Denon-AVR789-avr-sch维修电路原理图.pdf

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1、32 AVR-1909/789, AVC-1909 BLOCK DIAGRAM AUDIO BLOCK DIAGRAM RadioFans.CN 收音机爱 好者资料库 33 AVR-1909/789, AVC-1909 VIDEO BLOCK DIAGRAM ? ? ? ? ? ? ? ? IC2016 RECOUT BUFFER/INH DAC D DAC E DAC F DAC B DAC C VIDEO CONVERT BLOCK COMPONENT OUT D CONTROL OUT (JAPAN ONLY) COMPONENT/D IN D CONTROL IN (JAPAN ONL

2、Y) AVR-1909 VIDEO BLOCK DIAGRAM IC1018 FILTER internal VIDEO DRIVER BH7868FS 6dB INPUT:1Vpp 6dB 6dB 6dB 70? ? ? ? ? ? ? ? ? ? ? ? ? DIGITAL VIDEO HDMI ? ? ? ? ? ? ? ? ? 1000u ? ? ? ? ? To DSP IC2027, IC2026 INPUT SELECTOR 6dB 6dB 6dB 75? LOAD ? ? ? ? ? ? ? ? ? 75? LOAD 75? LOAD ? ? ? ? ? COMPONENT S

3、IGNAL DET. IC2021NJM2581 6dB 6dB ? ? ? ? ? ? 6dB ? ? ? IC2023 INPUT SELECTOR NJW1321 IC1020 VIDEO DECODER ADV7401 70? IC1019 VIDEO ENCODER ADV7172 70? CVBS OUT S MONI.DET. 6dB SYNC. DET. IC2017 OSD OSD BLOCK 0dB 0dB 0dB 0dB 0dB INPUT:2Vpp INPUT:2Vpp 70? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? S-VIDEO SIGNAL D

4、ET. S(Y/C) IN 6dB 6dB 6dB 6dB ? ? ? ? ? ? S(Y/C) RECOUT INPUT MUTE ? ? ? ? INPUT MUTE IC2016 RECOUT BUFFER/INH 0dB 0dB ? ? ? ? ? ? SIGNAL DET. CVBS IN CVBS RECOUT 6dB INPUT MUTE INPUT MUTE CONPOSITE 6dB? ? ? ? ? ? INPUT:0 82Vpp IC1009 TRANSMITTER SiI9134 S(Y/C) OUT 6dB 6dB To DIR I2s SPDIF LINE3 DC

5、GENERATOR 6dB 6dB 6dB 75? LOAD 75? LOAD 75? LOAD ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 6dB 7 7dB INPUT:1 0Vpp INPUT:1 0Vpp INPUT:0 286Vp INPUT:0 7Vpp INPUT:0 7Vpp 75? LOAD IC2002/IC200 3 INPUT SELE CTOR 75? LOAD IC2009/2010 REC SELE CTOR INTERNAL GAIN:0dB INPUT SELE CTOR REC SELE CTOR 75? LOAD IC2004

6、IC2011 IC2001 IC2001 IC2008 IC2007 IC2007 IC2018 IC2013 IC2008 IC2014 IC2016 IC2016 IC2015 6dB 6dB 6dB 6dB PS/HD:YCBCR4:2:2 16bit SD:ITU-R656 8bit ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 75? LOAD 75? LOAD 75? LOAD 75? LOAD 75? LOAD 75? LOAD AtoH CONVERT specification 1.480i?480i/480p/1080i60Hz/720p60Hz/1080p6

7、0Hz 2.576i?576i/576p/1080i50Hz/720p50Hz/1080p50Hz 3.480p?1080i60Hz/720p60Hz/1080p60Hz 4.576p?1080i50Hz/720p50Hz/1080p50Hz 5.1080i60Hz/720p60Hz?1080p60Hz 6.1080i50Hz/720p50Hz?1080p50Hz 6dB 6dB 0dB ? ? ? ? ? 6dB ? ? ? ? ? ? IC1011 I/P? ? SCALER FLI2310 SD:ITU-R656 ONLY PS/HD:YCBCR4:2:2 16bit ? ? ? ? ?

