Video Section - Integra DTR-7.8 Service Manual

A
QQ
3 7 63 1515 0
BLOCK DIAGRAMS-2

VIDEO SECTION

1
COMPONENT VIDEO INPUT
2
COMPOSITE VIDEO INPUT
TE
L 13942296513
3
S VIDEO INPUT
4
www
5
.
<Note>
Refer to SCHEMATIC DIAGRAM-6, -15 and -18 (SD-6, SD-15 and SD-18)
for video and HDMI signal waveforms.
http://www.xiaoyu163.com
B
VIDEO BOARD
NAVD-9052(SD-6)
Y1
CB1
IN 1
CR1
Y2
CB2
IN 2
CR2
Y3
IN 3 CB3
CR3
DVD
VCR/DVR
CBL/SAT
GAME/TV
AUX 1
74HC4051
AUX 2
6 ch Multiplexer
(FRONT)
C Y
DVD
C Y
VCR/DVR
C Y
CBL/SAT
C
Y
GAME/TV
C Y
AUX 1
C Y
AUX 2
(FRONT)
NOTE
MMP is short for MAIN MICROPROCESSOR.
x ao
y
i
http://www.xiaoyu163.com
8
6 ch Video Amp
Q2006
Q2012,Q2013 NJM2587
74HC4051
MAIN
LPF(12MHz)
Q Q
3 6 7 1 3
Z2
LPF(6MHz)
Q2007
74HC4051
Q2008
74HC4051
MAIN
LPF(12MHz)
Z2
LPF(6MHz)
Q2009
74HC4051
Q2010
74HC4051
MAIN
LPF(12MHz)
Z2
BPF(140K-6MHz)
Q2011
74HC4051
u163
.
C
2 9 9 4 2 8
Video Switch
Q2201 NJW1321
6dB
6dB
6dB
6dB
6dB
6dB
6dB DRV
1 5 0 5 8 2 9 9 4
6dB DRV
6dB DRV
S-DET
MMP
6dB DRV
Z2 S-DET
MMP
6dB DRV
6dB
6dB DRV
Q2014 MM1512
Y/C Mix
m
co
DTR-7.8
D
9 9
C-DET
.
MMP
Y
.
.
CB
.
.
CR
.
HDAPY
Y
HDAPB
CB
HDAPR
CR
2 8 9 9
DRV