Denon-AVC3890US-avr-sm维修电路原理图.pdf

《Denon-AVC3890US-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-AVC3890US-avr-sm维修电路原理图.pdf（121页珍藏版）》请在收音机爱好者资料库上搜索。

1、SERVICE MANUALMODEL AVR-3805 AVC-3890AV SURROUND RECEIVER / AMPLIFIER16-11, YUSHIMA 3-CHOME, BUNKYO-KU, TOKYO 113-0034 JAPAN X0197V.02 DE/CDM 0403For U.S.A. & Canada model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。Please use this service manual with referring to the ope

2、rating instructions without fail.Some illustrations using in this service manual are slightly different from the actual set.修理際、必取扱説明書参照上、作業行。本文中使用、説明都合上現物多少異場合。補修用性能部品保有期間、製造打切後8年。注意For purposes of improvement, specifications anddesign are subject to change without notice.RadioFans.CN 收音机爱 好者资料库22A

3、VR3805 / AVC-3890SAFETY 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 chec

4、k. 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-3805 / AVC-3890WIRE ARRANGEMENT 整形図If wire bundles are untied or moved to perform adjust

5、ment orparts replacement etc.,be sure to rearrange them neatly asthey were originally bundled or placed afterward.Otherwise, incorrect arrangement can be a cause of noisegeneration.Wire arrangement viewed from the top44AVR-3805 / AVC-3890CAUTION IN SERVICING Initializing AV SURROUND RECEIVERInitiali

6、zing AV SURROUND RECEIVERAV SURROUND RECEIVER initialization should be performed when the mcom, peripheral parts of mcom, and DSP P.W.B. are replaced.1.Switch off the unit .2.Hold the following PURE DIRECT button and DI-RECT button, and switch on the unit.3.Check that the entire display is flashing

7、with aninterval of about 1 second, and release your fingersfrom the 2 buttons and the microprocessor will be initializedNote: Note: If step 3 does not work, start over from step 1. Alluser settings will be lost and this factorysetting will be recovered when this initialization mode. So make sure to

8、memorize your setting for restoring after the initialization.時注意事項 AV 初期化 AV 初期化周辺部品、DSP 基板等交換場合、AV 初期化行下。1. OFF 。2.PURE DIRECT DIRECT 同時押、押 ON 。3. 表示約 1 秒間隔点滅確認後、2 指離。初期化。注意 :注意 :上記 3 状態場合、一度操作 1 直。 初期化行客様設定内容工場出荷 状態戻、設定内容 控初期化後再設定。55AVR-3805 / AVC-3890ADJUSTMENT 調整Audio SectionIdling Current (1U-3

9、469-1)Required measurement equipment: DC VoltmeterPreparation(1) Avoid direct blow from an air conditioner or an electricfan, and adjust the unit at normal room tempereture 15C 30 C (59 F 86 F).(2) Presetting?POWER (Power sourse switch)OFF?SPEAKER (Speaker terminal)No load(Do not connect speaker, du

10、mmy resistor, etc.)Adjustment(1) Remove top cover and set VR101, VR102, VR201,VR301, VR302, VR401, VR402, on 1U-3469-1 (PowerUnit) at fully counterclockwise ( ).(2) Connect DC Voltmeter to test points (FRONT-Lch:TP30112 pin, FRONT-Rch: TP101 56 pin,CENTER ch: TP301 34 pin, SURROUND-Lch: TP10134 pin,

11、 SURROUND-Rch: TP101 12 pin,SURROUND BACK-Lch: TP301 78 pin, SURROUNDBACK-Rch: TP301 56 pin).(3) Connect power cord to AC Line, and turn power switchON.(4) Presetting.MASTER VOLUME : - counterclockwise ( min.)MODE: 7CH STEREOFUNCTION: CD(5) Allow 2 minutes, and turn VR101 clockwise ( ) toadjust the

12、TEST POINT voltage to 6.5 mV 0.5 mV DC.(6) After 10 minutes from preset, turn VR101 to set thevoltage to 8 mV 0.5 mV DC.(7) Adjust the Variable Resistors of other channels in thesame way.(8) After 5 minutes from (6), turn VR101 to set the voltage to8 mV 0.5 mV DC.(9) Adjust the Variable Resistors of

