Alto MS8MA Service Manual page 13

1
D
OUTPUT-TO-LOW
FROM A-SPACE OUTPUT LOW
C
B
A
1
2
R26 R27 R58 R28
2K 2K 7.5K 2K
R40
10K
C36 22PF
R31
100K
-8V
C34
15NF 2
U5A
3
C35 R42
15NF 10K
+8V
U6B
6 _
R45
5
+
10K
C44
3.3NF
2
11
C37 22PF
R32
100K 10K
R41
R43
1 6 _ U5B
7
10K
5
+
-8V
U7A
2
1 6
R46
7 3
R47
5
10K
10K
+8V
C45 C46
3.3NF 3.3NF
+8V
C49 C51 C53
0.1UF 0.1UF 0.1UF
C50 C52 C54
0.1UF 0.1UF 0.1UF
-8V
3
MS10MA/MS12MA-PRE(2/4)
U7B
_
R62 R63
7
100 0R
+
R37 R68
100K NC
Titel MS10MA/MS12MA-PRE
Size Model NO:
MS10MA/MS12MA
A3
Date 5-Feb-2007
File
NOCTH+LOW BOOST+LOW PASS
3
4
D
C
LOW-OUT
CN2
1
2
B
A
Revision
VER061212
Sheet of
2 4
Drawn By XiaoPingHuang
4