Denon-AVCA1SR-avr-sm维修电路原理图.pdf

《Denon-AVCA1SR-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-AVCA1SR-avr-sm维修电路原理图.pdf（117页珍藏版）》请在收音机爱好者资料库上搜索。

1、Hi-Fi ComponentSERVICE MANUALMODELAVR-5803MODELAVC-A1SRAV SURROUND RECEIVER / AMPLIFIERCharger Base StationAVR-5803 model only?Some illustrations using in this service manual are slightly different from the actual set.16-11, YUSHIMA 3-CHOME, BUNKYOU-KU, TOKYO 113-0034 JAPANTelephone: 03 (3837) 5321F

2、or U.S.A., Canada,Europe, Asia, China &Taiwan R.O.C. model X0142 1174 NC 0204RadioFans.CN 收音机爱 好者资料库2AVR-5803/AVC-A1SRSPECIFICATIONSAudio SectionPower amplifier:Rated output:Stereo (2 ch driven)(All properties shown are only for the 170 W + 170 W (8 /ohms, 20 Hz 20 kHz with 0.05 % T.H.D.)power ampli

3、fer stage.) 200 W + 200 W (6 /ohms, 20 Hz 20 kHz with 0.05 % T.H.D.)Dynamic power:190 W 2 ch (8 /ohms)310 W 2 ch (4 /ohms)390 W 2 ch (2 /ohms)Output terminals:Front/Center:616 /ohmsSurround:A or B6 16 /ohmsA + B8 16 /ohmsAnalog:Input sensitivity/input impedance:200 mV/47 k/kohmsFrequency response:10

4、 Hz 100 kHz: +0, 3 dB (DIRECT mode)S/N:105 dB (DIRECT mode)Distortion:0.005 % (20 Hz 20 kHz) (DIRECT mode)Rated output/maximum output:1.2 V/8 VDigital:D/A output:Rated output 2 V (at 0 dB playback)Total harmonic distortion 0.003 % (1 kHz, at 0 dB)S/N ratio 115 dBDynamic range 112 dBDigital input:For

5、mat Digital audio interfacePhono equalizer (PHONO input REC OUT):Input sensitivity:2.5 mVRIAA deviation:1 dB (20 Hz to 20 kHz)Signal-to-noise ratio:74 dB (A weighting, with 5 mV input)Rated output/Maximum output:150 mV/8VDistortion factor:0.03 % (1 kHz, 3 V)Video SectionStandard video jacksInput/out

6、put level and impedance:1 Vp-p, 75 /ohmsFrequency response:5 Hz 10 MHz +0, 3 dBS-video jacksInput/output level and impedance:Y (brightness) signal 1 Vp-p, 75 /ohmsC (color) signal 0.286 Vp-p, 75 /ohmsFrequency response:5 Hz 10 MHz +0, 3 dBColor component video terminal:Input/output level and impedan

7、ce:Y (brightness) signal 1 Vp-p, 75 /ohmsCb (blue) signal 0.7 Vp-p, 75 /ohmsCr (red) signal 0.7 Vp-p, 75 /ohmsFrequency response:DC 30 MHz +0, 3 dBTuner Section (AVR-5803 only)FM (note: V at 75 /ohms, 0 dBf = 1 10-15 W)AMReceiving range:87.5 MHz 107.9 MHz520 kHz 1710 kHzUsable sensitivity:1.0 V (11.

8、2 dBf)18 V50 dB Quieting sensitivity:MONO 1.6 V (15.3 dBf)STEREO 23 V (38.5 dBf)Signal to Noise Ratio (IHF-A):MONO 80 dB50 dBSTEREO 75 dBTotal Harmonic Distortion (at 1 kHz):MONO 0.15 %STEREO 0.3 %GeneralPower supply:AC 120 V, 60 Hz (U.S.A., Canada & Taiwan R.O.C. model)AC 230 V, 50 Hz (Europe & Asi

