Yamaha-RXV450-avr-sch(1) 维修电路原理图.pdf
A12345678910BCDEFGHIJKLMN75RX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX450SCHEMATIC DIAGRAM (DSP)Point: Pin 28 of IC2# All voltages are measured with a 10M/V DC electronic volt meter.# Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed.# Schematic diagram is subject to change without notice. 電圧、内部抵抗10M電圧計測定。 s印部品、安全性確保部品示。部品交換必要場合、記載部品使用。 本回路図標準回路図。改良予告変更。IC1 : MM74HCU04SJX Hex InvertersA1Y1Y2VCCA6123411A2Y6A5121314A3Y3Y5A4567Y48910GNDInputSelectorRXOUTRX0RX1RX2RX3RX4RX5/VIRX6/UILPFTMCK/PIO0TBCK/PIO1TLRCK/PIO2TDATA/PIO3TXO/PIOENCbit, UbitMicrocontrollerI/FDataSelectorClockSelectorModulation&Parallel PortPLLXINXOUTXMCK CKSTSLRCKSBCKRLRCKRBCKRMCKSDINRDATARERRDOXMODECICECLINTAUDIO/VOEMPHA/UO1/NDemodulation&Lock detect1234589101344454647482928273423222017162421363741383948353332IC2: LC89057W-VF4D-EDigital Audio Interface Transceiver4B134A124Y113B103A93Y81B21Y32A42B52Y6GND7IC3: TC74HCT00AFQuad 2-Input Nand GateVcc141A1IC4: NJM2904MDual OP-Amp Q1Q2Q3Q9Q8Q4 INPUTSOUTPUTV +Q6Q5Q10Q11Q12Q7Q13ROW DECODERSENSE AMPSCOLUMNDECODERPOWERDOWNINPUT BUFFERIC6: CY62128BLL-70SCTMemoryA0A9A10A11A12A13A14A15A16A1A2A3I/O0I/O1I/O2I/O3I/O4I/O5I/O6I/O7A4A5A6A7A8CE1CE2WEOE512 x 256 x 8ARRAYIC8: MSM514260E-60JS4Mbit DRAMTimingGeneratorI/OControllerOutputBuffersInputBuffersInputBuffersOutputBuffersI/OControllerColumn DecodersRASRefreshControl Clock14WE1399LCAS29UCASA0A828 VCC20VSS21Sense AmplifiersI/OSelectorMemoryCellsOE27DQ9DQ16 ColumnAddressBuffersInternalAddressCounterRowAddressBuffersOn ChipVBB GeneratorRowDeco-dersWordDrivers991616888888DQ1DQ8 881DIRA1A2A3A4A5A6A7A8GNDVccOEB1B2B3B4B5B6B7B8234567891020191817161514131211IC10: SN74LV245APWROctal Bus Transceiver with 3-state OutputsIC11: PC29M33T-E1Voltage Regulator3OUTPUT1INPUT2GNDSafety DriveLimiterExcessive ElectricCurrent ProtectionSudden CurrentProtectionStarter CircuitDriverStandard VoltageOverheat ProtectionAmp.IC12: PQ025EZ5MZPRegulator1Vin3Vo2Vc5GNDIC14: 74VHC157MTCXQuad 2-Input Multiplexer1S10I1d15E11I0d9Zd13I1c14I0c12Zc6I1b5I0b7Zb3I1a2I0a4Za1234567891011SDOSI2CSMUTEBICKLRCKSDTI1SDTI2SDTI3SDTODAUXDFS03332313029282726252423DZF2/OVFRINLINNCMASTERROUT1LOUT1ROUT2LOUT2ROUT3LOUT34443424140393837363534TDM0LOOP0/SDA/CDTIDIF1/SCL/CCLKDIF0/CSNP/SMCLKDZF1AVSSAVDDVREFHVCOM1213141516171819202122SDTI4DZFETVDDDVDDDVSSPDNTST1CAD1CAD0LOUT4ROUT4MCLKLRCKBICKFormatConverterSDOSSDOUTSDIN1SDIN2SDIN3SDIN4ADCHPFAudioI/FADCHPFDACDATTLPFDACDATTLPFDACDATTLPFDACDATTLPFDACDATTLPFDACDATTLPFDACDATTLPFDACDATTLPFAK4628IC16: AK4628VQ192kHz 24Bit 8-channel CODEC22ROUT4121SDTI48SDTI37SDTI26SDTI19SDTO10DAUX4BICK5LRCK39MCLK32RIN31LIN21LOUT424ROUT323LOUT326ROUT225LOUT228ROUT127LOUT1IC18: PC4570G2IC1921: NJM2068MDDual OP-Amp+OUT1IN1VCC+VCCOUT212345+IN1IN2+IN2 +6784B134A124Y113B103A93Y81B21Y32A42B52Y6GND7IC22: SN74AHCT08PWRQuad 2-Input And GateVcc141A1IC13: PQ012FZ01ZPVoltage Regulator1VinVB3Vo42Vc5GNDSpecific ICSDI INTERFACE/CSSOSISCKSDI7SDI6SDI5SDI4SDI3SDI2SDI1SDI0SDWCKSDBCKIOPORT19-0VSSXOXIIOPORT0IOPORT1IOPORT2IOPORT3IOPORT4IOPORT5IOPORT6IOPORT7AVSSCPOAVDDVDD1(NC)IOPORT8IOPORT9IOPORT10IOPORT11IOPORT12IOPORT13IOPORT14IOPORT15VDD275747372717069686766656463626160595857565554535251VDD2RAMA10RAMA9RAMA3RAMA4RAMA2RAMA5VDD1RAMA1RAMA6RAMA0RAMA7RAMA8RASNRAMOENRAMWENCASNRAMD15RAMD11RAMD13VDD1RAMD12RAMD11RAMD10VSS12345678910111213141516171819202122232425VSSSDO0SDO1SDO2SDO3SDO4SDO5SDO6SDO7IOPORT16IOPORT17IOPORT18IOPORT19VDD1RAMD0RAMD1RAMD2RAMD3RAMD4RAMD5RAMD6RAMD7RAMD8RAMD9VDD2100999897969594939291908988878685848382818079787776VDD2SDI0SDI1SDI2SDI3SDI4SDI5SDI6SDI7SDBCKSDWCK/ICSCKSISO/CSVDD1RAMA17RAMA16RAMA15RAMA14RAMA13RAMA12RAMA11VSS26272829303132333435363738394041424344454647484950XOXICPORAMD15-0CASNRASNRAMWENRAMOENRAMA17-0CONTROL REGISTER-COM INTERFACECONTROL SIGNALDSP Internal Clock CK(30.72 40.96 MHz)PLLEXTERNAL MEMORYINTERFACESDO INTERFACEDATA RAM32 bit x 1024 wordPROGRAM RAM50 bit x 1024 wordCOEFFICIENT RAM16 bit x 1024 wordADDRESS RAM17 bit x 256 wordSDO7SDO6SDO5SDO4SDO3SDO2SDO1SDO032 bit DSP COREOVFENDMPLOADZEROF7R-0LBCKOPWCKOPSDBCKOSDWCKOIC7: YSS930-SZProgrammable 32 bit DSPRX-V550/HTR-5750Reference No.U, C, R, T, K, A, B, G, L, Ememos1R574.7KAACs2MOUNTDigital Out MD/CDR Ins3MOUNTCOAXRX-V450/HTR-5740/DSP-AX450Reference No.JU, C, R, T, K, A, B, G, L, Ememos1R57NOT USED4.7KAACs2MOUNTNO MOUNTDigital Out MD/CDR Ins3NO MOUNTMOUNTCOAXFRONT LCENTERSURROUND L4.94.903.904.93.904.90.204.94.94.94.9000.30.10.40.13.12.64.84.94.93.33.30.10.10.10.10.10.10.10.10.10.10.10.13.33.31.20.10.10.10.10.10.10.10.10.10.10.10.10.10.10.13.31.21.21.21.21.21.21.21.31.71.73.40.70.73.40000000000.10.10.10.10.10.10.10.11.21.21.21.21.20.13.43.41.2000000000.13.31.21.23.41.21.21.21.23.33.33.33.33.33.43.43.43.40000000000000000000000001.21.21.21.21.21.20.81.61.71.71.71.81.23.43.4000.10.10.10.10.10.10.10.10.10.10.10.10.100.14.94.94.94.93.63.63.64.92.60 0 0 0 0 0 0 0 0 0 0 0 0 3.41.81.70 3.41.70 