Denon-AVR1802-avr-sm维修电路原理图.pdf

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1、Hi-Fi ComponentSERVICE MANUALMODEL AVR-1802/882AV SURROUND RECEIVER? Some illustrations using in this service manual are slightly different from the actual set.For U.S.A., Canada, Europe,Asia, China, Hong Kong &Taiwan R.O.C. model14-14, AKASAKA 4-CHOME, MINATO-KU, TOKYO 107-8011 JAPANTelephone: 03 (

2、3584) 8111X0117 1174 NC 0109RadioFans.CN 收音机爱 好者资料库2AVR-1802/882SAFETY 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 curren

3、t check or (2) a line tochassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power cord is less than 460 kohms, the unit is defective.SPECIFICATIONS? ? ? ? ? Audio sectionPower amplifierRated output:Front:80W + 80W(8/ohms, 20H

4、z 20kHz with 0.08% T.H.D)115W + 115W (6/ohms, 1kHz with 0.7% T.H.D) (U.S.A., Canada & Europe Models)130W + 130W (6/ohms, EIAJ) (Asia Model)Center:80W(8/ohms, 20Hz 20kHz with 0.08% T.H.D)115W(6/ohms, 1kHz with 0.7% T.H.D) (U.S.A., Canada & Europe Models)130W(6/ohms, EIAJ) (Asia Model)Surround:80W + 8

5、0W(8/ohms, 20Hz 20kHz with 0.08% T.H.D)115W + 115W (6/ohms, 1kHz with 0.7% T.H.D) (U.S.A., Canada & Europe Models)130W + 130W (6/ohms, EIAJ) (Asia Model)Output terminals:Front:A or B 6 to 16/ohmsA + B 12 to 16/ohmsCenter/Surround:6 to 16/ohmsAnalogLINE input - PRE OUTInput Sensitivity/input impedanc

6、e:200mV/47k/kohmsFrequency response:10Hz100kHz: + 1, 3dB (TONE DEFEAT ON)S/N ratio:100dB (IHF-A weighted) (TONE DEFEAT ON)? ? ? ? ? Video sectionStandard video jacksInput/output level and impedance:1Vp-p, 75/ohmsFrequency response:5Hz10MHz +1, 3dBS-video jacksInput/output level and impedance:Y (brig

7、htness) signal 1Vp-p, 75/ohmsC (color) signal 0.286Vp-p, 75/ohmsFrequency response:5Hz10MHz +1, 3dB? ? ? ? ? Tuner sectionReceiving range:FM (note: V at 75/ohms, 0dBf =1x10-15W)AM U.S.A. & Canada Models87.50MHz107.90MHz520kHz1710kHz Europe & Asia (for China) Models87.50MHz108.00MHz522kHz1611kHz Asia

8、 (for Multiple voltage) Models87.50MHz107.90MHz (0.2MHz steps)520kHz1710kHz (10kHz steps)87.50MHz108.00MHz (0.05MHz steps)522kHz1611kHz (9kHz steps)Usable sensitivity:1.0 V (11.2dBf)18 V50dB quieting sensitivity:MONO1.6 V (15.3dBf)STEREO23 V (38.5dBf)S/N ratio:MONO80dB (IHF-A weighted)STEREO75dB (IH

9、F-A weighted)Total harmonic distortion:MONO0.15% (1kHz)STEREO0.3% (1kHz)? ? ? ? ? GeneralPower supply: U.S.A., Canada ModelsAC120V, 60Hz Europe ModelAC230V, 50Hz Asia (for Multiple voltage) ModelAC115/230V, 50/60Hz Asia (for China) ModelAC220V, 50HzPower consumption:4.5A (U.S.A. & Canada model), 230

10、W (Europe & Asia model)Maximum external dimensions:434 (W) 171 (H) 417 (D)mm (17-3/32” 6-47/64” 16-7/16”)Mass:10.9kg (24lbs 0.5 oz)? ? ? ? ? Remote control unit (RC-897)Batteries:R6P/AA Type(two batteries)External dimensions:54 (W) 172.5 (H) 29 (D)mm (2-1/8” 6-51/64” 1-9/64”)Mass:120g (Approx. 4.2 o

