1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
2
1
3
4
MIC1
CN-BAL-MALE
Z
D
3
1
2
V
1
W
Z
D
1
1
2
V
1
W
Z
D
4
1
2
V
1
W
Z
D
2
1
2
V
1
W
R1
15K
R2
15K
R
5
7
.5
K
R4
7.5K
R6
2.2K
C
6
2
2
P
C3
22P
C4
22P
C5
22P
C
1
4
0
.0
1
u
F
/4
0
0
V
R
1
6
1
0
E
1
2
3
SW1A
SW PS-22E85L
4
5
6
P
SW1B
SW PS-22E85L
1
2
3
VR1
B10K
R8
10K
R9 10K
C12
47P
R10
10K
C13
47P
R25
6K8
R24
6K8
C
3
2
4
7
0
u
/2
5
V
S
L
L
C
3
3
4
7
0
u
/2
5
V
S
L
L
C
2
2
0
.1
u
C
2
3
0
.1
u
+8V
-8V
X1
X2
X
3
1
2
3
4
5
6
MIC2
XLR
HIGH INPUT
+4dB
L1
FL5R
L2
FL5R
C7
47u/25V
C
8
4
7
u
/2
5
V
C9
47u/25V
R15
4.7K
R13
3.9K
R12
6.8K
C11
47u/25V
B
C
E
TR1
C1815
A
K
DL1
CLIP
C1
0.22UF
C2
0.22UF
D2
1N4148
A
A
K
K
D1
1N4148
3
3
4
4
2
2
1
1
D3
LED-RES
+8V
C
2
4
0
.1
u
C
2
5
0
.1
u
C
2
6
0
.1
u
C
2
7
0
.1
u
C
2
8
0
.1
u
C
2
9
0
.1
u
C
3
0
0
.1
u
C
3
1
0
.1
u
NOCTH+LOW BOOST+LOW PASS
NOCTH+LOW BOOST+LOW PASS
HF TRIM+HIGH PASS
HF TRIM+HIGH PASS
R7
0R
1
2
3
4
8
+
_
U1A
7
6
5
+
_
U1B
1
2
3
4
8
+
_
U2A
1
2
3
4
8
+
_
U3A
7
6
5
+
_
U3B
7
6
5
+
_
U2B
+8V
-8V
+8V
-8V
+8V
-8V
D100 1N4148
D101 1N4148
C100
10uF/50V
C101
2.2uF/50V
C102
220uF/25V
R103
100K
R100
4.7K 1/4W
R101
22K
R102
2.2K 1/4W
ZD1
NC
Q100
2SA1015
+8V
R104
100K
R105
200R
B
1
C
2
E
3
Q101
2SC2878
D102
1N4148
R106
200R
B
1
C
2
E
3
Q102
2SC2878
D103
1N4148
LOW-OUT
HIGH-OUT
-8V
+8V
R107
3k
1
2
CN2
A
K
DL2
power
ZD2
0R
POWER ON/OFF MUTE
MS10MA/MS12MA-PRE
MS10MA/MS12MA
VER061212
1
4
Titel
Size
Date
File
Model NO:
A3
5-Feb-2007
MS12MA.sch
Revision
Sheet
of
Drawn By
XiaoPingHuang
ENCODER
ENCODER.SCH
INPUT-ENCORDER
MS10MA/MS12MA-PRE(1/4)
+8V
-8V
1
2
3
CN1
D304
1N4002
D305
1N4002
C317
220UF/25V
C318
220UF/25V
Vin
1
G
N
D
2
+8V
3
U304
LM7808CT
Vin
2
G
N
D
1
-8V
3
U305
LM7908CT
C315
0.1u
C316
0.1u
A
A
K
K
D307
1N5817
D306
1N5817
C331
47UF/25V
C319
0.1u cer
C332
47UF/25V
C320
0.1u cer
R318
68R 1W
R319
68R 1W
+8V 150mA MAX
-8V 150mA MAX
10
Summary of Contents for MS10MA
Page 1: ...www altoproaudio com Version 1 0 MODEL MS8MA MS10MA MS12MA ...
Page 23: ...21 ...
Page 24: ...PCB MS12A 15A Bottom Layer Bottom Solder PCB MS12A 15A Top Layrer 22 ...
Page 25: ...23 ...
Page 26: ...20 1 24 ...
Page 27: ...20 2 25 ...
Page 28: ...20 3 26 ...
Page 29: ...20 7 27 ...