1.71.70 0 0 0 3.40.43.93.90.10.23.43.33.41.51.61.63.40003.44.83.31.53.3000000 0 3.0 2.54.91.20003.43.44.94.93.4003.43.01.24.22.54.74.91.22.50 3.63.34.81.64.84.84.84.74.74.75.04.94.90000003.33.33.33.33.33.33.33.33.33.300003.33.34.84.84.80000.70.70.70.70.71.01.01.01.01.81.71.71.70.70.70.70.70.70.70.71.71.71.72.22.2001.01.72.53.43.43.30.12.5001.91.51.71.70.70.73.40.70.71.01.01.01.00.70.72.50.81.52.51.81.71.73.43.42.21.71.71.70.70.70.70.70.70.71.703.44.803.33.34.81.70.8000.70.71.21.32.501.73.43.41.71.71.71.71.71.701.50000001.54.94.94.900002.52.53.33.33.34.8005.01.75.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-11.6-11.6-11.6-11.611.811.811.82.55.05.02.500000002.52.5-0.1-0.111.8 0 01.70000.12.52.52.52.52.52.502.51.71.71.50.81.51.9SELECTORA/DPOSTPROCESSORMAINDECODER1M SRAMDIRDUTYCORRECTOR4M DRAMDUTYCORRECTORHTR-5750, RX-V450, HTR-5740, DSP-AX450: Page 79to FUNCTION (2)M10RX-V550: Page 77L10HTR-5750, RX-V450, HTR-5740, DSP-AX450: Page 78to FUNCTION (1)H2RX-V550: Page 76H2RadioFans.CN 收音机爱 好者资料库A12345678910BCDEFGHIJKLMNRX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX45076SCHEMATIC DIAGRAM (FUNCTION 1/2)RX-V550# All voltages are measured with a 10M/V DC electronic volt meter.# Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed.# Schematic diagram is subject to change without notice. 電圧、内部抵抗10M電圧計測定。 s印部品、安全性確保部品示。部品交換必要場合、記載部品使用。 本回路図標準回路図。改良予告変更。IC303, 304, 306: NJM2068MDDual OP-Amp.IC302: BD3841FSFunction Switch+OUT1IN1VCC+VCCOUT212345+IN1IN2+IN2 +678IC305: NJM4556ALDual OP-Amp82, 63, 51, 74V+INPUT+INPUTVOUTPUTF-SW1F-SW1: INPUT FUNCTION 1F-SW2: INPUT FUNCTION 2*3231302928272625242322212019181712345678910111213141516GNDF-SW2CKZ2DTZ2VSSGNDVCCNCNCNCNCNCNCZ2LZ2REEAXLAXRVILVIRDTLDTRDVLDVRMILMIRCOLCORTULTUREELOGIC+80123456789101112131415161718192021222324AGND1INA1INA2INB1INB2INC1INC2IND1IND2INE1INE2INF1INF2AGND2INDVDFRINDVDFLINDVDCINDVDSRINDVDSLINDVDCBINDVDSWAGND3OUT1OUT264636261605958575655545352515049484746454443424179787776757473727170696867666525262728293031323334353637383940ING SWLOGICInput selectVccVEETREBLEBASSOutputmodeselectMastervolume6.1ch selectFRL selectVINFRGOUTFLVINFLAGND10TNF1TNF2BNFA1BNFB1BNFA2BNFB2OUTFROUTFLAGND9OUTCOUTSROUTSLOUTCBAGND8OUTSWAGND7VINCGOUTCVINSRGOUTSRAGND13ROUTC2ROUTC1ROUTB2ROUTB1ROUTA2ROUTA1AGND12VCCVEEAGND11DACLMUTETHGNDGOUTFRAGND4INDSPFRINDSPFLINDSPCINDSPSRINDSPSLINDSPCBINDSPSWAGND5GOUTSWVINSWAGND6GOUTCBVINCBGOUTSLVINSLREC AREC BREC CIC301: BD3816K1Input