13、 other channels in thesame way. (1U-3469-1):DC Voltmeter(1)1530(2)?OFF?()(1)1U-3469-1VR101, VR102, VR201, VR301, VR302, VR401, VR402 ()(2) (FRONT-Lch: TP301 12 pin, FRONT-Rch: TP101 56 pin, CENTER ch: TP301 34 pin,SURROUND-Lch: TP101 34 pin, SURROUND-Rch:TP10112 pin, SURROUND BACK-Lch: TP301 78pin,

14、SURROUND BACK-Rch: TP301 56 pin) DCVoltmeter(3)AC100V95105VON(4) ON? MASTER VOLUME()? SPEAKERMODE : 7CH STEREOFUNCTION : CD(5) 2VR101 ()6.5mV 0.5mV DC(6)10VR1018mV 0.5mV DC(7)(8) (6)5VR1018mV 0.5mV DC(9)66AVR-3805 / AVC-3890DC VoltmeterFL chC chSBR chSBL ch VR402VR401SBR chSBL chVR102FR chVR101FL ch

15、VR201SR chSL chFR chC chVR301SL chVR302SR chTP301TP101Audio Section77AVR-3805 / AVC-3890Video SectionComponent Video Level AdjustmentRequired measurement equipment etc: Oscilloscope, DVDVIDEO PLAYER (ex: DVD-1500)Test Disc: DVD T-S01Preparation(1) Avoid direct blow from an air conditioner or an elec

16、tricfan, and adjust the unit at normal room temperature 15C 30 C (59 F 86 F).(2) Playback the color-bar 75% of the Test Disc (Title 12)using the DVD Video Player, and check that Y and Clevels of the S terminal output are within the specifiedoutput levels.If they are out of the specified levels, adju

17、st with thevariable resister inside of the unit.(3) Presetting?POWER (Power source switch)OFF?SPEAKER (Speaker terminal)No load(Do not connect speaker, dummy resistor, etc.)?DVD (Video terminal)No inputAdjustment(1) Remove top cover and set VR101, VR102, VR103 on1U-3475-1 (Convert Unit) at fully cou

18、nterclockwise ( ).(2) Connect a pin-plug terminated with 75-ohms to Y(Cb,Cr) of the Component Video Monitor Output, and hookup the Oscilloscopes probe to both ends of the pin-plug.(3) Connect S terminal output of the DVD Player with theDVD input terminal of the Receiver.(4) Connect power cord to AC

19、Line, and turn power switchON.(5) Presetting?FUNCTION:DVD?Playback the color-bar 75% of the Test Disc (Title 12)(6) Turn VR101 clockwise ( ) to adjust theCOMPONENT VideoY voltage (except H.Sync) to 71450 mVp-p. (Refer to Fig.1)(7) Adjust the Variable Resistors of Cb: VR102 and Cr:VR103 in the same w

20、ay. (Refer to Fig. 2, 3)Cb,Cr: 48650 mVp-p. (U.S.A. & Canada model)52550 mVp-p. (Others):Oscilloscope, DVD VIDEO PLAYER(: DVD-1500):DVD T-S01(1)1530(2) DVD VIDEO PLAYER75(Title12)SYC(3)?OFF?()?DVD(1)1U-3475-1VR101, VR102, VR103 ()(2)Y(Cb, Cr)75Oscilloscope(3) DVD VIDEO PLAYERSDVD(4)ON(5) ON?FUNCTION

21、DVD?75(Title12)(6) VR101 ()Y(H.Sync)(Fig.1)714mV 50mVp-p(7)Cb: VR102 Cr: VR103(Fig.23)Cb,Cr: 52550 mVp-p.88AVR-3805 / AVC-3890VR102VR101VR103CrCbOscilloscopeComponent Video YVideo Section99AVR-3805 / AVC-389071450mVp-pVoltsIRE:FLTY-Signal-20.0-10.00.010.020.030.00.50.0100.00.540.050.060.048650mV (U.

