Kenwood KRF-X7775D Service Manual

Also see for KRF-X7775D: User guide User guide Connection and setup guide

Contents

AIZ AB AD AF AHAA AC AE AGCN1CN2ROM(DSP/DIR/DAC/ADC)(DAC/ADC)SUB u-COM(SUB u-COM)+3.3V AVRA/DD5 D6IC8 (1/2)IC9IC9(1/2)(2/2) IC8 (2/2)+5V AVR+3.3V AVRD4 D3(2/2)IC12D/AIC12(1/2)Lch(2/2)IC13(1/2)IC13Rch(DSP/VIDEO CONT.)CHANGELEVELOVER(5.0V 3.3V)BUFFERA/D INPUTFILTERDAC OUTC D1234567891011121314151617181920A16A15A14A13A12A11A9A8WERESETVPPRDY/BUSYA18A7A6A5A4A3A2A14039383736353433323130292827262524232221A17GNDNCA-1A10I/07I/06I/05I/04VCCVCCNCI/03I/02I/01I/00OEGNDCEA04039383736353433323130292827262524232221201918171615141312111098765432161626364656667686970717273747576777879804142434445464748495051525354555657585960DTS DETDSP WRTDSP BUSYDSP ACKDSP REQDSP D7DSP D6VSSDSP D5DSP D4DSP D3DSP D2DSP D1DSP D0DSP RESETDSP-POWERDSELCDSELBDSELAREC 6dBSREQMREQMCKSDTMDTADC RSTDAC MUTEDAC 96KDAC PDD MUTEDIR CLKDIR DOUTDIR DINAVREFDIR CSDIR PDAVSSAUTOFS96 DETERFYC-MUTEFSC-CTRLV-SELCTRL-A2CTRL-BCTRL-AVSSVDDX2X1TESTXT2XT1VDDAVDDNCC DETY DETCK DETOPT DETPCM ZEROHDCD DETHDCD6DB DETOVERLEVELPCM MUTEDRIVESUB MUTEC ROOMB CC ROOMB BC ROOMB AYC-SEL-AC ROOMA GC ROOMA FC ROOMA EC ROOMA DC ROOMA CC ROOMA BC ROOMA ARESET1234567891011121314151617181920FSC-CTRL20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1SUB SREQR718 100R717 100R716 100R715 100R714 100R713 100R711 100R712 100R709 4.7KR707 100R708 100R706 100R705 100R704 100R703100R701 100R702 100GNDINOUTR958 1 R955 1R959 1 R956 1R960 1 R957 1R967 1R965 1R966 1R964 1R962 1R963 11000u10C9550.01C956+B+B+3.3V1920161718R915 47KR914 47KR912 47KR913 47KR812 47KR811 47KR813 47KR911 47KR804 47KR805 47KR806 47KR808 47KR807 47KR809 47KR810 47KR802 47KR801 47KR803 47KR884 470R883 470R887 4705958OUT INGND61R890 47052R891 47049R894 47048R895 470220R896 22091222022022022077R8551M1000PC805R860 47KR859 18KR867 18KR858 12KR864 47KR854 47KR852 47KR851 47KR853 47KR862 47KR863 47K53136134792423223130292827R814 47KR815 47KR816 47KR822 47KR820 47KR821 47KR823 47KR825 47KR824 47KR826 47KR831 47KR830 47KR828 47KR829 47KR833 47KR834 47KR835 47KR843 10KR845 47KR844 47KR846 47KR847 47KR848 47KR868 47KR850 47KR849 47K545655590.01C806180R954+3.3V141312111098VCC1234567 GND912521618R904 470+5V1R724180R95217117017319018017417517818316618418518818919319447u25C951++1000PC960R886 470R885 470R889 470R888 470100u10C958+10DPS 47K470PSMODE2SMODE1LRCKBCLKMCLKSDATAFSYNC1718161514111312R203 47KR204 47KC213+47u25C205+5V47K1000P+10u50VCOMRAINL+AINL-VREF LGND