Kenwood-KRFV-5050-Service-Manual电路原理图.pdf

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1、70%AUDIO VIDEO SURROUND RECEIVER2001-2/B51-5702-00 (K/K) 2148ASPEAKERSBSTANDBYPOWERMULTI CONTROLLISTEN MODESOUNDSOURCE DIRECTAUTO/CINEMA EQBANDMEMORYINPUT SELECTORVOLUME CONTROLUPDOWNPROLOGIC3 STEREOCS5.1DOLBY DIGITALDTSINPUT MODESET UPS VIDEOVL AUDIO RAV AUXDIMMERMONITORPHONESON/STANDBYONOFFIllustr

2、ation is KRF-V7050D(M).*Refer to parts list on page35. KRF-V5050D/V5050DE/V5050D-S/V5550D-S/KRF-V6050D/V6050D-S/V7050D/V7050D-S/KRF-X9050D/X9050D-SSERVICE MANUALGREENORANGEGRAYSURROUND SPEAKERSFRONTSPEAKERSCENTER SPEAKERBLUEFRONTSPEAKERS(8 16 )REDDVDVIDEO 1VIDEO 2VIDEO 3AC OUTLETS50/60HzAC110-120V/2

3、20-240VSWITCHED TOTAL90W MAX.CD/DVDOPTICALVIDEO3OPTICALDIGITALINVIDEO 2COAXIALCENTERRALCLRLRBGNDPLAYINPLAYINPLAYINVIDEO 1VIDEO 2VIDEO 3SUB WOOFER PRE OUTREC OUTPLAYINMONITORREC OUTPLAYINREC OUTMD / TAPECD / DVDPHONOAUDIOPLAYINPLAYINPLAYINREC OUTPLAYINMONITOROUTS VIDEOVIDEO 1DVDR LSYSTEMCONTROLVIDEO

4、2 INVIDEO 1 INVIDEO 3 INCD/DVDDVDMONITOR OUTVIDEO 1OUTGNDANTENNAAMDVD / 6CH. INPUTSUBWOOFERFRONTSURROUND75 sAM 10kHzFM 100kHz50 sAM 9kHzFM 50kHzDE-EMPHASISCHANNELSPACE(8 16 )(8 16 )(8 16 )FM75 AC 220-240VAC 110-120VKnob *(K29-)Knob(BUTTON) *(K27-)Front glass *(B10-)Knob *(K29-)Panel *(A60-)Phone jac

5、k(E11-0272-05)Knob *(K29-)Knob *(K29-)Knob *(K29-)Knob *(K29-)Cylindrical receptacle(E56-0033-05)Pin jack(E63-1172-05)Pin jack(E63-0127-05)Pin jack(E63-1139-05)Metallic cabinet *(A01-)Pin jack x2(E63-1143-05)Screw terminal board *(E70-)Pin jack (E63-1146-05)Pin jack(E63-1144-05)Lock terminal board(E

6、70-0128-05)AC power cord *(E30-)Miniature phone jack(E11-0293-05)AC outlet *(E03-)AC power cord bushing(J42-0083-05)Cylindrical receptacle x2(E56-0011-05)Optical receiving module(W02-2802-05)Pin jack(E63-1080-05)Slide switch(S62-0001-05)Slide switch(S62-0034-05)FM indoor antenna (1)(T90-0877-05)AM l

7、oop antenna (1)(T90-0852-05)Remote control unit (1)*AC plug adaptor (1) (E03-0115-05)* Use to adapt the plug on the power cord to the shape of the wall outlet. (Accessory only for regions where use is necessary.)Batteries (R6/AA)KRF-V5050D/V5550D/V6050D/V7050D/X9050D2CONTENTS / ACCESSORIESCONTENTS /

8、 ACCESSORIES.2WIRING DIAGRAM.3PC BOARD.9SCHEMATIC DIAGRAM.15EXPLODED VIEW.34PARTS LIST.35SPECIFICATIONS.48ContentsAccessoriesResetting the MicrocomputerThe microcomputer may malfunction (unit cannot be operated,or shows an erroneous display) if the power cord is unplugged while the power is ON, or d

9、ue to some other external factors. If this happens, execute the following procedure to reset the microcomputer and return the unit to its normal operating condition.With the power cord plugged in, turn the POWER key OFF.Then, while holding down the ON/STANDBYkey, pressPOWER key.Please note that rese