22、S.A. & Canada model) p-p52550mV (Others)p-pVoltsIRE:FLT0.020.040.0-0.5-50.050.00.00.50.060.080.048650mV (U.S.A. & Canada model) p-p52550mV (Others)p-pVoltsIRE:FLT0.020.040.0-0.5-50.050.00.00.50.060.080.0Fig.1 Component Video Y signalFig.2 Cb signalFig.3 Cr signal1010AVR-3805 / AVC-3890AUDIO BLOCK DI

23、AGRAMRECOUTINPUTDENON LINK (3rd EDITION)COAX1OPT1?DL SL/SRDL C/SWDL FL/FRDSPD/APCM1791AD/APCM1791AMUTEMUTEPLDADSP-21266EPM3032AD/APCM1791AD/APCM1791AMUTEMUTEMUTEMUTEMUTEMUTEFLCSBRSLFRSWSRSBLSL/FLDSD_SLFR/SRDSD_FRSBL/CDSD_SBLSW/SBRDSD_SWPCM_SL/FLDSD_SLPCM_FR/SRDSD_FRPCM_SBL/CDSD_SBLPCM_SW/SBRDSD_SWA/

24、DPCM1804?ADDATA8chEXT.INMUTMUTMUTMUTMUTMUTMUTFRSWSLSRSBL/ZONE3LZONE2LZONE2RFLCSBR/ZONE3RINPUTPHONOCDDVDVDPTVDBSV-AUXVCR-1VCR-2CDRFRSWSLSRSBLFLCSBRMUTMUTMUTMUTMUTMUTMUT?FRSL-ASR-ASBL/ZONE3LZONE3RFLCSBR/?SL-BSR-BRECOUTVCR-1VCR-2CDRRchAUDIOSELECTCOAX2OPT2OPT3OPT4OPT5OPT6INPUTSELECTRECSELECTFLCSBRSLFRSW

25、SRSBLE.Vol TC94A32FG?EQEXT-SBREXT-SBLEXT-SLEXT-FLEXT-FREXT-SREXT-CEXT-SWFLSLFRSRSBLCSBRSWFLlargFLsmalFRlargFRsmaZONE3LZONE3RLC89057W-VF4-ELC89057W-VF4-ELC89057W-VF4-ETC9459FSIGNAL SELECTORTC9274N-017MUTMUTMUTH/PH/P LH/P RMICMICV-AUXZONE1ZONE2ZONE3ZONE2LZONE2RTC94A46FGDSD_SRDSD_CDSD_SBRDSD_FLDSD_SBRD

26、SD_CDSD_SRDSD_FLLINEOUTZONE3LZONE3RMUTMUTTUNERTUNERH/POUTSPOUTPREOUTExceptJapanmodelLchAUDIOSELECT?Japanmodel1111AVR-3805 / AVC-3890BLOCK DIAGRAM1212AVR-3805 / AVC-3890LEVEL DIAGRAMS (1/6)FRONT CH?INPUTBUFFAMA/DPCM1804D/APCM1791ADSPD/A OUTMUTEE.VOLTC94A32FLINE INEXT INANALOGATTPREOUTH/POUT+20dB+10dB

27、0dB-20dB-30dB-40dB-10dB+20dB+10dB 0dB-20dB-30dB-40dB-10dBLINE IN/EXT IN-10dBFS 0dBFS-20dBFS-30dBFS-40dBFSA/D IN141.9mVrmsINPUT DIFFERENTIAL+/-:70.9mVrmsPCM1804PREOUT150mVrmsH/POUT69mVrms/8ohmA/D INPUTREV.AMPSTEREOHPFPOWERAMP-9dB-0.7dB+29dB-35dB 0dBFS-10dBFS-20dBFS-30dBFS?SW YES-20dBFS(DIG.IN)-22dBFS

28、(A/D IN)SW NO-32dBFS(DIG.IN)PCM1791200mVDIRDIGITAL INFGAISPOUTPREOUTMUTESPOUTMUTEANALOGATT+30dB-2.5dBTONEAMPPREAMPGAINADJ.AMD/AOUTPUTFILTERAMP-0.5dB+12dB+11dB+3.5dB-26dBFS(DSD IN)SPOUT1.87W/8ohm3.87VDENONLINK Dolby DTS AAC PCM(2ch) MLP DSD2ch DSDMch DSDPCM A/DINSW YES -20dBFS -20dBFS -20dBFS-20dBFS

