Denon-AVR1602-avr-sm维修电路原理图.pdf

《Denon-AVR1602-avr-sm维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Denon-AVR1602-avr-sm维修电路原理图.pdf（83页珍藏版）》请在收音机爱好者资料库上搜索。

1、Hi-Fi ComponentSERVICE MANUALMODEL AVR-1602/682AV SURROUND RECEIVER? Some illustrations using in this service manual are slightly different from the actual set.14-14, AKASAKA 4-CHOME, MINATO-KU, TOKYO 107-8011 JAPANTelephone: 03 (3584) 8111 X0116 1174 NC 0111For U.S.A., Canada, Europe,Asia, China, H

2、ong Kong &Taiwan R.O.C. modelRadioFans.CN 收音机爱 好者资料库2AVR-1602/682SPECIFICATIONSSAFETY 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

3、 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.? Audio SectionPower AmplifierRated output:Front:70W+70W(8/ohms, 20Hz20kHz wi

4、th 0.08% T.H.D )100W+100W(6/ohms, 1kHz with 0.7% T.H.D ) (U.S.A., Canada & Europe Models)110W+110W(6/ohms, EIAJ ) (Asia Model)Center:70W(8/ohms, 20Hz20kHz with 0.08% T.H.D )100W(6/ohms, 1kHz with 0.7% T.H.D ) (U.S.A., Canada & Europe Models)110W(6/ohms, EIAJ ) (Asia Model)Surround: 70W+70W(8/ohms, 2

5、0Hz20kHz with 0.08% T.H.D )100W+100W(6/ohms, 1kHz with 0.7% T.H.D ) (U.S.A., Canada & Europe Models)110W+110W(6/ohms, EIAJ ) (Asia Model)Output terminals:Front:A or B6 to 16W/ohmsA+B12 to 16W/ohmsCenter/Surround:6 to 16W/ohmsAnalogLINE input - PRE OUTInput sensitivity/input impedance:200mV/47k/kohms

6、Frequency response:10Hz100kHz: +1, 3dB(TONE DEFEAT ON)S/N ratio:98dB (IHF-A weighted)(TONE DEFEAT ON)? Video SectionStandard video jacksInput/output level and impedance:1Vp-p,75/ohmsFrequency response:5Hz10MHz +1, 3dBS-video jacks (U.S.A., Canada & Asia Models)Input/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 =110-15W)AM U.S.A., Canada Models:87.50MHz107.90MHz520kHz1710kHz Europe & Asia (for China) Models:87.50MHz108.00MHz522kHz1611kHz Asia (for Mult

8、iple voltage) Models:87.50MHz107.90MHz (0.2MHz steps)520kHz1710kHz (10kHz steps)87.50MHz108.00MHz (0.05MHz steps)522kHz1611kHz (9kHz steps)Usable sensitivity:1.0V (11.2dBf)18V50 dB quieting sensitivity:MONO1.6V (15.3dBf)STEREO23V (38.5dBf)S/N ratio:MONO80dB (IHF-A weighted)STEREO75dB (IHF-A weighted

9、)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:3.7A (USA & Canada model), 200W (Europe & Asia model)Maximum

10、external dimensions:434 (W) 147 (H) 417 (D) mm (17-3/32 5-25/32 16-7/16)Mass:9.8kg (20 lbs 9.7 oz)? Remote control unit (RC-896)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 oz) (including batteries)* For purposes of

11、improvement, specifications and design are subject to change without notice.RadioFans.CN 收音机爱 好者资料库AVR-1602/6823DISASSEMBLY(Follow the procedure below in reverse order when reassembling)Top CoverRemove 6 screws 1 and 3 screws 2, detach the Top Coverin the arrow direction.Top CoverFront Panel1.Remove

12、 4 screws 3 and 2 screws 4.2.Detach the Front Panel in the arrow direction.Front Panel11243Rear Panel1.Remove cord bushing 5 from the Rear Panel.2.Remove 31 screws 6.3.Detach the Rear Panel in the arrow direction.66Rear Panel587654321ABCDEAVR-1602/6824LEVEL DIAGRAM87654321ABCDEAVR-1602/6825BLOCK DIA

13、GRAMAVR-1602/6826FM ALIGNMENTInputOutputAdjustmentStepAlignmentItemTuningFrequencySettingTypeFrequencyInputLevelModulationCouplingTypeConnect toPointsAdjust to1CenterAdjustment98.1MHz(98.0MHz)FM SSG98.1MHz60dB?Mono1kHz 100%AntennaTerminalDigitalVoltmeterR471T402? 50mV2Distortion98.1MHz(98.0MHz)FM SS

14、G98.1MHz60dB?Mono1kHz 100%AntennaTerminalDistortionMeterOutputTerminal (L)T403MinimumDistortion3Repeat Steps 1 and 24Signal Level98.1MHz(98.0MHz)FM SSG98.1MHz20dB?OFFAntennaTerminalLight “TUNED” onFL DisplayVR402ADJUSTMENTTuner SectionCONNECTION DIAGRAM OF MEASURING INSTRUMENTS? FMSTEREOMODULATORFM

15、SSGDigitalVoltmeter75ohmT402T403IC402VR402TUNER BDR47120+1410dB? AMT402T403IC402TUNER BDR471VR401AM ALIGNMENTOutputAdjustmentStepAlignmentItemFrequencyInputTypeConnect toPointsAdjust toRemarks1Signal Level999 (1000)kHzAM SSG?VR401Light “TUNED” onFL DisplaySSG OUTPUT74dB? (EMF)AVR-1602/6827Audio Sect