10、tting the microcomputer will clear the contentsof the memory and returns the unit to the state it was in when it leftMODELDestinationsRemote controllerParts numberModel nameBattery coverKRF-V5050DYA70-1468-15RC-R0511A09-1178-08KRF-V5050D-SMIXA70-1468-15RC-R0511A09-1178-08KRF-V5050DETA70-1469-05RC-R0

11、512A09-1178-08KRF-V5050DEE3A70-1469-05RC-R0512A09-1178-08KRF-V5050D-SE2T2A70-1469-05RC-R0512A09-1178-08KRF-V5550D-SMYA70-1507-05RC-R0617A09-1178-08KRF-V6050DYA70-1466-15RC-R0615A09-1178-08KRF-V6050D-SMIXA70-1466-15RC-R0615A09-1178-08KRF-V6050DEA70-1467-05RC-R0616A09-1178-08KRF-V7050DYA70-1464-15RC-R

12、0613A09-1178-08KRF-V7050D-SMIXA70-1464-15RC-R0613A09-1178-08KRF-V7050DETA70-1465-05RC-R0614A09-1178-08KRF-X9050DYA70-1480-05RC-R0714A09-1215-08KRF-X9050D-SMIXA70-1480-05RC-R0714A09-1215-08KRF-X9050DETA70-1481-05RC-R0715A09-1215-08Mdel name vs remote controllerCautionsKRF-V5050D/V5550D/V6050D/V7050D/

13、X9050D3WIRING DIAGRAMJ4SPEAKER ACchLchRchLchSRchSLchSURROUNDRchSPEAKER BJ5SLchSRchSURROUNDJ9J6SLchSWchSRchSURROUNDSWchJ7AC POWER CORDCN2MD/TAPEPLAYRECMD/TAPECDPHONOJ1VIDEO1INVIDEO1OUTPLAYMONITORMONITORRECJ2INVIDEO2J10INVIDEO3J3J200SYNCCONTROLSYSTEMVIDEO3 INVIDEO1 INMONITOR A OUTVIDEO1 OUTVIDEO2 INCO

14、MPOSITEDVD INVIDEOJ201J202MONITOR B OUTJ203J204VIDEO1 INDVD INVIDEO1 OUTVIDEO2 INMONITOR A OUTCN203CN7E3E4TRANSFORMERWH4CN205CN6CN4E2E1WH1WH2WH3SWchCchINPUTRSchDVD6chLSchRchLchJ2COAX. INPUTVIDEO 2DVDJ1VIDEO 3OPT. INPUTA2CD/DVD A1OPT. OUTPUT A3CN1CN5CN202CN3CN5CN2 CN100 SURR. LSUBWOOFERCENTERSURR. RP

15、RE OUT6chFRONT RFRONT LJ100CN204 CN1CN201CN1OUTRECPLAY INDVDMONITOROUTJ1VIDEO3PLAY INVIDEO1VIDEO2PLAY INPLAYINJ2Cr OUTY OUTCb OUTJ12VIDEO3CbCrDVDVIDEO3DVDYVIDEO3DVDJ11E100WH3E200AUX SVID.J3AUX RAUX COMP.AUX LJ2WH4CN206CN3GNDAMFM75E3 E2WH2HEADPHONEJ1CN101CN100J8PLAYINVIDEO1OUTRECPLAY INJ404DVDOUTMONI

16、TORJ403CN401F1CN2WH1VIDEO3PLAY INOUTVIDEO2PLAY INPLAYINVIDEO1J402RECOUTDVDPLAY IN J401MONITORDVDINF2J8WH1WH5S1CN1F3CN3WH100WH6KRF-X9050D-S (X07-329X-XX)KRF-X9050D (X07-329X-XX)KRF-V7050D-S (X07-3300-XX)KRF-V7050D (X07-330X-XX)KRF-V6050D (X07-330X-XX)KRF-V6050D-S (X07-3300-XX)KRF-V5050D (X07-330X-XX)