29、-20dBFS -26dBFS -20dBFS -22dBFSSW NO -32dBFS -32dBFS -32dBFS -32dBFS -32dBFS -26dBFS -32dBFS -Dolby,DTS,AAC,PCMDolby,DTS,PCM、MLP,DSD( 0.88Vrms)(0.58Vrms)Vol.:0dB1313AVR-3805 / AVC-3890LEVEL DIAGRAMS (2/6)CENTER CHD/ADSPD/A OUTMUTEEXT IN+20dB+10dB0dB-20dB-30dB-40dB-10dBEXT IN 0dBFS-10dBFS-20dBFS-30dB

30、FS-40dBFSPCM1791200mV-20dBFS(DIG.IN)-22dBFS(A/D IN)E.VOLTC94A32FPREOUTPOWERAMPSPOUTPREOUTMUTESPOUTMUTEANALOGATTPREAMP+20dB+10dB 0dB-20dB-30dB-40dB-10dBPREOUT150mVrms-0.7dB+29dB+30dB-2.5dB+11dBD/AOUTPUTFILTERAMPDIGITAL INDIR+3.5dB-26dBFS(DSD IN)DENONLINKSPOUT1.87W/8ohm3.87V Dolby DTS AAC PCM(2ch) MLP

31、 DSD DSDPCM A/DIN -20dBFS -20dBFS -20dBFS -20dBFS -20dBFS-26dBFS 20dBFS -22dBFS-0.5dB(0.58Vrms)Vol.:0dB1414AVR-3805 / AVC-3890LEVEL DIAGRAMS (3/6)SUBWOOFER CHD/ADSPD/A OUTMUTEEXT INE.VOLTC94A32FPREOUTPREOUTMUTEPREAMPD/AOUTPUTFILTERAMPDIGITAL INDIR+20dB+10dB0dB-20dB-30dB-40dB-10dBEXT IN 0dBFS-10dBFS-

32、20dBFS-30dBFS-40dBFSPCM1791200mV-38dBFS(DIG.IN)-40dBFS(A/D IN)+20dB+10dB0dB-20dB-30dB-40dB-10dBPREOUT150mVrms+2.5dB+12.5d+(11+13)dB-9.5dB-26dBFS(DSD IN)DENONLINK Dolby DTS AAC PCM(2ch) MLP DSD DSDPCM A/DIN -38dBFS -38dBFS -38dBFS -38dBFS -38dBFS -26dBFS -38dBFS -40dBFS+4.5dB(0.58Vrms)Vol.:0dB1515AVR

33、-3805 / AVC-3890LEVEL DIAGRAMS (4/6)SURROUND CHD/ADSPD/A OUTMUTEEXT IN+20dB+10dB0dB-20dB-30dB-40dB-10dBEXT IN 0dBFS-10dBFS-20dBFS-30dBFS-40dBFSPCM1791200mV-23dBFS(DIG.IN)-25dBFS(A/D IN)E.VOLTC94A32FPREOUTPOWERAMPSPOUTPREOUTMUTESPOUTMUTEANALOGATTPREAMP+20dB+10dB0dB-20dB-30dB-40dB-10dBPREOUT150mVrms-0

34、.7dB+29dB+30dB-2.5dB+(11+3)dD/AOUTPUTFILTERAMPDIGITAL INDIR+0.5dB-26dBFS(DSD IN)DENONLINKSPOUT1.87W/8ohm3.87V Dolby DTS AAC PCM(2ch) MLP DSD DSDPCM A/DIN -23dBFS -23dBFS-23dBFS -23dBFS -23dBFS -26dBFS -23dBFS -25dBFS-0.5dB(0.58Vrms)Vol.:0dB1616AVR-3805 / AVC-3890LEVEL DIAGRAMS (5/6)SURROUND BACK CHD

