Denon-AVR484-avr-sm维修电路原理图.pdf

SERVICE MANUALAV SURROUND RECEIVERMODELAVR-1404/484For U.S.A., Canada, Europe,Asia, China, Taiwan R.O.C.& Korea model16-11, YUSHIMA 3-CHOME, BUNKYO-KU, TOKYO 113-0034 JAPANX0172V.02 DE/CDM 0309Some illustrations using in this service manual areslightly different from the actual set.Please use this service manual with referring to theoperating instructions without fail.For purposes of improvement, specifications anddesign are subject to change without notice.本文中使用、説明都合上現物多少異場合。修理際、必取扱説明書参照上、作業行。前、必読。本機、火災、感電、対安全性確保、配慮、法的電気用品安全法、所定許可得製造。従際、安全性維持、記載注意事項必守。本機仕様性能改良、予告変更。補修用性能部品保有期間、製造打切後8年。注意Ver. 2RadioFans.CN 收音机爱 好者资料库22AVR-1404/484SAFETY PRECAUTIONSThe following check should be performed for the continued protection of the customer and service technician.LEAKAGE CURRENT CHECKBefore returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassisresistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of thepower cord is less than 460 kohms, the unit is defective.(1)(2)500V1M(1)(2)RadioFans.CN 收音机爱 好者资料库33AVR-1404/484DISASSEMBLY(Follow the procedure below in reverse order when reassembling.)1. Top Cover(1) Remove 6 screws and 3 screws , detach the Top cover in the arrow direction.2. Front Panel(1) Remove 4 screws and 2 screws .(2) Detach the Front Panel in the arrow direction.3. Rear Panel(1) Remove cord bushing from the Rear Panel.(2) Remove 30 screws .(3) Detach the Rear Panel in the arrow direction.Top Cover121Front Panel435Rear Panel6644AVR-1404/484LEVEL DIAGRAMS (1/2)DIGITAL40dB30dB20dB6dB10dB40dB30dB20dB10dB0dB-10dB-12dB-18dB-18dB-35.5dB15.5dB25.5dB25.5dB15.5dBSPK OUTFRONT2.83V(1W/8ohm)SPK OUTFRONTH/P OUTSPK OUT2.83V(1W/8ohm)SPK OUTCENTERSURROUNDMUTEM62446MUTEDSP OUTH/P OUT47mV(0.27W 8ohm)-20dBFS-10dBFS0dBFSA/D INREV AMPA/D INREV AMPA/DD/AD/A OUTLPFDSPHPFREV AMPPRE AMPPOWER AMPM62446MUTEMUTESUM S/WATTSW SUMREV AMPTONEELECTRICVOLUMEDIRINPUTBUFFERAMPD/AA/DD/AD/A OUT100mV REFD/A OUT100mV REF-30dBFS-20dBFS-10dBFS0dBFS-30dBFS-20dB-10dB-20dB0dBCD INFRONTCENTERSURROUND6CH IN6CH IN6CH IN6CH IN (200mV)6dBD/A-20dBFS-10dBFS0dBFS-30dBFSVOL 00VOL 006CH INCD IN(200mV)55AVR-1404/484LEVEL DIAGRAMS (2/2)30dB20dB10dB0dB-18dB25.5(15.5+5+5)dBSUB WOOFERPRE OUT150mVSUB WOOFERPRE OUTM62446MUTEMUTEDSP OUTD/A OUTLPFREV AMPPRE AMPSW SUMREV AMPELECTRICVOLUMED/A-10dB-5dB-20dB-30dBSUB_WOOFER6CH INPUT6CH IN (112mV)6dB6dB5dBTO FRONT CH10.5dBLFELFEFront D/A Out200mV refConfig2Config1D/A-20dBFS-25dBFS-10dBFS0dBFS-30dBFS-35dBFSVOL 00(200mV)66AVR-1404/484BLOCK DIAGRAM77AVR-1404/484ADJUSTMENTFM ALIGNMENTInputOutputAdjustmentStepAlignmentItemTuningFrequencySettingTypeFrequencyInputLevelModulationCouplingTypeConnect toPointsAdjust to1CenterAdjustment98.1MHz(98.0MHz)FM SSG98.1MHz60dB?Mono1kHz 100%AntennaTerminalDigitalVoltmeterR471T402? 