Denon AVR-785 Service Manual
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73AVR-1905/785 AVC-1590SCHEMATIC DIAGRAMS (2/13)DSP UNIT -1(For ALL MODEL)SCHEMATIC DIAGRAMS (2/13)1 2 3 4 5 6 7 8 9 10 11ABCDEFGHAVR-1905/785 AVC-1590DSP_41DSP_43DSP_49GND GNDGND+3.3V+3.3V+3.3V+1.2V10/50C908 +5VA+5VA+3.3V+5VD +5VDIC818(573)_12DSP_51 IC818(573)_14 DSP_52DSP_49 IC818(573)_16DSP_39 IC818(573)_18DSP_33DSP_24 IC819(573)_14DSP_29DSP_26 DSP_29DSP_43 IC819(573)_16 DSP_30DSP_41 IC818(573)_19 DSP_33IC818(573)_19DSP_39DSP_51DSP_49DSP_17 DSP_34DSP_25 DSP_30DSP_35DSP_43DSP_41GNDGND1000P-KC837R873 100R875 68SBL/SBR_OUT+3.3V10N-KC894+5VAIC819(573)_17IC819(573)_19IC818(573)_14IC818(573)_16IC818(573)_17IC818(573)_12IC818(573)_14IC818(573)_15IC818(573)_17IC818(573)_19R901 10KC909100N-K+15VA+3.3V+3.3VROM_9+3.3V+3.3VR82447GND GND+3.3VGND+15VATDI_DSP137TCK_DSP139TMS_DSP140EMU_DSP135MUTE+5VD-15VAFRCAD_IN_L-AD_IN_R+SRSB_RKDS160D801R804OPEN C830470/10R805100C80322P-JC81447/1647/16C820C809100N-K-15VA100N-KC906C81310N-KGND+3.3VR81810KGNDR85010KDSP_35+5VD DSP_46DSP_42GNDDSP_50ROM_16ROM_10ALE_DSP40R817100+3.3VC844100N-KR81010K10/50C817GND+5VD22N-ZC858R808220GNDC86124P-JC86224P-JR839 100R840 100R841 100R831BEADR833BEADR82547+3.3VR994100 C83415N-KBEADR832R9954K7+3.3V+3.3V+3.3VGND100N-KC849100N-KC856R82947R83447GNDGND+5VD C902470/10R83047-15VA10/50C899+1.2V+5VDBEADCB803BEADTRST_DSP138TDO_DSP136GND+15VAGNDGND+15VAFLSWAD_IN_L+AD_IN_R-SLSB_L+5VABEADCB808BEADR801OPEN R803OPENR8024K7C80222P-J47/16C808C80422P-J47/16C810100N-KC816 +3.3V0.1/50C812+15VA-15VADSP_52DSP_50DSP_46IC818(573)_13IC818(573)_15IC818(573)_17IC819(573)_19DSP_17DSP_24C86710N-KDSP_30DSP_34DSP_35DSP_17DSP_25IC819(573)_15 DSP_25DSP_26C89110N-K DSP_42IC818(573)_18IC819(573)_17DSP_34R868100DSP_51DSP_39DSP_52DSP_5047R838DSP_24DSP_26 DSP_29DSP_33DSP_46DSP_42100N-KC857XTAL112.288MHz FLAG2FLAG3R82647+5VD100N-KC84810R811R8491MXTAL218.750MHzR82347C86810N-K 100N-KC851 C832100N-K+1.2VR89768C850100N-KR870100C871100N-K+3.3VC853100N-KR872 100100R871R8960R820BEAD+3.3VR874 68R878 0R83547C854100N-KD803KDS160R8940BEADCB805BEAD1000P-KC836 FL/FR_OUTC/SW_OUTSL/SR_OUTC91210N-KC911100N-KC91010/50R807100470/10C821100N-KC831 R9960R9970R99800R816C80522P-JR80675IC819(573)_18IC818(573)_12IC819(573)_18IC818(573)_13IC818(573)_15IC818(573)_13IC819(573)_19IC818(573)_16IC818(573)_1810KR814R81510KR898 10K+15VA+5VD89057_EMPHA89057_INT+5VDR866 100R864 100ROM_17__RAM_41ROM_1__RAM_39R859 100ROM_2__RAM_38R857 100ROM_4__RAM_29R855 100ROM_6__RAM_27R853 100ROM_8__RAM_20+15VASEL_CLKDSP_42DSP_46DSP_50DSP_52DSP_17DSP_25DSP_29DSP_33FLAG1+15VAR884 0R886 00R893R895 