11、z) (including batteries)* For purposes of improvement, specifications and design are subject to change without notice.RadioFans.CN 收音机爱 好者资料库3AVR-1802/882DISASSEMBLY (To reassemble reverse disassenbly)Top CoverRemove 6 screws 1 and 3 screws 2, detach the Top Coverin the arrow direction.Top CoverFron

12、t Panel1. Remove 2 screws 3.2. Remove 4 screws 4.3. Detach the Front Panel in the arrow direction.211Front Panel334Rear Panel1. Remove cord bushing 5 from the Rear Panel.2. Remove 36 screw 6.3. Detach the Rear Panel in the arrow direction.5666Rear Panel4AVR-1802/882ADJUSTMENTTuner SectionCONNECTION

13、DIAGRAM OF MEASURING INSTRUMENTS? FMSTEREOMODULATORFM SSGDigitalVoltmeter75ohmT402T403IC402VR402TUNER BDR471? AMT402T403IC402TUNER BDR471VR40120+1410dBFM ALIGNMENTInputOutputAdjustmentStepAlignmentItemTuningFrequencySettingTypeFrequencyInputLevelModulationCouplingTypeConnect toPointsAdjust to1Center

14、Adjustment98.1MHz(98.0MHz)FM SSG98.1MHz60dBAntennaTerminalDigitalVoltmeterR471T402 50mV2Distortion98.1MHz(98.0MHz)FM SSG98.1MHz60dBMono1kHz 100%AntennaTerminalDistortionMeterOutputTerminal (L)T403MinimumDistortion3Repeat Steps 1 and 24Signal Level98.1MHz(98.0MHz)FM SSG98.1MHz20dBOFFAntennaTerminalLi

15、ght “TUNED” onFL DisplayVR402AM ALIGNMENTOutputAdjustmentStepAlignmentItemFrequencyInputTypeConnect toPointsAdjust toRemarks1Signal Level999 (1000)kHzAM SSGVR401Light “TUNED” onFL DisplaySSG OUTPUT 74dB (EMF)5AVR-1802/882Audio SectionIdling CurrentRequired measurement equipment : DC VoltmeterPrepara

16、tion(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)PresettingG POWER (Power sourse switch)OFFG SPEAKER (Speaker terminal)No load (Do not connect speaker, dummy resistor, etc.)Adjustment(1)Remove top cover and se

17、t 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

18、 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 Res

19、istors of other channels in the same way.87654321ABCDEAVR-1802/8826LEVEL DIAGRAM7AVR-1802/88212345678910113332313029282726252423343536373839404142434417161514131218 19 20 21 22A1,SCDINRD,R/W,EMOE,GPIO11WR,DS,EMWR,GPIO10AUDATA3,XMT958DGND1VD1MCLKSCLKLRCLKAUDATA0AUDATA1AUDATA2DCDDRESETAGNDVAFILT1FILT2

20、CLKSELCLKINCMPREQ,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,GPIO0SEMI

21、CONDUCTORS? ? ? ? ? ICsCS493263-CL(AU: IC812)CS493263-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 purpos

22、e 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 c

23、lock8DATA7, 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,

24、 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 suppl

25、y24DGND3Digital 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 clo

26、ck 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 clo

27、ck43SCLKAudio output bit clock44MCLKAudio master clockPinNo.Pin NameFunction8AVR-1802/882LC89055W (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 inpu

28、t 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 terminal11AVDD

29、Analog 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 terminal18DGNDDigi

30、tal 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 status2

31、4AUDIOOBit1 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

32、/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 termin

33、al34ERROROPLL 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 s

34、etting 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 inp

35、ut terminalPinNo.Pin NameFunctionI/O? For latch-up countermeasure, set digital (DVDD) and analog (AVDD) power on/off in the same timing.9AVR-1802/882AK4527BVQ (IC813)AK4527BVQ Terminal Function123456789101112 13 14 15 16 17 18 19 20 21 22333231302928272625242344 43 42 41 40 39 38 37 36 35 34SDOSI2CS

