Denon-AVR789-avr-sch维修电路原理图.pdf

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1、32AVR-1909/789, AVC-1909BLOCK DIAGRAMAUDIO BLOCK DIAGRAM RadioFans.CN 收音机爱 好者资料库33AVR-1909/789, AVC-1909VIDEO BLOCK DIAGRAM ?IC2016RECOUTBUFFER/INHDAC DDAC EDAC FDAC BDAC CVIDEO CONVERT BLOCKCOMPONENT OUTD CONTROL OUT(JAPAN ONLY)COMPONENT/D IND CONTROL IN(JAPAN ONLY)AVR-1909 VIDEO BLOCK DIAGRAMIC101

2、8FILTERinternalVIDEODRIVERBH7868FS6dBINPUT:1Vpp6dB6dB6dB70? ? ? ? ? ? ? ? ?DIGITAL VIDEOHDMI? ? ? ? ? ? ?1000u? ? ? ?To DSPIC2027,IC2026INPUTSELECTOR6dB6dB6dB75?LOAD? ? ? ? ? ? ?75?LOAD75?LOAD? ? ? ? ?COMPONENTSIGNAL DET.IC2021NJM25816dB6dB? ? ? ? ?6dB? ? ?IC2023INPUTSELECTORNJW1321IC1020VIDEODECODE

3、RADV740170?IC1019VIDEOENCODERADV717270?CVBS OUTS MONI.DET.6dBSYNC. DET.IC2017OSDOSD BLOCK0dB0dB0dB0dB0dBINPUT:2VppINPUT:2Vpp70? ? ? ? ? ? ? ? ? ? ?S-VIDEOSIGNAL DET.S(Y/C) IN6dB6dB6dB6dB? ? ? ? ?S(Y/C) RECOUT INPUT MUTE? ? ?INPUT MUTEIC2016RECOUTBUFFER/INH0dB0dB? ? ? ? ?SIGNAL DET.CVBS INCVBS RECOUT

4、6dBINPUT MUTEINPUT MUTECONPOSITE6dB? ? ? ? ?INPUT:0 82VppIC1009TRANSMITTERSiI9134S(Y/C) OUT6dB6dBTo DIRI2sSPDIFLINE3DC GENERATOR6dB6dB6dB75?LOAD75?LOAD75?LOAD? ? ? ? ? ? ? ? ? ? ? ? ?6dB7 7dBINPUT:1 0VppINPUT:1 0VppINPUT:0 286VpINPUT:0 7VppINPUT:0 7Vpp75?LOADIC2002/IC2003INPUTSELECTOR75?LOADIC2009/2

5、010RECSELECTORINTERNALGAIN:0dBINPUTSELECTORRECSELECTOR75?LOADIC2004IC2011IC2001IC2001IC2008IC2007IC2007IC2018IC2013IC2008IC2014IC2016IC2016IC20156dB6dB6dB6dBPS/HD:YCBCR4:2:216bitSD:ITU-R656 8bit?75?LOAD75?LOAD75?LOAD75?LOAD75?LOAD75?LOADAtoH CONVERT specification1.480i?480i/480p/1080i60Hz/720p60Hz/1

6、080p60Hz2.576i?576i/576p/1080i50Hz/720p50Hz/1080p50Hz3.480p?1080i60Hz/720p60Hz/1080p60Hz4.576p?1080i50Hz/720p50Hz/1080p50Hz5.1080i60Hz/720p60Hz?1080p60Hz6.1080i50Hz/720p50Hz?1080p50Hz6dB6dB0dB? ?6dB? ? ?IC1011I/P? ?SCALERFLI2310SD:ITU-R656 ONLYPS/HD:YCBCR4:2:2 16bit? ? ? ? ? ?IC2005IC2007IC2012IC200

