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Roland Edirol StudioCanvas SD-80 - Circuit Diagram (Main Board 6;7)

Roland Edirol StudioCanvas SD-80
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May.2002 SD-80
CIRCUIT DIAGRAM (MAIN BOARD 6/7)
fig.mb-sch6
LEVEL_CONV.
Block
TONE
GENERATOR#0
Section
TONE
GENERATOR#0
Section
TONE
GENERATOR#0
Section
NOR MALBEND R EVER SE BE ND
TONE GENER ATOR #1 BLOCK
NOTE : "NIU" means "Not In Use."
TONE
GENERATOR#0
Block
3WA22
3WA21
3WA20
3WA19
3WA18
3WA17
3WA16
3WA15
3WA14
3WA13
3WA12
3WA11
3WA8
3WA10
3WA9
3WA7
3WA1
3WA2
3WA6
3WA3
3WA0
3WA4
3WA5
3WA22
3WA21
3WA20
3WA19
3WA16
3WA18
3WA17
3WA15
3WA14
3WA8
3WA9
3WA13
3WA10
3WA7
3WA11
3WA12
3WA4
3WA0
3WA3
3WA2
3WA1
3WA5
3WA6
3WD10
3WD13
3WD6
3WD4
3WD3
3WD6
3WD1
3WD11
3WD0
3WD8
3WD12
3WD14
3WD12
3WD13
3WD5
3WD3
3WD2
3WD14
3WD10
3WD1
3WD2
3WD8
3WD7 3WD7
3WD15
3WD0
3WD4
3WD11
3WD5
3WD9
3WD15
3WD9
V1EA5
V1EA2
WA17
WA8
WA4
WA15
V1EA9
V1ED2
V0V1SD4
V1V0SD2
A7
V1EA0
V1EA6
V1ED1
V1V0SD5
D15
D14
D1
WA14
WA16
WD2
WD10
WD3
D6
D3
V1EA4
WA22
D8
D2
V1EA1
WA6
WA1
V1ED11
A6
D5
V1EA3
WA23
WA20
WA12
WD13
WD5
WD4
V1EA4
V1EA8
V1ED6
V0V1SD2
V0V1SD5
A8
WA18
WA5
WD7
WD1
WD6
WD11
V1EA2
V1ED4
V1ED7
V1ED9
A2
D0
D7
V1EA8
V1ED10
V0V1SD0
WA2
V1EA1
V1EA0
V1EA6
V1EA7
V1EA9
V1EA2
V1V0SD1
A5
A1
D12
V1EA1
WA21
WA11
WD15
WD12
WA9
WA3
V1EA3
V1EA3
WA10
WA13
WD0
WD8
V1ED8
V1ED0
A4
A3
V1EA0
WA7
WA0
V0V1SD3
V1V0SD4
D10
WD9
WD14
V1EA5
D4
WA19
V1EA7
V1ED5
V1ED3
V0V1SD1
V1V0SD3
V1V0SD0
D9
D13
D11
V1EWE
V1EOE
V1ERAS
V1ECAS
V1ERAS
V1EOE
V1ECAS
V1EWE
V1ED13
V1ED15
V1ED12
V1ED14
V1ED7
V1ED8
V1ED11
V1ED6
V1ED5
V1ED4
V1ED9
V1ED3
V1ED10
V1ED0
V1ED2
V1ED1
V1ED15
V1ED14
V1ED13
V1ED12
V1ED4
V1ED1
V1ED5
V1ED10
V1ED2
V1ED7
V1ED9
V1ED0
V1ED11
V1ED6
V1ED8
V1ED3
DD
D
+
5D
D
D
D
D
+
5D
D
+
5D
D
+
D3.3
+
D3.3
+
D3.3
D
+
D3.3
+
D3.3
D
+
5D
D
D
D
+
5D
DD
D
+
5D
+
5D
C146
0.1u
C144
0.1u
C142
0.1u
R58
10k
C160
NIU
R63
0
R57
22k
C154
2200p
C152
10u/16V
C153
0.1u
RA47
10k
18
27
36
45
IC28
03010612
UPD23C128040ALGY-525-MJH
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
2627
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
WORD/BYTE
A16
A15
A14
A13
A12
A11
A10
A9
A8
A19
A21
A20
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE
GND
GNDOE/OE/DC
O0
O8
O1
O9
O2
O10
O3
O11
A22
VCC
VCC
O4
O12
O5
O13
O6
O14
O7
O15/A-1
GND
