Video Section - Integra DHC-9.9 Service Manual

A B
Q Q
3 7 6 3 1 5 1 5 0
BLOCK DIAGRAMS-2

VIDEO SECTION

1
VIDEO BOARD (NAVD-9052, SD-3)
COMPONENT VIDEO
Y1
CB1
IN 1
CR1
Y2
IN 2 CB2
2 CR2
Y3
IN 3 CB3
CR3
COMPOSITE VIDEO
DVD
VCR/DVR
T E
L 1 3 9 4 2 2 9 6 5 1 3
CBL/SAT
3
GAME/TV
AUX 1
AUX 2
(FRONT)
S VIDEO INPUT
C Y
DVD
C Y
VCR/DVR
C Y
CBL/SAT
4
C Y
GAME/TV
C Y
AUX 1
C Y
AUX 2
(FRONT)
NOTE
MMP is short for MAIN MICROPROCESSOR.
w w w
5
.
<Note>
Refer to SCHEMATIC DIAGRAM-3, 13, 14 and 19 (SD-3, SD-13, SD-14 and SD-19)
for video and HDMI signal waveforms.
C
Video Switch
Q2201
NJW1321FP1
6dB
Y
6dB
6dB
CB
6dB
6dB
CR
6dB
Video Amp
Q2006-2011 Q2012,Q2013
74HC4051
NJM2587V
MAIN
LPF(12MHz)
6dB DRV
Z2
LPF(6MHz)
6dB DRV
MAIN
LPF(12MHz)
6dB DRV
S-DET
MMP
Z2
LPF(6MHz)
6dB DRV
Z2 S-DET
MMP
MAIN
LPF(12MHz)
6dB DRV
Z2
BPF(140K-6MHz)
6dB DRV
6dB DRV
Q2014
MM1512
Y/C Mix
x a o
y
i
http://www.xiaoyu163.com
D E
8
C-DET
MMP
24MHz MAX
HDMI BOARD
(NAHDM-9114, SD-11 to 15)
12MHz MAX
HDAPY
Y
HDBCV
CVBS
HDAPB
CB HDBSC
Y
HDBSY
HDAPR
CR C
Q Q
3 7 6 3
75
75
75
Q2027
NJU7312AM
Analog switch
MMP
u 1 6 3
.
http://www.xiaoyu163.com
F G
2 4
9 9 8
Video Amp
Q2206
NJM2586AM
100MHz -3dB
6dB
6dB
6dB
MMP
Q2207 NJM2586A
100MHz -3dB
6dB
6dB
6dB
MMP
Video Amp
Q2012,Q2013
NJM2587V
LPF(12MHz)
6dB DRV
LPF(12MHz)
6dB DRV
LPF(12MHz)
6dB DRV
1 5 1 5 0 8 9 2 4
LPF(6MHz)
6dB DRV
LPF(6MHz)
6dB DRV
BPF(140K-6MHz)
6dB DRV
m
Video Signal Flow Analog example is Component Video except
Analog Analog
1
c o
(Through Mode)
HDMI HDMI
2
(Through Mode)
3 HDMI HDMI
Analog HDMI
4
DHC-9.9
H
2
9 9
COMPONENT VIDEO
Y
CB MONITOR OUT
CR
Y
MONITOR OUT 2
CB
/ ZONE 2 OUT
CR
COMPOSITE VIDEO
9 8 2 9 9
MONITOR OUT
VCR/DVR OUT
S VIDEO OUTPUT
C Y
MONITOR OUT
C Y
VCR/DVR OUT
COMPOSITE VIDEO
ZONE2 OUT
8
5 OSD HDMI
6 OSD Analog
Analog Analog
7
(Up-conversion)
8 Composite Composite