17、KRF-V5050D-S (X07-331X-XX) KRF-V5050DE (X07-3312-71)KRF-V5550D-S (X07-333X-XX)KRF-V5050D (X08-3060-11)KRF-V5050DE (X08-3060-11)KRF-V5050D-S (X08-3060-11)KRF-V6050D (X08-3060-11) KRF-V6050D-S (X08-3060-11)KRF-V7050D (X08-3060-12) KRF-V7050D-S (X08-3060-12)KRF-V5550D-S (X08-3060-10)KRF-X9050D (X08-306

18、0-14) KRF-X9050D-S (X08-3060-14)KRF-X9050D-S (X14-7260-XX)KRF-X9050D (X14-726X-XX)KRF-V5550D-S (X14-725X-XX)KRF-V7050D-S (X14-7260-XX)KRF-V7050D (X14-726X-XX)KRF-V6050D-S (X14-7250-XX)KRF-V6050D (X14-725X-XX)KRF-V5050D-S (X14-725X-XX)KRF-V5050DE (X14-7252-71)KRF-V5050D (X14-7XXX-XX)KRF-X9050D-S (X35

19、-2252-71)KRF-X9050D (X35-2252-71)1219111911717 1 122133111515111223112312929112919121121111919 111515 17171131331151115WWF1T111931F23115F3T3.15A L 250V240V120V131221: AC240V 50Hz: AC230V 50Hz(X)(T,E): AC110-120V/220-240V50/60Hz(Y,M,I)CN3CN2MALASIAGENERAL MARKET MI0-21COUNTRYDESTINATIONABB.UNIT No.EU

20、ROPE E 2-71AUSTRALIA X0-51U.K. T0-71COUNTRY ABB.PX 2-91YDESTINATIONUNIT No.ABB.COUNTRYAUSTRALIAMALASIAGENERAL MARKETXMI0-710-21UNIT No.DESTINATIONUNIT No.DESTINATIONCOUNTRYYETABB.2-910-51U.K.EUROPEPX2-71UNIT No.EUROPECOUNTRYDESTINATIONPX YEABB.2-922-72UNIT No.DESTINATIONCOUNTRY ABB.0-720-22AUSTRALIA

21、GENERAL MARKETMALASIAXIM0-512-71UNIT No.DESTINATIONCOUNTRY ABB.2-91EUROPEPXU.K. TEY2-71UNIT No.DESTINATIONCOUNTRYEUROPEABB.E20-510-21U.K. T20-71AUSTRALIA XGENERAL MARKETMALASIAMIUNIT No.COUNTRYDESTINATIONEUROPEABB.E3 2-71UNIT No.COUNTRYDESTINATIONABB.0-21GENERAL MARKET MPX 2-91YUNITDESTINATION0-11No

22、.COUNTRY ABB.PX YEUROPE E2T2U.K.0-11No.UNITEUROPE E3DESTINATIONCOUNTRY ABB.COUNTRYDESTINATIONEUROPE EABB.UNITNo.U.K. TMGENERAL MARKETXAUSTRALIAIMALAYSIA 0-11DESTINATIONCOUNTRYUNITABB. No.PX YEEUROPE0-11COUNTRYDESTINATION0-11ABB. No.UNITGENERAL MARKETAUSTRALIAMALAYSIAMXIDESTINATIONCOUNTRY0-12ABB. No.

23、UNITPX YEUROPE EU.K. TCOUNTRYDESTINATIONNo.ABB.0-12UNITGENERAL MARKETAUSTRALIAMALAYSIAMXICOUNTRYDESTINATION UNITABB. No.0-10MGENERAL MARKETCOUNTRYDESTINATION UNIT0-14ABB. No.PXEUROPEU.K. TEYDESTINATIONCOUNTRY0-14ABB. No.UNITIXMGENERAL MARKETAUSTRALIAMALAYSIAPX YMALAYSIAAUSTRALIAGENERAL MARKETCOUNTRY

24、DESTINATIONU.K.EUROPEPXDESTINATIONCOUNTRYGENERAL MARKETDESTINATIONCOUNTRYMALAYSIAAUSTRALIAGENERAL MARKETDESTINATIONCOUNTRYU.K.EUROPEPXCOUNTRYDESTINATIONE2-92No.ABB.IMX0-22UNITTABB.YNo.UNITUNITABB.M 0-23No.X0-21IABB.MNo.UNITUNITTE2-91ABB.YNo.MALAYSIAAUSTRALIAGENERAL MARKETDESTINATIONCOUNTRYEUROPEPXCO