7、8IC2005HDMI-1HDMI -2HDMI -3IC1002HDMISWSiI9185IC1008RECEIVERSiI9135VideoAudio? ?IC2022NJM2581IC2008?330?LOAD6dB?330?LOAD6dB?330?LOAD6dB?330?LOAD6dBRadioFans.CN 收音机爱 好者资料库34AVR-1909/789, AVC-1909LEVEL DIAGRAMS (1/5)FRONT LEVEL DIAGRAM ?A/D?D/AD/A OUTMUTELINE INEXT INH/POUT+20dB+10dB0dB-20dB-30dB-40dB

8、-10dB+20dB+10dB0dB-20dB-30dB-40dB-10dBLINE IN/EXT IN-10dBFS0dBFS-20dBFS-30dBFS-40dBFSA/D IN79.4mVrms0dBFS0.88VrmsADAU1328RECOUTH/POUT71.0mVrmsAVR-1909LEVEL DIAGRAMFRONT ch-8dB-2dB-35dB-2dB-35dB0dBFS-10dBFS-20dBFS-30dBFS-40dBFS-20dBFS(DIG.IN)PCM or DD Config1-22dBFS(A/D IN)FROM SWch200mVTOSurround Ba

9、ck(ZONE2 MODE)?SPEAKEROUT+30dBSP OUT3.99Vrms/8+28dB+28dBDSPDSPANALOGATTR2A15215FP-2+2=0dB-2+2=0dBRECOUTNON CLICP MAX SIGNAL LEVEL 4 0VrmsNON CLICP MAX SIGNAL LEVEL 4 0VrmsConfig2DOLBY LIMIT LEVEL 1.41 VrmsConfig2DOLBY LIMIT LEVEL 1.41 Vrms (ALLch-3dBFS)(ALLch-3dBFS)+7dB-26.5dBFS(DIG.IN)DD Config2GAI

10、NADJ.-2+6.5=4.5dB-2+6.5=4.5dBSUM FROM SWchSUM FROM SWchConfig1DOLBY LIMIT LEVEL (ALLch-3dBFS)3.876VConfig1DOLBY LIMIT LEVEL (ALLch-3dBFS)3.876VADAU132835AVR-1909/789, AVC-1909LEVEL DIAGRAMS (2/5)CENTER LEVEL DIAGRAM ?D/A OUTMUTEEXT IN+20dB+10dB0dB-20dB-30dB-40dB-10dB+20dB+10dB0dB-20dB-30dB-40dB-10dB

11、LINE IN/EXT IN0dBFS0.88VrmsAVR-1909LEVEL DIAGRAMCENTER ch-2dB-2dB0dBFS-10dBFS-20dBFS-30dBFS-40dBFS-20dBFS(DIG.IN)PCM or DD Config1-22dBFS(A/D IN)200mV?SPEAKEROUT+30dBSP OUT3.99Vrms/8+29dB+29dBR2A15215FP-2+2=0dB-2+2=0dBNON CLICP MAX SIGNAL LEVEL 4.0VrmsNON CLICP MAX SIGNAL LEVEL 4.0VrmsConfig2DOLBY L

12、IMIT LEVEL (ALLch-3dBFS)Config2DOLBY LIMIT LEVEL (ALLch-3dBFS)+7dB-26.5dBFS(DIG.IN)DD Config2GAINADJ.-2+6.5=4.5dB-2+6.5=4.5dBConfig1DOLBY LIMIT LEVEL (ALLch-3dBFS)Config1DOLBY LIMIT LEVEL (ALLch-3dBFS)A/D?D/ADSPDSPADAU132836AVR-1909/789, AVC-1909LEVEL DIAGRAMS (3/5)SUB WOOFER LEVEL DIAGRAM ?A/DADAU1