8、 ? ? IC2005 IC2007 IC2012 IC2008 IC2005 HDMI-1 HDMI -2 HDMI -3 IC1002 HDMI SW SiI9185 IC1008 RECEIVER SiI9135 Video Audio ? ? IC2022NJM2581 IC2008 ? 330? LOAD 6dB ? 330? LOAD 6dB ? 330? LOAD 6dB ? 330? LOAD 6dB RadioFans.CN 收音机爱 好者资料库 34 AVR-1909/789, AVC-1909 LEVEL DIAGRAMS (1/5) FRONT LEVEL DIAGRA

9、M ? ? ? A/D ? D/AD/A OUT MUTE LINE IN EXT IN H/POUT +20dB +10dB 0dB -20dB -30dB -40dB -10dB +20dB +10dB 0dB -20dB -30dB -40dB -10dB LINE IN/EXT IN -10dBFS 0dBFS -20dBFS -30dBFS -40dBFS A/D IN 79.4mVrms 0dBFS 0.88Vrms ADAU1328 RECOUT H/POUT 71.0mVrms AVR-1909 LEVEL DIAGRAM FRONT ch -8dB -2dB -35dB -2

10、dB -35dB 0dBFS -10dBFS -20dBFS -30dBFS -40dBFS -20dBFS(DIG.IN) PCM or DD Config1 -22dBFS(A/D IN) FROM SWch 200mV TO Surround Back (ZONE2 MODE) ? SPEAKER OUT +30dB SP OUT 3.99Vrms/8 +28dB+28dB DSPDSP ANALOG ATT R2A15215FP -2+2=0dB-2+2=0dB RECOUT NON CLICP MAX SIGNAL LEVEL 4 0VrmsNON CLICP MAX SIGNAL

11、LEVEL 4 0Vrms Config2DOLBY LIMIT LEVEL 1.41 VrmsConfig2DOLBY LIMIT LEVEL 1.41 Vrms (ALLch-3dBFS)(ALLch-3dBFS) +7dB -26.5dBFS(DIG.IN) DD Config2 GAIN ADJ. -2+6.5=4.5dB-2+6.5=4.5dB SUM FROM SWchSUM FROM SWch Config1DOLBY LIMIT LEVEL (ALLch-3dBFS) 3.876V Config1DOLBY LIMIT LEVEL (ALLch-3dBFS) 3.876V AD

12、AU1328 35 AVR-1909/789, AVC-1909 LEVEL DIAGRAMS (2/5) CENTER LEVEL DIAGRAM ? ? D/A OUT MUTE EXT IN +20dB +10dB 0dB -20dB -30dB -40dB -10dB +20dB +10dB 0dB -20dB -30dB -40dB -10dB LINE IN/EXT IN 0dBFS 0.88Vrms AVR-1909 LEVEL DIAGRAM CENTER ch -2dB-2dB 0dBFS -10dBFS -20dBFS -30dBFS -40dBFS -20dBFS(DIG

13、.IN) PCM or DD Config1 -22dBFS(A/D IN) 200mV ? SPEAKER OUT +30dB SP OUT 3.99Vrms/8 +29dB+29dB R2A15215FP -2+2=0dB-2+2=0dB NON CLICP MAX SIGNAL LEVEL 4.0VrmsNON CLICP MAX SIGNAL LEVEL 4.0Vrms Config2DOLBY LIMIT LEVEL (ALLch-3dBFS)Config2DOLBY LIMIT LEVEL (ALLch-3dBFS) +7dB -26.5dBFS(DIG.IN) DD Config

14、2 GAIN ADJ. -2+6.5=4.5dB-2+6.5=4.5dB Config1DOLBY LIMIT LEVEL (ALLch-3dBFS)Config1DOLBY LIMIT LEVEL (ALLch-3dBFS) A/D ? D/A DSPDSP ADAU1328 36 AVR-1909/789, AVC-1909 LEVEL DIAGRAMS (3/5) SUB WOOFER LEVEL DIAGRAM ? A/D ADAU1328 ? D/A ADAU1328? D/A OUT MUTE EXT IN +20dB +10dB 0dB -20dB -30dB -40dB -10