25、UNTRYDESTINATIONMALAYSIAGENERAL MARKETU.K.EUROPEDESTINATIONCOUNTRYCOUNTRYDESTINATIONEUROPEU.K.EUROPEPXCOUNTRYDESTINATIONX0-22IUNITABB.MNo.Y 2-91E 2-72ABB. No.UNITT2E2I0-21ABB.MNo.UNITE3ABB.UNITNo.TABB. No.EY 362-90UNIT2-712-71252-710-722-710-712-720-72EEUROPEMALAYSIAAUSTRALIA XIDESTINATIONCOUNTRYGEN

26、ERAL MARKETABB.MUNITNo.TU.K.COUNTRYDESTINATIONABB.YPXUNITNo.2-712-71AUSTRALIA X 0-71PX Y 2-92(X07) (B/4)POWER AMPLIFIER UNIT(X14-7XXX-XX) (A/8)(X14- ) (F/8)(X14- ) (D/8)(X14- ) (C/8)(X08-30XX-XX)(X35-2252-71)(W02-277X)(X14) (E/8)(X14) (B/8)(X07-3XXX-XX) (A/4)u-COM UNITSURROUND UNITVIDEO UNITDISPLAY

27、UNITHEADPHONE UNITTUNER UNIT(X14) (H/8)KRF-V7050D/D-SUSED ONLYKRF-X9050D/D-S USED ONLYKRF-V5550D-SUSED ONLYKRF-X9050D/D-SUSED ONLYKRF-V7050D/D-SUSED ONLYUSED ONLYKRF-X9050D/D-SEXCEPT USEDKRF-V5550D-SUSED ONLYKRF-X9050D/D-SX9050D/D-SUSED ONLYUSED ONLYV7050D/D-SUSED ONLYV6050D/D-SV7050D/D-SUSED ONLYKR

28、F-V5050D/D-S/DEKRF-V5550D-SUSED ONLYV5050D/D-S/DEUSED ONLYV6050D/D-SV5050D/D-S/DEEXCEPT USEDKRF-X9050D/D-SUSED ONLYKRF-V6050D/D-SKRF-V5550D-SUSED ONLYKRF-X9050D/D-SX9050D/D-SV6050D/D-S,V5050D/D-S/DEKRF-V5550D-SUSED ONLYKRF-V6050D/D-S,V7050D/D-SKRF-V5550D-S/V5050D/D-S/DEEXCEPT USEDEXCEPT USEDKRF-V555

29、0D-SV5050D/D-S/DEKRF-X9050D/D-SKRF-V7050D/D-SKRF-V7050D/D-S(E)TYPE ONLY(X07) (C/4)(X00-3000-20)(X07)(D/4)EXCEPT(M,Y,I)TYPEUSED(M,Y,I)TYPE(X14) (G/8)KRF-V7050D/D-SKRF-V5050D/D-S/DEKRF-V6050D/D-SKRF-V5550D-SKRF-V5050D/V5550D/V6050D/V7050D/X9050D4CIRCUIT DESCRIPTION0 : Pulldown,1:Pull upSET TYPETYPEBAN

30、DRECEIVING FREQUENCY RANGECHANNELSPACEIFPLLTuner Destination PortPORT3(68PIN)(CP205)PORT2(67PIN)(W109)PORT1(66PIN)(W105)PORT0(65PIN)(W106)K, P, RK11700FM87.5MHz-108.0MHz100kHz+10.7MHz25kHz0000AM530kHz-1700kHz10kHz+450kHz10kHzY, M, I,C, VK21610FM87.5MHz-108.0MHz100kHz+10.7MHz25kHz0001AM530kHz-1610kHz

31、10kHz+450kHz10kHzYK31610RBDSFM87.5MHz-108.0MHz100kHz+10.7MHz25kHz0010AM530kHz-1610kHz10kHz+450kHz10kHzK, PK41700RBDSFM87.5MHz-108.0MHz100kHz+10.7MHz25kHz1010AM530kHz-1700kHz10kHz+450kHz10kHzY, M, I, C, V, E, X, HE1FM87.5MHz-108.0MHz50kHz+10.7MHz25kHz0011AM531kHz-1602kHz9kHz+450kHz9kHzTE2LWFM87.5MHz-

