Yamaha-RXV3000-avr-sch(1) 维修电路原理图.pdf
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1、ABCDEFGH123456IJKLMN78910RX-V3000/RX-V3000RDSISCHEMATIC DIAGRAM (DSP)* All voltage are measured with a 10M/V DC electric volt meter.* Components having special characteristics are marked Zandmust be replaced with parts having specifications equal to thoseoriginally installed.* Schematic diagram is s
2、ubject to change without notice.Point q (Pin 1 of IC501)V : 2V/div, H : 50 nsec/divDC, 1 : 1 probe0VIC512, 515519, 525527 :PC4570G2IC509 : NJM2904M-T1Dual OP Amp+OUT1IN1VCC+VCCOUT212345+IN1IN2+IN2 +678IC510, 511 : TC74HCUO4AF-TP1Hex Inverters1A1Y2YVDD6A1234112A6Y5A1213143A3Y5Y4A567VSS4Y8910IC507, 51
3、3 : TC74HC00AFQuad 2 Input NANDA1B1A2VDDB4123411Y1A4Y4121314B2Y2B3A3567VSSY38910IC504 : CY62256LL-70SNCT32K X 8 bits Static RAMA5A6A7A8A9A10A11A12A13A14I/O0I/O1I/O2GND12345678910111213142827262524232221201918171615VCCWEA4A3A2A1OEA0CEI/O7I/O6I/O5I/O4I/O3INPUT BUFFERCOLUMNDECODERPOWERDOWNSENSE AMPSROW
4、 DECODER512 X 512ARRAYCEA10A9A8A7A6A5A4A3A2A14A13A12A11A1A0WEOEI/O0I/O1I/O2I/O3I/O4I/O5I/O6I/O7IC514 : AK4527VQ96kHz 24 bit 6ch CODEC1234567891011SDOSI2CSMUTEBICKLRCKSDTI1SDTI2SDTI3SDTOD AUXDFS1213141516171819202122DEM1DEM0TVDDDVDDDVSSPDNICKS2ICKS1ICKS0CAD1CAD03332313029282726252423DZF2RIN+RINLIN+LI
5、NROUT1LOUT1ROUT2LOUT2ROUT3LOUT34443424140393837363534LOOP1LOOP0/SDA/CDTIDIF1/SCL/CCLKDIF0/CSNP/SMCLKDZF1AVSSAVDDVREFHVCOMIC508 : TC74VHCT08AFQuad 2 Input ANDA1B1A2VDDB4123411Y1A4Y4121314B2Y2B3A3567VSSY38910IC502 : MSM514260C-60JS262,144-word x 16 bit Dynamic RAM1VCC2DQ13DQ24DQ35DQ46VCC7DQ58DQ69DQ710
6、DQ811NC12NC13WE14RAS15NC16A017A118A219A320VCC40VSS39DQ1638DQ1537DQ1436DQ1335VSS34DQ1233DQ1132DQ1031DQ930NC29LCAS28UCAS27OE26A825A724A623A522A421VSSTIMINGGENERATORI/OCONTROLLERI/OCONTROLLERCOLUMNDECODERSSENSEAMPLIFIERSI/OSELECTOROUTPUTBUFFERSOUTPUTBUFFERSINPUTBUFFERSINPUTBUFFERSMEMORYCELLSCOLUMNADDRE
7、SSBUFFERSINTERNALADDRESSCOUNTERREFRESHCONTROL CLOCKROWDECODERSWORDDRIVERSON CHIPVBB GENERATORROWADDRESSBUFFERSRASLCASUCASA0A8VCCVSSWEOEDQ1DQ8DQ9DQ169916168888888899IC521, 522, 524 : PCM1704F24 bit D/A ConverterREF DCSERVO DCVDDDGND+VDDVCCAGND+VCCBPO DC19174562016111214SERIAL INPUT I/F&CONTROL LOGIC2
8、3BIT DAC A23BIT DAC BBIPOLAROFFSETREFERENCE &SERVOPOWER SUPPLY109172381318IOUTNCNCNCNCBCLKWCLKDATA20BITINVERTIC520, 523 : DF1704E24 bit Digital FilterSERIALINPUTI/F8X OVERSAMPLINGDIGITAL FILTERWITHFUNCTION CONTROLLEROUTPUTI/FMODECONTROLI/FCRYSTAL OSCPOWER SUPPLY22811112131015141617182764352625242319