9、a model)AC 220 V, 50 Hz (China model)Power consumption:12 A (U.S.A., & Canada model)720 W (Europe, Asia & China model)670 W (Taiwan R.O.C. model)Maximum external dimensions:434 (W) 216 (H) 486 (D) mm (17-3/32 8-1/2 19-9/64)Mass:29 kg (61 lbs 11.7 oz)Remote Control Unit (RC-8000) AVR-5803 model / (RC

10、-871) AVC-A1SR modelBatteries:LR6/AA Type (four batteries)External dimensions:96 (W) 38 (H) 168.5 (D) mm (3-25/32 1-1/2 6-41/64)Mass:242 g (Approx. 8.5 oz) (not including batteries)* For purposes of improvement, specifications and design are subject to change without notice.SAFETY PRECAUTIONSThe fol

11、lowing 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 mill

12、iamps, or if the resistance from chassis to either side of thepower cord is less than 460 kohms, the unit is defective.RadioFans.CN 收音机爱 好者资料库3AVR-5803/AVC-A1SRWIRE ARRANGEMENTIf wire bundles are untied or moved to perform adjustment or parts replacement etc.,be sure to rearrange them neatly as they

13、were originally bundled or placed afterward.Otherwise, incorrect arrangement can be a cause of noise generation.Wire arrangement viewed from the topBack Panel sideFront Panel sideBack Panel sideFront Panel sideWire arrangement viewed from the side (left)4AVR-5803/AVC-A1SRFront Panel sideBack Panel s

14、ideWire arrangement viewed from the bottomBack Panel sideFront Panel sideWire arrangement viewed from the side (right)5AVR-5803/AVC-A1SRDISASSEMBLY( Follow the procedure below in reverse order when reassembling )Top Cover1.Remove 8 screws 1 on the top.2.Detach the Top Cover as shown in the arrow dir

15、ection.Side CoverRemove 4 screws 2 and 8 screws 3.1Top cover223333Side CoverSide CoverFront Panel1.Remove 3 screws 4.2.Remove 5 screws 5.3.Disconnect FFC wire from its connector, and detach theFront Panel in the arrow direction.FFC WireFront Panel5546AVR-5803/AVC-A1SRP.W.B.s on Front Panel1.FLD P.W.

16、B. & Master VR P.W.B.Remove 6 screws 6 after taking off the master volumeknob and nut.2.Tact SW P.W.B.Remove 8 screws 7 after taking off the tone volumeknobs and nuts.3.Remo-con. P.W.B.Remove 2 screws 8 after taking off the input selectorknob and nut.4.Power SW P.W.B.Remove 2 screws 9.Power SW P.W.B

17、.Remo-con. P.W.B.Input Selector KnobFLD P.W.B.Master Volume KnobTone KnobMaster Volume P.W.B.Tact SW P.W.B.Pre-reg. P.W.B. / Reg. Drive P.W.B. /Connect P.W.B. Block1.Cut and remove 6 wire clampers from the Fan Bracket (L)and (R).2.Remove 4 screws ? ? and take off the Fan Unit.3.Remove 2 screws ? ? a

18、nd pull up the Pre-reg. P.W.B.,Reg. Drive P.W.B., and Connect P.W.B. Block.Wire ClampersFAN Bracket (L)FAN Bracket (R)? ?Pre-reg. P.W.B. / Reg. Drive P.W.B. /Connect P.W.B. BlockWire Clampers7698? ? ?67AVR-5803/AVC-A1SRS. Video P.W.B. / C. Video P.W.B. / Comp.Video P.W.B. Block1.Take off the Fan uni

19、t, then remove 2 screws ? ? to detachthe cover.2.Remove 6 screws ? ?, 4 screws ? ?, 47 screws ? ? (45screws ? ? for AVC-A1SE model), and detach the BackPanel.3.Release 2 hooks of the holder fixing the S. Video P.W.B.S. Video P.W.B.HolderCoverHolderBack Panel? ? ? ? ?Power Amp L/R P.W.B.1.Remove 30 s

20、crews ? ? of the wires connecting to thePower Amp L/R P.W.B. (L side: 14, R side: 16)2.Remove 8 screws ? ? fastening to the chassis.Power Amp (L)P.W.B.? ? ? ?Power Amp (R) P.W.B.AVR-5800 only? ? ? ? ? ? ? ? ? ?8AVR-5803/AVC-A1SRFront Chassis, Primary P.W.B., H/P P.W.B.1.Remove 6 screws ? ?.2.Detach

