Denon AVR-1909 Service Manual

BLOCK DIAGRAM

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AUDIO BLOCK DIAGRAM

32

AVR-1909/789, AVC-1909

VIDEO BLOCK DIAGRAM

㪠㪚㪈㪇㪈㪇

㩿㪧㪣㪛㪀

㪜㪧㪤㪌㪎㪇㪝

㪉㪌㪍䌃㪌䌎

(

)

(

)

72%108'465+)0#.

K

㪘㪻㫁㫌㫊㫋㫄㪼㫅㫋
㪹㫃㫆㫋㫋㫀㫅㪾㩷㫆㫌㫋

䇮

DIGITAL VIDEO

HDMI-1

HDMI -2

HDMI -3

IC1002

HDMI

SW

SiI9185

IC1008

RECEIVER

SiI9135

Audio

Video

I2s

SPDIF

To DSP

To DIR

AtoH CONVERT specification

1.480i㸢480i/480p/1080i60Hz/720p60Hz/1080p60Hz

2.576i㸢576i/576p/1080i50Hz/720p50Hz/1080p50Hz

3.480p㸢1080i60Hz/720p60Hz/1080p60Hz

4.576p㸢1080i50Hz/720p50Hz/1080p50Hz

5.1080i60Hz/720p60Hz㸢1080p60Hz

6.1080i50Hz/720p50Hz㸢1080p50Hz

AVR-1909 VIDEO BLOCK DIAGRAM

75ƻ

LOAD

75ƻ

LOAD

75ƻ

LOAD

75ƻ

LOAD

75ƻ

LOAD

75ƻ

VIDEO CONVERT BLOCK

LOAD

-6dB

-6dB

-6dB

-6dB

-6dB

-7.7dB

INPUT:1.0Vpp

INPUT:0.7Vpp

INPUT:0.7Vpp

INPUT:1.0Vpp

INPUT:0.286Vp

INPUT:0.82Vpp

PS/HD:YCBCR4:2:2

16bit

SD:ITU-R656 8bit

IC1020

VIDEO

DECODER

ADV7401

70㷄

HDMI

IC1009

TRANSMITTER

SiI9134

PS/HD:YCBCR4:2:2 16bit

IC1011

I/P

SCALER

FLI2310

DAC D

DAC E

IC1019

DAC F

VIDEO
ENCODER
ADV7172

DAC B

DAC C

70㷄

㪽㪺㪑㪎㪐㪅㪍㪟㫑

BH7868FS

INPUT:1Vpp

70㷄

IC1018

FILTER
internal

VIDEO

DRIVER

1000u

㪽㪺㪑㪈㪅㪇㪍㪟㫑

6dB

㪽㪺㪑㪊㪅㪉㪈㪟㫑

㪽㪺㪑㪊㪅㪉㪈㪟㫑

㪽㪺㪑㪈㪅㪇㪍㪟㫑

㪽㪺㪑㪊㪅㪉㪈㪟㫑

㪽㪺㪑㪈㪅㪇㪍㪟㫑

㪎㪌㱅

㪎㪌㱅

㪎㪌㱅

㪰㪚㪙㪚㪩㸢㪩㪞㪙

㪛㪘㪫㪘㩷㪩㪘㪥㪞㪜㩷㫀㫊㩷㪼㫏㪺㫌㫋㪼㪻㩷㫎㫀㫋㪿㩷㪫㫏

D CONTROL IN

JAPAN ONLY

㪛㩷㪠㪥㪧㪬㪫㩷㫏㪉

DC GENERATOR

COMPONENT/D IN

LOAD

LOAD

LOAD

㪠㪥㪧㪬㪫㩷㫏㪊

LOAD

LOAD

LOAD

S(Y/C) IN

LOAD

LOAD

㪠㪥㪧㪬㪫㩷㫏㪊

S(Y/C) RECOUT

㪦㪬㪫㪧㪬㪫㩷㫏㪈

-6dB

LOAD

㪠㪥㪧㪬㪫㩷㫏㪊

CVBS RECOUT

㪦㪬㪫㪧㪬㪫㩷㫏㪈

75ƻ

75ƻ

75ƻ

75ƻ

75ƻ

75ƻ

75ƻ

75ƻ

75ƻ

LINE3

㪎㪌㱅

㪎㪌㱅

㪎㪌㱅

IC2014

IC2015

D CONTROL OUT

JAPAN ONLY

S MONI.DET.