9、2079228BCKINLRCINDINBCKOWCKODOLDORSF0SF1SROIISIW0IW1OW0OW1XTIXTOCLKOVDDVSSMD/CKOMC/LRIPML/RESVMODEMUTERSTDEMSCKDATTLPFDACL OUT1HPFADCL IN+L INMCLKLRCKBICKDAUXSDOSSDTOSDTI1SDTI2SDTI3FORMATCONVERTERHPFADCR IN+R INDATTLPFDACR OUT1DATTLPFDACL OUT2DATTLPFDACR OUT2DATTLPFDACL OUT3DATTLPFDACR OUT3AUDIOI/FM
10、CLKLRCKBICKSDOUTSDIN1SDIN2SDIN3DC INPUT (VIN)DC OUTPUT (VO)ON/OFF CONTROL (VC)GND2531I CIC505 : PQ025EZ5MZP+2.5V RegulatorAC3D34MDRAMAC-3 RF DEMODULATORCODEC(A/D & D/A CONVERTER)DIGITALFILTERD/ACONVERTERRAMFLFLFL/FRFL/FRRLRLRL/RRRL/RRRCRC/LFERC/LFERCLLCD DIGITALL/RCL/RCCC04.94.94.93.304.94.93.3004.9
11、004.9004.9004.9004.9004.9004.93.704.94.92.0000004.94.93.70002.63.104.90.42.63.104.90.40000004.900004.94.9004.9004.905.05.00.10.10.100.8000.83.11.75.01.03.700.10.10.10.100002.12.12.02.002.604.85.02.65.02.605.03.403.405.0000002.50.44.04.00003.404.8004.8004.004.04.02.50.10.10.12.5003.33.33.303.33.30000
12、.700001.61.61.60002.50003.303.32.101.73.41.204.74.71.600004.74.84.81.602.42.44.74.74.704.704.61.60.704.74.71.600004.74.84.81.602.42.41.74.74.74.704.704.62.4-4.904.92.4-4.9-2.3-2.30002.64.92.4-4.904.92.4-4.9-2.3-2.30002.74.91.72.4-4.804.92.4-4.8-2.3-2.20002.74.90000-11.000011.60-11.000-11.0000-11.600
13、011.6000-11.60000-11.000011.60-11.00000-11.62.52.52.511.62.52.52.511.62.52.52.5-11.62.52.52.5-11.62.52.52.52.52.52.52.52.55.005.0002.83.32.802.83.3002.82.802.83.32.802.83.3002.82.8000000000-11.0-11.0000-11.0-11.000000011.6-11.60000.60.600000011.6-11.60000.60.600000011.6-11.60001.61.6000002.52.52.52.
14、52.52.52.52.52.52.505.005.003.305.05.000005.005.01.605.05.02.51.61.54.0003.300000003.3000.93.41.71.8003.40.2000000.403.31.71.03.401.72.03.12.10.10.10.10.10003.400.8000.8003.33.30qwCIRCUIT CHANGES BY MARKET.X : NOT USEDO : USEDUS13510US13510FCC74P76L-2P75E-1Point w (Pin 56 of IC503)V : 2V/div, H : 50
15、 nsec/divDC, 1 : 1 probe0VConditions INPUT: DVD auto PROGRAM: PRO LOGIC DSPRadioFans.CN 收音机爱 好者资料库ABCDEFGH123456IJKLMNO78910RX-V3000/RX-V3000RDSISCHEMATIC DIAGRAM (FUNCTION)* All voltage are measured with a 10M/V DC electric volt meter.* Components having special characteristics are marked Zandmust
16、be replaced with parts having specifications equal to thoseoriginally installed.* Schematic diagram is subject to change without notice.IC501 : NJM2068MD-T1IC506509, 511, 513515, 521,523525 : PC4570G2Dual OP-Amp+OUT1IN1VCC+VCCOUT212345+IN1IN2+IN2 +678L2L4L3LCOM1L1 12345L6LCOM2L5 678L8LCOM3L7 91011VD
17、D19VSS16VEE12RES 18S 17LEVEL SHIFTERLATCHSHIFT REGISTERR2R4R3RCOM1R1R6RCOM2R5R8RCOM3R72022302928272625242321CONTROL15 CL14 D113 CEIC503, 512 : LC78211Analog Function SwitchIC502, 504 : LC78212Analog Function SwitchL6 3LCOM2 8L8LCOM3L7 91011VDD19VSS16VEE12RES 18S 17L2L3L1 123L5 67LEVEL SHIFTERLATCHSH