0+1.2VGNDC90410/50C903100N-KC915100N-K100N-KC801C806100N-KC8181/50BEADBEADCB802C907100/10-15VA4.7UHL8034.7UHL8014.7UHL8024.7UHL804C819470/10+3.3V+3.3V10KR8511 2 4 5 7 8 10 1163 9CN803+5VDR869100R902100R867 100R862 100R865 100R860 100R863 100R861 100ROM_48__RAM_40R858 100ROM_3__RAM_30R852 100R854 100R856 100ROM_18__RAM_19ROM_7__RAM_26ROM_5__RAM_28-15VAERR_MUTEC88910N-K+5VD100N-KC859C86610N-K10KR813C864100N-KDSP_41100N-KC865 ALE_DSP40DSP_51DSP_49DSP_43DSP_24DSP_26DSP_34DSP_30100N-KC860BEADBEADCB806FLAG0C84222P-J22P-JC847C841100N-K100N-KC839100N-KC838-15VA+3.3V+3.3VC920OPENR881 0R882 0R883 0R880 68R879 0R885 0C91310N-K+3.3VC901100N-KGND100N-KC898100N-KC905C90010/50C897100N-KOUT INGNDNJM7805IC822GNDINOUT+1.2VIC824+3.3V100N-KC916GND+5VIC803GND+5VIC802L8052.2UH100N-KC807 C81122P-J+5VGNDIC826BEADCB801BEAD100/10C8151 22 2G43 43 55 76 76 88 101019 16 14 13GND11VCC991G20 18 17 15 12IC81274HCT244312294276258231021121914171632 28301 3 526 24 20227 9 11 131815IC827IDT71V124A0A1A2A3CEI/O0I/O1VCCVSSI/O2I/O3WEA4A5A6A7A8A9A10A11A12I/O4I/O5VCCVSSI/O6I/O7OEA13A14A15A16C870100N-K14 13 12 11 10 9 8VCCGND765432 7654321IC81474HC00333435361 2 3 43738394041424344454647485 6 7 8 9 10 11 121314151617181920212223242526272829303132IC807LC89057RX0RX1RX2RX3DGNDDVDDRX4RX5/VIRX6/UIDVDDDGNDRMCKRBCKDGNDDVDDRLRCKRDATADODICECLXMODEDGNDDVDDTMCK/PIO0TBCK/PIO1TLRCK/PIO3RXOUTAGNDAVDDLPFTXO/PIOENTDATA/PIO3DGNDSBCKSLRCKSDINDVDDXOUTXMCKXINDVDDDGNDAUDIO/VOCKSTRERRINTEMPHA/UO100N-KC843C845100N-KR812 10KR8091MC890 10N-K14 13 12 11 10 9 8VCCGND765432 7654321IC81574HC00C846100N-K BEADBEADCB810100N-KC840C83315N-KC86310N-KC855100N-KR887 0R888 0R876 68R877 68C872100N-K5432 54321D DPR QQPRCLRCLRCLK CLK1314 12 11 10VCC 9 87766GNDQQIC82574LCX74C914100N-KR837470R82847R83647100N-KC835BEADCB804BEAD1/50C893C89210/50CN804R9990JACK80117 16 14 13 11 10 8 7 5 4 2 11518 12 9 6 3CN801GND+5VIC80116131531 2810126 74 514911SN74LVC139AIC8202Y12Y22Y02Y12Y22Y31Y31Y21Y11Y01Y21Y11G2GGND VCCVCC2GGND1G20 19 18 17 16 15 14 13 12 111098765432 1098765432174LCX244IC811R899 10KR900 10KVCC2GGND1G20 19 18 17 16 15 14 13 12 111098765432 10987654321IC809 74LCX244100N-KC8522857 41191415316610131 1274LVX157MTCIC8161in21in02in02in13in03in14in04in1GNDVCC1Y2Y3Y4YES89057_SDINSHARC_RESETSHARC_CSSHARC_SCLK89057_CE89057_1837_SCLKAD1837_CESHARC_SDINSHARC_SDOUT89057_RESET89057_1837_SDOUTAD1837_RSTR82747R889 240R891 100R892 180R890 180GNDIN OUT+3.3VIC823VCC2GGND1G20 19 18 17 16 15 14 13 12 111098765432 1098765432174LCX244IC8101 2 3 4 5 6 7 83738394041424344 343536 2829303132339 10 11 12 13 14 15 16 17 18 19 20 21 222324252627AS7C34096IC806NCNCNCA18A17A16A15OEI/O7VCCVSSI/O5I/O4A14A13A12A11A10NCNCNCNCNCA0A1A2A3A4CEI/O0I/O1VCCVSSI/O2I/O3WEA5A6A7A8A9NCNCI/O61 