Roland V-Drums TD-20 - Chapter 4. Effect Settings; Effects On;Off Switches; Compressor and EQ Application

38
Feb.2004
CIRCUIT DIAGRAM (MAIN 4/9)
fig.main4-c
MAIN_CPU
MAIN_CPU
ESP4
Phones&Master
CF_IF
NIU : Means Not In Use
EA[8:0]
ED23
ED22
ED21
ED20
ED19
ED18
ED17
ED16
ED15
ED14
ED13
ED12
3PI[5:0]
3PI4
EA5
3MA2
EA7
3PI_SCK
3PI3
3PI4
EA7
3PI5
3MA3
3MA10
3PI3
3PI2
ED17
EA0
3PI_SCK
3MA2
3MA5
EA6
3MA1
ED18
EA4
EA0
ED15
ED12
3MA4
3MA8
EA5
ED14
ED13
3XSYNC
3MA4
3MA6
ED22
3MA8
3PI1
ED16
EA1
3MA0
3MA13
ED23
ED19
3PI5
3MA5
3MA11
3MA12
EA6
EA8
EA3
3PI0
3PI1
3MA1
3MA3
ED20
3MA7
3PI0
EA2
ED[23:12]
3MA7
3MA9
3PO_SCK
EA3
EA1
3MA[13:0]
EA4
3MA6
EA2
3PI2
ED21
EA8
3MXLWR
3XSYNC
3XXV_CS
XV_CLK
3MXRD
3MXRD
3MXRD
3XXV_CS
3MXRD
3MXLWR
3XXV_INT
3PO_SCK
3XXV_WAIT
3PO4
3PO2
3PO3
3PO1
3PO0
3PO3
3PO1
3PO2
3PO[5:0]
3PO0
3PO5
3PO5
3PO4
X3VRST
3MD7
3MD6
3MD7
3MD0
3MD6
3MD11
3MD12
3MD3
3MD4
3MD10
3MD1
3MD[15:0]
3MD2
3MD0
3MD4
3MD13
3MD1
3MD3
3MD15
3MD5
3MD2
3MD9
3MD5
3MD14
3MD8
3XXV_CS
+
D3.3
D
D
D
D
D
+
D3.3
D
D
+
D3.3
D
D
+
D3.3
DD
+
D3.3
+
5D
+
5D
+
5D
D
+
5D
+
D3.
3
D
+
5D
+
5D
D
+
D3.3
D
+
D3.3
+
D3.3
D
D
+
D3.3
D
D
D
+
D3.3
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
D
D
+
5D
D
D
+
5D
D
D
+
5D
D
+
D3.3
C298
0.1
RA56
47
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
C276
0.1
C299
0.1
C275
0.1
C329
0.1
C330
0.1
C328
0.1
C307
0.1
C318
0.1
C313
0.1
C309
0.1
C319
0.1
C316
0.1
C310
0.1
C322
0.1
C317
0.1
C308
0.1
C321
0.1
C320
0.1
C314
0.1
C306
0.1
C315
0.1
C312
0.1
IC58
HD74LV245ATELL
GND
10
B8
11
B7
12
B6
13
B5
14
B4
15
B3
16
B2
17
B1
18
VCC
20
C332
0.1
RA63
100
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
X2
67.7376MHzSG-8002JC@
OE
1
GND
2
OUT
3
VDD
4
C325
0.1
RA62
10k
1 8
2 7
3 6
4 5
C304
0.1
IC5
9
TC
7
A8
9
A7
8
A6
7
A5
6
A4
5
A3
4
A2
3
A1
2
G
19
DIR
1
B8
11
B7
12
B6
13
B5
14
B4
15
B3
16
B2
17
B1
18
VCC
20
GND
10
R226
68
R227
68
R228
68
R230
22
RA5
3
1
10
RA5
8
1
10
IC56A
TC74VHCT74AFT
D
2
CK
3
Q
5
Q
6
PR
4
R
1
R223
68
R221
47
IC50E
HD74LV08AT
14 7
R2
1
1
0
IC51A
TC74VHCT08AFT
1
2
3
IC51E
TC74VHCT08AFT
14 7
C305
0.1
IC50A
HD74LV08AT
1
2
3
IC50B
HD74LV08AT
4
5
6
IC56C
TC74VHCT74AFT
VCC
14
GND
7
C323
0.1
R222
47
IC56B
TC74VHCT74AFT
D
12
CK
11
Q
9
Q
8
PR
10
R
13
IC51B
TC74VHCT08AFT
4
5
6
IC51C
TC74VHCT08AFT
9
10
8
IC51D
TC74VHCT08AFT
12
13
11
C324
1000p
IC49
TC74LVXC3245FS
DIR
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
10
GND
11
B8
14
B7
15
B6
16
B5
17
B4
18
B3
19
B2
20
B1
21
G
22
VCCB
24
VCCA
1
GND
13
GND
12
NC
23
RA2
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
IC53
TC74LVXC3245FS
DIR
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
10
GND
11
B8
14
B7
15
B6
16
B5
17
B4
18
B3
19
B2
20
B1
21
G
22
VCCB
24
VCCA
1
GND
13
GND
12
NC
23
RA202
1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
IC54
TC74VHCT245AF
T
A8
9
A7
8
A6
7
A5
6
A4
5
A3
4
A2
3
A1
2
G
19
DIR
1
B8
11
B7
12
B6
13
B5
14
B4
15
B3
16
B2
17
B1
18
VCC
20
GND
10
RA203
4
7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
IC50D
HD74LV08AT
12
13
11
R618
47
C331
10/16
IC57
M11L416256SA-35T
VCC
1
I/O0
2
I/O1
3
I/O2
4
I/O3
5
VCC
6
I/O4
7
I/O5
8
I/O6
9
I/O7
10
WE
15
RAS
16
VCC
22
VSS
23
OE
29
CASH
30
CASL
31
VSS
39
VSS
44
A8
28
A7
27
A6
26
A5
25
A4
24
A3
21
A2
20
A1
19
A0
18
I/O15
43
I/O14
42
I/O13
41
I/O12
40
I/O11
38
I/O10
37
I/O9
36
I/O8
35
NC
13
NC
14
NC
17
NC
32
R617
47
IC50C
HD74LV08AT
9
10
8
RA52
47
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
IC55
TC223C080AF-101(ESP4)
02231767
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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
3MA[13:0]
3MD[15:0]
X5VRST
X3VRST
3MXRD
3MXLWR
XESP_CS
3ESP_MCK
3ESP_BCK
3ESP_LRCK
3ESP_SD1
3ESP_SD5
3XXV_CS
3XXV_INT
3XXV_WAIT