21、the Front Chassis by pulling upward to release 4hooks.3.Remove 3 screws 20 and snap plate, then detach theH/P P.W.B.Front ChassisHookHook? ?Snap PlateH/P P.W.B.? ?20209AVR-5803/AVC-A1SRClock FlowCLOCK FLOW & WAVE FORM IN DIGITAL BLOCK24.576MHzIEEE1394 BOARDIC677(3)SYSCK BCKLRCK SDATA256fs64fsfsF/FLF

22、RCSSBSW256fs64fsfsFCSSB(18)(16)(17)(15)OUTOUTOUTOUTOUTOUTOUTOUTOUTININININININININPUTSELECTORADIN(22)(5)(7)(8)(136)(137)(139)(141)(142)(143)(118)(116)(113)(131)(132)(133)(134)SN74HC FINFRINCINSINSBINSWINFCSSB151APWSBCK(24)(27)IN_64fsO(5)(2)RX0SLRCK(23)(28)IN_fsODAC256fs(100)(7)SCKI/BCKIC517(4)RX2DAC

23、64fs(98)(6)BCK(5)RX3RMCK(16)(18)IN_256fsDACfs(96)(4)LRCKRBCK(17)(23)IN_64fsIDAC_FDATA(92)(5)DATA/DATAL(29)XINRLRCK(20)(25)IN_fsIDAC_FDATAN(91)(15)MUTE/DATARRECOUTRDATA(21)(29)IN_FDATAFL/FRchSELECTORDAC_CDATA(87)IC519(30)IN_CDATADAC_CDATAN(86)(31)IN_SDATADAC_SDATA(84)ADIN(22)DAC_SDATAN(83)(32)IN_SBDA

24、TADIGITAL(48)TXORBCK(17)DAC_SBDATA(81) EXT.INRLRCK(20)DAC_SBDATAN(80)(7)SCKI/BCKIC511RDATA(21)(6)BCKIC512(4)RX21TFS(45)(72)2RFS(4)LRCK(5)RX3TMCK(44)1TCLK(44)(71)2RCLK(5)DATA/DATALTBCK(45)(15)MUTE/DATARDENONTLRCK(46)1F_T(56)(70)2F_RC/SWchLINK(29)XINTDATA(47)1C_T(55)(69)2C_RIC5231S_T(54)(68)2S_R1SB_T(

25、53)(67)2SB_RFL/FRC/SWADIN(22)(4)RX2(42)(41)(40)(39)(38)(37)(78)(74)(63)(62)(61)(60)SL/SR(5)RX3RBCK(17)1RFS 1RCLK 1F_R1C_R 1S_R 1SB_R2TFS 2TCLK 2F_T2C_T2S_T2SB_T(7)SCKI/BCKRLRCK(20)(6)BCKIC524(29)XINRDATA(21)(4)LRCK(5)DATA/DATALUPLINK(15)MUTE/DATAR(B05)(D05)(E04)(C05)(C06)(D06)(C08)(A07)(C07)(B07)(B0

26、8)(A08)SL/SRchSFS0 SCLK0 SD0A SD0B SD1A SD1BSFS2 SCLK2 SD2A SD2B SD3ASD3BADIN(22)(D07)(B06)(C09)(D09)SFS1 SCLK1SFS3 SCLK3(4)RX2RBCK(17)RLRCK(20)SFS2(C08)(B05)SFS0(29)XINRDATA(21)SFS3(C09)(D07)SFS1SCLK2(A07)(D05)SCLK0TMCK(44)SCLK3(D09)(B06)SCLK1(7)SCKI/BCKTBCK(45)(6)BCK(48)TXOTLRCK(46)SD2A(C07)(E04)S