35、/ADSPD/A OUTMUTEEXT IN+20dB+10dB0dB-20dB-30dB-40dB-10dBEXT IN 0dBFS-10dBFS-20dBFS-30dBFS-40dBFSPCM1791200mVE.VOLTC94A32FPREOUTPOWERAMPSPOUTPREOUTMUTESPOUTMUTEANALOGATTPREAMP+20dB+10dB0dB-20dB-30dB-40dB-10dBPREOUT-0.7dB+29dB+30dB-2.5dB+11dBD/AOUTPUTFILTERAMPDIGITAL INDIR-0.7dB+29dB-2.5dBZONE2DENONLIN

36、KSPOUT1.87W/8ohm 3.87V Dolby DTS AAC PCM(2ch) MLP DSDPCM A/DIN -23dBFS -23dBFS -23dBFS -23dBFS -23dBFS -23dBFS -25dBFS-0.5dB-23dBFS(DIG.IN)-25dBFS(A/D IN)PREOUT(D/Aout)SPOUT (D/Aout)0.94W/8ohm 2.74V(0.58Vrms)Vol.:0dB1717AVR-3805 / AVC-3890LEVEL DIAGRAMS (6/6)ZONE2 & ZONE3LINE INZONE2PREOUTPREOUTMUTE

37、E.VOLTC9459F+15.5dBE.VOLTC94A32FZONE3PREOUTPOWERAMPZONE3SPOUTPREOUTMUTESPOUTMUTEANALOGATTPREAMP+20dB+10dB0dB-20dB-30dB-40dB-10dBLINE IN200mV+20dB+10dB0dB-20dB-30dB-40dB-10dBPREOUT150mVrms-0.7dB+29dB+30dB-2.5dB-18dBSORROUND BACKSPOUT1.87W/8ohm3.87VPOWER AMP ASSIGN ON:ZONE3 OFF:SBchZONE3ZONE3ZONE3.Vol

38、ZONE2.VolZONE2ZONE3LINEOULINEOUTZONE1LINEOUT200mVrmsVol.:0dB1818AVR-3805 / AVC-3890CLOCK FLOW & WAVE FORM IN DIGITAL BLOCKWave formCH1: D-DATA(IC510 (5) )1CH1: DATACH2: fsCH3: 64fsCH4: 256fs3CH1: DATACH2: fsCH3: 64fs2INPUTDlinkRMCK(16)(87)256fsDIRPCMDSD(4)RX2FDATADSP(69)(F14)DAIP20_SFS45(1)LRCK DATA

39、_RFDATADIR(21)(58)FDATADIRCDATADSP(46)(G14)DAIP19_SCLK45(2)BCKGND(8)RX4SDATADSP(47)(H13)DAIP18_SD5B(3)DATA DATA_LSBCK(22)(83)SBCK(5)SCKBCKSLRCK(23)(57)SLRCK64fsDSP(52)(P13)DAIP9_SD2ARBCK(17)(8)64fsDIR1fsDSP(13)(N14)DAIP10_SD2BCOAXIAL1(3)RLRCK(20)(10)fsDIR164fsDSPOUT(44)(M13)DAIP12_SD3BCOAXIAL2(2)XIN

40、(29)fsDSPOUT(25)(P14)DAIP11_SD3AOPTICAL1(12)ADIN(24)SL/FL(71)(J14)DAIP16_SD4BPCMDSDOPTICAL2(13)(5)FR/SR(60)(K14)DAIP15_SD4A(1)LRCK DATA_ROPTICAL3(14)SBL/C(84)(L14)DAIP14_SFS23(2)BCKGNDOPTICAL4(15)SW/SBR(19)(M14)DAIP13_SCLK23(3)DATA DATA_LOPTICAL5(1)I/O3_SL(96)(P08)DAIP3_SCLK0(5)SCKBCK(4)RX2I/O4_SR(2

41、0)(N10)DAIP4_SFS0CDATADIR(21)(97)CDATADIRRBCK(17)RLRCK(20)PCMSL_FL/DSD_SL(64)XIN(29)PCMFR_SR/DSD_FR(68)PCMDSD(3)PCMSBL_C/DSD_SBL(63)(1)LRCK DATA_R(2)PCMSW_SBR/DSD_SW(67)(2)BCKGND(12)fs/DSD_FL(29)(3)DATA DATA_L(13)(5)fs/DSD_SR(31)(5)SCKBCK(14)(4)RX2fs/DSD_C(36)(15)SDATADIR(21)(23)SDATADIRfs/DSD_SBR(3