Select & Volume ControlFRONT LCENTERSURROUND L0.80.80.10.10000000000000000000000000000000000000.17.0-6.9000000000000000000000000-11.711.800.10000000000000000-11.6-11.6-11.6-11.6-11.6-11.60.710.09.39.30000-9.2-9.2-9.8000.70.10.10.1-11.80.111.80.1000000000000000.100.1-11.80.111.80.10.100007.07.77.7-7.9-7.0-6.9-11.70011.8000000Page 77to FUNCTION (2)L4Page 75to DSPI1Page 80to OPERATION (4)K4Page 80to OPERATION (1)H8Page 83to POWER (1)A1Page 83to POWER (1)A2x: NOT USEDO:USED / APPLICABLEHP AMP.MUTEMUTEMUTESELECTOR/VOLUMEMUTERadioFans.CN 收音机爱 好者资料库A12345678910BCDEFGHIJKLMN77RX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX450SCHEMATIC DIAGRAM (FUNCTION 2/2)RX-V550# All voltages are measured with a 10M/V DC electronic volt meter.# Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed.# Schematic diagram is subject to change without notice. 電圧、内部抵抗10M電圧計測定。 s印部品、安全性確保部品示。部品交換必要場合、記載部品使用。 本回路図標準回路図。改良予告変更。GNDVOUTVIN32VREFIC501: NJU7201L55Voltage Regulator1Point 1 Pin 13 of IC502IC503: LC72722RDS Decoder+REFERENCEVOLTAGE57kHzbpf(SCF)CCBTESTPLL(57kHz)ANTIALIASINGFILTERSMOOTHINGFILTERRAM(24 BLOCK DATA)ERROR CORRECTION(SOFT DECISION)SYNC/ECCONTROLLERSYNCDETECT-1DATADECODERCLOCKRECOVERY(1187.5Hz)MEMORYCONTROLOSC/DIVIDERVREFCLK(4.332MHz)SYNCDETECT-2VDDAVSSDVDDDRDS-IDSYNCSYRVSSAMPX INDOCLDICET1T2T3T4T5T6T7X INVREFFL OUTC INX OUT3141519182415642202122237891011 16 171312IC603, 606, 701: TC74HC4053AFAnalog Multiplexer/Demultiplexer16VDD6INHIBIT1115149ACB8VSS7VEE120X131X20Y11Y50Z31ZLEVELCONVERTER10BINARY TO 1-OF-8DECODER WITH INHIBITSWSWSWSWSWSW4Z-COMX-COMY-COMINPUT STATESINHIBIT000000001ON CHANNNEL (S)0X, 0Y, 0Z1X, 0Y, 0Z0X, 1Y, 0Z1X, 1Y, 0Z0X, 0Y, 1Z1X, 0Y, 1Z0X, 1Y, 1Z1X, 1Y, 1ZNONEC00001111XB00110011XA01010101XIC607, 608: TK15420MVideo Amp+12345 +678OUT AIN A+IN AVEEVCCOUT BIN B+IN BIC609: TC74HCU04AFHex Inverters1A1Y2YVCC6A1234112A6Y5A1213143A3Y5Y4A5674Y8910GNDIC702: NJM2581MVideo Amp13VOUT111VOUT29VOUT38GND10V+314V+112V+22NEE14VEE26VEE37PowerSave5VIN31VIN13VIN275Driver6dBAMPBIAS75Driver6dBAMPBIAS75Driver6dBAMPBIASREFIC601, 602, 901: LA7956Video Switch123456789VIDEOOUTABVIN1GNDVIN2VCCVIN3VIN4DRIVER6dBAMPCONTROL4 INPUT 1 OUTPUTVIDEO SWITCHPoint 2 Cathode of D501 and Pin 12 of IC502POWER ON(Connect the power cable)POWER OFF(Disconnect the power cable)A D501B