Roland VS-840 - Page 19

PAD0
55
PAD1
56
PAD2
57
PAD3
58
PAD4
60
PAD5
61
PAD6
62
PAD7
63
DB0
6
DB1
7
DB2
8
DB3
10
DB4
11
DB5
12
DB6
14
DB7
15
DBP
16
A0
49
A1
50
A2
52
A3
53
RD
46
WR
45
DBWR
4
INT
42
DREQ
2
DACK
3
CS
47
RESET
44
CLK
48
MODE
41
TESTIN
54
VDD_1
5
VDD_2
17
VDD_3
40
VDD_4
54
VSS_1
1
VSS_2
9
VSS_3
13
VSS_4
21
VSS_5
26
VSS_6
31
VSS_7
36
VSS_8
43
VSS_9
51
VSS_10
59
SD0
18
SD1
19
SD2
20
SD3
22
SD4
23
SD5
24
SD6
25
SD7
27
SDP
28
RST
33
BSY
30
SEL
35
I/O
39
C/D
37
MSG
34
REQ
38
ACK
32
ATN
29
IC2
NCR53CF92
D8
D9
D10
D11
D12
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
CN1
IL-FPC-25ST-N
D13
D14
D15
A0
A1
A2
A3
HWR
RD
C3
0.1
C2
0.1
C4
0.1
C5
0.1
2
1
C6
47/6.3
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
CN2
DBLC-J25SAF-20L9F
REQ
MSG
I/O
SD0
SD1
SD2
R1 10K
IRQ2
SCSIDRQ
DACKO
XRST
CS6
R2
10K
L3
N2012Z601
SD3
SD4
SD5
SD6
SD7
SDP
SCRST
BSY
ACK
BSY
SD0
SD3
SD5
SD6
SCRST
SD7
C/D
ATN
SEL
SDP
SEL
I/O
C/D
MSG
REQ
ACK
ATN
R5
100
C9
0.1
2
1
C1
100/6.3
3 5
IC3B
TC7WU04F
6 2
IC3C
TC7WU04F
1 7
IC3A
TC7WU04F
1 4
X1
MA406-25.000MHZ
1
2
D1
S2S6M
T1
8
T2
9
T3
10
T4
11
T5
12
T6
15
T7
16
T8
17
T9
18
T10
19
T11
20
T12
21
T13
22
T14
23
T15
3
T16
4
T17
5
T18
6
VDD
13
VDD
14
GND
7
GND
26
GND
27
EN
2
NC
1
TSD
25
VM
24
IC1
BH9595FP-Y
SD0
SD1
SD2
SD3
SD4
SD1
SD2
SD4
L2
EXCML20A390
L1
EXCML20A390
SD5
SD6
SD7
SDP
SCRST
BSY
SEL
I/O
C/D
C11
0.1
R4
10K
2
1
C13
47/6.3
2
1
C12
47/6.3
R3
1M
C10
10P
C7
10P
8
4
IC3D
TC7WU04F
C8
0.1
MSG
REQ
ACK
ATN
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C
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E
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M
N
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P
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R
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T
U
19
VS-840/840S
Mar, 1998