Kenwood-KRFV5550D-avr-sm 维修电路原理图.pdf

《Kenwood-KRFV5550D-avr-sm 维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Kenwood-KRFV5550D-avr-sm 维修电路原理图.pdf（38页珍藏版）》请在收音机爱好者资料库上搜索。

1、70%AUDIO VIDEO SURROUND RECEIVER 2001-2/B51-5702-00 (K/K) 2148A SPEAKERS BSTANDBYPOWERMULTI CONTROLLISTEN MODESOUNDSOURCE DIRECTAUTO/CINEMA EQBANDMEMORYINPUT SELECTORVOLUME CONTROLUPDOWNPROLOGIC3 STEREOCS5.1DOLBY DIGITALDTSINPUT MODESET UPS VIDEOVL AUDIO RAV AUXDIMMERMONITORPHONESON/STANDBYONOFFIllu

2、stration is KRF-V7050D(M).* Refer to parts list on page 35. KRF-V5050D/V5050DE/V5050D-S/V5550D-S/KRF-V6050D/V6050D-S/V7050D/V7050D-S/KRF-X9050D/X9050D-SSERVICE MANUALGREENORANGEGRAYSURROUND SPEAKERSFRONT SPEAKERSCENTER SPEAKERBLUEFRONT SPEAKERS(8 16 )REDDVDVIDEO 1VIDEO 2VIDEO 3AC OUTLETS50/60HzAC110

3、-120V/220-240VSWITCHED TOTAL 90W MAX.CD/DVDOPTICALVIDEO3OPTICALDIGITAL INVIDEO 2COAXIALCENTERRALCLRLRBGNDPLAY INPLAY INPLAY INVIDEO 1VIDEO 2VIDEO 3SUB WOOFER PRE OUTREC OUTPLAY INMONITORREC OUTPLAY INREC OUTMD / TAPECD / DVDPHONOAUDIOPLAY INPLAY INPLAY INREC OUTPLAY INMONITOROUTS VIDEOVIDEO 1DVDRLSY

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

5、l *(A60-)Phone jack(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)Loc

6、k terminal board(E70-0128-05)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)RadioFans.CN 收音机爱 好者

7、资料库FM indoor antenna (1)(T90-0877-05)AM loop 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/V7050

8、D/X9050D2CONTENTS / ACCESSORIESCONTENTS / 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 po

9、wer cord is unplugged while the power is ON, or due 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

10、/STANDBY key, pressPOWER 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 leftMODELDestinationsRemote controllerParts numberModel nameBattery coverKRF-V5050DYA70-1468-15RC-R0511A09-1178-08KRF-V5050D-SMIXA70-146

11、8-15RC-R0511A09-1178-08KRF-V5050DETA70-1469-05RC-R0512A09-1178-08KRF-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-V6050DEA70-1

12、467-05RC-R0616A09-1178-08KRF-V7050DYA70-1464-15RC-R0613A09-1178-08KRF-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

13、 controllerCautionsRadioFans.CN 收音机爱 好者资料库KRF-V5050D/V5550D/V6050D/V7050D/X9050D3WIRING DIAGRAMJ4SPEAKER ACchLchRchLchSRchSLchSURROUNDRchSPEAKER BJ5SLchSRchSURROUNDJ9J6SLchSWchSRchSURROUNDSWchJ7AC POWER CORDCN2MD/TAPEPLAYRECMD/TAPECDPHONOJ1VIDEO1INVIDEO1OUTPLAYMONITORMONITORRECJ2INVIDEO2J10INVIDEO3J

14、3J200SYNCCONTROLSYSTEMVIDEO3 INVIDEO1 INMONITOR A OUTVIDEO1 OUTVIDEO2 INCOMPOSITEDVD INVIDEOJ201J202MONITOR B OUTJ203J204VIDEO1 INDVD INVIDEO1 OUTVIDEO2 INMONITOR A OUTCN203CN7E3E4TRANSFORMERWH4CN205CN6CN4E2E1WH1WH2WH3SWchCchINPUTRSchDVD6chLSchRchLchJ2COAX. INPUTVIDEO 2DVDJ1VIDEO 3OPT. INPUTA2CD/DVD

15、A1OPT. OUTPUTA3CN1CN5CN202CN3CN5CN2CN100SURR. LSUBWOOFERCENTERSURR. RPRE OUT6chFRONT RFRONT LJ100CN204CN1CN201CN1OUTRECPLAY INDVDMONITOROUTJ1VIDEO3PLAY INVIDEO1VIDEO2PLAY INPLAYINJ2Cr OUTY OUTCb OUTJ12VIDEO3CbCrDVDVIDEO3DVDYVIDEO3DVDJ11E100WH3E200AUX SVID.J3AUX RAUX COMP.AUX LJ2WH4CN206CN3GNDAMFM75E

