Roland Edirol StudioCanvas SD-80 - Circuit Diagram (Main Board 5;7)

May.2002 SD-80
CIRCUIT DIAGRAM (MAIN BOARD 5/7)
fig.mb-sch5
TONE
GENERATOR#1
Section
LEVEL_CONV.
Block
TONE
GENERATOR#1
Section
TONE GENER ATOR #0 BLOCK
NOTE : "NIU" means "Not In Use."
TONE
GENERATOR#1
Block
AUDIO
Block
INTER FACE
Block
V0V1SD0
D8
A1
V0V1SD1
V0V1SCK
D2
V1V0SD2
D3
D12
D10
V1V0SD0
A3
A6
V1V0SCK
D4
V1V0SD1
V0V1SD2
V1V0SD4
D13
D9
D6
D1
D14
D15
D7
D0
V1V0SD5
D11
D5
V0V1SD3
V0V1SD5
A4
A8
A2
A5
A7
V0V1SD4
V1V0SD3
3WA20
3WA19
3WA7
3WA22
3WA18
3WA21
3WA17
3WA8
3WA12
3WA3
3WA5
3WA9
3WA11
3WA4
3WA10
3WA6
3WA1
3WA14
3WA15
3WA16
3WA2
3WA0
3WA13
3XWOE
XWOE
XWOE
V0EA1
V0EA1
V0ERAS
V0EA5
V0EA7
V0ED3
V0EA2
V0ED0
V0EA6
V0EA0
V0EA5
V0EA8
V0EA2
V0EA8
V0EA6
V0EA3
V0EOE
V0ED7
V0EA3
V0ED10
V0ED9
V0ED11
V0EA0
V0ED5
V0EA7
V0EA9
V0ED1
V0EA1
V0ED6
V0EA2
V0EA3
V0ED8
V0EA4
V0EWE
V0EA9
V0ED4
V0EA4
V0EA0
V0ED2
V0ECAS
WD8
WD13
WD1
WD10
WD11
WD11
WD0
WD9
WD9
WD4
WD12
WD7
WD7
WD2
WD4
WD15
WD6
WD12
WD1
WD14
WD8
WD3
WD10
WD0
WD14
WD6
WD3
WD2
WD13
WD15
WD5
WD5
XLR CK1
LRCK2
256FS
BCK
3WD9
3WD6
3WD1
3WD14
3WD8
3WD7
3WD0
3WD15
3WD11
3WD4
3WD3
3WD12
3WD10
3WD5
3WD2
3WD13
WA6
WA2
WA22
WA10
WA13
WA6
WA12
WA7
WA0 W A13
WA14
WA17
WA11
WA4
WA1
WA14
WA9
WA4
WA21
WA16
WA12
WA16
WA8
WA3
WA21
WA23
WA22
WA17
WA9
WA11
WA1
WA8
WA5
WA5WA7
WA2
WA0
WA18
WA18
WA20
WA19
WA15
WA3
WA10
WA15
WA19
WA20
OUT1
XSW0
XSW1
XSW2
XSW3
SCAN0
SCAN1
SCAN2
LED0
LED1
LED2
LP2
LP4
LP5
LP6
LP0
LP1
LP3
LP7
V0ECAS
V0ED11
V0ED10
V0ED8
V0ED9
V0ED6
V0ED4
V0ED7
V0ED5
V0ED3
V0ED14
V0ED0
V0ED15
V0ED2
V0ED12
V0ED1
V0ED13
V0ED11
V0ED10
V0ED9
V0ED8
V0ED7
V0ED6
V0ED4
V0ED5
V0ED15
V0ED14
V0ED12
V0ED2
V0ED0
V0ED3
V0ED1
V0ED13
V0ERAS
V0EWE
V0EOE
OUT3
OUT2
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
D
D
+
5D
D
D
D
D
D
D
D
D
D
D
D
D
+
5D
+
5D
+
5D
D
D
D
D
D
+
5D
D
D
D
D
+
5D
+
5D
D
D
D
D
D
D
+
5D
R51
0
C124
2200p
R52 NIU
R46
10k
R54 NIU
R55 NIU
R43
22k
RA39
10k
1 2
3 4 5 6 7 8 910
C108
0.1u
RA40
10k
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
R49
10k
C107
0.1u
R45
10k
IC18A LV139A
3
2
1
7
6
5
4
B
A
G
Y3
Y2
Y1
Y0
C117
0.1u
C122
10u/16V
C123
0.1u
RA37
10k
1 2
3 4 5 6 7 8 910
C119
0.1u
C105
0.1u
RA38
10k
12
3 4
5 6 7
8 9 10
C114
0.1u
IC18B
LV139A
13
14
15
9
10
11
12
B
A
G
Y3
Y2
Y1
Y0
RA36
10k
12
3 4 5 6 7 8 9 10
C113
0.1u
C115
0.1u
RA35
10k
1 2
3 4 5 6 7 8 910
IC18C
LV139A
16
8
VCC
GND
C134
NIU
RA42
10k
18
27
36
45
C104
0.1u
C116
0.1u
IC20
LV245A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
B8
B7
B6
B5
B4
B3
B2
B1
OE
VCC
C132
0.1u
C118
0.1u
IC26
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
R38
10k
C131
0.1u
R37
10k
R47
10k
C110
0.1u
C133
0.1u
C121
0.1u
C106
10u/6.3V
R48
10k
C111
0.1u
R50
10k
C109
0.1u
C112
0.1u
R40
10k
RA41
10k
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
C4
100u/6.3V
R53 NIU
R103 NIU
R104 NIU
R105 NIU
TP3
1
TP4
1
IC22
LV245A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
B8
B7
B6
B5
B4
B3
B2
B1
OE
VC
C
IC24
LV245A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
B8
B7
B6
B5
B4
B3
B2
B1
OE
VCC
IC25
LV245A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
B8
B7
B6
B5
B4
B3
B2
B1
OE
VC
C
IC23
LV245A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
B8
B7
B6
B5
B4
B3
B2
B1
OE
VC
C
C120
0.1u
C125
0.1u
C129
0.1u
C126
0.1u
C130
0.1u
IC19
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
XINTV0
XRD
OUT1
XCSV0
XRSTTG
D[0..15]
XWR
XWAIT
A[1..8]
256FS
BCK
V1V0SCK
V0V1SCK
V0V1SD[0..5]
V1V0SD[0..5]
XWCS0
XWOE
WA[0..23]
WD[0..15]
3XWCS R0
3XWCS R1
3XWOE
3WA[0..22]
3WD[0..15]
XWBREQ
XWBACK
SYNC
384FS
LP[0..7]
RS
LE
LED[0..2]
SCAN[0..2]
XSW[0..3]
LRCK2
XLR CK1
OUT3
OUT2
3029