32、108.0MHz50kHz+10.7MHz25kHz0100MW531kHz-1602kHz9kHz+450kHz9kHzLW153kHz-279kHz9kHz+450kHz9kHzE, TE3RDSFM87.5MHz-108.0MHz50kHz+10.7MHz25kHz0101AM531kHz-1602kHz9kHz+450kHz9kHzTE4LWRDSFM87.5MHz-108.0MHz50kHz+10.7MHz25kHz0110MW531kHz-1602kHz9kHz+450kHz9kHzLW153kHz-279kHz9kHz+450kHz9kHzQQ1RDSFM L65.0MHz-74

33、.0MHz10kHz+10.7MHz5kHz1011FM H87.5MHz-108.0MHz50kHz+10.7MHz5kHzAM531kHz-1602kHz9kHz+450kHz9kHzQQ2RDSFM L65.0MHz-74.0MHz10kHz+10.7MHz5kHz1100FM H87.5MHz-108.0MHz50kHz+10.7MHz5kHzMW531kHz-1602kHz9kHz+450kHz9kHzLW153kHz-279kHz9kHz+450kHz9kHzY, M, I,C, VMK2/E1 are decided by Tuner Destination Port 1 inp

34、ut.(0=K2 type 1=E1 type)00X1YYRBDSK3/E1 are decided by Tuner Destination Port 0 input.(0=K3 type 1=E1 type)001X1. Initial and Backup Function1-1 Initial StateBelow are set value if the microcomputer is initializedwhen reset:(1) AMP function initialization POWERPOWER OFF (STANDBY) Input SelectorTUNER

35、 Preset deviceNone Visual outputVIDEO1 Speaker A relayON Speaker B relayOFF Volume-66dB BASS0dB TREBLE0dB INPUT LEVEL0dB SOURCE DIRECT0dB MONITOR0dB VIDEO2/MONITORVIDEO2 MD/TAPETAPE RF BANDBAND 1(2) SURROUND function initialization LISTEN MODESTEREO INPUT MODECD/DVDDIGITAL AUTOVIDEO2ANALOGVIDEO3ANAL

36、OGDVD/6chDIGITAL AUTO SUBWOOFERON FRONT speaker sizeLARGE CENTER speaker sizeNORMAL SURROUND speaker sizeNORMAL DISTANCEFch3.0m / 10ftCch3.0m / 10ftSch1.5m / 5ft LEFT level0dB RIGHT level0dB CENTER level0dB REAR (SL,SR) level0dB SUBWOOFER level0dB MIDNIGHTOFF CINEMA EQOFF(3) TUNER function initializ

37、ation BANDFM PRESET CHANNEL“-“ Frequency receiveEach destination minimum valueK1/K2FM : 87.50 MHzAM : 530 kHzE1FM : 87.50 MHzAM : 531 kHz AUTO MANUALAUTO1-2 Backup FunctionWhen the AC power supply is turned off, the receiver micro-computer enters the backup mode. As a result, it will returnto the la

38、st state before the AC OFF when the AC power sup-ply is turned ON again2. Destination List of TunerKRF-V5050D/V5550D/V6050D/V7050D/X9050D5CIRCUIT DESCRIPTIONX14,ED2FLX05,IC2(PLL) X1411-MT-125GKX07,IC8/11 RF-RC DEMODULATOR UNIT REMOCON KEY GETNJU7313AL LV2105V REMOCON1 STANDBY(S1) X14SEL.DT,SEL.CLK,S

39、EL.ST1, RFRCV.CS,RFRCV.DATA, REMOCON2BAND(S13)LEDSEL.ST2 RFRCV.CLK IR.SWX14 FL DRIVER DTS.LED,VR-509/510 onlyUPD16311 DOL.DIG.LED,CS.LED,X08,IC51Din,Dout,STB,CLK THX.LEDCS493263DSP.LEDDSP1 DSP.INTREQ,DSP.CDIN, X14DSP.CDOUT,DSP.CCLK,LED X14DSP.CS,DSP.PDSTANDBY.LED(D1) KEY GETX08,IC61 MAIN KEY( KRF-X9