50mV2Distortion98.1MHz(98.0MHz)FM SSG98.1MHz60dB?Mono1kHz 100%AntennaTerminalDistortionMeterOutputTerminal (L)T403MinimumDistortion3Repeat Steps 1 and 24Signal Level98.1MHz(98.0MHz)FM SSG98.1MHz20dB?OFFAntennaTerminalLight “TUNED” onFL DisplayVR402Tuner SectionCONNECTION DIAGRAM OF MEASURING INSTRUMENTS? FMSTEREOMODULATORFM SSGDigitalVoltmeter75ohmT402T403IC402VR402TUNER BDR47120+1410dB? AMT402T403IC402TUNER BDR471VR401AM ALIGNMENTOutputAdjustmentStepAlignmentItemFrequencyInputTypeConnect toPointsAdjust toRemarks1Signal Level999 (1000)kHzAM SSG?VR401Light “TUNED” onFL DisplaySSG OUTPUT74dB? (EMF)88AVR-1404/484Audio SectionIdling CurrentRequired measurement equipment : DC VoltmeterPreparation(1)Avoid direct blow from an air conditioner or an electric fan, and adjust the unit at normal room tempereture15 C 30 C (59 F 86 F).(2)Presetting POWER (Power sourse switch)OFF SPEAKER (Speaker terminal)No load (Do not connect speaker, dummy resistor, etc.)Adjustment(1)Remove top cover and set VR101, VR102, VR103, VR104, VR105 on Amp. Unit at full counterclockwise ( )position.(2)Connect DC Voltmeter to test points (FRONT-Lch: TP104, FRONT-Rch: TP105, CENTER ch: TP103,SURROUND-Lch: TP101, SURROUND-Rch: TP102).(3)Connect power cord to AC Line, and turn power switch ON.(4)Presetting.MASTER VOLUME : - counterclockwise ( min.)MODE: 5CH STEREOFUNCTION: CD(5)Within 2 minutes after the power on, turn VR101 clockwise ( ) to adjust the TEST POINT voltage to 1.5 mV 0.5 mVDC.(6)After 10 minutes from the preset above, turn VR101 to set the voltage to 2.5 mV 0.5 mV DC.(7)Adjust the Variable Resistors of other channels in the same way.99AVR-1404/484SEMICONDUCTORSCXP740096 Terminal FunctionPin No.Pin NameI/OFunction19273 STBOTC9273 CONTROL29273 9164 CLKOTC9273/TC9164 CONTROL39273 9164 DATOTC9273/TC9164 CONTROL4SW SUMOSW SUMMING CONTROL5SEL. CLKOSEL. CLK6ERR MUTEOERR MUTE789055 AUTOOLC89055 CONTROL889055 AUDIOILC89055 CONTROL989055 EMPHAILC89055 CONTROL10SRAM CEOSRAM (IC833) CONTROL1149326 ABOOTOCS49326 CONTROL12ROM 3OROM (IC807) CONTROL13ROM 30OROM (IC807) CONTROL14ROM 2OROM (IC807) CONTROL1549326 RSTOCS94326 RESET1649326 CEOCS94326 CE17SCLKOLC89055/AK4527/CS49326 CLOCK1889055 CEOLC89055 CE194527 CEOAK4527 CE204527 RSTOAK4527 RESET219164 STOTC9164 CONTROL22SW MUTEOSW MUTE23RELAY FRONT BOFRONT B RELAY? ? ? ? ? ICsCXP740096(IC201)PH7PH6PH5PH4PH3PH2PH1PH0PK7/TO1RSTVSSXTALEXTALPK6/CS0PK5/SI0PK4/SO0PK3/SCK0PF7/AN11PF6/AN10PF5/AN9PC6PC7PA0PA1PA2PA3PA4PA5PA6PA7NCVDDVSSPK1/TXPK2/TEXPI1/RMCPI2/NMIPI3/TO0/ADJPI4/INT1/CS1PI5/SCK1PC5PC4PC3PC2PC1PC0PB7/SI2PB6/SO2PB5/SCK2PB4/TO2PB3PB2PB1PB0PJ7PJ6PJ5PJ4PJ3PJ2PJ1PJ0PD7PD6PD5PD4PD3PD2PD1PD0PI6/SO1PI7/SI1PE0/INT0PE1/INT2PE2/PWM0PE3/PWM1PE4PE5PE6PE7PG0/TxDPG1/RxDPG2/EC0PG3/EC1PG4/EC2PG5/INT3PG6/INT4PG7/CINTAN0AN1AN2AN3PF0/AN4PF1/AN5PF2/AN6PF3/AN7AVDDAVREFAVSSPF4/AN8123456789101112131415161718192031323334353637383940414243444546474849501009998979695949392919089888786858483828121222324252627282930807978777675747372717069686766656463626160595857565554535251TOP VIEW1010AVR-1404/48424RELAY FRONT AOFRONT A RELAY25RELAY SURROSURROUND RELAY26RELAY CNTOCENTER RELAY27RELAY H/POH/P RELAY28RELAY POWEROPOWER RELAY29CNT MUTEOCENTER MUTE30FRONT