2 3 4 5 6 7 8 9 10 11 12 13 14 154445464748 353637383940414243 3416 17 18 19 20 21 22 23 242627282930313233 25IC805LH28F800BJE-PBTL90 DQ10DQ11DQ12DQ13DQ14DQ6DQ5DQ4VCCDQ3DQ2DQ9DQ1DQ8DQ0VSSA0A1A2A3A4A5A6A7A17A18RBNCNCRPNCNCA8A9A10A11A12A13A14A15DQ7VSSBYTEA16DQ15A-1OECEWE13579201816141224681017 1911 13 1574LCX573APWIC818OE1D2D3D4D5D6D7D8DGNDLE8Q7Q6Q5Q4Q3Q2Q1QVCC13579201816141224681017 1911 13 15OE1D2D3D4D5D6D7D8DGNDLE8Q7Q6Q5Q4Q3Q2Q1QVCC74LCX573APWIC8195432 54321D DPR QQPRCLRCLRCLK CLK1314 12 11 10VCC 9 87766GNDQQIC82174LCX7422212019181716151422212019181716151423242526OUTL2 OUTL31110987654 1110987654 12 13PD/RSTAGNDNCOUTL1NCOUTR1AGNDAVDDNC NCOUTR232 3215152DVDDCLATCHCINCCLKDGND393839383744434443424140424140454647484950DLRCLKDBCLKDVDDDGNDDSDATA1DSDATA2DSDATA3DSDATA4ABCLKALRCLKMCLKODVDDASDATACOUT33 32 3133 32 31 30 29 28 2730 29 28 27363534AGNDFILTDFILTRAVDDADCLNADCLPADCRNADCRPAGNDNCNCOUTR3AGNDAVDDNCOUTL4NCOUTR4AGNDM/SAD1837IC808144143142141140139138135136137122123124125126127128129130131132133134109110111112113114115116117118119120121474849505152535455565758596061626364656667686970717237383940414243444546101 100 99 98 97 96 95102103104105106107108 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 7374751 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36IC804SHARC EX GNDVDDINTVDDINTCLKCFG1BOOTCFG0BOOTCFG1GNDVDDEXTGNDVDDINTGNDVDDINTGNDGNDFLAG0FLAG1AD7GNDGNDVDDEXTGNDVDDINTAD6AD5AD4VDDINTGNDAD3AD2VDDEXTGNDAD1AD0VDDINTVDDINTGNDALEAD15AD14AD13GNDVDDEXTAD12VDDINTGNDAD11AD10AD9AD8DAI_P1(SD0A)VDDINTDAI_P2(SD0B)DAI_P3(SCLK0)GNDVDDEXTVDDINTGNDDAI_P4(SFS0)DAI_P5(SD1A)DAI_P6(SD1B)DAI_P7(SCLK1)VDDINTGNDVDDINTGNDWRRDDAI_P10(SD2B)GNDVDDINTGNDVDDEXTDAI_P11(SD3A)DAI_P12(SD3B)DAI_P8(SFS1)DAI_P9(SD2A)VDDINTDAI_P13(SCLK23)DAI_P14(SFS23)DAI_P15(SD4A)VDDINTGNDGNDDAI_P16(SD4B)DAI_P17(SD5A)DAI_P18(SD5B)DAI_P19(SCLK45)VDDINTGNDGNDVDDEXTDAI_P20(SFS45)GNDVDDINTFLAG2FLAG3VDDINTGNDVDDINTGNDVDDINTGNDVDDINTGNDVDDINTVDDINTGNDVDDINTGNDVDDINTGNDVDDINTGNDVDDEXTGNDVDDINTGNDVDDINTRESETGNDVDDINTSPICLKMISOMISIGNDVDDINTVDDEXTAVDDAVSSGNDCLKOUTEMUTDOTDITRSTTCKTMSGNDCLKINXTALVDDEXTCLKCFG0SPICSVDDINTININ7 8GND12862IN3 4 6 7 B1014489057_EMPHABSESEL_CLKERR_MUTEFLAG2FLAG1FRONT_OPT_INCOAX1OPT2OPT1OPT89057_SDINEPROM_RESETSHARC_RESETSHARC_CSSHARC_SCLK89057_CEAD1837_CEDSP_GNDDSP_GNDDSP_GND-15V+15V61 2 5 8TP11751INOUTOPT3SHARC_SDINSHARC_SDOUT89057_RESETAD1837_RESETDSP_+5VA9133AVR2105ÞÅéÄ89057_INTFLAG3FLAG0AVR1505,1705,1905FROM CPU UNIT89057_1837_SCLKOUT89057_1837_SDOUTFROM CPU UNITJTAG CONTROL JACKAVR2405,1805 ONLY |
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