15、dB +20dB +10dB 0dB -20dB -30dB -40dB -10dB LINE IN/EXT IN 0dBFS 0.88Vrms PREOUT 159mVrms AVR-1909 LEVEL DIAGRAM SUBWOOFER ch -2dB-2dB 0dBFS -10dBFS -20dBFS -30dBFS -40dBFS 200mV PREOUTMUTE +30dB PLDPLD DSPDSP R2A15215FP NON CLICP MAX SIGNAL LEVEL 4 0VrmsNON CLICP MAX SIGNAL LEVEL 4 0Vrms Config2DOLB

16、Y LIMIT LEVEL (ALLch-3dBFS)Config2DOLBY LIMIT LEVEL (ALLch-3dBFS) +7dB GAIN ADJ. -2+(20-6)=12dB-2+(20-6)=12dB Config1DOLBY LIMIT LEVEL(ALLch-3dBFS)Config1DOLBY LIMIT LEVEL(ALLch-3dBFS) -50dBFS 3.876V SUM to FRONTch 3.876V SUM to FRONTch +6dB +3dB -46.5dBFS(DIG.IN) DD Config2 -40dBFS(DIG.IN) DD Confi

17、g1 PREOUT 317mVrms -34dBFS(PCM.IN) -36dBFS(A/D IN) SUM to FRONT-ch 37 AVR-1909/789, AVC-1909 LEVEL DIAGRAMS (4/5) SURROUND LEVEL DIAGRAM ? ? D/A OUT MUTE EXT IN +20dB +10dB 0dB -20dB -30dB -40dB -10dB +20dB +10dB 0dB -20dB -30dB -40dB -10dB LINE IN/EXT IN 0dBFS 0.88Vrms AVR-1909 LEVEL DIAGRAM SURROU

18、ND ch -2dB-2dB 0dBFS -10dBFS -20dBFS -30dBFS -40dBFS -23dBFS(DIG.IN) PCM or DD Config1 -25dBFS(A/D IN) 200mV ? SPEAKER OUT +30dB SP OUT 3.99Vrms/8 +28dB+28dB R2A15215FP -2+2=0dB-2+2=0dB NON CLICP MAX SIGNAL LEVEL 4.0VrmsNON CLICP MAX SIGNAL LEVEL 4.0Vrms Config2DOLBY LIMIT LEVEL 1.41VrmsConfig2DOLBY

19、 LIMIT LEVEL 1.41Vrms (ALLch-3dBFS)(ALLch-3dBFS) +10dB -29.5dBFS(DIG.IN) DD Config2 GAIN ADJ. -2+6.5=4.5dB-2+6.5=4.5dB Config1DOLBY LIMIT LEVEL 1.41VrmsConfig1DOLBY LIMIT LEVEL 1.41Vrms (ALLch-3dBFS)(ALLch-3dBFS) A/D ? D/A DSPDSP ADAU1328 38 AVR-1909/789, AVC-1909 LEVEL DIAGRAMS (5/5) SURROUND BACK

20、LEVEL DIAGRAM ? ? D/A OUT MUTE EXT IN +20dB +10dB 0dB -20dB -30dB -40dB -10dB +20dB +10dB 0dB -20dB -30dB -40dB -10dB LINE IN/EXT IN 0dBFS 0.88Vrms AVR-1909 LEVEL DIAGRAM SURR.BACK ch -2dB-2dB 0dBFS -10dBFS -20dBFS -30dBFS -40dBFS -25dBFS(A/D IN) 200mV ? SPEAKER OUT +30dB SP OUT 3.99Vrms/8 +26dB+26d

21、B R2A15215FP -2+3+2=+3dB-2+3+2=+3dB NON CLICP MAX SIGNAL LEVEL4.0VrmsNON CLICP MAX SIGNAL LEVEL4.0Vrms Config2DOLBY LIMIT LEVEL 1.41VrmsConfig2DOLBY LIMIT LEVEL 1.41Vrms(ALLch-3dBFS)(ALLch-3dBFS) +7dB -26dBFS(DIG.IN) DD EX Config1 GAIN ADJ. -2+3=1dB-2+3=1dB Config1DOLBY LIMIT LEVEL 1.41VrmsConfig1DO