42、5)(1)RBCK(17)(6)64fsDIR2256/64fs1(45)OUTPUTRLRCK(20)(14)fsDIR2256/64fs2(41)XIN(29)(32)256fsAD64fs/GND1(42)PCMDSDOPTICAL3(48)TXO(9)64fsAD64fs/GND2(40)(1)LRCK DATA_ROPTICAL4TMCK(44)(48)256fsDITCLK IN(18)(2)BCKGNDTBCK(45)(3)DATA DATA_LTLRCK(46)24.576MHz(5)SCKBCKIC817FXCO-03(3)25.000MHzDATA(15)IC311BCK(

43、16)FXCO-03LRCK(17)(3)SYSCK(18)IC807SN74HC151APWPLDIC828EPM3128ATC100-10LC89057W-VF4-EINPUTSELECTOROUTPUTSELECTORIC806SN74HC151APWPCM1804LC89057W-VF4-EDIRIC815LC89057W-VF4-EIC816IC816DSPIC312ADSP-21266SKBCZ-XD/A CONVERTERIC523PCM1791AIC524PCM1791AIC525PCM1791AIC526PCM1791AA/D CONVERTERIC519DIT?123191

44、9AVR-3805 / AVC-3890CHECK WITH TEST MODEDSP1.:():DIMMER(S11), SURROUND BACK(S14)2ACSTATUSFL Display2.DSP3.12341 SUBNGSUB2 DIRNGDIR3 DSPNGDSPDSPBUSYLDSPBUSYLDSPWRITE=LACK=HDSPREQ=LACK=LDSPWRITE=HACK=HDSPREQ=LACK=LDSPDSPBUSYLDSPBUSYLDSPBUSYL4 SUB/DSPOK com/DSP Error Display Mode1. Operation Spec com v

45、ersion display mode:When the following conditions are satisfied at its starting state, error information is displayed before version information.Starting method (same as com version display):While pressing 2 buttons, DIMMER (S11) and SURROUND BACK (S14), plug the AC cord to the wall outlet.Then, pre

46、ss STATUS button to display the following information on the FL Display.2. Display OrderError information Main-com version information Sub-com version information DSP version information3. DisplayAny one of the following list is displayed, in the priority of 1234.ConditionStateDisplay1 Sub-com NGNo

47、response from Sub-com2 DIR NGNo response from DIR3 DSP NGWhen DSP boot, executing DSP resetmakes no change to BUSY port L.No change to BUSY port L before issuing DSP command.When DSP data read, executing WRITE=Lmakes no change to ACK=H.When DSP data read, executing REQ=Lmakes no change to ACK=L.When

48、 DSP data write, executing WRITE=Hmakes no change to ACK=H.When DSP data write, executing REQ=L makes no change to ACK=L.When DSP special code boot, executing DSP resetmakes no change to BUSY port L.No change to BUSY port L before issuingDSP special read command.No change to BUSY port L before DSP v

49、ersion read.4 Both SUB/DSP OK(No error display, version display only)2020AVR-3805 / AVC-3890SEMICONDUCTORSOnly major semiconductors are shown, general semiconductors etc. are omitted to list.主半導体記載。汎用半導体記載省略。? ? ? ? ? ICsNote: Abbreviation ahead of IC No. indicates the name of P.W.B., etc.):IC No.PO

50、: Power P.W.B.AD: Audio/Digital P.W.B.CV: Connect/Video P.W.B.DS: DSP P.W.B.CO: Control P.W.B.VI : Video Convert P.W.B.AC: Amp Connect P.W.B.M30624MGA Terminal FunctionPinNo.Pin NameFunctionI/O1303150100815180TOP VIEWM30624MGA (CO: IC506)1P96/SOUT4 PLRDS DATAOCZO/LO/LPLL & RDS control pin (LC72131 &