27、D0A(4)LRCKTDATA(47)SD2B(B07)(C05)SD0B(5)DATA/DATALGNDSD3A(B08)(C06)SD1A(15)MUTE/DATARSD3B(A08)(D06)SD1BSBL/SBRchADSP-21161NIC806,856,906,956ICPCM1804IC103DSP2ADSP-21161NIC611IC801PLDEPM3128ATC144-10PCM1738EDSP1D/A CONVERTERiLINK_256fs/64fs/fsiLINK_256fs/64fs/fsPCM1738EIC901IC203IC303IC403LC89057WLC8

28、9057WIC600DIR/DITLC89057WIC625PCM1738EPCM1738EA/D CONVERTERDIRDIRDIR/DITIC650IC675LC89057W1222223* fs is a sampling frequency of input digital signal. e.g.: sampling frequency 48kHzfs=48kHz* 64fs and 256fs are 64or 256 times the sampling fequency respectively. e.g.: sampling frequency 48kHz 64fs: 48

29、kHzX64=3.072MHz 256fs: 48kHzX256=12.288MHz* The sampling frequency for analog input is fixed to 48kHz internally.* (No.) indicates the pin number of individual IC.* The arrow indicates the direction of signal flow, as the input terminal pointed by the arrowhead and the output terminal by the opposit

30、e.AVR5803_Block_for pdf.p6502/04/10, 9:57Page 6-7Adobe PageMaker 6.5J/Win10AVR-5803/AVC-A1SR10Wave Form (fs=48kHz)CH11CH1 DATACH2 fsCH3 64fs2CH1 64fsCH2 fsCH3 256fsCH4FRONT DATA3DIGITAL INA/D INA/DDSP1 DSP2GICATTMUTEMUTEMUTED/ALL+R+RDVDTO RECOUTFROM RchTOSWchFROMCENTER chFROMCENTER ch(282mV)TO SW ch

31、When FL+FR Input(FL ch only: 6dB down)3dB1dBTO ZONE1INPUTBUFF. AMPANALOGSW AMPDIFF.AMPDIFF.AMPTONEAMPBUFF.AMPBUFF.AMPBUFF.AMPREV.AMPBUFF.AMPBUFF. &L.P .FBUFF. &H. P . FE. VOL &PRE AMPPOWERAMPH/P AMPPRE OUT BUFF. AMPA/D INREV. AMPI/VEXT. INVOLCDEXT.IN1EXT.IN250dB40dB30dB20dB10dB0dBFS (2Vpp)D/A (diffe

32、rencial each terminal)A/D (differencial each terminal)Config. 1: SW - YesConfig. 2: SW - No(0+5)5dB EXT IN17dB(12+5)DIGITAL IN 32dBFSDolby Standard Limit (3dB)Max. Output LevelA/D IN 34dBFSA/D10dBFS11dB20dBFS30dBFS0dB(200mV)10dB20dB0dBFS(1.12V)10dBFS3dB(10.6V)(7.96V)5dB (13-18)16.5dB16.5dB16.4dBPRE

33、OUT150mV(2.5dB)H/P OUT(8.7dB)(73mV/8)SP OUT4.23V(2.23W/8)22.6dB(6.5+6)0.5dB3dB2dB Adjusted with VRwhen A/D IN20dBFS30dBFS40dBFS22dBFSSP OUTH/P OUTPRE OUTConfig. 1Config. 2LEVEL DIAGRAMS (1/5)FRONT ch1143215678DCBAEAVR-5803/AVC-A1SRAVR5803_Level.p6502/04/02, 11:39Page 6-7Adobe PageMaker 6.5J/Win12432

34、1WIRING DIAGRAMS (2/5)5678DCBAEAVR-5803/AVC-A1SRA/DDSP1 DSP2GICATTMUTEMUTEMUTED/ALL+R+RTO FRONT L/RINPUTBUFF. AMPDIFF.AMPDIFF.AMPTONEAMPBUFF.AMPGAINADJUSTREV.AMPBUFF.AMPPOWER AMPE. VOL &PRE AMPA/D INREV. AMPI/VEXT. INVOLEXT.IN1EXT.IN250dB40dB30dB20dB10dB0dBFS (2Vpp)A/D (differencial input each termi

