Keyboard Circuit Diagram - Roland XV-88 Service Notes

XV-88
1 2 3 4 5 6
A
KEYBOARD CIRCUIT DIAGRAM / 鍵盤回路図
B
C
D
B0 M0
1
E
F
G
H
I
J
K
L
(A0~E1)
B0 M0 B1 M1
M
N
O
T0
T1
P
T2
T3
Q
T4
T5
R
T6
T7
S
T
PWB 24P LOW
U
16
7 8 9 10 11 12
鍵盤回路図
鍵盤回路図 鍵盤回路図
MAIN BOARD CN7
B1 M1 B2 M2 B3 M3 B4 M4 B5 M5 B6 M6
1 14
B0
M0
(F1~C2) (C#2~6#2)
B2 M2 B3
B1
M1
B2
M2
T0
T1
T2
T3
T4
T5
T6
T7
14 1
13 14 15 16 17 18
MAIN BOARD CN8
T7 T6 T5
1
14
(A2~E3) (F3~C4) (C#4~G#4) (A4~E5)
M3 B4 M4 B5 M5 B6 M6
PWB 32P MID
19 20 21 22 23 24
T4 T3 T2 T1 T0
B10 M10 B9 M9 B8 M8
(F5~C6)
M7 B7 M8
1 8
T0
T1
T2
T3
T4
T5
T6
T7
8 1
PWB 32P HI
MAR, 2000
25 26 27 28
16
B7 M7
(C#6~G#6) (A6~E7) (F7~C8)
B8 M9 B9 M10 B10