Video Block Diagram - Denon AVR-789 Service Manual

Q Q
3 7 6 3 1 5 1 5 0

VIDEO BLOCK DIAGRAM

DIGITAL VIDEO
Audio
IC1002
HDMI-1
HDMI
IC1008
Video
SW
RECEIVER
SiI9185
SiI9135
HDMI -2
I2s
To DSP
HDMI -3
SPDIF
D CONTROL IN
COMPONENT
(JAPAN ONLY)
IC2027,
IC2026
INPUT
LINE3
SELECTOR
DC GENERATOR
SIGNAL DET.
COMPONENT/D IN
-6dB
INTERNAL 6dB
75
GAIN:0dB
LOAD
IC2021NJM2581
-6dB 6dB
75
IC2023
LOAD
-6dB 6dB
75
INPUT
LOAD
-6dB
SELECTOR 6dB
75
LOAD
-6dB 6dB IC2022NJM2581
75
NJW1321
LOAD
-6dB 6dB
75 T E
L 1 3 9 4 2 2 9 6 5 1 3
LOAD
S-VIDEO
SIGNAL DET.
S(Y/C) IN
IC2001
-6dB
IC2002/IC200
75 6dB
LOAD 3
-6dB
INPUT
75
LOAD SELE
CTOR 6dB
INPUT MUTE IC2005
IC2001
0dB
IC2009/2010
REC
0dB IC2005
SELE
CTOR
S(Y/C) RECOUT INPUT MUTE
6dB
IC2016
RECOUT
6dB
BUFFER/INH
CONPOSITE
SIGNAL DET.
CVBS IN
IC2008
-6dB INPUT IC2004
75 INPUT 6dB
LOAD SELECTOR
SELE
CTOR
INPUT MUTE
IC2008
IC2011
0dB
REC
SELE
CTOR
INPUT MUTE
CVBS RECOUT
IC2016
6dB
RECOUT
BUFFER/INH
w w w
.
AtoH CONVERT specification
1.480i 480i/480p/1080i60Hz/720p60Hz/1080p60Hz
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
To DIR
IC2012
OSD BLOCK
IC2008
0dB
0dB
IC2007
SYNC. DET.
IC2007
INPUT:2Vpp
0dB
0dB
IC2017
OSD
IC2013
70
0dB
IC2007 INPUT:2Vpp
IC2018
IC2008
x a o
y
i
http://www.xiaoyu163.com
8
AVR-1909 VIDEO BLOCK DIAGRAM
PS/HD:YCBCR4:2:2
16bit
SD:ITU-R656 8bit
-6dB INPUT:1.0Vpp
75
LOAD
INPUT:0.7Vpp
-6dB
75
IC1020
LOAD
INPUT:0.7Vpp
-6dB
75
VIDEO
LOAD
INPUT:1.0Vpp
-6dB
75 DECODER
LOAD
INPUT:0.286Vp
-6dB
75
ADV7401
LOAD
-7.7dB INPUT:0.82Vpp
75
LOAD
70
VIDEO CONVERT BLOCK
Q Q
3 7 6 3
-6dB
330
LOAD
-6dB
330
LOAD
-6dB
330
LOAD
-6dB
330
LOAD
u 1 6 3
.
33
AVR-1909/789, AVC-1909
http://www.xiaoyu163.com
9 2 4 9 8
PS/HD:YCBCR4:2:2 16bit
IC1011
I/P
SCALER
FLI2310
1000u
DAC D
6dB
IC1018
DAC E
IC1019
FILTER
DAC F
internal
VIDEO
VIDEO
DAC B
ENCODER
DRIVER
ADV7172 DAC C
BH7868FS
INPUT:1Vpp
70
70
SD:ITU-R656 ONLY
1 5 1 5 0 8 9 2 4
m
c o
2 9 9
HDMI
IC1009
TRANSMITTER
SiI9134
D CONTROL OUT
(JAPAN ONLY)
COMPONENT OUT
9 8 2 9 9
S MONI.DET.
IC2014
S(Y/C) OUT
6dB
IC2016
6dB
IC2016
IC2015
CVBS OUT
6dB