Denon AVR-789 Service Manual Page 33

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33
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
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 ONLY
)
AVR-1909 VIDEO BLOCK DIAGRAM
IC1018
FILTER
internal
VIDEO
DRIVER
BH7868FS
6dB
INPUT:1Vpp
-6dB
-6dB
-6dB
70
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
㪽㪺㪑㪎㪐㪅㪍㪟㫑
DIGITAL VIDEO
HDMI
㪽㪺㪑㪈㪅㪇㪍㪟㫑
㪽㪺㪑㪊㪅㪉㪈㪟㫑
㪽㪺㪑㪊㪅㪉㪈㪟㫑
1000u
㪠㪥㪧㪬㪫㩷㫏㪊
㪛㩷㪠㪥㪧㪬㪫㩷㫏㪉
To DSP
IC2027,
IC2026
INPUT
SELECTOR
6dB
6dB
6dB
75ƻ
LOAD
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
75ƻ
LOAD
75ƻ
LOAD
72%108'465+)0#.
COMPONENT
SIGNAL DET.
IC2021NJM2581
6dB
6dB
㪽㪺㪑㪇㪅㪇㪈㪍㪟㫑
㪽㪺㪑㪇㪅㪇㪈㪍㪟㫑
6dB
㪽㪺㪑㪇㪅㪇㪈㪍㪟㫑
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 BLOC
K
0dB
0dB
0dB
0dB
0dB
INPUT:2Vpp
INPUT:2Vpp
70
㪽㪺㪑㪇㪅㪈㪌㪟㫑
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
㪽㪺㪑㪇㪅㪈㪍㪟㫑
S-VIDEO
SIGNAL DET.
S
(
Y
/
C
)
IN
6dB
6dB
-6dB
-6dB
㪽㪺㪑㪇㪅㪈㪍㪟㫑
㪽㪺㪑㪇㪅㪈㪍㪟㫑
S
(
Y/C
)
RECOUT
INPUT MUTE
㪠㪥㪧㪬㪫㩷㫏㪊
㪦㪬㪫㪧㪬㪫㩷㫏㪈
INPUT MUTE
IC2016
RECOUT
BUFFER/INH
0dB
0dB
㪽㪺㪑㪇㪅㪈㪍㪟㫑
㪽㪺㪑㪇㪅㪈㪍㪟㫑
SIGNAL DET.
CVBS IN
INPUT
SELECTOR
CVBS RECOUT
6dB
INPUT MUTE
INPUT MUTE
CONPOSITE
6dB㪽㪺㪑㪇㪅㪈㪍㪟㫑
㪽㪺㪑㪇㪅㪈㪍㪟㫑
INPUT:0.82Vpp
IC1009
TRANSMITTER
SiI9134
S
(
Y/C
)
OUT
6dB
6dB
To DIR
I2s
SPDIF
LINE3
DC GENERATOR
-6dB
-6dB
-6dB
75ƻ
LOAD
75ƻ
LOAD
75ƻ
LOAD
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
-6dB
-7.7dB
INPUT:1.0Vpp
INPUT:1.0Vpp
INPUT:0.286Vp
INPUT:0.7Vpp
INPUT:0.7Vpp
75ƻ
LOAD
IC2002/IC200
3
INPUT
SELE
CTOR
75ƻ
LOAD
IC2009/2010
REC
SELE
CTOR
INTERNAL
GAIN:0dB
INPUT
SELE
CTOR
REC
SELE
CTOR
75ƻ
LOAD
IC2004
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
㪎㪌㱅
㪎㪌㱅
㪎㪌㱅
㪎㪌㱅
㪎㪌㱅
㪎㪌㱅
㪎㪌㱅
㪎㪌㱅
㪎㪌㱅
㪎㪌㱅
㪎㪌㱅
㪎㪌㱅
㪎㪌㱅
㪎㪌㱅
㪎㪌㱅
75ƻ
LOAD
75ƻ
LOAD
75ƻ
LOAD
75ƻ
LOAD
75ƻ
LOAD
75ƻ
LOAD
AtoH CONVERT specification
1.480i480i/480p/1080i60Hz/720p60Hz/1080p60Hz
2.576i576i/576p/1080i50Hz/720p50Hz/1080p50Hz
3.480p1080i60Hz/720p60Hz/1080p60Hz
4.576p1080i50Hz/720p50Hz/1080p50Hz
5.1080i60Hz/720p60Hz1080p60Hz
6.1080i50Hz/720p50Hz1080p50Hz
6dB
6dB
0dB
㪎㪌㱅
㪎㪌㱅
㪎㪌㱅
㪠㪥㪧㪬㪫㩷㫏㪊
-6dB
㪘㪻㫁㫌㫊㫋㫄㪼㫅㫋
㪹㫃㫆㫋㫋㫀㫅㪾㩷㫆㫌㫋
IC1011
I/P
SCALER
FLI2310
SD:ITU-R656 ONLY
PS/HD:YCBCR4:2:2 16bit
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
IC2005
IC2007
IC2012
IC2008
IC2005
HDMI-1
HDMI -2
HDMI -3
IC1002
HDMI
SW
SiI9185
IC1008
RECEIVER
SiI9135
Video
Audio
㪦㪬㪫㪧㪬㪫㩷㫏㪈
IC2022NJM2581
IC2008
㪊㪊㪇㱅
330ƻ
LOAD
-6dB
㪊㪊㪇㱅
330ƻ
LOAD
-6dB
㪊㪊㪇㱅
330ƻ
LOAD
-6dB
㪊㪊㪇㱅
330ƻ
LOAD
-6dB
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