35、nal)D/A (differencial output each terminal)2dBHEADROOMarranged5dBDIGITAL INMax. Output LevelA/D IN 22dBA/D10dBFSEXT INEXT IN11dB20dBFS30dBFS0dB(200mV)10dB20dB0dBFS10dBFS3dB(2.83Vrms)5dB16.5dB16.5dB29dBPRE OUT150mVSP OUT4.23V(2.23W/8)0.5dB(6.5+6)3dB2dB Adjusted with VRwhen A/D IN20dBFS30dBFS40dBFSSP

36、OUTPRE OUTFROMANALOG LTOSWchPRE OUT BUFF. AMPCENTER chAVR5803_Level.p6502/04/02, 11:40Page 8-9Adobe PageMaker 6.5J/Win134321WIRING DIAGRAMS (3/5)5678DCBAEAVR-5803/AVC-A1SRA/DDSP1 DSP2GICATTMUTEMUTEMUTED/ALL+R+RINPUTBUFF. AMPDIFF.AMPDIFF.AMPTONEAMPBUFF.AMPGAINADJUSTREV.AMPBUFF.AMPE. VOL &PRE AMPPOWER

37、 AMPPRE OUT BUFF. AMPA/D INREV. AMPI/VEXT. INVOLEXT.IN1EXT.IN250dB40dB30dB20dB10dB0dBFSA/D (differencial input each terminal)D/A (differencial outputeach terminal)2dBHEADROOMarranged5dB5dB3dB9dBConfig. 1Config. 2Max. Output LevelA/D10dBEXT INEXT IN11dB20dBFS30dBFS0dB(200mV)10dB20dB0dBFS10dBFS3dB(7.9

38、6Vrms)5dB16.5dB16.5dB29dBPRE OUT150mVSP OUT4.23V(2.23W/8)0.5dB(6.5+6)3dB2dB Adjusted with VRwhen A/D IN20dBFS30dBFS40dBFSSP OUTPRE OUTFROMANALOG L/RConfig. 1 23dB (A/D IN 25dB)Config. 2 29dB (A/D IN 31dB)SURROUND chAVR5803_Level.p6502/04/02, 11:41Page 10-11Adobe PageMaker 6.5J/Win144321WIRING DIAGRA

39、MS (4/5)5678DCBAEAVR-5803/AVC-A1SRFROMFLchA/DDSP1 DSP2GICATTMUTEMUTETO ZONE 2(AVR MODEL ONLY)MUTEAVRMODELONLYD/ALL+R+RINPUTBUFF. AMPDIFF.AMPDIFF.AMPTONEAMPBUFF.AMPGAINADJUSTREV.AMPBUFF.AMPE. VOL &PRE AMPPOWER AMPPRE OUT BUFF. AMPA/D INREV. AMPI/VEXT. INVOLEXT.IN1EXT.IN2ZONE 250dB40dB30dB20dB10dB0dBF

40、S (2Vpp)A/D (differencial input each terminal)D/A (differencial outputeach terminal)5dBDIGITAL IN 23dBFSSB: When 2 Speaker UsedMax. Output LevelA/D IN 25dBFSA/D10dBFSEXT INEXT IN11dB20dBFS30dBFS0dB(200mV)10dB20dB0dBFS10dBFS3dB(2.83Vrms)5dB0.5dB(6.5 + 6)0.5dB29dBD/A OUTSPOUTPREOUT150mV106mV(D/A OUT)4

41、.23V(2.23W/8)2.99V(1.12W/8)3dB2dB Adjustedwith VR when A/D IN20dBFS30dBFS40dBFSSP OUTPRE OUTFROMANALOG L/RTOSRchSURROUND BACK chAVR5803_Level.p6502/04/02, 11:44Page 12-13Adobe PageMaker 6.5J/Win154321WIRING DIAGRAMS (5/5)5678DCBAEAVR-5803/AVC-A1SRA/DDSP1 DSP2GICATTMUTED/ALL+R+RINPUTBUFF. AMPDIFF.AMP