16、ionIdling 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)PresettingG POWER (Power sourse switch)OFFG SPEAKER (Speaker terminal)No load (Do not conne

17、ct 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

18、 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 VR

19、101 to set the voltage to 2.5 mV 0.5 mV DC.(7)Adjust the Variable Resistors of other channels in the same way.AVR-1602/682812345678910113332313029282726252423343536373839404142434417161514131218 19 20 21 22A1,SCDINRD,R/W,EMOE,GPIO11WR,DS,EMWR,GPIO10AUDATA3,XMT958DGND1VD1MCLKSCLKLRCLKAUDATA0AUDATA1AU

20、DATA2DCDDRESETAGNDVAFILT1FILT2CLKSELCLKINCMPREQ,LRCLKN2CSSCDIO,SCDOUT,PSEL,GPIO9ABOOT,INTREQEXTMEM,GPIO8SDATAN1VD3DGND3SCLKN1,STCCLK2LRCLKN1CMPDAT,SDATAN2,RCV958CMPCLK,SCLKN2A0,SCCLKDATA7,EMAD7,GPIO7DATA6,EMAD6,GPIO6DATA5,EMAD5,GPIO5DATA4,EMAD4,GPIO4VD2DGND2DATA3,EMAD3,GPIO3DATA2,EMAD2,GPIO2DATA1,EM

21、AD1,GPIO1DATA0,EMAD0,GPIO0SEMICONDUCTORS? ? ? ? ? ICsCS49326-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

22、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

23、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 chi

24、p 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 one23V

25、D3Digital 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 cl

26、ock input31CLKSELDSP clock select32FILT2Phase locked loop filter33FILT1Phase locked loop filter34VAAnalog positive supply35AGNDAnalog supply ground36RESETMaster reset input37DDReserved38DCReserved39AUDATA2Digital audio output 240AUDATA1Digital audio output 141AUDATA0Digital audio output 042LRCLKAudi

27、o output sample rate clock43SCLKAudio output bit clock44MCLKAudio master clockPinNo.Pin NameFunctionAVR-1602/6829LC89055W (IC810)LC89055W Terminal Function1DISELIData input terminal (select input pin of DIN0, DIN1)2DOUTOInput bi-phase data through output terminal3DIN0IAmp built-in coaxial/optical in

28、put 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 filte

29、r 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 o

30、utput 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 ter

31、minal 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/C

32、2OInput 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

33、 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

34、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 t

35、erminal48XMODEIReset input terminalPinNo.Pin NameFunctionI/O? For latch-up countermeasure, set digital (DVDD) and analog (AVDD) power on/off in the same timing.AVR-1602/68210AK4527BVQ (IC813)AK4527BVQ Terminal Function123456789101112 13 14 15 16 17 18 19 20 21 22333231302928272625242344 43 42 41 40

36、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: In

37、ternal 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

38、 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

39、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 add

40、ress-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

41、 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,

42、 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 c

43、ontrolDIFIIAudio 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 contro

44、l), I2C=”L”: CCTI (3-wire serial), I2C =”H” SDA (I2C bus)44LOOP1ILoop back mode 1 pin, from SDT1 to all DACAVR-1602/68211123456781817161514131211Q3VDDOEQ7Q8Q11Q10Q9Q6VSSDATACLOCKLCKQ0Q1Q2910Q4Q5CONTROL CIRCUIT12-bit SHIFT RESISTER12-bit STRAGE RESISTEROUTPUT BUFFER (OPEN DRAIN)BU2090F (IC302)1MM74LC

45、X244 (IC818,819)RC1117S25T (IC820)RC1117S33ST (IC811)232ADJ/GNDOUTINMM74HC151 (IC832)VOUTFRONT VIEWLA1266 (IC402)10413819151718142122? ? ? ? ?511? ? ? ? ? ? ? ? ? ? ? ? ?2? ? ? ? ? ? ?6? ? ? ?7? ? ?23? ? ? ? ? ? ? ? ? ?24? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?16? ? ? ? ? ? ? ? ? ? ?1220? ? ? ? ? ? ? ? ?

46、 ? ? ? ? ?913? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?20191817161514131298756121LA3401 (IC403)22? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ! ? ?# ? ? ? ? ? ? ! ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? $? ?

47、? %234? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? %1011LC72131 (IC401)#& !&# ?# ?# ()# *# )(# ?# ? # &# !# #? ? ? ? ? ? ? ? #? ? &? ? ? ? ? ? #? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? &? ? ? ?

48、+ +? ? ? ?TDA7330BD (IC202)TOP VIEWPORMUXINTMVREFFSELCOMPT2FILOUTVCCGNDARIT1QUALT3RDDAT4RDCLOSCOUTT57OSCIN123456789102019181716151413121112412131234567820191816151413I3VCCOE2O2I5O0I4O1I6OEI0O4I1O5I2O6912O7O31011GNDI7TOP VIEWD4D5D6D7ABD2D1D0YWSD3C4567ABCVcc15141312111091623456781210YWSTROBEGND3DATAIN

49、PUTSOUTPUTSDATAINPUTSDATASELECTTOP VIEW17AVR-1602/68212644948333217161 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/G16AA3AA2AA1AM35AM34AM33

50、DICLCERESVDDOSCIOSCOVssTESTVFLG1G2G3G4G5G6LC75721E (IC301)VDDVSSVFLDICLCEDI: DataCL: ClockCE: Chip enableOSCIOSCORESAM1AM35AA1AA3AA4/G16AA5/G15AA6/G14AA7/G13AA8/G12G1G11TESTSymbolLC75721E Terminal FunctionPower terminal +5VPower terminal GNDPower terminal FL driveSerial data transfer terminalExterna