Pioneer SC-LX72, Service Manual

Page: 31 / 236

31
SC-LX82
5 6 7 8
5 6 7 8
A
B
C
D
E
F
4.6 BLOCK DIAGRAM for ANALOG VIDEO BLOCK (3/4)
M
A
IN
SEL
CSW1
CSW2
OUTPUT
L
L
INPUT1
L
H
INPUT3
H
L
INPUT2
HH C_MUTE C53ABC
COMPONENT MUTE
Z2CMUTE
MR COMPONENT MUTE
L
ACTIVE
L
HDMI(DVC)OUT PUT
H
THROUGH OUTPUT
DSW1
OUTPUT to D TERM
Control by EMMA EXP4-D2 EXP4-D0 B to B from COMPOSITE_S Assy
L
INPUT2
H
INPUT1
D53ABC L
D-TERM
H
COMPONENT/DVC-ON
DINH
D Line INH
L
ACTIVE
H
NO OUTPUT
L
ACTIVE
D-TERM
L
L
INPUT1
L
H
INPUT3
H
L
INPUT2
H
H
INPUT DVC
LL
C
V
B
S
LH
S
H
L
COMPONENT
HH
N
O
D
V
C
Z2CSW2
OUTPUT
Z2CSW1
E2VINSW01
OUTPUT
E2VINSW00
V
V
O
U
T
M
S
E
L1B
VYO
U
T
M
SEL
1
E2
VI
N
SW0
0
E2
VI
N
SW0
1
CS
W
1
CS
W
2
CMUTE
C53ABC
DV
C
DV
C
Z2
C
S
W
1
Z
2
CM
UT
E
DV
C
Z2
C
S
W
2
DINH
D ter
mi
nal
CM
UT
E
D53B
DS
W
1
IC9003
DINH DS
W
1
DIGITAL MAIN Assy
IC
6001
IC
6003
Cb Cb Cr
SUB
SEL
1
IN
H B
A
T
C
74LVX4052
F
T
12 14 15 11
4 2 5 1
9
10
3
13
6
SUB
SEL
1
IN
H B A
T
C
74LVX4052
F
T
12 14 15 11
4 2 5 1
9
10
3
13
6
EMMA
IN
1
IN
3
IN
2
IN
1
IN
2
MONITOR
OUT
ZONE2
OUT
MONITOR
OUT
IC
6002
IC
6004
IC
6005
MA
IN
SEL2
D/COMP
SEL
IN
H
B A
T
C
74LVX4053F
T
C
10
9
11
4
15 14
13
3
12
5 1 2
6
MA
IN
SEL
1
Y
IN
H
B A
T
C
74LVX4052
12 14 15 11
4 2 5 1
9
10
3
13
6
Cr
Li
ne
SEL
IN
H B A
T
C
4053BF
N
C
10
9
11
4
14 15
5 2 3 1
12 13
6
DVC/JPEG (SD/ED,GUI)
NJ
M
2
581M
NJ
M
2
581M
NJ
M
2
581M
TC74LVX4053FT
Po
w
e
rs
a
v
e
IC
6007
Po
w
e
rs
a
v
e
IC
6008
MA
IN
SEL
1
IN
H B A
T
C
74LVX4052
F
T
12 14 15 11
4 2 5 1
9
10
3
13
6
Y
SEL
IN
H
C B
12
A
T
C
74LVX4051F
T
13
4 5 2
15 14
1
11 10
9
3
6
CDET
IC
6014
EN
ABL
E
1
1
3 4
EN
ABL
E
+6
d
B
+6
d
B
3
1
1 2
EN
ABL
E
EN
ABL
E
EN
ABL
E
EN
ABL
E
EN
ABL
E
EN
ABL
E
EN
ABL
E
9
5 6
1
1
3 4
3
1
1 2
9
5 6
Y
Po
w
e
rs
a
v
e
IC9005
1
1
3 4
3
1
1 2
9
5 6
COMPOSITE_S Assy
Li
ne
SEL
IN
H B A
T
C
4053BF
N
C
10
9
11
4
14 15
5 2 3 1
12 13
6
IC9002
IC
9001
+6
d
B
+6
d
B
+6
d
B
+6
d
B
+6
d
B
+6
d
B
+6
d
B
14
4
11 10
9 6
15
2 1
13 12
3 5
SUB SEL
DVC SEL
COMPONENT ASSY
E
G
H