Integra DTR-7.8 Service Manual page 9

A B
BLOCK DIAGRAMS-2
VIDEO SECTION
1
VIDEO BOARD
NAVD-9052(SD-6)
COMPONENT VIDEO INPUT
Y1
CB1
IN 1
CR1
Y2
IN 2 CB2
2 CR2
Y3
IN 3 CB3
CR3
COMPOSITE VIDEO INPUT
DVD
VCR/DVR
CBL/SAT
3
GAME/TV
AUX 1
74HC4051
AUX 2
6 ch Multiplexer
(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.
5
<Note>
Refer to SCHEMATIC DIAGRAM-6, -15 and -18 (SD-6, SD-15 and SD-18)
for video and HDMI signal waveforms.
C
Video Switch
Q2201 NJW1321
.
6dB
Y
.
6dB
.
6dB
CB
.
6dB
.
6dB
CR
.
6dB
6 ch Video Amp
Q2006
Q2012,Q2013 NJM2587
74HC4051
MAIN
LPF(12MHz)
6dB DRV
Z2
LPF(6MHz)
6dB DRV
Q2007
74HC4051
Q2008
74HC4051
MAIN
LPF(12MHz)
6dB DRV
S-DET
MMP
Z2
LPF(6MHz)
6dB DRV
Q2009
Z2 S-DET
74HC4051
Q2010
74HC4051
MMP
MAIN
LPF(12MHz)
6dB DRV
Z2
BPF(140K-6MHz)
6dB DRV
6dB DRV
Q2014 MM1512
Y/C Mix
Q2011
74HC4051
D E
C-DET
MMP
24MHz MAX
HDMI BOARD
12MHz MAX
HDAPY
Y
NAHDM-9107 HDBCV
CVBS
(SD-15, SD-16)
HDAPB
CB HDBSC
Y
HDBSY
HDAPR
CR C
75
75
75
Q2027
NJU7312AM
Analog Function
Switch
MMP
F G
6 ch Video Amp
Q2206 NJM2586A
100MHz -3dB
6dB
6dB
6dB
MMP
Q2207 NJM2586A
100MHz -3dB
6dB
6dB
6dB
MMP
6 ch Video Amp
Q2012,Q2013 NJM2587
LPF(12MHz)
6dB DRV
LPF(12MHz)
6dB DRV
LPF(12MHz)
6dB DRV
LPF(6MHz)
6dB DRV
C
LPF(6MHz)
6dB DRV
C
BPF(140K-6MHz)
6dB DRV
DTR-7.8
H
COMPONENT VIDEO OUTPUT
Y
CB MONITOR OUT 1
CR
Y
MONITOR OUT 2
CB
/ ZONE 2 OUT
CR
COMPOSITE VIDEO OUTPUT
MONITOR OUT
VCR/DVR OUT
S VIDEO OUTPUT
Y
MONITOR OUT
Y
VCR/DVR OUT
COMPOSITE VIDEO OUTPUT
ZONE 2 OUT