Akai MPK25, Service Manual

Page: 13 / 35

C
O
F
S
H
EE
T
:
S
IZ
E
:
R
E
V
:
D
A
T
E
D
:
D
A
T
E
D
:
D
R
A
W
N
:
R
E
L
E
A
S
E
D
:
S
C
A
L
E
:
F
IL
E
N
A
M
E
:
P
A
R
T
N
U
M
B
E
R
:
T
IT
L
E
:
C
O
M
P
A
N
Y
:
A B D C
A B C D
6
5
4
3
2
1
D
A
T
E
:
L
T
R
E
C
O
N
O
:
A
PP
R
O
V
E
D
:
R
E
V
IS
IO
N
R
E
C
O
R
D
A
SS
Y
N
U
M
B
E
R
:
N
C
E
X
P
R
E
SS
IO
N
N
C
N
C
AFT ER -
TO UC H
*
**
d
e
co
u
p
li
n
g
c
a
p
s
h
o
u
ld
b
e
p
la
ce
c
lo
s
e
t
o
M
U
X
*
d
e
co
u
p
li
n
g
c
a
p
s
h
o
u
ld
b
e
p
la
ce
d
c
lo
s
e
t
o
c
o
nn
e
ct
o
r
3
3
M
.
S
ti
th
1
/6
/200
9
A
D
25
M
N
C
01
A
.s
ch
9
-79
-0504
-C
-0
9
-40
-0504
-C
A
D
25
M
A
IN
P
C
B
C
o
p
y
ri
g
h
t
(c
)
2
0
0
9
A
k
a
i
P
ro
fe
ss
io
n
a
l
A
N
A
L
O
G
M
A
X
IM
U
M
C
A
R
E
S
H
O
U
L
D
B
E
T
A
K
E
N
I
N
R
O
UT
IN
G
A
LL
S
IG
N
A
L
S
O
N
T
H
IS
S
H
EE
T
*
*
*
*
*
*
*
A
K
A
I
1
IO
4
2
IO
6
3
O
UT
/I
N
4
IO
7
5
IO
5
6
IN
H
7
V
E
E
8
V
S
S
9
C
1
0
B
1
1
A
1
2
IO
3
1
3
IO
0
1
4
IO
1
1
5
IO
2
1
6
V
D
D
U5
74H C405 1
R5 0 1M
R
2
3
1
0
0
k
R
2
4
1
K
R
1
9
1
K
C
1
6
0
.1
u
F
C
1
7
0
.1
u
F
C
1
5
0
.1
u
F
C
1
8
0
.1
u
F
R
4
6
8
0
6
o
h
m
1
%
1 2 3 4
J8
C
2
5
0
.1
u
F
C
4
4
D
N
S
0
.1
u
F
C
4
3
0
.1
u
F
C4 8 10 00 pF
R
6
6
D
N
S
0
o
h
m
R
5
6
33
.2
k
1
%
R
5
9
47
.5
k
1
%
1
2
+
1
3
-
1
4
U
8
-D
L
M
V
3
2
4
M
R
6
4
82
.5
k
1
%
R
6
1
15
.8
k
1
%
+
v
-v
4 1
1
U
8
-E
L
M
V
3
2
4
M
C7 2 0.1 uF
C
6
0
0
.1
u
F
R
9
1
2
.32
k
1
%
R
9
0
4
.75
k
1
%
C
6
1
0
.1
u
F
R
5
5
D
N
S
0
o
h
m
R
5
7
11
.8
k
1
%
R
6
0
47
.5
k
1
%
1
0
+
9
-
8
U
8
-C
L
M
V
3
2
4
M
C
2
8
D
N
S
0
.01
u
F
R
5
4
15
.8
k
1
%
C
5
6
0
.1
u
F
R
8
6
1
.33
k
1
%
R
8
7
4
.75
k
1
%
C
6
2
0
.01
u
F
R
7
1
D
N
S
0
o
h
m
R
7
8
11
.0
k
1
%
R
7
5
47
.5
k
1
%
5
+
6
-
7
U
8
-B
L
M
V
3
2
4
M
R
7
2
15
.8
k
1
%
C
7
3
0
.1
u
F
R
8
9
3
.32
k
1
%
R
8
8
3
.32
k
1
%
C
6
8
0
.1
u
F
R
7
3
D
N
S
0
o
h
m
R
7
7
11
.0
k
1
%
R
7
4
47
.5
k
1
%
3
+
2
-
1
U
8
-A
L
M
V
3
2
4
M
R
8
0
15
.8
k
1
%
C
7
0
0
.1
u
F
R
9
2
3
.32
k
1
%
R
9
3
3
.32
k
1
%
C
7
1
0
.1
u
F
C
5
0
D
N
S
0
.01
u
F
C
2
7
D
N
S
0
.01
u
F
C
2
6
D
N
S
0
.01
u
F
R
4
7
0
o
h
m
1
2
3
D
6
B
AV
9
9
1
2
3
D
5
B
AV
9
9
S
L
EE
V
E
R
IN
G
T
IP
1 2 3 4 5 6 7
J1
S
T
E
R
E
O
C
L
IFF
C
L
11
1
5
0
5
W
A
N
A
L
O
G
_
S
E
L
E
C
T
1
A
N
A
L
O
G
_
S
E
L
E
C
T
0
A
N
A
L
O
G
_
S
E
L
E
C
T
2
+
3
V
3
AN ALO G_ S EL EC T[0 :2 ]
A
N
A
L
O
G
_
T
O
P
A
N
A
L
O
G
_
T
O
P
A
N
A
L
O
G
_
T
O
P
A
N
A
L
O
G
2
P
IT
C
H
+
3
V
3
A
N
A
L
O
G
_
T
O
P
A
N
A
L
O
G
_
T
O
P
A
N
A
L
O
G
_
T
O
P
A
N
A
L
O
G
_
T
O
P
M
O
D