MUTEOFRONT MUTE31VIDEO MUTEOVIDEO MUTE32SURR MUTEOSURROUND MUTE33NC-34FL DRV RSTOLC75721NE RESET35NC-36NC-37NC-38SW ATT CTRLOSW. ATT. CONTROL39CINE EQ CTRLOCINEMA EQ. CONTROL40RESETIRESET41GNDI42XTAL-43EXTAL-44FL DRV CEOLC75721NE CE45FL DRV DATAOLC75721NE DATA46FL DRV/2090 CLKOCONTROL CLOCK472090 DATAOBU2090F DATA48VOL DOWNIENCODER INPUT (VOLUME)49VOL UPIENCODER INPUT (VOLUME)50SEL DOWNIENCODER INPUT (SELECT)51SEL UPIENCODER INPUT (SELECT)52AVSS-53VREF-54AVDD-55NC-56GND-57STEP OPTIAREA SELECT58SET OPTIMODEL SELECT59GND-60KEY IN3IKEY INPUT61KEY IN2IKEY INPUT62KEY IN1IKEY INPUT639K/10K STEPITUNER STEP SELECT64PROTECTIPROTECTION6589055 RSTOLC89055 RESET66SDINILC89055/AK4527/CS49326 DATA INPUT67SDIOOLC89055/AK4527/CS49326 SDIO68ROM CEOROM (IC807) CONTROL69FUNC DOWNIENCODER INPUT (FUNCTION)70FUNC UPIENCODER INPUT (FUNCTION)71NC-72NC-73NC-74NC-75NC-76NC-77PWR DOWNIPOWER DOWN DETECT78RDS CLKITDA7330 CONTROL CLOCK79RDS DATAITDA7330 CONTROL DATAPin No.Pin NameI/OFunction1111AVR-1404/48480NC-81NC-8249326 INTREQICS49326 INTREQ8374HC151 A0OIC832 CONTROL8474HC151 A1OIC832 CONTROL85REMOCONIREMOTE CONTROL SIGNAL INPUT86GND-87GND-88VSS-89VDD-VDD BACK UP90NC-91M62446 CEOM62446 CONTROL92PLL DATAOM62446/PLL CONTROL93PLL CLKOM62446/PLL CONTROL94PLL DT INIPLL CONTROL95TU MUTEOTUNER MUTE96STEREOISTEREO DETECT97TUNEDITUNED DETECT98PLL CEOPLL CONTROL99SEL 2OLA7952 CONTROL (VIDEO)100SEL 1OLA7952 CONTROL (VIDEO)Pin No.Pin NameI/OFunction1212AVR-1404/48412345678910113332313029282726252423343536373839404142434417161514131218 19 20 21 22A1,SCDINRD,R/W,EMOE,GPIO11WR,DS,EMWR,GPIO10AUDATA3,XMT958DGND1VD1MCLKSCLKLRCLKAUDATA0AUDATA1AUDATA2DCDDRESETAGNDVAFILT1FILT2CLKSELCLKINCMPREQ,LRCLKN2CSSCDIO,SCDOUT,PSEL,GPIO9ABOOT,INTREQEXTMEM,GPIO8SDATAN1VD3DGND3SCLKN1,STCCLK2LRCLKN1CMPDAT,SDATAN2,RCV958CMPCLK,SCLKN2A0,SCCLKDATA7,EMAD7,GPIO7DATA6,EMAD6,GPIO6DATA5,EMAD5,GPIO5DATA4,EMAD4,GPIO4VD2DGND2DATA3,EMAD3,GPIO3DATA2,EMAD2,GPIO2DATA1,EMAD1,GPIO1DATA0,EMAD0,GPIO0CS49326-CL(IC812)CS49326-CL Terminal Function1VD1Digital positive supply2DGND1Digital supply ground3AUDATA3, XMT958SPDIF transmitter output, Digital audio output 34WR, DS, EMWR, GPIO10Host write strobe or host data strobe or external memory write enable or general purpose input & output number 105RD, R/W, EMOE, GPIO11Host parallel output enable or host parallel R/W or external memory output enable or general purpose input & output number116A1, SCDINHost address bit one or SPI serial control data input7A0, SCCLKHost parallel address bit zero or serial control port clock8DATA7, EMAD7, GPIO79DATA6, EMAD6, GPIO610DATA5, EMAD5, GPIO511DATA4, EMAD4, GPIO412VD2Digital positive supply13DGND2Digital supply ground14DATA3, EMAD3, GPIO315DATA2, EMAD2, GPIO216DATA1, EMAD1, GPIO117DATA0, EMAD0, GPIO018CSHost parallel chip select, host serial SPI chip select19SCDIO, SCDOUT, PSEL, GPIO9Serial control port data input and output, parallel port type select20INTREQ, ABOOTControl port interrupt request, automatic boot