GND
C156
0.1u
IC29
03010623
UPD23C128040ALGY-526-MKH
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
2627
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
WORD/BYTE
A16
A15
A14
A13
A12
A11
A10
A9
A8
A19
A21
A20
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE
GND
GNDOE/OE/DC
O0
O8
O1
O9
O2
O10
O3
O11
A22
VCC
VCC
O4
O12
O5
O13
O6
O14
O7
O15/A-1
GND
GND
C155
0.1u
C139
10u/6.3V
C158
0.1u
C159
0.1u
C157
0.1u
RA45
10k
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
C150
0.1u
C151
0.1u
C149
0.1u
C147
0.1u
C145
0.1u
C143
0.1u
C141
0.1u
C140
0.1u
C138
0.1u
C137
0.1u
C136
0.1u
C148
0.1u
C135
100u/6.3V
R56
10k
X2
16.9344MHz
14
IC21C
7WU04
6 2
R42
1M
IC21B
7WU04
3 5
R41
22
R39
22
IC21A
7WU04
1 7
IC21D
7WU04
84
C214
0.1u
C128
15p
C216
10u/16V
IC30
GM71C18163C J-6
or equivalent
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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
VCC
DQ0
DQ1
DQ2
DQ3
VCC
DQ4
DQ5
DQ6
DQ7
NC
NC
WE
RAS
NC
NC
A0
A1
A2
A3
VCC
VSS
A4
A5
A6
A7
A8
A9
OE
UCAS
LCAS
NC
DQ8
DQ9
DQ10
DQ11
VSS
DQ12
DQ13
DQ14
DQ15
VSS
R59
10k
R60
10k
R61
10k
R62
10k
RA46
10k
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
TP5
1
TP6
1
R44
1k
C127
18p
IC27
TC223C660CF-503
R01455956
46
14
60
62
80
15
90
48
105
30
120
63
134
70
160
1
180
150
200
64
220
170
240
49
190
65
210
2
66
50
67
3
68
51
69
4
72
52
5
53
6
54
7
55
8
9
10
11
12
13
16
17
18
19
20
21
23
22
24
25
26
27
28
29
32
31
33
34
35
36
37
38
39
40
41
42
43
44
45
47
56
57
58
59
61
71
73
74
75
76
77
78
79
81
82
83
84
85
86
87
88
89
91
92
93
94
95
96
97
98
99
100
101
102
103
104
106
107
108
109
110
111
112
113
114
115
116
117
118
119
121
122
123
124
125
126
127
128
129
130
131
132
133
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
151
152
153
154
155
156
157
158
159
161
162
163
164
165
166
167
168
169
171
172
173
174
175
176
177
178
179
181
182
183
184
185
186
187
188
189
191
192
193
194
195
196
197
198
199
201
202
203
204
205
206
207
208
209
211
212
213
214
215
216
217
218
219
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
XRD
XWR
XCSV1
XINTV1
XRSTTG
SYNC
XWAIT
D[0..15]
A[1..8]
XWCS0
XWOE
WD[0..15]
WA[0..23]
XWBACK
XWBREQ
3XWCS R0
3XWCS R1
3XWOE
3WA[0..22]
3WD[0..15]
V0V1SCK
V1V0SCK
V1V0SD[0..5]
V0V1SD[0..5]
384FS
3231

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