IC50212BA4.94.93.94.04.04.07.54.14.1004.04.94.95.95.90.3000.111.53.93.94.95.50.511.2004.94.94.94.911.211.211.511.55.95.95.95.96.56.56.96.90.10.10.10.10.10.10.10.100000000000000000000000004.24.24.21.51.11.95.05.75.65.65.65.64.14.84.84.94.94.84.84.74.74.74.74.84.84.84.84.84.84.84.84.84.8-11.6-11.6-11.64.84.14.84.84.84.84.84.74.10.10.10.10.10.10.10.50.5000.100.10.10.10.10.10.10.14.74.94.84.84.84.84.74.74.84.84.84.94.94.94.91.51.54.84.84.82.52.404.8000.10.1004.84.80.10.14.94.94.94.94.94.95.005.10.10.13.72.70.41.54.84.81.200.94.84.84.82.90.10.41.55.14.9000010.011.81.10.10.4-0.5-0.5-0.5-0.4-0.40.400003.62.62.72.72.74.94.94.94.94.94.5-4.94.900.205.25.24.94.9-4.9-4.90.30.3-0.30.40.40.41.0-0.60.10.10.10.10.10.10.1-0.44.94.94.94.94.94.94.54.54.5-1.1-0.4-0.64.95.55.56.60.106.16.47.14.94.94.900000000000000004.9-4.9-4.9-4.9-4.9-4.94.84.90.70MICRO COMPUTERY/C MIXY/C SEPARATIONS-SIGNAL DETECTY-INPUTSELECTORC-INPUTSELECTORINPUTSELECTORY/Cb/CrSELECTORx: NOT USEDO: USED / APPLICABLEx: NOT USEDO: USED / APPLICABLEx: NOT USEDO: USED / APPLICABLEPage 76to FUNCTION (1)F2Page 82to MAIN (2)H10Page 82to MAIN (1)F1Page 80to OPERATION (1)E8Page 75to DSPG1U, C, A models onlyA12345678910BCDEFGHIJKLMNRX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX45078SCHEMATIC DIAGRAM (FUNCTION 1/2)HTR-5750# All voltages are measured with a 10M/V DC electronic volt meter.# Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed.# Schematic diagram is subject to change without notice. 電圧、内部抵抗10M電圧計測定。 s印部品、安全性確保部品示。部品交換必要場合、記載部品使用。 本回路図標準回路図。改良予告変更。IC303, 304, 306: NJM2068MDDual OP-Amp.+OUT1IN1VCC+VCCOUT212345+IN1IN2+IN2 +678IC305: NJM4556ALDual OP-Amp82, 63, 51, 74V+INPUT+INPUTVOUTPUT80123456789101112131415161718192021222324AGND1INA1INA2INB1INB2INC1INC2IND1IND2INE1INE2INF1INF2AGND2INDVDFRINDVDFLINDVDCINDVDSRINDVDSLINDVDCBINDVDSWAGND3OUT1OUT264636261605958575655545352515049484746454443424179787776757473727170696867666525262728293031323334353637383940ING SWLOGICInput selectVccVEETREBLEBASSOutputmodeselectMastervolume6.1ch selectFRL selectVINFRGOUTFLVINFLAGND10TNF1TNF2BNFA1BNFB1BNFA2BNFB2OUTFROUTFLAGND9OUTCOUTSROUTSLOUTCBAGND8OUTSWAGND7VINCGOUTCVINSRGOUTSRAGND13ROUTC2ROUTC1ROUTB2ROUTB1ROUTA2ROUTA1AGND12VCCVEEAGND11DACLMUTETHGNDGOUTFRAGND4INDSPFRINDSPFLINDSPCINDSPSRINDSPSLINDSPCBINDSPSWAGND5GOUTSWVINSWAGND6GOUTCBVINCBGOUTSLVINSLREC AREC BREC CIC301: BD3816K1Input Select & Volume ControlRX-V450/HTR-5740/DSP-AX450FRONT LCENTERSURROUND L0.80.80.10.10000000000000000000000000000000000000.17.0-6.9000000000000000000000000-11.711.800.10000000000000000-11.6-11.6-11.6-11.6-11.6-11.60.710.09.39.30000-9.2-9.2-9.8000.70.10.10.1-11.80.111.80.1000000000000000.100.1-11.80.111.80.10.100007.07.77.7-7.9-7.0-6.9-11.70011.8000000HP