18、IFT REGISTERR2RCOM1R3RCOM1R1R6RCOM2R5R8RCOM3R72022302928272625242321CONTROL15 CL14 D113 CEL4 5LCOM1 4IC510 : LC7536-YElectric Controlled VolumeL5dB INCONTROLS112CE19CLK17DI18LATCHLEVEL SHIFTSHIFT REGISTERL CT13L CT24LVM95L5dB OUT6L1dB IN8L1dB OUTR5dB IN3028272223R1dB OUT25R1dB IN26R5dB OUTR CT1R CT2
19、R VM13VDD21VCC14VSS10VEE27 11 15 16 20 24 29NCIC516520 : CS3310-KSRStereo Digital Volume ControlMUXMUXCONTROLREGISTERSERIAL TOPARALLELREGISTER88881616151481237611109121345AINLAGNDLAOUTLMUTEZCENCSSDATAISDATAOSCLKAOUTRAGNDRAINRVA+VAVD+DGNDIC505, 522 : LC78213Analog Function SwitchL6LCOM3L5 789L7LCOM41
20、011VDD19VSS16VEE12RES 18S 17LEVEL SHIFTERLATCHSHIFT REGISTERR6RCOM3R5R7RCOM42024232221CONTROL15 CL14 D113 CEL4LCOM2L3 456R4RCOM2R3272625L2LCOM1L1 123R2RCOM1R1302928IC527 : MBM29F400BC-704M Bit Flash Memory12345678910111213141516171819202122N.C.RY/BYA17A7A6A5A4A3A2A1A0CEVSSOEDQ0DQ8DQ1DQ9DQ2DQ10DQ3DQ1
21、1RESETWEA8A9A10A11A12A13A14A15A16BYTEVSSDQ15/A-1DQ7DQ14DQ6DQ13DQ5DQ12DQ4VCC44434241403938373635343332313029282726252423RY/BYRY/BYBUFFERERASE CIRCUITWRITE/ERASEPULSE TIMERLOW VCC DETECTVCCVSSWEBYTECEOEA-1A0A17RESETCONTROLCIRCUIT(COMMAND REGISTER)CHIP ENABLEOUTPUT ENABLECIRCUITWRITE CIRCUITI/O BUFFERD
22、Q0DQ15DATA LATCHY DECODERX DECODERADDRESS LATCHSTBSTBY GATE4,194,304CELLMATRIXPoint e (Pin 20 of IC26)V : 2V/div, H : 50 nsec/divDC, 1 : 1 probe0VPoint r-A (+MB : Emitter of Q506)Point r-B (/RES : Collector of Q507)V : 5V/div (+ MB), V : 1V/div (/RES)DC, 1 : 1 probe, H : 1 sec/div0V0V+ MB/RESAC CORD
23、 ONAC CORD OFFINPUT SELECTORREC OUT/ZONE 2SELECTORPHONO MMEQ AMPBUFFERZONE 2LEVEL CONTROL4MROMMAIN CPULEVEL CONTROLRESETPOWER DOWNDETECTFLFLFLFLRLRLRLRCRCRCLLCLCLC0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011.6-11.600011.600011.6000-11.600
24、0-11.600000000000000011.6000-11.6-11.6000-11.600011.6011.60-11.6000-11.600011.6011.6011.6000000-11.600011.6000-11.60000011.6-11.6000011.6000-11.62.22.21.61.83.02.01.62.54.8-11.600011.6004.82.12.02.22.62.12.42.42.42.14.902.83.12.42.51.41.42.02.14.92.82.82.02.22.42.41.81.81.700.82.404.84.8004.804.8000
25、-5.14.900004.9-5.1000-5.14.904.804.8004.84.8000-5.14.900004.804.8004.84.8000-5.14.900004.804.8004.84.8000-5.14.900004.804.8004.84.8000-5.14.90001.83.12.51.42.14.84.84.804.82.82.22.41.80.84.804.84.84.84.804.84.901.104.94.91.40.304.94.94.94.90011.9011.911.26.57.10004.800.6011.95.65.65.64.84.90.84.804.
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