$VOLUME keyUse to adjust the receiver volume.%MUTE keyUse to temporarily mute the sound.SOUND keyU

23、se 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.1POWER 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 co

24、mponents on and off.2MACRO keyUse in combination with the AUDIO, VIDEO,or TV keys to execute a series of com-mands automatically (MACRO PLAY).3VIDEO selector keySelects the video inputs and sets the re-mote control to operate the componentregistered at the respective input.4Multi control keysUse to

25、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 the subwoofer.There ar

26、e 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 ofcorresponding keys (or knobs) on thereceiver and remote control are differ-ent, the name of the remote control keyis indi

27、cated in parentheses.AUDIOSHIFTMACROTVVIDEOGUIDERECMUTEVOLUMETUNING/SKIPTHEMEFAVMENUFUNCTIONSHIFTSETUPINFOALT AUDTV/SAT/VIDREPEATRANDOM+100DISPLAYENT+10LISTENMODESOUNDSUBWOOFER2315648970123789 4560!#* & % $8746BANDP. CALLP. CALLPOWERKRF-V8010D/V8010DW4CONTROLSKRF-V8010D(K) COVER1,1( 98.12.10 17:51 y

28、W7KRF-V8010D/V8010DW5DISASSEMBLY FOR REPAIR1. Remove the 8 screws (1,2,3),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)12244433x2x2x3KRF-V8010D(K) COVER1,1( 98.12.10 17:51 yW12KRF-V8010D/V8010DWLFE

29、DAAD22BYPASSSWCLS/RSL, RL, RLRCLSRSSWDIRC LS/RS L/R+for 50W4700uF3300uFfor 50W3300uF4700uFfor 100WONLY3300uF470uF2200uFfor 100WONLY3300uF470uF+2IC2ATT 2ATT 1ATT OFFLINE BUFPHONO EQTUNERIC4NJM2279MCS4226LPFLPF LPF LPFx2x2 x2x1x0.6x0.3x0.3x1SW MIX SW LPFIC18BUFMIXx2YSS248DSPATTx0.5HPFHPFATTx0.6M62446S

30、P6ch E. VOLwithTONE CONT.LchRchCchLSchRSchSWchx0.5BUFSTK411-230DSTK410-030D10dB ATT MUTE+B HITAPB HITAP+B LOWTAPB LOWTAPVIDEO3COXIALOPTICALVIDEO2INDIGITALVIDEO3VIDEO2VIDEO1CDPHONOTAPE1/MDTAPE2/MONIPLAY/MONITAPE2/MDTAPE1VIDEO1VIDEO3VIDEO2VIDEO1VIDEO1MONITORPLAYRECOUTOUTRECLchH, P, RchH, P, LchRchCchL

31、chRchSLchSRchSLchSRchCchSWchREC OUTSP-BSP-AAC IN+5VA.V.Rforu-COM+15VA.V.RA.V.R15V+5V+7V7VA.V.R+5Vfor E. VOLforfor E. VOLfor u-COM ( 30V)for DSP, AD/DA, DIRfor FL(AUDIO and VISUAL)TUNERfor AMP (HI TAP)AMP (LOW TAP)ONLY for 100Wforfor RELAY SWTC9163AFTC9164AFA1J1IC3IC5IC6(1/3)2.5mV/27KPHONOIC21IC23(2/

32、2)(1/2) (1/2)(2/2)IC22IC6AUDIO200mV/47K200mV/2.2KINOUT1VP-P/75VIDEO IN/OUTIC7(1/3)IC6(2/3)IC7(2/3)IC11IC8IC6(3/3)VIDEO SELK1Q1SWITCHEDS1D1D2D5IC1IC230V A.V.RIC8-10Q2IC1IC2IC14(2/2)IC15(2/2)IC14(1/2)IC15(1/2)IC17IC16IC12IC13HPFIC20IC5 (1/2)IC9Q3Q4Q7Q5Q6Q8Q9Q10Q13Q11Q12Q16IC4IC3K1K4K21V/2.2K2V/2.2KSWc