36、MUTEBICKL RCKSDTI1DAUXDFSDZ F2/ OV FRIN+RINROUT1L 0OP1L 0OP0/ SDA/ CDTIDIF1/ SCL / CCL KDIF0/ CSNP/ SMCL KDZ F1AV SSAV DDV REFHV COMNCTV DDPDNTSTCAD1L IN+L INL OUT1ROUT2L OUT2ROUT3L OUT3SDTI2SDTI3SDTODZ FEDV DDDV SSNCADIFCAD0Top ViewAK4527BVQPinNo.Pin NameI/OFunction1SDOSISDTO source select pin, L:

37、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 pin8SDTI3IDA

38、C3 audio serial data input pin9SDTOOAudio serial data output pin10DAUXIAuxiliary audio serial data input pin11DFSIDouble speed sampling mode pin, L: Normal, H: Double12NCNo Connect, No internal bonding13DZFEIZero input detect enable pin14TVDDPower pin for output buffer, 2.7V5.5V15DVDDDigital power p

39、in, 4.5V5.5V16DVssDigital GND pin, 0V17PDNIPower down & reset pin, L: Powered-down and register initialized, Reset with PDN when switching CAD0-118TSTITest pin, connected to DVSS19NCNo Connect, No internal bonding20ADIFIAnalog Input Format Select pin21CAD1IChip address-1 pin22CAD0IChip address-0 pin

40、23LOUT3ODAC3L 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-

41、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, AVDD36AVDDAnalog GND pin, 4.5V5.5V37AVssAnalog GND pin, 0V38DZF1O0

42、input detect pin, H: Input data of G1 is 8192 times “0” in a raw or RSTN bit “0”, L: When P/S= “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

43、 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/OControl data input pin (serial c

44、ontrol), I2C=”L”: CCTI (3-wire serial), I2C=”H” SDA (I2C bus)44LOOP1ILoop back mode 1 pin, from SDT1 to all DAC10AVR-1802/882123456781817161514131211Q3VDDOEQ7Q8Q11Q10Q9Q6VSSDATACLOCKLCKQ0Q1Q2910Q4Q5CONTROL CIRCUIT12-bit SHIFT RESISTER12-bit STRAGE RESISTEROUTPUT BUFFER (OPEN DRAIN)BU2090F (IC302, 60

45、2)1MM74LCX244 (IC818,819)RC1117S25T (IC820)RC1117S33ST (IC811)232ADJ/GNDOUTINMM74HC151 (IC832)VOUTFRONT VIEWLA1266 (IC402)10413819151718142122? ? ? ? ?511? ? ? ? ? ? ? ? ? ? ? ? ?2? ? ? ? ? ? ?6? ? ? ?7? ? ?23? ? ? ? ? ? ? ? ? ?24? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?16? ? ? ? ? ? ? ? ? ? ?1220? ? ? ?

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48、&? ? ? ? + +? ? ? ?TDA7330BD (IC202)TOP VIEWPORMUXINTMVREFFSELCOMPT2FILOUTVCCGNDARIT1QUALT3RDDAT4RDCLOSCOUTT57OSCIN123456789102019181716151413121112412131234567820191816151413I3VCCOE2O2I5O0I4O1I6OEI0O4I1O5I2O6912O7O31011GNDI7TOP VIEWD4D5D6D7ABD2D1D0YWSD3C4567ABCVcc15141312111091623456781210YWSTROBEG

49、ND3DATAINPUTSOUTPUTSDATAINPUTSDATASELECTTOP VIEW1711AVR-1802/882644948333217161 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM 7 AM 8 AM 9AM 10AM 11AM 12AM 13AM 14AM 15AM 16AM 17AM 18AM 19AM 20AM 21AM 22AM 23 AM 24AM 25AM 26AM 27AM 28AM 29AM 30AM 31AM 32G7 G8G9G10G11AA8/G12AA7/G13AA6/G14AA5/G15AA4/G16AA3AA2AA1AM3

50、5AM34AM33DICLCERESVDDOSCIOSCOVssTESTVFLG1G2G3G4G5G6LC75721E (IC301)VDDVSSVFLDICLCEDI: DataCL: ClockCE: Chip enableOSCIOSCORESAM1AM35AA1AA3AA4/G16AA5/G15AA6/G14AA7/G13AA8/G12G1G11TESTSymbolLC75721E Terminal FunctionPower terminal +5VPower terminal GNDPower terminal FL driveSerial data transfer termin