enable21EXTMEM, GPIO8External memory chip select or general purpose input & output number 822SDATAN1PCM audio data input number one23VD3Digital positive supply24DGND3Digital supply ground25SCLKN1, STCCLK2PCM audio input bit clock26LRCLKN1PCM audio input sample rate clock27CMPDAT, SDATAN2, RCV958PCM audio data input number two28CMPCLK, SCLKN2PCM audio input bit clock29CMPREQ, LRCLKN2PCM audio input sample rate clock30CLKINMaster clock input31CLKSELDSP clock select32FILT2Phase locked loop filter33FILT1Phase locked loop filter34VAAnalog positive supply35AGNDAnalog supply ground36RESETMaster reset input37DDReserved38DCReserved39AUDATA2Digital audio output 240AUDATA1Digital audio output 141AUDATA0Digital audio output 042LRCLKAudio output sample rate clock43SCLKAudio output bit clock44MCLKAudio master clockPinNo.Pin NameFunction1313AVR-1404/484LC89055W (IC810)LC89055W Terminal Function1DISELIData input terminal (select input pin of DIN0, DIN1)2DOUTOInput bi-phase data through output terminal3DIN0IAmp built-in coaxial/optical input correspond data input terminal4DIN1IAmp built-in coaxial/optical input correspond data input terminal5DIN2IOptical input correspond data input terminal6DGNDDigital GND7DVDDDigital power supply8RIVCO gain control input terminal9VINIVCO free-run frequency setting input terminal10LPFOPLL loop filter setting terminal11AVDDAnalog power supply12AGNDAnalog GND13CKOUTOClock output terminal (256fs, 384fs, 512fs, Xtal osc., VCO free-run osc.)14BCKO64fs clock output terminal15LRCKOfs clock output terminal (L: Rch, H: Lch, I2S: Reverse)16DATAOOData output terminal17XSTATEOInput data detecting result output terminal18DGNDDigital GND19DVDDDigital power supply20XMCKOXtal osc. clock output terminal (24.576MHz or 12.288MHz)21XOUTOXtal osc. connection output terminal22XINIXtal osc. connection input terminal, external signal input possible (24.576MHz or 12.288MHz)23EMPHAOEmphasis information output terminal of channel status24AUDIOOBit1 output terminal of channel status25CSFLAGOTop 40bit revise flag output terminal of channel status26F0/P0/C0OInput fs cal. sig. out/data type out/input word inf. output terminal27F1/P1/C1OInput fs cal. sig. out/data type out/input word inf. output terminal28F2/P2/C2OInput fs cal. sig. out/data type out/input word inf. output terminal29VF/P3/C3OValidity flag out/data type out/input word inf. output terminal30DVDDDigital power supply31DGNDDigital GND32AUTOONon PCM burst data transfer detect sig. output terminal33BPSYNCONon PCM burst data preamble Pa, Pb, Pc, Pd sync sig. output terminal34ERROROPLL lock error, data error flag output terminal35DOOCPU/IFD read data output terminal36DIICPU I/F write data input terminal37CEICPU I/F chip enable input terminal38CLICPU I/F chip enable input terminal39XSELIFrequency select input pin of XIN Xtal osc. (24.576MHz or 12.288MHz)40MODE0IMode setting input terminal41MODE1IMode setting input terminal42DGNDDigital GND43DVDDDigital power supply44DOSEL0IData output format select input