YORKVILLE Coliseum CA12, Service Schematics

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Title
Number Revision Size
A4
Date: 15-Feb-2006 Sheet of
File: D:\OTHER MODEL\MP1200\AMP1270.ddbDrawn By:
R
1
0
9
4
7
K
R101
1.5K
R103
56K
R105
10K
R107
4.7K
C103
56P
C101
4u7/50V
3
2
1
IC101A
4558
R
1
1
0
4
7
K
R102
1.5K
R106
10K
R108
4.7K
C104 56P
C102
4u7/50V
5
6
7
IC101B
4558
IN
P
U
T
R104
56K
L
IN
E
-1
R
1
1
4
2
.2
K
R115
220K
C111
56P
3
2
1
IC102A
4558
R
1
1
1
1
0
0
K
5
6
7
IC102B
4558
R
1
1
9
1
0
K
R120
15K
D102
1N4148
C112
100uF/25V
R116
4.7K
R
1
1
3
1
0
0
K
FC101
N.C
FC102
N.C
2
3
1
SW101A
5
6
4
SW101B
R
1
1
2
1
0
0
K
Q101
2N4401
R117
100
C109
4u7/50V
C105
10u/25V
C106
10u/25V
R
1
2
5
2
2
K
D105 1N4148
1
2
3
4
5
6
7
8
9
10
CNA102
CON10
1
2
3
4
5
6
7
8
9
10
11
12
CNA104
CON7
CLIP-1
POW-1
VCL-1
1
2
3
4
5
CNB01
CON5
BUS-L
BUS-R
MAIN BOARD 1OF 7
1 7
LHH
TO ZONE 1 AMPLIFIER
BOARD-A CNB103
TO VOLUME CONTROL
CLOCK
Clock
POWER.1
R-CH.1
L-CH.1
D107
1N4148
+15V
-15V
8
4
IC102C
4558
8
4
IC101C
4558
C107
100uF/25V
C108
100uF/25V
+15V
-15V
+15V
-15V
TO BUS LINE BOARD CNA01
L-IN.1
R-IN.1
127S01.SCH
BUS PW
C110
10u/25V
D
1
0
1
1
N
4
1
4
8
Q103
2N4401
D111
1N4148
CLIP.1
D106
1N4148
BUS-L
BUS-R
D
1
0
9
1
N
4
1
4
8
OutA
2
VCC
1
VREF
5
IN-A
3
Sense
6
SW
7
INT
4
IN-B
8
OutB
9
GND
10
IC104
NJM2761
3
2
4
IC105A
SSM2164
3
2
9
7
8
4
5
1
6
JK103
3
2
1
IC103A
TL072
R137
30K
C119 100P
R
1
3
3
3
0
K
C117
1uF/50V
R135
499
C115
560P
6
7
5
IC105B
SSM2164
5
6
7
IC103B
TL072
R138
30K
C120 100P
R
1
3
4
3
0
K
C118
1uF/50V
R136
499
C116
560P
+5V
8
4
IC103C
TL072
C128
0.22uF/50V
C129
22uF/25V
R139
5.1K
2
3
1
SW102A
+15V
R121
220
Q102
2N4403
R
1
2
3
4
7
K
R122
4.7K
D
1
0
3
1
N
4
1
4
8
C113
100u/25V
+15V
D104
1N4148
RESET
reset
+15V
CLIP-2
POW-2
VCL-2
CLIP-3
POW-3
VCL-3
VCR-1
VCR-2
VCR-3
R118
220K
+15V
VCL-1
VCR-1
VCL-2
VCR-2
POW-3
CLIP-3
VCL-3
VCR-3
CLIP-2
POW-2
VCL-1
VCR-1
JK101A
JK101B
BOARD CNA702
V
-
9
G
N
D
8
V
+
1
6
M
o
d
e
1
IC105E
SSM2164
R
1
2
6
7
.5
K
C121
0.1uF
C122
0.1uF
+15V -15V
+5V
+15V
VCA-L
Clock
LCH-O
RCH-O
-15V
VCA-R
GND
CLIP
POWER
R124
15K
D108
1N4148
MUTE
LIMITER SW
OFF
ON
R140
1K
REMOTE VOLUME
C
1
2
6
0
.2
2
u
F
/5
0
V
C
1
2
5
0
.2
2
u
F
/5
0
V
C123
0.22uF/50V
C124
0.22uF/50V
C127
0.022uF/50V
CLIP-1
POW-1
1 3
2
VR101
B50K
1 3
2
VR102
B50K
R141
10
ZD101
N.C
R
1
4
2
4
7
K
C
1
3
0
0
.1
u
F
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