33、hC, SL, SRchPRE OUT6ROTARY ENCREMOCON INKEY MATRIXFLKEY RETURNKEYSCANSEGMENTGRID 11387LEDAC-3CXP82852-134Qu-COMPOWER RELAY(RELAYFA, RELAYFB,RELAY4(STANDBY(TMUTE, PLLCE, PLLCLK,MUTE10dB ATTVOLDT)(VOLSTB, VOLCLK,E-VOLVIDEORELAYC, RELAYS)VMUTE)(VIDEO A, VIDEO B,33(SCK,SI,SO,IC)RESETSTEREO, SLEVEL)PLLDT

34、, PLLDO, PLLSD,TUNER8 5E2ROM(DATA, CLK)PROTECTIONSYNCHRO(SDATA, SBUSY)DOL.DIG,P.LEVEL)2 2K3IC51ED51IC7(3/3)INPUT SEL.UNITTC9162AFDA&ADDIRCONVERTERD1-4T1(1/2)(2/2)(1/2)(1/2)(2/2)(2/2)IC10IC10IC12IC11IC11IC12D3-6SP. 5ch OUTPUTE, T, QX 28.3V/8 (10%)20V/4 (0.7%)LS/RSLINE BUFIC31CLINE BUFIC32 (1/2)IC32 (

35、2/2)LINE BUFSWIC19IC23 IC22IC5(2/2)6chINPUTDVD150.5Vp-p/75COAXDIGITAL INPUTOPTICAL 21dBmKRF-V8010D(E)(X00)(X08)(AUDIO)(VISUAL)(X09)(X08)6BLOCK DIAGRAMKRF-V8010D(K) COVER1,1( 98.12.10 17:51 yW11KRF-V8010D/V8010DWFL DISPLAY (X09) ED5111GRID17SEGMENTX8X3X3X4X3X3X2X2X2(X09) S517SERIALBUSYDATAVOLUMEENCOD

36、ER(X09) S519MULTIENCODER(X09) S518SELECTORENCODER(X09)X4X1X3X38.0MHzCERESETX3X1X3X2(M TYPE ONLY)AUDIO MUTETUNER MUTETUNER (X09) IC2(X09) IC1-10dB ATTSDSTEREOX111-MT-116GKLED(PEAK. LEVEL)(DOLBY DIGITAL)(STANDBY)(X09) IC6,7AUDIO SELECTOR(X08) IC4NJM2279M(X09) A501REMOCONVIDEO SELECTOR ICTC9163/9164CXP

37、82832-134Q(X00) POWER Relay - (K1)SP. A RELAY - (K1)SP. B RELAY - (K2)SURR RELAY - (K3)CENTER RELAY - (K4)(X08) IC1DSP IC(X08) IC2DAC ICYSS248CS4226(CRYSTAL)(X09) IC5, 6FUNCTION SW(X09) IC9VOLUME IC(X09) IC52E2PROMM62446FPLC72131X24CO2(XICOR)TC9162/916412KR013KR114KR281KS0P.CH DOWNON/STANDBYSPEAKER

38、A80KS1P.CH UPDIMMERSPEAKER B79KS2BANDLISTEN MODEBASS BOOST78KS3AUTOSOUNDMONITOR77KS4MEMORYSETUPSOURCE DIRECT76KS5INPUT MODE75KS6DSW0DSW1DSW274KS7* No. of : u -COM Port NO.DSW3DSW (AC3)Key matrix7CIRCUIT DESCRIPTION1. Microprocessor: CXP82832-134Q(X09 : IC51)1-1 Microprocessor periphery block diagram

39、KRF-V8010D(K) COVER1,1( 98.12.10 17:51 yW18KRF-V8010D/V8010DWPin No.Pin NameI/ODescription1,2G10,11ODisplay grids 10,113NoneIc test mode port.4CKIRDS clock input.5RDS. DTIRDS data input.6AUDIOIAudio signal detection port. L=AUDIO.7VOL.ENC.AIVolume encoder A(clockwise) input.8REMOCONIRemote contol si