16、3E2WH2HEADPHONEJ1CN101CN100J8PLAYINVIDEO1OUTRECPLAY INJ404DVDOUTMONITORJ403CN401F1CN2WH1VIDEO3PLAY INOUTVIDEO2PLAY INPLAYINVIDEO1J402RECOUTDVDPLAY INJ401MONITORVIDEO2INDVDINF2J8WH1WH5S1CN1F3CN3WH100WH6KRF-X9050D-S (X07-329X-XX)KRF-X9050D (X07-329X-XX)KRF-V7050D-S (X07-3300-XX)KRF-V7050D (X07-330X-XX

17、)KRF-V6050D (X07-330X-XX)KRF-V6050D-S (X07-3300-XX)KRF-V5050D (X07-330X-XX)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

18、)KRF-V7050D-S (X08-3060-12)KRF-V5550D-S (X08-3060-10)KRF-X9050D (X08-3060-14)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 (X14-725

19、X-XX)KRF-V5050DE (X14-7252-71)KRF-V5050D (X14-7XXX-XX)KRF-X9050D-S (X35-2252-71)KRF-X9050D (X35-2252-71)121911191171711 2213311151511122311231292911291912112111191911151517171131331151115WWF1T111931F23115F3T3.15A L 250V240V120V131221: AC240V 50Hz: AC230V 50Hz(X)(T,E): AC110-120V/220-240V50/60Hz(Y,M,

20、I)CN3CN2MALASIAGENERAL MARKETMI0-21COUNTRYDESTINATIONABB.UNIT No.EUROPEE2-71AUSTRALIAX0-51U.K.T0-71COUNTRYABB.PX2-91YDESTINATIONUNIT No.ABB.COUNTRYAUSTRALIAMALASIAGENERAL MARKETXMI0-710-21UNIT No.DESTINATIONUNIT No.DESTINATIONCOUNTRYYETABB.2-910-51U.K.EUROPEPX2-71UNIT No.EUROPECOUNTRYDESTINATIONPXYE

21、ABB.2-922-72UNIT No.DESTINATIONCOUNTRYABB.0-720-22AUSTRALIAGENERAL MARKETMALASIAXIM0-512-71UNIT No.DESTINATIONCOUNTRYABB.2-91EUROPEPXU.K.TEY2-71UNIT No.DESTINATIONCOUNTRYEUROPEABB.E20-510-21U.K.T20-71AUSTRALIAXGENERAL MARKETMALASIAMIUNIT No.COUNTRYDESTINATIONEUROPEABB.E32-71UNIT No.COUNTRYDESTINATIO

22、NABB.0-21GENERAL MARKETMPX2-91YUNITDESTINATION0-11No.COUNTRYABB.PXYEUROPEE2T2U.K.0-11No.UNITEUROPEE3DESTINATIONCOUNTRYABB.COUNTRYDESTINATIONEUROPEEABB.UNITNo.U.K.TMGENERAL MARKETXAUSTRALIAIMALAYSIA0-11DESTINATIONCOUNTRYUNITABB.No.PXYEEUROPE0-11COUNTRYDESTINATION0-11ABB.No.UNITGENERAL MARKETAUSTRALIA

23、MALAYSIAMXIDESTINATIONCOUNTRY0-12ABB.No.UNITPXYEUROPEEU.K.TCOUNTRYDESTINATIONNo.ABB.0-12UNITGENERAL MARKETAUSTRALIAMALAYSIAMXICOUNTRYDESTINATIONUNITABB.No.0-10MGENERAL MARKETCOUNTRYDESTINATIONUNIT0-14ABB.No.PXEUROPEU.K.TEYDESTINATIONCOUNTRY0-14ABB.No.UNITIXMGENERAL MARKETAUSTRALIAMALAYSIAPXYMALAYSIA

24、AUSTRALIAGENERAL MARKETCOUNTRYDESTINATIONU.K.EUROPEPXDESTINATIONCOUNTRYGENERAL MARKETDESTINATIONCOUNTRYMALAYSIAAUSTRALIAGENERAL MARKETDESTINATIONCOUNTRYU.K.EUROPEPXCOUNTRYDESTINATIONE2-92No.ABB.IMX0-22UNITTABB.YNo.UNITUNITABB.M0-23No.X0-21IABB.MNo.UNITUNITTE2-91ABB.YNo.MALAYSIAAUSTRALIAGENERAL MARKE

25、TDESTINATIONCOUNTRYEUROPEPXCOUNTRYDESTINATIONMALAYSIAGENERAL MARKETU.K.EUROPEDESTINATIONCOUNTRYCOUNTRYDESTINATIONEUROPEU.K.EUROPEPXCOUNTRYDESTINATIONX0-22IUNITABB.MNo.Y2-91E2-72ABB.No.UNITT2E2I0-21ABB.MNo.UNITE3ABB.UNITNo.TABB.No.EY362-90UNIT2-712-71252-710-722-710-712-720-72EEUROPEMALAYSIAAUSTRALIA