13、328?D/AADAU1328?D/A OUTMUTEEXT IN+20dB+10dB0dB-20dB-30dB-40dB-10dB+20dB+10dB0dB-20dB-30dB-40dB-10dBLINE IN/EXT IN0dBFS0.88VrmsPREOUT159mVrmsAVR-1909LEVEL DIAGRAMSUBWOOFER ch-2dB-2dB0dBFS-10dBFS-20dBFS-30dBFS-40dBFS200mVPREOUTMUTE+30dBPLDPLDDSPDSPR2A15215FPNON CLICP MAX SIGNAL LEVEL 4 0VrmsNON CLICP

14、MAX SIGNAL LEVEL 4 0VrmsConfig2DOLBY LIMIT LEVEL (ALLch-3dBFS)Config2DOLBY LIMIT LEVEL (ALLch-3dBFS)+7dBGAINADJ.-2+(20-6)=12dB-2+(20-6)=12dBConfig1DOLBY LIMIT LEVEL(ALLch-3dBFS)Config1DOLBY LIMIT LEVEL(ALLch-3dBFS)-50dBFS3.876VSUM to FRONTch3.876VSUM to FRONTch+6dB+3dB-46.5dBFS(DIG.IN)DD Config2-40d

15、BFS(DIG.IN)DD Config1PREOUT317mVrms-34dBFS(PCM.IN)-36dBFS(A/D IN)SUM to FRONT-ch37AVR-1909/789, AVC-1909LEVEL DIAGRAMS (4/5)SURROUND LEVEL DIAGRAM ?D/A OUTMUTEEXT IN+20dB+10dB0dB-20dB-30dB-40dB-10dB+20dB+10dB0dB-20dB-30dB-40dB-10dBLINE IN/EXT IN0dBFS0.88VrmsAVR-1909LEVEL DIAGRAMSURROUND ch-2dB-2dB0d

16、BFS-10dBFS-20dBFS-30dBFS-40dBFS-23dBFS(DIG.IN)PCM or DD Config1-25dBFS(A/D IN)200mV?SPEAKEROUT+30dBSP OUT3.99Vrms/8+28dB+28dBR2A15215FP-2+2=0dB-2+2=0dBNON CLICP MAX SIGNAL LEVEL 4.0VrmsNON CLICP MAX SIGNAL LEVEL 4.0VrmsConfig2DOLBY LIMIT LEVEL 1.41VrmsConfig2DOLBY LIMIT LEVEL 1.41Vrms (ALLch-3dBFS)(

17、ALLch-3dBFS)+10dB-29.5dBFS(DIG.IN)DD Config2GAINADJ.-2+6.5=4.5dB-2+6.5=4.5dBConfig1DOLBY LIMIT LEVEL 1.41VrmsConfig1DOLBY LIMIT LEVEL 1.41Vrms (ALLch-3dBFS)(ALLch-3dBFS)A/D?D/ADSPDSPADAU132838AVR-1909/789, AVC-1909LEVEL DIAGRAMS (5/5)SURROUND BACK LEVEL DIAGRAM ?D/A OUTMUTEEXT IN+20dB+10dB0dB-20dB-3

18、0dB-40dB-10dB+20dB+10dB0dB-20dB-30dB-40dB-10dBLINE IN/EXT IN0dBFS0.88VrmsAVR-1909LEVEL DIAGRAMSURR.BACK ch-2dB-2dB0dBFS-10dBFS-20dBFS-30dBFS-40dBFS-25dBFS(A/D IN)200mV?SPEAKEROUT+30dBSP OUT3.99Vrms/8+26dB+26dBR2A15215FP-2+3+2=+3dB-2+3+2=+3dBNON CLICP MAX SIGNAL LEVEL4.0VrmsNON CLICP MAX SIGNAL LEVEL

19、4.0VrmsConfig2DOLBY LIMIT LEVEL 1.41VrmsConfig2DOLBY LIMIT LEVEL 1.41Vrms(ALLch-3dBFS)(ALLch-3dBFS)+7dB-26dBFS(DIG.IN)DD EX Config1GAINADJ.-2+3=1dB-2+3=1dBConfig1DOLBY LIMIT LEVEL 1.41VrmsConfig1DOLBY LIMIT LEVEL 1.41Vrms (ALLch-3dBFS)(ALLch-3dBFS)SP OUT(D/A OUT)2.82Vrms/8 -32.5dBFS(DIG.IN)DD EX Con