40、gnal input.9VOL.ENC.BIVolume encoder B(counterclockwise) input.10,11NoneOIc test mode port.12-14KR0-2IKey return 0-2.15PROTECTIProtection signal detection port. H=PROTECT.16S.DATAI/OSerial DATA signal.17S.BUSYI/OSerial BUSY signal.18E2.DTI/OE2 PROM data.19E2.CLKI/OE2 PROM clock.20SEL.ENC.AISelector

41、encoder A(clockwise) input.21SEL.ENC.BISelector encoder B(counterclockwise) input.22MULTI.ENC.AIMulti encoder A(clockwise) input.23MULTI.ENC.BIMulti encoder B(counterclockwise) input.24AC3IAC-3 signal detection.25AC3.SCKOYSS248 clock output.26AC3.SIIYSS248 data input.27AS3.SOOYSS248 data output.28Vd

42、dAnalog power supply(+5V)29S. LEVELISignal level A/D input.30SEL.ST2OTC9162AF/63AF/64AF st2 output. H=latch.31AC3.CSOYSS248 CS output.32CODEC.CSOCS4226 CS output.33PLL.DOIPll ic do signal input port.34PLL.STITuner stereo signal detection port. L=STEREO.35PLL.SDITuner sd signal detection port. L=TUNE

43、D.36RCV.CEIReceiver chip enable signal port. L=ENABLE.37AvssAnalog GND.38RESETIMicroproessor reset signal.39,408MHzIMain clock generation(8MHz).41VssMicroprocessor GND.42NoneINo connect43TEXGND.44VddPower supply(+5V).45VfdpPower supply(-33V).46SEL.ST1OTC9162AF/63AF/64AF st1 output. H=latch.47PLL.DTO

44、Pll ic data signal output.48PLL.CKOPll ic clock signal output.49PLL.CEOPll ic ce signal output port.50T.TUNEOTuner mute control. L=mute on.51A.MUTEOOutput mute control. L=mute on.52SW.MUTEOSub woofer mute control. L=mute on.5310dB.ATTOVolume 10dB attenuation control. H=att. on.54VOL.DTOVolume ic (M6

45、2446SP) data control.55VOL.CKOVolume ic (M62447SP) clock control. H=active.1-2 Pin description8CIRCUIT DESCRIPTIONKRF-V8010D(K) COVER1,1( 98.12.10 17:51 yW17KRF-V8010D/V8010DW9CIRCUIT DESCRIPTIONPin No.Pin NameI/ODescription56VOL.STOVolume ic (M62448SP) st control. H=active.57VCR.MUTEOVideo ic (NJU2

46、279D) cont2/4 mute control. L=mute on.58VCR.AOVideo ic (NJU2279D) cont1 mute control. H/L=static.59VCR.BOVideo ic (NJU2279D) cont3 mute control. H/L=static.60FA.RLYOFront A speaker relay control. H=relay on.61FB.RLYOFront B speaker relay control. H=relay on.62C.RLYOCenter speaker relay control. H=re

47、lay on.63S.RLYORear speaker relay control. H=relay on.64POWER.RLYOPower relay control. H=relay on.65STANDBY.LEDOStandby led control.L=led on.66DOL.DIG.LEDODolby digital led control.L=led on.67CLIP INDI. LEDOClip indicator led control.L=led on.68DVD 6CH LEDODVD 6CH input level control.69-70NoneONo connect71PACL_CTLONon oscillation of power pack ic at power off. L=stop oscillation.72AC3.ICOYSS248/CS4226 initial clear port.73EMPHASISOTuner emphasis on/off. H=100k/10k,L=50k/9k.74-81P1-8ODisplay segments 1-8 & key returns 0-7.82-88P9-15ODisplay segm