26、XIDESTINATIONCOUNTRYGENERAL MARKETABB.MUNITNo.TU.K.COUNTRYDESTINATIONABB.YPXUNITNo.2-712-71AUSTRALIAX0-71PXY2-92(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 UNI

27、TVIDEO UNITDISPLAY 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-SV7

28、050D/D-SUSED ONLYKRF-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 USED

29、EXCEPT USEDKRF-V5550D-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 : Pull down,1:Pu

30、ll upSET TYPETYPEBANDRECEIVING 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+10.7MHz25kHz

31、0001AM530kHz-1610kHz10kHz+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+450kH

32、z9kHzTE2LWFM87.5MHz-108.0MHz50kHz+10.7MHz25kHz0100MW531kHz-1602kHz9kHz+450kHz9kHzLW153kHz-279kHz9kHz+450kHz9kHzE, TE3RDSFM87.5MHz-108.0MHz50kHz+10.7MHz25kHz0101AM531kHz-1602kHz9kHz+450kHz9kHzTE4LWRDSFM87.5MHz-108.0MHz50kHz+10.7MHz25kHz0110MW531kHz-1602kHz9kHz+450kHz9kHzLW153kHz-279kHz9kHz+450kHz9kHz

33、QQ1RDSFM L65.0MHz-74.0MHz10kHz+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 De

34、stination Port 1 input.(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)

35、 Input SelectorTUNER 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 AUTOVI

36、DEO2ANALOGVIDEO3ANALOGDVD/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) TUNE

37、R function initialization 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

38、 will returnto the last 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)X14 11-MT-125GKX07,IC8/11RF-RC DEMODULATOR UNITREMOCONKEY GETNJU7313ALLV2105VREMOCON1STANDBY(S1)X14SE

39、L.DT,SEL.CLK,SEL.ST1,RFRCV.CS,RFRCV.DATA,REMOCON2BAND(S13)LEDSEL.ST2RFRCV.CLKIR.SWX14 FL DRIVERDTS.LED, VR-509/510 onlyUPD16311DOL.DIG.LED,CS.LED,X08,IC51Din,Dout,STB,CLKTHX.LEDCS493263DSP.LEDDSP1DSP.INTREQ,DSP.CDIN,X14DSP.CDOUT,DSP.CCLK,LEDX14DSP.CS,DSP.PDSTANDBY.LED(D1) KEY GETX08,IC61 MAIN KEY( K

40、RF-X9050D/VR-510 only)CS493302RELAYDSP2DSP.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.CONT MN101C49GLE(others)X08,IC2X14AK4527BENCODERCODEC.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,IC401403X08,IC5OSCVIDEO ICDIGITAL AUDIO RECEIVER8.38MHzVIDEO.CTRLA,VIDEO.CTRLBAK4112AVFVIDEO.CTRLC,VIDEO.CTRLDDIR.CDIN,DIR.CDOUT,DIR.CCLK,COMPONENT1,CONPONENT2DIR.PD,DIR.ERR,DIR.AUTODESTINATIONTUNER DESTPROTECTIONMODEL T

42、YPETHERMAL.SENS,PROTECTION1,MUTEPROTECTION2A.MUTE,/PRE.OUT.MUTET.MUTE,/20dB.ATT,/V.MUTEX14,IC100TUNER PACKTUNER PACKBU1923TUNERLC72131X14,J200RDS.CLK,RDS.DATASD,/STEREO,CH.SPACEPLL.DO,PLL.DT,PLL.CK,SERIALRDS DEMODULATORS.LEVELPLL.CES.DATA,S.BUSY(T/E type only)X08,IC15SOUND CONTROLLERM62446FPVOL.DT,V

43、OL.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.3PROT1IProtecti

44、on signal detection port for over current.4PROT2IProtection signal detection port for over voltage.5S LEVEL-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 microprocessor.9

45、DIG 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 DINOData o

46、utput 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.26REM IIRe

47、mote 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.33RESETIReset signal i

48、nput 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 demod

49、ulator 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 driver.3-2 Pin Description of MicroprocessorKRF-V5050D/V5550D/V6050D/V7050D/X9050D7CIRCUIT DESCRIPTIONPin No.Pin NameI/ODescription46TUNER DINOData o

50、utput to PLL IC.47TUNER CLKOClock output to PLL IC.48TUNER CEOChip enable output to PLL IC.49TUNER DOUTIData input from PLL IC.50TUNER MUTEOMute signal output to PLL IC.51TUNER STEREOIStereo signal input from PLL IC.52TUNER SDISD signal input from PLL IC.53RFRCV CEOChip select output to RF remote co