Roland VS-880EX - Page 20

0.1
C803
VCC
GND
7
14
VCC
C801
0.1
GND
D.OUT1
D.IN1
+5V
TOTX178
JK801
VCC
IN
GND
1
3
2
TORX178A
JK800
VCC
O
U
T
GND
2
1
3
D.OUT
D.IN
VCC
VCC
FROM
MAIN
C800
100/6.3V(KS)
+
VCC
BOARD_IN4S
CN800
1
2
3
4
C802
0.1
IC800
VHC04
56
IC800
IC800
VHC04
21
IC800
VHC04
8 9
IC800
VHC04
3 4
VHC04
IC800
11 10
VHC04
IC800
1213
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 27 28
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
20
DIGITAL I/O BOARD (71124012)
VS-880EX
Sep, 1998
AC 2
AC 1
S2P3-VH
CN900
2
1
SDDLB1-B1-F-2 TV-5
SW900
21
FX2C2-52P-1.27DSAL
CN601
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
29
3
30
31
32
33
34
35
36
37
38
39
4
40
41
42
43
44
45
46
47
48
49
5
50
6
7
8
9
52
51
(KEY)
GND
GND
TO IDE
+5V
GND
DA1
INTRQ
GND
-DIOR
-DIOW
GND
GND
+5VL
GND
GND
GND
GND
-RESET
DD07
DD06
DD05
DD04
DD03
DD02
DD01
DD00
DD08
DD09
DD10
DD11
DD12
DD13
DD14
DD15
GND
GND
GND
-DIOW
-DIOR
INTRQ
DA1
DA0
DA2
-CS0
-CS1
-DASP
+5VM
OPEN
GND
GND
GND
+5V
+5V
GND
GND
GND
GND
-DASP
-CS1
-CS0
DA2
DA0
DD15
DD14
DD13
DD12
DD11
DD10
DD09
DD08
DD00
DD01
DD02
DD03
DD04
DD05
DD06
DD07
-RESET
GND
GND
GND
+5V
+5V
+5V
FROM MAINBOARD
N.C.
N.C.
N.C.
GND
PS-50PE-D4T1-B1
CN600
50
49
48
47
46
45
44
43
42
41
34
33
31
30
29
28
27
26
20
18
16
15
14
12
10
1
2
3
4
5
6
7
8
9
11
13
17
19
21
22
23
24
25
32
35
36
37
38
39
40
(KEY)
DMARQ
IORDY
CSEL
-DMACK
-IOCS16
-PDIAG
*DMARQ
*IORDY
*CSEL
*-DMACK
*-PDIAG
*IOCS16
CONNECTOR BOARD (71124001)
PS SW BOARD (71230923)