Denon AVR-4520CI Service Manual
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Contents
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179STBY POWERGND POWER -POWER +D5VDGNDSCPUPOWER_MOQ1905OPEN0.1C1923SCPUTXDR1919100KMAIN_BDOWNQ19032SA2018DGNDQ1904OPENC19201uQ1902KRC402E-RTKOPENR1909CPUPOWER_MOC19190.10.1C1912R1920100R191510K232IMO3SCPURXDR191110K0.1C1922R1918 22 KTC74VHC244FTU19021 1OE2 1A13 2Y44 1A25 2Y36 1A37 2Y28 1A49 2Y110 GND 112A1121Y4132A2141Y3152A3161Y2172A4181Y1192OE20VCCR1910 331000PC19212SC4617EBQ1906REMOTEPOWER_MOMAIN_RESETKDS160D1901232CONT4.7KR1907R19123.3KOPENR1908R1917 47KSCPU3.3VR1913OPEND5VR19164.7KSWM3.3VREMOTE3.3VC1918 0.015232OMI3M3.3VDGNDKRC402E-RTKQ1901KDS160D1902SUB_BDOWNMB_BDOWNKDS160D1903Q19082SA2018R19223.3KQ1907KRC404E-RTKR192110KSCPU5VM3.3VSCPU3.3V232RX232TXPQ033DNA1ZPHU1905VIN1ON/OFF2GND5NC4VOUT3C1927 0.1C1926 OPEN10/6.3C1928OPENC1925C1915 OPENC1916 0.1OPENL19021000PC19110.1C191010/6.3C190410/6.3C190710/6.3C1908680KR1906 15PC19090.1C1906BLM21PG221L1901EX3AVU19011NC(SW)2NC(SW)3NC4NC5VOUT6VOUT7VOUT8VOUT9VOUT10VOUT11VOUT12NC(SW)13PGND14PGND15PGND16PGND17PGND18PGND19PVI N20 PVIN21 PVIN22 NC23 NC24 NC25 PGND26 NC27 ENABLE28 POK29 EAOUT30 SS31 XFB32 AGND33 AVIN34 NC(SW)35 NC(SW)36 NC(SW)37 NC(SW)38 NC(SW)150KR1904OPENR190 2OPENR1903OPENC190347KR1905OPENC1902BLM21PG221L19040.01C190547KR19010.1C1901BLM21PG221L1903DGNDDA3.3VDA_POWERDGNDD5VREMOTE3.3VDA3.3V10/6.3C19174.7uC1913C1914 OPEN4.7uC1924IN OUTU1903PST844 8U19041 VDD2 VSS 3PDN4OUTQ1909FDC608PZ123 45647KR19230L1905R1914OPEN3P-PHN2102123Q1910KRC402E-RTK0R1924DIGITAL_UNIT8U-310116(12/14)OPENC1929OPENC1930SCPUPOWER_MO232IMO3SCPUTXD232CONT232OMI3232TX232RXSCPUTXDREMOTEPOWER_MOMAIN_RESETMAIN_RESET232CONTCPUPOWER_MOMAIN_BDOWNSCPURXDSCPURXD232OMI3REMOTEPOWER_MOMB_BDOWNMAIN_BDOWNSCPUPOWER_MOMB_BDOWN232IMO3232RX232TXDA_POWERDA_POWERM3.3VCPUPOWER_MODA3.3VRESET/SUPPLYTO DIGITAL CONNECTRXTXRXTXD5.2VSWM3.3VREMOTE3.3VTO MAINCPUM3.3VRXRX TXTO SUBCPUTXSCPU3.3VSCPU5VM3.3VDA3.3VTO_AUDIO_PLDTO DSP CONNECTPQ033DNA1ZPHTO 8U-310116(11/14)TO 8U-310116(3/14)TO 8U-310116(2/14)TO 8U-310116(13/14) TO 8U-310116(14/14)87654321ABCDEFfSCHEMATIC DIAGRAMS (34/36)DIGITAL UNIT (12/14)DW DUCDDSTO DX TO DVTO CCTO DT |
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