S(Y/C) OUT

6dB

㪎㪌㱅

IC2016

6dB

㪎㪌㱅

IC2016

CVBS OUT

6dB

㪎㪌㱅

COMPONENT

IC2027,

IC2026

INPUT

SELECTOR

㪽㪺㪑㪇㪅㪇㪈㪍㪟㫑

-6dB

㪽㪺㪑㪇㪅㪇㪈㪍㪟㫑

-6dB

㪽㪺㪑㪇㪅㪇㪈㪍㪟㫑

-6dB

㪽㪺㪑㪇㪅㪇㪈㪍㪟㫑

-6dB

㪽㪺㪑㪇㪅㪇㪈㪍㪟㫑

-6dB

㪽㪺㪑㪇㪅㪇㪈㪍㪟㫑

-6dB

INTERNAL
GAIN:0dB

IC2023

INPUT

SELECTOR

NJW1321

S-VIDEO

-6dB

-6dB

6dB

6dB

IC2002/IC200

3

INPUT

SELE

CTOR

IC2009/2010

REC
SELE
CTOR

IC2016

RECOUT

BUFFER/INH

INPUT MUTE

INPUT MUTE

CONPOSITE

IC2004

INPUT

INPUT

SELECTOR

SELE

CTOR

INPUT MUTE

IC2011

REC

SELE

CTOR

6dB

IC2016

RECOUT

BUFFER/INH

INPUT MUTE

㪽㪺㪑㪇㪅㪇㪈㪍㪟㫑

㪽㪺㪑㪇㪅㪇㪈㪍㪟㫑

㪽㪺㪑㪇㪅㪇㪈㪍㪟㫑

㪽㪺㪑㪇㪅㪇㪈㪍㪟㫑

㪽㪺㪑㪇㪅㪇㪈㪍㪟㫑

㪽㪺㪑㪇㪅㪇㪈㪍㪟㫑

㪽㪺㪑㪇㪅㪈㪍㪟㫑

㪽㪺㪑㪇㪅㪈㪍㪟㫑

IC2005

㪽㪺㪑㪇㪅㪈㪍㪟㫑

㪽㪺㪑㪇㪅㪈㪍㪟㫑

IC2008

㪽㪺㪑㪇㪅㪈㪍㪟㫑

IC2001

IC2008

6dB

6dB

6dB

6dB

6dB

SIGNAL DET.

6dB

6dB

0dB

0dB

SIGNAL DET.

6dB㪽㪺㪑㪇㪅㪈㪍㪟㫑

0dB

IC2001

IC2005

SIGNAL DET.

IC2021NJM2581

IC2022NJM2581

㪎㪌㱅

㪎㪌㱅

㪎㪌㱅

OSD BLOC

SYNC. DET.

INPUT:2Vpp

㪽㪺㪑㪇㪅㪈㪌㪟㫑

IC2007

70㷄

IC2017

OSD

INPUT:2Vpp

㪎㪌㱅

㪎㪌㱅

㪎㪌㱅

IC2007

IC2007

㪽㪺㪑㪇㪅㪈㪍㪟㫑

0dB

IC2018

IC2008

0dB

IC2008

㪽㪺㪑㪇㪅㪈㪍㪟㫑

㪽㪺㪑㪇㪅㪈㪍㪟㫑

㪽㪺㪑㪇㪅㪈㪍㪟㫑

IC2012

0dB

0dB

IC2013

0dB

㪎㪌㱅

㪎㪌㱅

-6dB

㪎㪌㱅

330ƻ
LOAD

330ƻ

LOAD

330ƻ
LOAD

330ƻ
LOAD

㪊㪊㪇㱅

-6dB

㪊㪊㪇㱅

-6dB

㪊㪊㪇㱅

-6dB

㪊㪊㪇㱅

SD:ITU-R656 ONLY

33

AVR-1909/789, AVC-1909

LEVEL DIAGRAMS (1/5)

