27
SC-27
5
6
7
8
5
6
7
8
A
B
C
D
E
F
4.4 BLOCK DIAGRAM FOR ANALOG VIDEO BLOCK (1/4)
IC
6514
IC
6502
V
IDEO AMP
IC
6501
I
N
H
I
N
H
I
N
H
I
N
H
MAI
N
SEL1
MAI
N
SEL2
ZO
N
E2
SEL1
ZO
N
E3
SEL1
IC
6511-
1
V
MUTE
51A
51B/
51C
51B
MRS
W
51C
*C
om
m
on w
it
h S
*C
om
m
on w
it
h S
IC
6502
TC74HC4051AFT
TC74HC4053AFT
LA7109
TC74HC4051AFT
TC74HC4051AFT
Z2
V
S
W
1
Z2
V
S
W
2
Z2
V
S
W
3
IN
PUT SELECTOR
C
o
m
p
o
s
ite
/S
C
o
m
m
o
n
C
o
m
p
o
s
ite
/S
C
o
m
m
o
n
51A
,51B
,51C
Z2
V
S
W
1,2,3
IC
6503
Z3
V
S
W
1,2,3
AO
N
CB
L0
1
3
(
N
o used)
LL
H1
1
4
D
V
R/
V
CR1
LL
L2
1
5
V
IDEO1
LH
AO
N
CB
L
0X,0Y,0Z 1X,1Y,1Z
12,2,5
13,1,3
D
V
C
LL
H
THROUGH
HH
H3
1
2
D
V
D
LH
L4
1
T
V
/SAT
HL
H
5
5
iPod
V
IDEO
HL
L
6
2
OSD(ZO
N
E only)
HH
L7
4
V
IDEO2
HH
V
ID
EO MUTE
V
MUT
E
L
ACTI
V
E
Z3
V
S
W
1
D
V
C/
THROUGH SEL
ECTOR
MRS
W
Z3
V
S
W
2
Z3
V
S
W
3
COMPO
N
E
N
T Assy
DIGITAL MAI
N
Assy
D
V
D
T
V
/SAT
D
V
R1/
V
CR1
V
IDEO2
MO
N
ITOR OUT
D
V
R1/
V
CR1 OUT
V
IDEO1
35
OSD IC
PDC162A
Y/C MIX
MM1511X
N
iPod
V
IDEO
VV
OUTMSEL1B
V
COUTD
V
C
EMMA
V
YOUTD
V
C
12
6
3
10
11
B
A
C
B
A
C
B
A
C
9
6
3
10
11
9
1
14
15
5
2
4
13
12
1
14
15
5
2
4
13
B
A
C
6
3
10
11
9
12
1
14
15
5
2
4
13
2
6
1
3
4
30
7
11
13
14
20
17
35
+6dB
+6dB
+6dB
+6dB
+6dB
+6dB
33
31
25
23
21
15
4
14
10
9
11
1
5
3
12
13
Z OUT Assy
ZO
N
E2 OUT
ZO
N
E3 OUT
Z2
V
S
W
1/
Z2
V
S
W
2/
Z2
V
S
W
3
Z3
V
S
W
1/
Z3
V
S
W
2/
Z3
V
S
W
3
IC
6513
V
IDEO AMP
+6dB
12
11
3
4
2
13
10
5
+6dB
N
JM2279
MUTE2
MUTE1
E
N
ABLE
E
N
ABLE
E
N
ABLE
E
N
ABLE
S
W
1
S
W
2
COMPOSITE_S ASSY
•
COMPOSITE BLOCK
E
H
G
AC