Roland Dr. Sample SP-303 Service Notes page 29

Mar.2001
fig.digital2
Smart Media
CN1
2
25
3VSW1
26
3VSW2
27
5VSW1
28
5VSW2
23
WPSW2
24
WPSW1
1
VSS
22
VCC
2
CLE
21
CE
3
ALE
20
RE
4
WE
19
R/B
5
WP
18
GND
6
I/O1
17
LVD
7
I/O2
16
I/O8
8
I/O3
15
I/O7
9
I/O4
14
I/O6
10
VSS
13
I/O5
11
CD
12
VCC
D
CN015P-3013-0
+
D 3. 3
G SID E
L22 N2012Z601T02
L23 N2012Z601T02
L24 N2012Z601T02
C289
100p
D
+ 5
D
GA
C290 47p
Clock
C291 100p
3.3V->5V
C73 0.1
D
2
4 2
IC16
C300 TC7SET04F
100p
D
T02
+
D 3. 3
C287 0.001 C61
C60 0.1 C63
C62 0.1 C66
C65 0.1 C68
C67 0.1 C288
C69 0.1 C70
D
IC9
TC203C040AF-001(MR2)
RESET
A2 50
CA2
A1 49
CA1
48
A0
CA0
CPU-LCAS 47
WR
CPU-RD 46
RD
CS3 45
CS
61
D7
CD7
D6 60
CD6
D5 59
CD5
D4 58
CD4
D3 57
CD3
56
D2
CD2
D1 55
CD1
D0 54
CD0
89
RAMTEST1
88
RAMTEST
87
ACOUT
86
SYIKIN
85
TRCKIN
84
TRCKO
D
81
MCK
80
MCK1
77
BCK0
76
BCK1
74
LRCK0
73
LRCK1
71
DA0
70
DA1
68
AD0
67
AD1
DSP-INT1 64
INT1
DSP-INT 63
INT
D
+ 5
D
0.1
0.1
C64
0.1
10/16
0.1
0.001
0.1
D
R245
560
R75
DSP
4.7k
1
RST
X1
4 MA-406 33.8688MHz
CKO
5
OSC1
8 EA4
EA4
9 EA3
EA3
10 EA5
EA5
11 EA2
EA2
12 EA6
EA6
13
EA1
EA1
14 EA7
EA7
EA4
16 EA0 EA11
EA0
17 EA8 EA3
EA8
18
EA12
EA9
19 ECAS EA5
CAS
20 EA15
RAS
EA16
22 ED2 EA14
ED2
23 EWE EA13
WE
24 ED3 EA2
ED3
25 ED1 EA6
ED1
26
ED0 EA1
ED0
27 EA10 EA7
EA10
EA0
30 EA11 EA8
EA11
31 EA12 ECAS
EA12
32 EA13 EA10
EA13
33 EA14
EA14
34
EA15
EA15
35 EA16
EA16
36 ED4 EWE
ED4
37 ED5
ED5
+
D 3. 3
38 ED6
ED6
39 ED7
ED7
100
OSC2
43
DIV2
42
DIV1
92
TB0
93
TB1
94
TB2
95
TB3
96
TB4
97
TB5
98
TB6
99
TB7
D
C104
10p
C103
10p
D
IC13
UPD431000AGW-70LL-E2
2 21 ED2
A16 I/O8
31 20 ED7
A15 I/O7
3 19 ED6
A14 I/O6
28 18
ED5
A13 I/O5
4 17 ED4
A12 I/O4
25 15 ED0
A11 I/O3
23 14 ED1
A10 I/O2
26 13 ED3
A9 I/O1
27
A8 + 5
D
5
A7
6
A6
7
A5
8
A4
L21
9
A3
10 N2012Z601T02
A2
11 1
A1 NC
12
A0
32
VCC
30
CE2
C77 C78
22
CE1
10/16
29
0.1
WE
24 16
OE GND
D D
SP-303
29