YORKVILLE Coliseum CA12, Service Schematics

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Title
Number Revision Size
A3
Date: 15-Feb-2006 Sheet of
File: D:\OTHER MODEL\MP1200\AMP1270.ddb Drawn By:
R11
470
R
1
0
4
7
K
B
U
S
O
U
T
P
U
T
JK01B
R03
56K
R01
1.5K
R05
10K
R07
4.7K
C03 56P
C01
4u7/50V
3
2
1
IC01A
4558
JK01A
R
0
9
4
7
K
R02
1.5K
R06
10K
R08
4.7K
C04 56P
C02
4u7/50V
5
6
7
IC01B
4558
IN
P
U
T
L-CH
R-CH
R04
56K
JK03A
FC3
PAD
JK03B
R12
470
FC4
PAD
L-CH
R-CH
B
U
S
8
4
IC01C
4558
FC2
PAD
FC1
PAD
1
3
2
VR402
B50K
F
R
-G
A
IN
C05
10u/25V
C06
10u/25V
C07
33uF/25V
C08
33uF/25V
1
3
2
VR401
B50K
F
L
-G
A
IN
ZONE -4
1 2 3 4 5
C
N
A
0
1
C
O
N
5
B
U
S
-L
B
U
S
-R
G
N
D
+
1
2
V
-1
2
V
BUS LINE IN/OUT JACK BOARD 1270S08.SCH
VOLUME CONTROL BOARD
R
4
4
3
4
K
7
+15V
LED401
RED/GREEN
G
R
E
E
N
:P
O
W
E
R
O
N
R
E
D
:C
L
IP
1
2
3
4
5
6
7
8
9
10
11
12
CNB105
CON12
CLIP-4
POW-4
VCL-4
BOARD-A CNA104 TO MAIN
CLIP-5
POW-5
VCL-5
CLIP-6
POW-6
VCL-6
VCR-4
VCR-5
VCR-6
VCL-4
VCR-4
VCL-5
VCR-5
POW-6
CLIP-6
VCL-6
VCR-6
CLIP-5
POW-5
+5V +5V
1
3
2
VR502
B50K
F
R
-G
A
IN
1
3
2
VR501
B50K
F
L
-G
A
IN
ZONE - 5
R
5
4
3
4
K
7
+15V
LED501
RED/GREEN
G
R
E
E
N
:P
O
W
E
R
O
N
R
E
D
:C
L
IP
+5V +5V
1
3
2
VR604
B50K
F
R
-G
A
IN
1
3
2
VR603
B50K
F
L
-G
A
IN
ZONE - 6
R
6
4
3
4
K
7
+15V
LED601
RED/GREEN
G
R
E
E
N
:P
O
W
E
R
O
N
R
E
D
:C
L
IP
+5V +5V
CLIP-4
POW-4
1
3
2
VR102
B50K
F
R
-G
A
IN
1
3
2
VR101
B50K
F
L
-G
A
IN
ZONE - 1
R
1
4
3
4
K
7
+15V
LED101
RED/GREEN
G
R
E
E
N
:P
O
W
E
R
O
N
R
E
D
:C
L
IP
1
2
3
4
5
6
7
8
9
10
11
12
CNB104
CON12
CLIP-1
POW-1
VCL-1
BOARD-A CNB103 TO MAIN
CLIP-2
POW-2
VCL-2
CLIP-3
POW-3
VCL-3
VCR-1
VCR-2
VCR-3
VCL-1
VCR-1
VCL-2
VCR-2
POW-3
CLIP-3
VCL-3
VCR-3
CLIP-2
POW-2
+5V +5V
1
3
2
VR202
B50K
F
R
-G
A
IN
1
3
2
VR201
B50K
F
L
-G
A
IN
ZONE - 2
R
2
4
3
4
K
7
+15V
LED201
RED/GREEN
G
R
E
E
N
:P
O
W
E
R
O
N
R
E
D
:C
L
IP
+5V +5V
1
3
2
VR302
B50K
F
R
-G
A
IN
1
3
2
VR301
B50K
F
L
-G
A
IN
ZONE -3
R
3
4
3
4
K
7
+15V
LED301
RED/GREEN
G
R
E
E
N
:P
O
W
E
R
O
N
R
E
D
:C
L
IP
+5V +5V
CLIP-1
POW-1
1 2 3
C
W
0
1
C
O
N
3
1 2 3
C
P
0
1
C
O
N
3
1 2 3 4
CNB02
CON5
1 2
CNA03
CON2
+15V
BUS-PW
+
5
V
G
N
D
+
5
V
G
N
D
+
1
5
V
TO POWER SW TO MAIN BOARD CNA105
1
2
3
4
JK02
SPKJ4P
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