Onkyo TX-SR55 Service Manual page 10

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A
B
BLOCK DIAGRAM
Video section
COMPONENT VIDEO INPUT
Y1
1
CB1
CR1
Y2
CB2
CR2
2
Y3
CB3
CR3
3
SDET*{OSD+(OSD*SI)}
COMPOSITE VIDEO INPUT
DVD
VIDEO1
NJM2595
6dB
VIDEO2
6dB
6dB
VIDEO3
4
VIDEO4
S VIDEO INPUT
C
Y
DVD
NJM2595
C
Y
6dB
VIDEO1
6dB
Y
C
Y
6dB
VIDEO2
5
C
Y
NJM2595
6dB
VIDEO3
6dB
C
C
Y
6dB
VIDEO4
C
OSD
0dB
LC74763-9836
SDET*{OSD+(OSD*SI)}
DIGITAL VIDEO DECODER
ADV7183A
AIN1
Y1
-6dB
AIN2
COMPOSITE / Y2
-6dB
AIN3
COMPOSITE
-6dB
AIN4
C1
-6dB
AIN5
C2
D
E
A
OSD*(SDET+SI)
LA7106M
SDET*OSD
LA7106M
SDET*{OSD+(OSD*SI)}
DIGITAL VIDEO ENCODER
6dB
ADV7172
SDET*{OSD+(OSD*SI)}
Y
DACA
6dB
CB
DACB
SDET*{OSD+(OSD*SI)}
CR
DACC
6dB
V
DACD
Y
DACE
C
DACF
F
G
B
COMPONENT VIDEO OUTPUT
COMPOSITE VIDEO OUTPUT
SDET*{OSD+(OSD*SI)}
SDET*OSD
SDET*OSD
TX-SR55
H
Y
CB
CR
MONITOR
VIDEO1
VIDEO2
S VIDEO OUTPUT
C
Y
MONITOR
C
Y
VIDEO1
C
Y
VIDEO2

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