SK-500
A
AA
A
B
BB
B
C
CC
C
D
DD
D
E
EE
E
F
FF
F
G
GG
G
H
HH
H
I
II
I
J
JJ
J
K
KK
K
L
LL
L
M
MM
M
N
NN
N
O
OO
O
P
PP
P
Q
Q
R
RR
R
S
SS
S
T
TT
T
U
UU
U
1
11
1
2
22
2
3
33
3
4
44
4
5
55
5
6
66
6
7
77
7
8
88
8
9
99
9
10
10
10
10
11
11
11
11
12
12
12
12
13
13
13
13
14
14
14
14
15
15
15
15
16
16
16
16
17
17
17
17
18
18
18
18
19
19
19
19
20
20
20
20
21
21
21
21
22
22
22
22
23
23
23
23
24
24
24
24
25
25
25
25
26
26
26
26
27
27
27
27
28
28
28
28
NOV. 2000
4
BLOCK DIAGRAM
/ ブロック図
/ ブロック図
/ ブロック図
/ ブロック図
SH7016
64Mbit
CPU
D/A
Phones2
LPF
AMP
PCM1716
AMP
Output
(WORK)
(WAVE)
4M-DRAM
RA09-002
4M-DRAM
(Sub-System)
256k-SRAM
USB
M37640E
MIDI
PC
8bit
16bit
16bit
16bit
DAout
DAout
(64kB-MASK)
Mask-ROM
iMac
176P-QFP
8bit
(DelayLine)
KeyScan
SSC1080
(Program)
16M-Flash
8bit
128Mbit
(WAVE)
Mask-ROM
MB87837
4M-DRAM
8bit
(DelayLine)
8bit
(EFX)
Pitch
Data
Keyboard
Phones1
AMP
I/F Select Switch
(USB/PC/Mac/MIDI)
DC-IN 9V
DC/DC
BP5220
5V/1A
DC/DC
AMP
Input
RS422
M34051
Driver
1MHz
(forMac)
PC
Mac
Serial
I/F
Pedal
IC17
IC12
IC2
IC9
IC5
IC16
IC4
IC3
IC11
IC10
IC7
IC8
IC14
X2
IC1
X3
X4
CN4
IC20
IC21
IC32
IC31
IC33
IC35
IC34
NJM2360AM
Entry
WHEELS
UNIT
SW
7SEG-LED
SW
Volume
SW
BOARD
PANEL
CN9
CN3
CN7
CN8
A
A
D
A
+5
D
A
+5
D
A
D
D
D
+5
D
-
A 5
A
+5
D
D
A
A
A
+5
D
A
7
.000MHz
1
4
JK9
1
2
3
USB
JK1
1
2
3
4
10
20
24MHz
1
4
1 4
2
5
3
MIDI-OUT
JK5
5
2
4
1
2
24.576MHz
1
4
1
2
11
12
13
JK8
1
2
3
SW1A
1
2
JK7
2
1
3
C54
102B
C57
222B
JK10
1
2
3
JK11
1
2
3
JK2
1
2
3
4
5
6
7
8
10
20
30
11
12
13
SW4A
11
16
12
13
14
15
1
2
11
12
13
a
b
c
d
e
f
g
dp
21
22
23
1
2
1
2
JK13
1
2
3
4