terminal45DOSEL1IData output format select input terminal46CKSEL0IOutput clock select input terminal47CKSEL1IOutput clock select input terminal48XMODEIReset input terminalPinNo.Pin NameFunctionI/O? For latch-up countermeasure, set digital (DVDD) and analog (AVDD) power on/off in the same timing.1414AVR-1404/484AK4527BVQ (IC813)AK4527BVQ Terminal Function123456789101112 13 14 15 16 17 18 19 20 21 22333231302928272625242344 43 42 41 40 39 38 37 36 35 34SDOSI2CSMUTEBICKLRCKSDTI1DAUXDFSDZ F2/OVFRIN+RINROUT1L0OP1L0OP0/SDA/CDTIDIF1/SCL/CCLKDIF0/CSNP/SMCLKDZF1AVSSAVDDVREFHVCOMNCTVDDPDNTSTCAD1LIN+LINLOUT1ROUT2LOUT2ROUT3LOUT3SDTI2SDTI3SDTODZ FEDVDDDVSSNCADIFCAD0Top ViewAK4527BVQPinNo.Pin NameI/OFunction1SDOSISDTO source select pin, L: Internal ADC output, H: DAUX input2I2CISerial control mode select pin, L: 3-core serial, H: I2C bus3SMUTEISoft mute pin, H: Soft mute start, L: Release4BICKIAudio serial data clock pin5LRCKIInput channel clock pin6SDTI1IDAC1 audio serial data input pin7SDTI2IDAC2 audio serial data input pin8SDTI3IDAC3 audio serial data input pin9SDTOOAudio serial data output pin10DAUXIAuxiliary audio serial data input pin11DFSIDouble speed sampling mode pin, L: Normal, H: Double12NC?No Connect, No internal bonding13DZFEIZero input detect enable pin14TVDD?Power pin for output buffer, 2.7V5.5V15DVDD?Digital power pin, 4.5V5.5V16DVss?Digital GND pin, 0V17PDNIPower down & reset pin, L: Powered-down and register initialized, Reset with PDN when switching P/S or CAD0-118TSTITest pin, connected to DVSS19NC?No Connect, No internal bonding20ADIFIAnalog Input Format Select pin21CAD1IChip address-1 pin22CAD0IChip address-0 pin23LOUT3ODAC3L channel analog out pin24ROUT3ODAC3R channel analog out pin25LOUT2ODAC2L channel analog out pin26ROUT2ODAC2R channel analog out pin27LOUT1ODAC1L channel analog out pin28ROUT1ODAC1R channel analog out pin29LIN-IL-ch analog inverted input pin30LIN+IL-ch analog non-inverted input pin31RIN-IR-ch analog inverted input pin32RIN+IR-ch analog non-inverted input pin33DZF2/OVFO0 input detect 2 pin/Analog input overflow detect pin34VCOMOCommon V-out pin, AVDD/2, connect large capacitor to avoid noise35VREFHIRef. V input pin, AVDD36AVDD?Analog GND pin, 4.5V5.5V37AVss?Analog GND pin, 0V38DZF1O0 input detect pin, H: Input data of G1 is 8192 times “0” in a raw or RSTN bit “0”39MCLKIMaster clock input pin40P/SIParallel/Serial select pin, L: Serial controlDIF0IAudio data I/F format 0 pin (parallel control)41CSNIChip select pin (3-wire serial control), connect to DVDD when I2C bus controlDIFIIAudio data I/F format 1 pin (parallel control)42SCL/CCLKIControl data clock pin (serial control), I2C=”L”: CCLK (3-wire serial), I2C=”H”: SCL (I2C bus)LOOP0ILoop back mode 0 pin (parallel control), effects digital loop back ADC to all DAC43SDA/CDTII/O Control data input pin (serial control), I2C=”L”: CCTI (3-wire serial), I2C =”H” SDA (I2C bus)44LOOP1ILoop back mode 1 pin, from SDT1 to all DAC1515AVR-1404/4841234567818171615141312