42、DIFF.AMPTONEAMPBUFF.AMPGAINADJUSTREV.AMPBUFF.AMPE. VOL &PRE AMPA/D INREV. AMPI/VEXT. INVOLEXT.IN1EXT.IN250dB40dB30dB20dB10dB0dBFSA/D (differencial input each terminal)D/A (differencial outputeach terminal)8.5dB(2.5+6)DIGITAL INWhen LFE 30dBFSMax. Output LevelWhen F/L+F/R Both-ch InputA/D IN 22dBA/D

43、IN10dBFSANALOG SWEXT IN11dB20dBFS30dBFS35dBFS40dBFS0dB(200mV)10dB15dB(35.6mV)20dB0dBFS10dBFSEXT INEXT IN VOL Adjust ValueSetting0dB+5dB+10dB+15dB (Default)Except EXT IN Path5dB0dB+5dB+10dBThrough EXT IN A/D15dB10dB5dB0dB9.5dB(8.93Vrms)5dB5dB(10dB adjusted)16.5dB16.5dB150mV300mV7.5dB(1.5+6)2dB Adjust

44、ed with VR when A/D IN3dB20dBFS30dBFS40dBFS38dBFSPRE OUTFROMANALOG RANALOG SWMUTEPRE OUTTOCENTERchPRE OUTBUFF. AMPSW chAVR5803_Level.p6502/04/02, 11:45Page 14-15Adobe PageMaker 6.5J/Win16AVR-5803/AVC-A1SRADJUSTMENTTuner Section (AVR-5803 only)CONNECTION DIAGRAM OF MEASURING INSTRUMENTS? FM? AM75ohmF

45、MSSGSTEREOMODULATORIC303T302VR301VR3021U-3298 TUNER UNITDIGITALVOLTMETER9 pin20 pinGNDAMAM IFOUTOSCILLOSCOPEIC303T3041U-3298 TUNER UNIT12 pin17AVR-5803/AVC-A1SRFM/MPX ALIGNMENTInputStepAlignmentItemTuningFrequencySettingTypeFrequencyInput Level1Tuning Center98.1 MHzFM SSG98.1 MHz60 dB?2Separation98.

46、1 MHzFM SSG98.1 MHz60 dB?3Signal Level98.1 MHzFM SSG98.1 MHz20 dB?AM ALIGNMENTStepAlignmentItemFrequencyInput1IF?IF SWEEP(Input level is not over to work A.G.C.)OutputAdjustModulationCouplingTypeConnect toPointsAdjust toRemarksNoneAntennaTerminalDigitalVoltmeterIC3039 , 20 pinT302? 50mVFunction : FM

47、Mode : AutoStereo (L)1kHz 100%AntennaTerminalACVoltmeterAUDIOOUTTerminal (R)VR302MaximumSeparation?OffAntennaTerminal?VR301Light“TUNED”FLDCharacter?OutputAdjustmentTypeConnect toPointsAdjust toRemarksOscilloscopeIC303 12PinT304Maximum height and bestsymmetry curve18AVR-5803/AVC-A1SRAudio SectionIdli

48、ng Current (1U-3296-1, 2)Required measurement equipment : DC VoltmeterPreparation(1)Avoid direct blow from an air conditioner or an electric fan, and adjust the unit at normal room tempereture 15 C 30C (59 F 86 F).(2)PresettingG POWER (Power sourse switch)OFFG SPEAKER (Speaker terminal)No load (Do n

49、ot connect speaker, dummy resistor, etc.)Adjustment(1)Remove top cover and set VR131, VR231, VR331 on 1U-3296-1 (Power Amp. L unit), VR132, VR232, VR332,VR432 on 1U-3296-2 (Power Amp. R unit) at full counterclockwise ( ) position.(2)Connect DC Voltmeter to test points (FRONT-Lch: TP101, FRONT-Rch: T

50、P102, CENTER ch: TP402, SURROUND-Lch: TP201, SURROUND-Rch: TP202, SURROUND BACK-Lch: TP301, SURROUND BACK-Rch: TP302).(3)Connect power cord to AC Line, and turn power switch ON.(4)Presetting.MASTER VOLUME : - counterclockwise ( min.)MODE: 5CH/7CH STEREOFUNCTION: CD(5)Within 2 minutes after the power