20、fig2-2+6.5+3=7.5dB-2+6.5+3=7.5dBA/D?D/ADSPDSPADAU1328Analog Audio SIGNAL LINE87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (1/25)MAIN UNIT (1/2)Analog Audio SIGNAL LINE87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (2/25)MAIN UNIT (2/2)Analog Audio SIGNAL LINE87654321ABCDEFAVR-1909/

21、789, AVC-1909SCHEMATIC DIAGRAMS (3/25)INPUT UNIT87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (4/25)CPU UNIT (1/2) MCPU PARTOpt Audio SIGNAL LINE87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (5/25)CPU UNIT (2/2) DIGITAL IN PART87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS

22、(6/25)FRONT UNITV.AUX UNITMIC UNITH/P UNITFUNCTION TACT S/W UNITENCODER CNT UNITENCODER UNITPWR S/W UNITAnalog Audio SIGNAL LINE87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (7/25)SPK UNITHDMI/TMDS SIGNAL LINE87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (8/25) HDMI UNIT (1/10) HDM

23、I INPUT SELECTDigital Video SIGNAL LINEDigital Audio SIGNAL LINEHDMI/TMDS SIGNAL LINE87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (9/25)HDMI UNIT (2/10) HDMI I/ODigital Video SIGNAL LINE87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (10/25)HDMI UNIT (3/10) VIDEO PLDDigital Video SI

24、GNAL LINE87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (11/25)HDMI UNIT (4/10) I/P CONVERTS-Video-Y SIGNAL LINEVideo SIGNAL LINEDigital Video SIGNAL LINEComponent-Y SIGNAL LINE87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (12/25)HDMI UNIT (5/10) VIDEO CONVERTDigital Audio SIGNAL LI

25、NEDigital Audio SIGNAL LINE87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (13/25)HDMI UNIT (6/10) DSPDigital Audio SIGNAL LINEDigital Audio SIGNAL LINEDigital Audio SIGNAL LINEOpt Audio SIGNAL LINEAnalog Audio SIGNAL LINE87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (14/25)HDMI UNIT

26、 (7/10) DIR/CODEC/APLDAnalog Audio SIGNAL LINE87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (15/25)HDMI UNIT (8/10) DAC OUTPUT87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (16/25)HDMI UNIT (9/10) XM RADIO (E3 model only)87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (17/25)

27、HDMI UNIT (10/10) SUB CPU87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (18/25)SIRIUS/2WAY RF UNIT87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (19/25)2CH AMP UNITS-Video-Y SIGNAL LINEVideo SIGNAL LINE87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (20/25)VIDEO UNIT (1/2) S/C

28、 VIDEO PARTCompunet-Y SIGNAL LINES-Video-Y SIGNAL LINEVideo SIGNAL LINE87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (21/25)VIDEO UNIT (2/2) COMPONENT PART (E3,E2,EA model)S-Video-Y SIGNAL LINEVideo SIGNAL LINE87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (22/25)D VIDEO UNIT (1/3)

29、S/C VIDEO PARTCompunet-Y SIGNAL LINE87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (23/25)D VIDEO UNIT (2/3) D-TERMINAL PART (JP model only)D-TERMINAL1 UNITD-TERMINAL2 UNITCompunet-Y SIGNAL LINES-Video-Y SIGNAL LINEVideo SIGNAL LINE87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (24/25)D VIDEO UNIT (3/3) VIDEO CNT UNIT D VIDEO CNT UNIT87654321ABCDEFAVR-1909/789, AVC-1909SCHEMATIC DIAGRAMS (25/25)POWER UNITSUPPLAY UNITREG UNIT