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:
C716
0.1uF
VSSA VDDA
Z
D
7
0
1
5
.6
V
R713
5.6K
C709
0.47uF
R715
5.6K
C711
0.47uF
C713
330P
R716
5.6K
C712
0.47uF
R714
5.6K
C710
0.47uF
C714
330P
BTL
STEREO
C
7
2
9
0
.0
1
5
u
F
R
7
1
9
4
R
7
C
7
3
0
0
.0
1
5
u
F
L702
30uH
C734
0.47uF
R722
22R 1W
C
7
3
6
0
.1
u
F
/5
0
V
R
7
2
0
4
R
7
L701 30uH
R721
22R 1W
C
7
3
5
0
.1
u
F
/5
0
V
C733
0.47uF
OUT1
16
IN2+
5
SGND1
11
IN1-
9
SGND2
2
V
S
S
A
2
1
OUT2
21
S
T
A
B
1
8
Boot2
22
V
D
D
A
2
3
V
S
S
P
1
1
7
IN1+
8
V
S
S
D
2
4
V
S
S
A
1
1
2
Boot1
15
O
S
C
7
V
D
D
A
1
1
0
IN2-
4
M
O
D
E
6
V
D
D
P
1
1
4
P
R
O
T
1
3
V
D
D
P
2
2
3
H
W
1
9
V
S
S
P
2
2
0
IC703
TDA8920TH
C715
0.1uF
C726
0.1uF
C724
0.1uF
VSSP VDDP
C725
0.1uF
C720
0.1uF
VSSP VDDP
GND
C721
0.1uF
VSSA VDDA
C722
0.1uF
C
7
2
8
0
.1
u
F
C
7
2
7
2
2
0
P
F
VSSP
2
3
1
SW701A
5
6
4
SW701B
C
7
3
7
2
2
0
P
F
C719
0.1uF
C718
0.1uF
L703
BEAD
L704
BEAD
VDDP
VSSP
VDDA
C741
470u/35V
C742
470u/35V
C
7
4
3
4
7
u
/6
3
V
+25V
-25V
GND
C740
0.1uF
C739
0.1uF
3
2
1
IC701A
4558
R709
10K
5
6
7
IC701B
4558
R701
20K
R703
20K
R711
10K
C701
0.22uF/50V
5
6
7
IC702B
4558
R704
20K
R702
20K
C702
0.22uF/50V
3
2
1
IC702A
4558
R712
10K
R710
10K
1
2
3
4
5
6
7
8
9
10
CNA702
CON10
+15V
GND
Clock
L-CH-IN
R-CH-IN
-15V
GND
R
7
1
7
1
K
-15V
8
4
IC701C
4558
C703
100uF/25V
C704
100uF/25V
8
4
IC702C
4558
Clock
R-CH
POWER AMPLIFIER
GND
1
2
3
CNA701
CTL-3
MAP1270A.SCH
CHANNEL
4OHM +70V
CLIP
CLIP
R723
1K
OPERATION
+15V
POWER
L-CH
POWER
+15V
-15V
R733
2.2K
R731
2.2K
R732
2.2K
R734
2.2K
OUT-2
OUT-1
VSSA
+70V
1
2
3
4
5
6
JK701
SCTL-6
+4 OHM
-NEG
-NEG
+70V
+4 OHM
SHANNEL-R
CHANNEL-L
S702
SW2P2T-L
CHANNEL
4OHM +70V
Q702
2N4401
R726
47K
D704
1N4148
R730
6.98K
C748
10u/25V
R728
28K
OUT-2
OPERATION
Q701
2N4401
R725
47K
D703
1N4148
R729
6.98K
C747
10u/25V
R727
28K
OUT-1
C
7
4
6
1
0
0
u
F
/2
5
V
C
7
3
2
2
2
0
P
F
C
7
3
8
2
2
0
P
F
C
7
3
1
2
2
0
P
F
VSSP
R706
10R
R705
10R
VSSP VDDP
VSSP VDDP
VSSA
GND
GND
GND
GND
GND
C751
0.1uF
C752
0.1uF
GND
C753
0.1uF
C754
0.1uF
GND
HEAT SINK
T702
T701
R
7
3
6
1
0
R
C
7
5
6
2
2
0
P
F
R735
10R
C755
220PF
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