Right Control Pcb Assy & Circuit Diagram - Roland AX-7 Service Notes

Midi keyboard controller
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Nov, 2001
1
2
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5
6
RIGHT CONTROL PCB ASSY & CIRCUIT DIAGRAM
A
B
C
D
View from component side
E
F
G
H
I
SSD0
S W4
DATA
J
SSD1
SW10
K
2
SSD2
L
SW15
6
M
SSD3
N
D6
O
P
Q
All switches are EVQPAE05R.
R
All LEDs are 3SLR37VR3F.
S
T
U
7
8
9
10
11
12
ASSY 7772501000
S W1
CONTROL
S W5
SW6
S W7
PROGRAM
A/B
1
CHANGE
S W11
SW12
S W13
3
4
5
S W16
SW17
S W18
7
8
TRANSPOSE
D7
D8
D9
13
14
15
16
17
18
19
S W2
S W3
ENTER
WRITE
S W8
S W9
DOWN
UP
SW14
DBEAM
S W19
EXIT
D10
D11
CN3
28FE_ST_VK_N
20
21
22
23
24
25
RW3
D1
2
1
CONTROL
RW4
D2
2
1
DATA
RW1
RW5
RW3
RW5
D3
RW7
2
1
CL1
PROGRAM
CHANGE
RW6
D
D4
2
1
TO 3X7 SEGMENT DISPLAY
CL3
TRANSPOSE
RW7
D5
2
1
CL4
DBEAM
TXA
TXK
RXA
RXK
DGND
From Main Board
(CN6)
D
AX-7
26
27
28
29
30
CN1
AMPC1_2714P
RW0
1
14
2
13
RW2
RW4
3
12
4
11
RW6
CL0
5
10
6
9
CL2
7
8
D
CN2
53014_0510
1
2
To DBeam Board
3
4
(CN1)
5
15

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