Yamaha MLA8 Servise Manual page 40

X W V U T
HAJK 1/4, 4/4 CIRCUIT DIAGRAM 1/4 (MLA8)
Q Q
3 7 6 3 1 5 1 5 0
OFF
+48V (PHANTOM)
to IN-CN102 (2)
OFF
+48V (PHANTOM)
T E
L 1 3 9 4 2 2 9 6 5 1 3
to IN-CN102 (3)
OFF
+48V (PHANTOM)
OFF
+48V (PHANTOM)
w w w
.
28CC1-8830825
1
S R Q P O
to IN-CN102 (1)
OP AMP
ON
ON
ON
ON
x a o
y
i
to IN-CN102 (4)
N M L K J
http://www.xiaoyu163.com
8
HAJK 1/4
GAIN
GAIN
Q Q
3 7 6 3
GAIN
GAIN
u 1 6 3
.
1/4: K2
http://www.xiaoyu163.com
I H G F E
2 4
9 9 8
to IN-CN103 (1)
to HAJK 2/4-CN108
to IN-CN103 (2)
1 5 1 5 0 8 9 2 4
to PS 1/2-CN102
to IN-CN103 (3)
to HAJK 2/4-CN308
to IN-CN103 (4)
m
c o
Note : See parts list for details of circuit board component parts.
: Monolithic Ceramic Capacitor
HAJK 1/4, 4/4 CIRCUIT DIAGRAM 1/4 (MLA8)
D C B A
MLA8
1
2
9 9
2
3
HAJK 4/4
4
POWER
5
6
7
8
9 8 2 9 9
9
10
11
12
13
14
15
16
17