-2dB

-35dB

+28dB

DSP

-2+2=0dB

NON CLICP MAX SIGNAL LEVEL 4.0Vrms

Config2˴DOLB Y LIMIT LEVE L 1.41 Vrms (ALLch-3dBFS)

-2+6.5=4.5dB

SUM FROM SWch

Config1˴DOLB Y LIMIT LEVE L (ALLch-3dB FS)

3.876V

FRONT LEVEL DIAGRAM

R2A15215FP

LINE IN

㧗

㧗 㧙

TO

Surround Back

(ZONE2 MODE)

AVR-1909

LEVEL DIAGRAM

FRONT ch

ANALOG

ATT

㧗

GAIN
ADJ.

A/D

ADAU1328

D/A

㧙

FROM SWch

㧙

D/A OUT

MUTE

㧙

㧗

㧙

㧙

H/POUT

SPEAKER

OUT

EXT IN

200mV

+20dB

+10dB

˴0dB

-10dB

-20dB

㧗

LINE IN/EXT IN

-8dB

ADAU1328

-10dBFS

-20dBFS

-30dBFS

0dBFS

A/D IN

79.4mVrms

0dBFS

0.88Vrms

0dBFS

-10dBFS

-20dBFS(DIG.IN)
PCM or DD Config1

-22dBFS(A/D IN)

-20dBFS

-26.5dBFS(DIG.IN)

˴DD Config2

-30dBFS

+7dB

RECOUT

+30dB

SP OUT

3.99Vrms/8Ω

+20dB

+10dB

RECOUT

˴0dB

-10dB

H/POUT

71.0mVrms

-20dB

-30dB

-40dB

-40dBFS

-40dBFS

-30dB

-40dB

34

AVR-1909/789, AVC-1909

LEVEL DIAGRAMS (2/5)

-2dB

+29dB

-2+2=0dB

NON CLICP MAX SIGNAL LEVEL 4.0Vrms

Config2˴DOLB Y LIMIT LEVE L (ALLch-3dB FS)

-2+6.5=4.5dB

Config1˴DOLB Y LIMIT LEVE L (ALLch-3dB FS)

DSP

CENTER LEVEL DIAGRAM

AVR-1909

LEVEL DIAGRAM

CENTER ch

R2A15215FP

EXT IN

200mV

+20dB

+10dB

˴0dB

-10dB

-20dB

㧗

LINE IN/EXT IN

㧗

GAIN
ADJ.

A/D

ADAU1328

0dBFS

0.88Vrms

-20dBFS(DIG.IN)
PCM or DD Config1

-22dBFS(A/D IN)

-26.5dBFS(DIG.IN)

˴DD Config2

D/A

0dBFS

-10dBFS

-20dBFS

-30dBFS

㧗

+7dB

㧙

D/A OUT

MUTE

㧗

㧙

SPEAKER

OUT

+30dB

SP OUT

3.99Vrms/8Ω

+20dB

+10dB

˴0dB

-10dB

-20dB

-30dB

-40dB

-40dBFS

-30dB

-40dB

35

AVR-1909/789, AVC-1909

LEVEL DIAGRAMS (3/5)

-2dB

PLD

DSP

NON CLICP MAX SIGNAL LEVEL 4.0Vrms

Config2˴DOLB Y LIMIT LEVE L (ALLch-3dB FS)

-2+(20-6)=12dB

Config1˴DOLB Y LIMIT LEVE L˴(ALLch-3dB FS)

3.876V

SUM to FRONTch

SUB WOOFER LEVEL DIAGRAM

AVR-1909

LEVEL DIAGRAM

SUBWOOFER ch

R2A15215FP

EXT IN

200mV

+20dB

+10dB

˴0dB

-10dB

-20dB

-30dB

-40dB

㧗

LINE IN/EXT IN

㧗

A/D

ADAU1328

㧙

ADAU1328

0dBFS

0.88Vrms

0dBFS

-10dBFS

-20dBFS

-34dBFS(PCM.IN)

-36dBFS(A/D IN)

-30dBFS

-40dBFS(DIG.IN)
˴DD Config1

-40dBFS

-46.5dBFS(DIG.IN)
˴DD Config2

-50dBFS

D/A

㧙

GAIN

㧗

+7dB

㧙

㧙㧙㧙

+6dB

D/A OUT

MUTE

+3dB

SUM to FRONT-ch

ADJ.

