Akai Professional MPK261, Service Manual

Page: 35 / 53

1 1
2 2
3 3
4 4
5 5
6 6
D
D
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3
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4
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5
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6
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7
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35
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IN
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Pin order reversed vs. main board connector.
L
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dd
V
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D
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2
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3
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3
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A B D C
A B C D
6
5
4
3
2
1
A
S
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Y
N
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:
Q
1
1
Q
2
2
Q
3
3
Q
4
4
Q
5
5
Q
6
6
Q
7
7
G ND
8
S
D
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9
S
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L
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10
S
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11
R
C
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12
O
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13
S
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14
Q
0
15
VCC
16
U
60
7
4
H
C595
R442 4
7
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m
Q
1
1
Q
2
2
Q
3
3
Q
4
4
Q
5
5
Q
6
6
Q
7
7
GND
8
S
D
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9
S
C
L
R
10
S
C
L
K
11
R
C
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12
O
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13
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14
Q
0
15
VCC
16
U
62
7
4
H
C595
R451
4
7
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Q
1
1
Q
2
2
Q
3
3
Q
4
4
Q
5
5
Q
6
6
Q
7
7
GND
8
S
D
O
9
S
C
L
R
10
S
C
L
K
11
R
C
L
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12
O
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13
S
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14
Q
0
15
VCC
16
U
63
7
4
H
C595
C7
0
.1
u
F
C8
0
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F
C9
0
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C3
1
0
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F
R1
4
7
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2
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4
A
4
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R204B
4
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4
7
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2
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4
D
4
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5
A
4
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R205B
4
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R205C
4
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2
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5
D
4
7
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56
A
M
B
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57
A
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B
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D
58
A
M
B
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R
L
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D
59
A
M
B
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R
L
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D
60
A
M
B
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D
61
A
M
B
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R
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D
62
A
M
B
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R
L
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D
63
A
M
B
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R
R
2
0
6
A
4
7
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R206B
4
7
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R206C
4
7
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R
2
0
6
D
4
7
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2
0
7
A
4
7
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R207B
4
7
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R207C
4
7
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2
0
7
D
4
7
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L
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D
64
A
M
B
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R
L
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D
65
A
M
B
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R
L
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D
66
A
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B
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L
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D
67
A
M
B
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R
L
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D
68
A
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B
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L
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D
69
A
M
B
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R
L
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D
70
A
M
B
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R
L
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D
71
A
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B
E
R
L
E
D
72
A
M
B
E
R
L
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D
73
A
M
B
E
R
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
J4 G
F
P
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3
1
2
2
1
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2
6
0
2
G
R234 1
0
K
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1
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4
7
0
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R236
C89
0
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1
M
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4403
Q
10
M
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14
M
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4401
R237 1
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K
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1 2
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11
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R239 1
0
K
R240 1
0
K
R241
6
8
0
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C1
0
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1
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F
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
J18
G
F
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1
2
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1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16
J19