Pioneer VSX-1018AH-K, Service Manual

Page: 21 / 187

21
VSX-LX51
5 6 7 8
5 6 7 8
A
B
C
D
E
F
4.3 BLOCK DIAGRAM FOR VIDEO BLOCK
DET
Sync
C
TC74HC4051AFT
IC1202
+
+
C
Y
Y
C
Y
C
Y
C
C C
Y
Y Y
TC74HC4051AFT
IC1201
C N 102
11
C N 3601
C N 10 8
IC1006
17 22
13
PDC162A
+
+
+
IC1203
TC74HC4053AFT
LA7109
IC1205
+
C
Y
Y
C
16 14 20 1
8
C N 102
24
+
TC74HC4053AFT
+
IC1003
+
+
TC74HC4051AFT
IC1001
+
TC74HC4051AFT
IC1002
+
LA7109
IC1004
13
4
5
2
3
15
14
1
12
21 17
14 23
13
4
2
15
5
3
14
1
12
13
4
2
15
5
3
14
13
14 31
11 25
7
3
12
5
1
2
4
15
4 33
35 1
5
3
4
17
12
13
2
1
15
14
14
7
11
21
23
31
25
12
1
4
13
2
15
5
3
4
14
1
12
1
33
35
C V OUT
C Selector
D V R 2
6dB AMP
MUTE
MUTE
OUT
D V R 2
D V R 1
Y Selector
T V /SAT
D V D
to D V C
V IDEO
from D V C
OSD IC
for V ideo
Selector
D V R 2
Selector
Input
D V R 1
T V /SAT
Selector
for D V C/Through
MUTE
C
Y MUTE
OUT
D V R 1
MO N ITOR
OUT
from D V C
to D V C
for OSD/Through ( V SX-101 8 AH)
Selector
for D V C/Through ( V SX-LX51)
6dB AMP
MUTE
MUTE
OUT
MO N ITOR
OUT
D V R 1
D V D
MUTE
MUTE
Input Selector
for MR V ideo & OSD
OUT
D V R 2
ZO N E 2
OUT
• COMPOSITE BLOCK
FRONT-IN ASSY
INTERFACE ASSY
D
E
MAIN ASSY
B
• S-VIDEO BLOCK
9
10
11
9
10
11
51C
51B
51A
9
10
11
51C
51B
51A
9
10
11
S53ABC
9
10
11
51C
51B
51A
M51C
M51B
9
10
V 53C
V 53B
M51A
20
13
30
3
20
13
30
3
Buff
er
Buff
er
Buffer
LX51 Only
LX51 Only
101 8 AH Only
101 8 AH Only
101 8 AH Only
IC1271
MAI N