AMP.MUTEMUTEMUTESELECTOR/VOLUMEMUTEPage 79to FUNCTION (2)L4Page 75to DSPI1Page 81to OPERATION (4)J6Page 81to OPERATION (1)G9Page 83to POWER (1)A1Page 83to POWER (1)A2A12345678910BCDEFGHIJKLMN79RX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX450SCHEMATIC DIAGRAM (FUNCTION 2/2)# All voltages are measured with a 10M/V DC electronic volt meter.# Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed.# Schematic diagram is subject to change without notice. 電圧、内部抵抗10M電圧計測定。 s印部品、安全性確保部品示。部品交換必要場合、記載部品使用。 本回路図標準回路図。改良予告変更。RX-V450/HTR-5740/DSP-AX450GNDVOUTVIN32VREFIC501: NJU7201L55Voltage Regulator1Point 1 Pin 13 of IC502IC503: LC72722RDS Decoder+REFERENCEVOLTAGE57kHzbpf(SCF)CCBTESTPLL(57kHz)ANTIALIASINGFILTERSMOOTHINGFILTERRAM(24 BLOCK DATA)ERROR CORRECTION(SOFT DECISION)SYNC/ECCONTROLLERSYNCDETECT-1DATADECODERCLOCKRECOVERY(1187.5Hz)MEMORYCONTROLOSC/DIVIDERVREFCLK(4.332MHz)SYNCDETECT-2VDDAVSSDVDDDRDS-IDSYNCSYRVSSAMPX INDOCLDICET1T2T3T4T5T6T7X INVREFFL OUTC INX OUT3141519182415642202122237891011 16 171312IC603, 606, 701: TC74HC4053AFAnalog Multiplexer/Demultiplexer16VDD6INHIBIT1115149ACB8VSS7VEE120X131X20Y11Y50Z31ZLEVELCONVERTER10BINARY TO 1-OF-8DECODER WITH INHIBITSWSWSWSWSWSW4Z-COMX-COMY-COMINPUT STATESINHIBIT000000001ON CHANNNEL (S)0X, 0Y, 0Z1X, 0Y, 0Z0X, 1Y, 0Z1X, 1Y, 0Z0X, 0Y, 1Z1X, 0Y, 1Z0X, 1Y, 1Z1X, 1Y, 1ZNONEC00001111XB00110011XA01010101XIC607, 608: TK15420MVideo Amp+12345 +678OUT AIN A+IN AVEEVCCOUT BIN B+IN BIC609: TC74HCU04AFHex Inverters1A1Y2YVCC6A1234112A6Y5A1213143A3Y5Y4A5674Y8910GNDIC702: NJM2581MVideo Amp13VOUT111VOUT29VOUT38GND10V+314V+112V+22NEE14VEE26VEE37PowerSave5VIN31VIN13VIN275Driver6dBAMPBIAS75Driver6dBAMPBIAS75Driver6dBAMPBIASREFIC601, 602, 901: LA7956Video Switch123456789VIDEOOUTABVIN1GNDVIN2VCCVIN3VIN4DRIVER6dBAMPCONTROL4 INPUT 1 OUTPUTVIDEO SWITCHPoint 2 Cathode of D501 and Pin 12 of IC502POWER ON(Connect the power cable)POWER OFF(Disconnect the power cable)A D501B IC502HTR-575012BA4.94.93.94.04.04.07.54.14.1004.04.94.95.95.90.3000.111.53.93.94.95.50.511.2004.94.94.94.911.211.211.511.55.95.95.95.96.56.56.96.90.10.10.10.10.10.10.10.100000000000000000000000004.24.24.21.51.11.95.05.75.65.65.65.64.14.84.84.94.94.84.84.74.74.74.74.84.84.84.84.84.84.84.84.84.8-11.6-11.6-11.64.84.14.84.84.84.84.84.74.10.10.10.10.10.10.10.50.5000.100.10.10.10.10.10.10.14.74.