PREOUTMUTE

+30dB

+20dB

+10dB

PREOUT
317mVrms

˴0dB
PREOUT
159mVrms

-10dB

-20dB

-30dB

-40dB

36

AVR-1909/789, AVC-1909

LEVEL DIAGRAMS (4/5)

-2dB

+28dB

-2+2=0dB

NON CLICP MAX SIGNAL LEVEL 4.0Vrms

Config2˴DOLB Y LIMIT LEVE L 1.41 Vrms(ALLch-3dBFS)

-2+6.5=4.5dB

Config1˴DOLB Y LIMIT LEVE L 1.41 Vrms(ALLch-3dBFS)

DSP

SURROUND LEVEL DIAGRAM

AVR-1909

LEVEL DIAGRAM

SURROUND ch

R2A15215FP

EXT IN

+20dB

+10dB

㧗

GAIN
ADJ.

A/D

ADAU1328

0dBFS

0.88Vrms

D/A

0dBFS

㧗

㧙

D/A OUT

MUTE

㧗

㧙

㧗

SPEAKER

OUT

+30dB

SP OUT

3.99Vrms/8Ω

+20dB

+10dB

200mV

˴0dB

-10dB

-20dB

-30dB

-40dB

LINE IN/EXT IN

-10dBFS

-23dBFS(DIG.IN)

PCM or DD Config1

-25dBFS(A/D IN)

-20dBFS

-29.5dBFS(DIG.IN)
˴DD Config2

-30dBFS

-40dBFS

+10dB

37

AVR-1909/789, AVC-1909

˴0dB

-10dB

-20dB

-30dB

-40dB

LEVEL DIAGRAMS (5/5)

-2dB

+26dB

-2+3+2=+3dB

NON CLICP MAX SIGNAL LEVEL 4.0Vrms

Config2˴DOLB Y LIMIT LEVE L 1.41 Vrms (ALLch-3dBFS)

-2+3=1dB

Config1˴DOLB Y LIMIT LEVE L 1.41 Vrms (ALLch-3dBFS)

-2+6.5+3=7.5dB

DSP

SURROUND BACK LEVEL DIAGRAM

AVR-1909

LEVEL DIAGRAM

SURR.BACK ch

R2A15215FP

EXT IN

200mV

+20dB

+10dB

˴0dB

-10dB

-20dB

-30dB

㧗

LINE IN/EXT IN

㧗

GAIN

ADJ.

A/D

ADAU1328

0dBFS

0.88Vrms

-25dBFS(A/D IN)

-26dBFS(DIG.IN)
DD EX Config1

-32.5dBFS(DIG.IN)
DD EX Config2

D/A

0dBFS

-10dBFS

-20dBFS

-30dBFS

-40dBFS

㧗

+7dB

㧙

D/A OUT

MUTE

㧗

㧙

SPEAKER

OUT

+30dB

SP OUT

3.99Vrms/8Ω

SP OUT(D/A OUT)

2.82Vrms/8Ω

+20dB

+10dB

˴0dB

-10dB

-20dB

-30dB

-40dB

-40dB

38

AVR-1909/789, AVC-1909

87654321

A

B

C

D

E

Analog Audio SIGNAL LINE

SCHEMATIC DIAGRAMS (1/25)

MAIN UNIT (1/2)

AVR-1909/789, AVC-1909

F

87654321

A

B

C

D

E

Analog Audio SIGNAL LINE

SCHEMATIC DIAGRAMS (2/25)

MAIN UNIT (2/2)

AVR-1909/789, AVC-1909

F

87654321

A

B

C

D

E

Analog Audio SIGNAL LINE

SCHEMATIC DIAGRAMS (3/25)

INPUT UNIT

AVR-1909/789, AVC-1909

F