Roland VS-1680 Service Notes page 23

Sep, 1998
1 2 3 4 5 6
A DIGITAL I/O BOARD (71011289)
B
C
D
E
F
G
H
C409
CN200
220/63V
BOARD_IN3S
R405
+
1 +48V
FROM
2 33
I POWER
3 GND
1
2
3
4
5
6
J
7
CN201
B4B-PH-K-S 8
9
1 +48V_1
FROM
2 GND
MAIN 10
3 GND
11
4 +48V_2
12
SW200
SSSU142-S09N1
K
L
M
N
O
P
Q
R
S
T
U
7 8 9 10 11 12
C400 VCC
100/6.3V(KS)
+
CN400
BOARD_IN7S
1 FOOT SW
2 D.OUT1
FROM
3 D.IN1
MAIN
4 +5V
5 D.IN2
6 GND
7 D.OUT2
R400
47K
IC400 IC400
4 3 6 5
HCU04 HCU04
IC400
13 12
HCU04
IC400
11 10 C404
0.01(CQ)
HCU04 BL02RN2-R62
IC400 IC400
T400
R402
1 2 9 8 3 4
C405 75
HCU04 HCU04
47/16BP
1 6
PT-10
VCC VCC
R403
10K
Q400
2
3
1
DTC114ES
VCC C407
IC400 0.001(CQ)
14
VCC
C408
GND 0.1
7
13 14 15 16 17 18
CONNECTOR BOARD (70905967)
CN600
PS-50PE-D4T1-B1
1 -RESET
FROM MAINBOARD
2 GND
3 DD07
4 DD08
5 DD06
VCC 6 DD09
C401
0.1
7 DD05
8 DD10
VCC
1 D.IN 9 DD04
10 DD11
GND
11 DD03
JK400
TORX178A
12 DD12
VCC 13 DD02
C402
0.1
14 DD13
15 DD01
VCC
3 IN D.OUT 16 DD14
17 DD00
GND
18 DD15
JK401
TOTX178
19 GND
JK402 20 (KEY)
YKC21-3044
C403
0.1
21 DMARQ
2
D.IN
22 GND
1
23 -DIOW
R401
75
24 GND
25 -DIOR
26 GND
FL400
27 IORDY
4
D.OUT
3 28 CSEL
29 -DMACK
C406
0.1
30 GND
31 INTRQ
32 -IOCS16
R404
33 DA1
3.3K
34 -PDIAG
JK403
2 LGR4609-7000
35 DA0
4
3 FOOT SW
1 36 DA2
37 -CS0
38 -CS1
39 -DASP
GND
40
41 +5VL
42 +5VM
43 GND
44 OPEN
45 +5V
46 +5V
47 +5V
48 GND
49 GND
50 GND
19 20 21 22 23 24
CN601
FX2C2-52P-1.27DSAL
VS-1680
25 26 27 28
GND 52
TO IDE
GND 51
GND 50
GND 49
-RESET 48
GND 47
DD07 46
DD08 45
DD06 44
DD09 43
DD05 42
DD10 41
DD04 40
DD11 39
DD03 38
DD12 37
DD02 36
DD13 35
DD01 34
DD14 33
DD00 32
DD15 31
GND 30
(KEY) 29
*DMARQ 28
GND 27
-DIOW 26
GND 25
-DIOR 24
GND 23
*IORDY 22
*CSEL 21
*-DMACK 20
GND 19
INTRQ 18
*IOCS16 17
DA1 16
15
*-PDIAG
DA0 14
DA2 13
-CS0 12
-CS1 11
-DASP 10
GND 9
+5V 8
+5V 7
GND 6
GND 5
N.C. 4
+5V
3
N.C. 2
N.C. 1
23