Block Diagram -Video Select Section - Sony HS-MB1 Service Manual

4-3. BLOCK DIAGRAM – VIDEO SELECT Section –
CN501
2 Pb+1
1 Pb-1
6 Y+1
3
SOURCE 1 Y-1
8
Pr+1
E
7 Pr-1
CN503
2 Pb+2
1
Pb-2
6
Y+2
3
SOURCE 2 Y-2
8 Pr+2
E
7
Pr-2
INPUT
CN504
2 Pb+3
1
Pb-3
6
Y+3
3
SOURCE 3 Y-3
8 Pr+3
E
7
Pr-3
CN506
2 Pb+4
1
Pb-4
6 Y+4
3
SOURCE 4 Y-4
8
Pr+4
E
7 Pr-4
HS-MB1
Pb-Y VIDEO SELECT
IC500
Pb+1
1 IN1 OUT1 28
Pb-1
2 IN2 OUT2 27
Pb+2
3 IN3 OUT3 26
Pb-2
4 IN4 OUT4 25
Pb+3
5 IN5 OUT5 24
Pb-3
6 IN6 OUT6 23
Pb+4
9
IN7 OUT7 20
Pb-4
10 IN8 OUT8 19
17 16 15
Y VIDEO SELECT
IC501
Y+1
1 IN1 OUT1 28
Y-1
2 IN2
OUT2 27
Y+2
3 IN3 OUT3 26
Y-2
4 IN4
OUT4 25
Y+3
5 IN5 OUT5 24
Y-3
6 IN6
OUT6 23
Y+4
9 IN7 OUT7 20
Y-4
10 IN8 19
OUT8
17 16 15
Pr-Y VIDEO SELECT
IC502
Pr+1
1 IN1
OUT1 28
Pr-1
2 IN2 OUT2 27
Pr+2
3 IN3
OUT3 26
Pr-2
4 IN4 OUT4 25
Pr+3
5 IN5
OUT5 24
Pr-3
6 IN6 OUT6 23
Pr+4
9
IN7 OUT7 20
Pr-4
10 IN8 OUT8 19
17 16 15
6 7 25 24 23
FMS6501_COMPONENT
SYSTEM CONTROL
IC100 (3/7)
13
+10V REG
1
+19V_WALL
+10V REG
+19V_WALL 1
+10V REG
+19V_WALL 1
+10V REG
+19V_WALL 1
13
CN500
Pb+1 2
Pb-1 1
Y+1 6
3
Y-1
8
Pr+1
ZONE 1
Pr-1 7
F
+11V DC 5
3
IC506
CN502
Pb+2 2
Pb-2 1
Y+2 6
3
Y-2
8
Pr+2
ZONE 2
Pr-2 7
F
+11V DC
5
3
IC507
OUTPUT
CN505
Pb+3 2
Pb-3 1
Y+3 6
3
Y-3
8
Pr+3
ZONE 3
Pr-3 7
F
+11V DC
5
3
IC508
CN507
Pb+4 2
Pb-4 1
Y+4 6
3
Y-4
Pr+4 8
ZONE 4
Pr-4 7
F
+11V DC
5
3
IC509
HS-MB1