22、LBY LIMIT LEVEL 1.41Vrms (ALLch-3dBFS)(ALLch-3dBFS) SP OUT(D/A OUT) 2.82Vrms/8 -32.5dBFS(DIG.IN) DD EX Config2 -2+6.5+3=7.5dB-2+6.5+3=7.5dB A/D ? D/A DSPDSP ADAU1328 Analog Audio SIGNAL LINE 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (1/25) MAIN UNIT (1/2) Analog Audio SIGNAL LIN

23、E 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (2/25) MAIN UNIT (2/2) Analog Audio SIGNAL LINE 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (3/25) INPUT UNIT 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (4/25) CPU UNIT (1/2) MCPU PART Opt Audio S

24、IGNAL LINE 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (5/25) CPU UNIT (2/2) DIGITAL IN PART 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (6/25) FRONT UNIT V.AUX UNIT MIC UNIT H/P UNIT FUNCTION TACT S/W UNIT ENCODER CNT UNIT ENCODER UNIT PWR S/W UNIT Analog Audio

25、 SIGNAL LINE 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (7/25) SPK UNIT HDMI/TMDS SIGNAL LINE 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (8/25) HDMI UNIT (1/10) HDMI INPUT SELECT Digital Video SIGNAL LINE Digital Audio SIGNAL LINE HDMI/TMDS SIGNAL LINE 8765432

26、1 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (9/25) HDMI UNIT (2/10) HDMI I/O Digital Video SIGNAL LINE 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (10/25) HDMI UNIT (3/10) VIDEO PLD Digital Video SIGNAL LINE 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAM

27、S (11/25) HDMI UNIT (4/10) I/P CONVERT S-Video-Y SIGNAL LINE Video SIGNAL LINE Digital Video SIGNAL LINE Component-Y SIGNAL LINE 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (12/25) HDMI UNIT (5/10) VIDEO CONVERT Digital Audio SIGNAL LINE Digital Audio SIGNAL LINE 87654321 A B C D

28、E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (13/25) HDMI UNIT (6/10) DSP Digital Audio SIGNAL LINE Digital Audio SIGNAL LINE Digital Audio SIGNAL LINE Opt Audio SIGNAL LINE Analog Audio SIGNAL LINE 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (14/25) HDMI UNIT (7/10) DIR/CODEC/AP

29、LD Analog Audio SIGNAL LINE 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (15/25) HDMI UNIT (8/10) DAC OUTPUT 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (16/25) HDMI UNIT (9/10) XM RADIO (E3 model only) 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRA

30、MS (17/25) HDMI UNIT (10/10) SUB CPU 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (18/25) SIRIUS/2WAY RF UNIT 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (19/25) 2CH AMP UNIT S-Video-Y SIGNAL LINE Video SIGNAL LINE 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHE

31、MATIC DIAGRAMS (20/25) VIDEO UNIT (1/2) S/C VIDEO PART Compunet-Y SIGNAL LINE S-Video-Y SIGNAL LINE Video SIGNAL LINE 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (21/25) VIDEO UNIT (2/2) COMPONENT PART (E3,E2,EA model) S-Video-Y SIGNAL LINE Video SIGNAL LINE 87654321 A B C D E F A

32、VR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (22/25) D VIDEO UNIT (1/3) S/C VIDEO PART Compunet-Y SIGNAL LINE 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (23/25) D VIDEO UNIT (2/3) D-TERMINAL PART (JP model only) D-TERMINAL1 UNIT D-TERMINAL2 UNIT Compunet-Y SIGNAL LINE S-Video-Y SIGNAL LINE Video SIGNAL LINE 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (24/25) D VIDEO UNIT (3/3) VIDEO CNT UNIT D VIDEO CNT UNIT 87654321 A B C D E F AVR-1909/789, AVC-1909 SCHEMATIC DIAGRAMS (25/25) POWER UNIT SUPPLAY UNIT REG UNIT