LZCALVDDGNDCALRSTGND RVCOMRAINR+AINR-A.GNDB.GNDTESTHPFE232221VA201926252724VREF R 28100u107+8934265+3.3VC203R202 1KC202100R2101+10u504100PC2284.7K16.6VR22227K32 1100PC227R2281C23423C23356 8 7R2274.7KR2255608 7652200PR2344702200P470R23310u50C959+R882 470R881 470R879 470R880 470R878 470R876 5.1KR877 470R875 470R873 470R874 470R872 470R871R201 1R235470R205R206C206C207C2011000PR2071252447u25+C229100PC22327KR221C22110u50+40.01C98154321GNDNCVOUTON/OFFVIN+5V+6.3V+5.7V+5.7V+6.3V1KR961R2112204.7KR22922PC231R22312K150PC225R2304.7K22PC232C224100P470R236+16.9V560R226 47u25+C2302524470PC21547PC2122323R208 10KR209 10KC208 47u25+470PC214470PC216C226150P12KR22410u50+C222470R330470R329101413 DIF1DIF2DEM012DEM1DIF011MCLKSDATAR303 1KR304 1K7SMUTE8DFS9LRCKR302 1K 45 BICK6PDR30132 DVSS1DVDD10C315100PC31322P4.7KR31919BVSS 15+5V+5VAVSSAVDDVREFLVREFH 171618++C31221R314R3131.8KR324 C318R3182700P 1K1KR31785C3325P 6201.8KC31422P4.7KR320C316100PC3220.022100PC32074.7KR322R326680680R328+BC311CKS0C307 100PC306 10u50AOUTL-AOUTR-AOUTR+ 2120222021P/S 25VCOMAOUTL+ 2324R3121.8K+R3111.8KCKS2CKS1282627C3010.1C3315P2700PR3161K2431KR315680R3271100PC319R3256800.022C32110R323 C317100P5 86C3261000P7 R332120+B4700PC328R3351C3251000P234R331C3274700P1201100PC329100PC33010 100P 1R336R953180 180R951121113R861 1C801 0.011415109865213R819 47KR818 47KR817 47K353432R832 47KR827 47K20619819919720115780138137R836 47KR837 47KR838 47KR839 47KR840 47KR842 10KR841 10K495150485258571KR865C803 10u50+C804 0.01R867 1R869 47K78790.01C802R856 11KR8666MHzX3666564616263R733 1R902 470C707 0.01+3.3V+B+3.3V+3.3V+3.3V+B+B23242221R892 470R893 470 50515554535756646563627923222178776624312+B+B+BR7104.7KC7041000P+5V+5V+5V +5V+5V +5V3523212219474798+3.3V+3.3V+3.3V+3.3V517470R90119R999180YC-SEL-B+3.3V470470V-SELCTRLA2CTRL3Y-DETCK-DETC-DETCTRLADSELCHD CD+6dB1394DADSELBTX.OPTDSELARX.OPTOPT.VDDOPT.GNDD.GNDD.VDDD.VDD16.6V+16.9V16.6V+16.9V16.6VR905R900R899R898R903R897SUB MREQSUB MCKSUB MDTSUB SDTSUB RESETSUB MUTEC ROOMB CC ROOMB AYC-SEL-AYC-SEL-BC ROOMB AC ROOMA EC ROOMA DC ROOMA CC ROOMA FC ROOMA GYC-MUTEC ROOMA AC ROOMA B4701314121511+15.5V+15.5V+B+3.3V+3.3V+3.3V+3.3V+3.3V+3.3V+3.3VC954 47u25+C323100PC324100PC236 100P16.6V100PC235IC8,9IC12,131R30510R306R3071C304C302C305C30310u50100u10100P1000P+B+B+B+B10R33410R333B B+B+3.3V+3.3V+B+B +B4.7KR321+B+B +B+BIC32IC43IC53IC51IC44(X08-3XXX-XX)IC7IC52IC115.1V5.1V5.0V3.3V3.3V6.3V5.7V3.3V3.3V3.3V3.3V3.3V3.3V3.3V16.9V-16.6V3.3V3.3V5.1V16.9V-16.6V3.3V3.3V3.3V14.7V15.5V5.1V3.3V13.8V6.0V 6.1V5.1VAZ-7 BA-7