Yamaha MG12/4FX Service Manual page 72

Y X W V U
Q Q
1
3 7 6 3 1 5 1 5 0
OVERALL CIRCUIT DIAGRAM
to page 7:P8
2
3
4
to JACK-CN571
(to Page 5)
5
6
7
8
T E
L 1 3 9 4 2 2 9 6 5 1 3
9
10
11
to JACK-CN771
(to Page 5)
12
13
14
15
w w w
16
28CC1-8831143-1
17
6
T S R Q P O
（総回路図） 3/9 (MAIN)
OP AMP
OP AMP
OP AMP
OP AMP
x a o
. i
N M L K J
http://www.xiaoyu163.com
OP AMP
Q Q
3 7
OP AMP
u 1 6 3
y
http://www.xiaoyu163.com
I H G F E
2 4
8 9 9
OP AMP
6 3 1 5 1 5 0 8 9
OP AMP
m
c o
.
: Ceramic Capacitor ( セラミックコンデンサー )
: Mylar Capacitor ( マイラーコンデンサー )
D C B A
2
8 9 9
MG12/4FX
to page 7:B3,8:B2,9:K11
,10:V15,11:A4
to page 7:B4,8:B2,9:J11
,10:T15,11:A6
to page 7:B4,8:B3,9:O11
to page 7:B4,8:B3,9:M11
to page 7:B4,8:B4,9:I11
,11:E7
to page 7:B4,8:B4,9:G11
to page 7:B5,8:B5
,10:Q15,11:E8
to page 7:B5,8:B5
,10:P15,11:E10
to page 10:N15,11:A10
2 4 9 8 2 9 9