40、050D/VR-510 only)CS493302 RELAYDSP2 DSP.INTREQ,DSP.CDIN, POWER.RLY,SPA.RLY,SPB.RLY,DSP.CDOUT,DSP.CCLK,MN101C49GLDCENTER.RLY,SURR.RLY,DSP.CS,DSP.PD(KRF-X9050D/VR-510 only)LIMITER,PACK.CONTMN101C49GLE(others)X08,IC2 X14AK4527B ENCODERCODEC.CDIN,CODEC.CDOUT, VOL.ENC.A,VOL.ENC.B,(S15)CODEC.CCLK,CODEC.CS

41、,SEL.ENC.A,SEL.ENC.B(S14)CODEC.PD,CODEC.CLIPX200MULTI.ENC.A,MULTI.ENC.B(S16)X14,IC401 403X08,IC5 OSC VIDEO ICDIGITAL AUDIO RECEIVER8.38MHzVIDEO.CTRLA,VIDEO.CTRLBAK4112AVFVIDEO.CTRLC,VIDEO.CTRLDDIR.CDIN,DIR.CDOUT,DIR.CCLK,COMPONENT1,CONPONENT2DIR.PD,DIR.ERR,DIR.AUTODESTINATIONTUNER DESTPROTECTIONMODE

42、L TYPETHERMAL.SENS,PROTECTION1,MUTEPROTECTION2A.MUTE,/PRE.OUT.MUTET.MUTE,/20dB.ATT,/V.MUTEX14,IC100 TUNER PACK TUNER PACKBU1923 TUNER LC72131X14,J200RDS.CLK,RDS.DATA SD,/STEREO,CH.SPACE PLL.DO,PLL.DT,PLL.CK,SERIAL RDS DEMODULATORS.LEVEL PLL.CES.DATA,S.BUSY(T/E type only)X08,IC15SOUND CONTROLLERM6244

43、6FPVOL.DT,VOL.CLK,VOL.ST3. Microprocessor: MN101C49GLE or MN101C49GLD(X14,IC200)3-1 Microprocessor Periphery block diagramKRF-V5050D/V5550D/V6050D/V7050D/X9050D6CIRCUIT DESCRIPTIONPin No.Pin NameI/ODescription1VREF-Connected to ground.2TH SENSIProtection signal detection port for thermal sensor.3PRO

44、T1IProtection signal detection port for over current.4PROT2IProtection signal detection port for over voltage.5SLEVEL-Detection port of RDS signal level.6KEY GETIA/D key input for band and standby.7CE2IDetection port of chip enable 2 for microprocessor.8CE1IDetection port of chip enable 1 for microp

45、rocessor.9DIG DETIDetection port of digital signal for DTS.10VREF-A/D reference voltage.11VDD-Power supply(+5v) for microprocessor.12OSC2OMain clock output(8.38MHz).13OSC1IMain clock input(8.38MHz).14VSS-Connected to ground.15XI-Connected to ground.16XO-Unused.17MMCD-Connected to ground.18DIR/CODEC

46、DINOData output to DIR/CODEC.19DIR/CODEC DOUTIData input port from DIR/CODEC.20DIR/CODEC CLKOClock output to DIR/CODEC.21DSP DINOData output port to DSP.22DSP DOUTIData input port from DSP.23DSP CLKOClock output port to DSP.24DSP CE1OChip enable 1 output to DSP.25DSP CE2OChip enable 2 output to DSP.

47、26REM IIRemote control signal input 1(Front panel).27REM 0IRemote control signal input 1(Rear panel).28DIR ERRIDetection port for DIR ERROR signal.29RDS CLKIClock input of RDS demodulator IC.30DPS IRQ1IDetection port 1for DSP INTREQ.31DPS IRQ2IDetection port 2 for DSP INTREQ.32NC-Unused.33RESETIRese

48、t signal input for microprocessor.34DSP PD1OPD output port 1for DSP.35DSP PD2OPD output port 2 for DSP.36DIR PDOPower down mode port for DIR.37CODEC PDOPower down mode port for CDDEC.38CODEC CLIPIOverflow detection port for CODEC analog signal.39CODEC CEOChip select for CODEC.40RDS DINIData input of RDS demodulator IC.41NC-Unused.42FL DINOData output to FL driver.43FL DOUTIData input from FL driver.44FL CLKOClock output to FL driver.45FL CEOCE output to FL driv