Roland V-Drums TD-20 - Selecting Instruments from a List; Editing Drum Sounds

32
Feb.2004
CIRCUIT DIAGRAM (MAIN 1/9)
fig.main1-c
MIX_IN&DIRECT
IO_IF
CF_IF
XV&ESP
WAVE_ROM
V850E/MA1
IO_IF
TRIG_CPU
MPX
NIU : Means Not In Use
VPEN POWER
IO_IF
IO_IF
Via
MAIN BOARD
(MAIN_CPU)
3MA14
3MA15
MANI2
MANI1
MANI0
MANI3
MSDCLK
XWAIT
XWAIT
3MA22
MNB_IOCNT
3MA5
3MA0
3MA8
3MA13
CLK_OUT
3MA7
3MA[23:0]
3MA12
3MA9
3MA2
3MA3
3MA11
3MA1
3MA10
3MA4
CLK_OUT
3MA6
MXNB_OPRST
XCS5
MXSDCS
XESPCS
MUDQM
MXSDCAS
XCS0
MXNBCS
XESP_CS
XPLDCS
MXSDRAS
3XXV_CS
3XXV_CS
XCS5
MXSDWE
PROM_VPEN
MSDCKE
MFC_VPP
MANI[4:0]
XPROM_WP
PROM_RYBY
PROM_VPEN
LCD_CONT
3MA16
3MA18
3MA20
3MA19
3MA17
3MA21
MFC_VPP
XNBCS
MUDQM
XPLDCS
TRIG_CLK
MAINCLK
CNTDO
CNTEN1
CNTEN2
XBCYST
CNTCK
XBCYST
3DA_CNTDOCNTDO
CNTEN1
CNTEN2
CNTCK
XMUTE
XPDN
XMUTECNT
XPDN_CNT
XMUTECNT
XPDN_CNT
X3VRST
X3VRST
XMRST
EMURST
XNMI
3MA23
XSRAMCS
3MD15
3MD8
3MD14
3MD0
3MD[15:0]
3MD13
3MD4
3MD6
3MD5
3MD2
3MD10
3MD7
3MD11
3MD12
3MD9
3MD3
3MD1
MXNB_INT
XSOFTRST
3DA_CNTEN1
3DA_CNTCK
3DA_CNTEN2
MUDQM
LCD_CONT
PRG_SEL
MUDQM
MANI4
3MXLWR
3MXLWR
3MXRD
3MXRD
3MXRD
3MXLWR
3MXLWR
3MXRD
X5VRST
X5VRST
+
D3.3
D
D
D
D
D
D
D
D
D
D
D
D
+
5D
D
D D D
D
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
D
+
5D
D
D
D
+
D3.3
+
D3.3
D
D
+
D3.3
+
D3.3
D
D
+
D3.3
D
BAT
+
D3.3
+
D
D
D
+
D3.3
D
+
D3.3
+
D3.3
+
D3.3
D
RA3
22
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
RA7
100
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
R17
68
R15
68
R14
68
R11
68
R21
0
RA13
22
18
27
36
45
RA14
47
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
R18
100
R20
10k
R25
NIU
R39
68
RA5
22
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
R9
0
DA1
RB715F
1 2
3
Q2
DTC114EUA
1
23
D1
12BUDZS@
12
R7
NIU
Q1
DTA114EUA
1
32
R5
2.7k
R35
10k
RA4
47
18
27
36
45
R6
68
RA11
47
18
27
36
45
RA12
47
18
27
36
45
RA15
10k
1 8 2 7 3 6 4 5
C36
0.1
IC8E
TC74VHCT08AFT
14 7
R8
10k
RA10
22
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
IC7E
HD74LV08AT
14 7
C24
0.1
C35
0.1
C25
0.1
C19
0.1
C27
0.1
C23
0.1
C21
0.1
C9
0.1
RA8
22
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
C3
0.1
C20
0.1
R16
4.7k
C22
0.1
C26
0.1
R36
100k
R38
10k
X1
5MHz
CX-49G@
1 2
R26
470
R23
1M
C33
1
R37
4.7k
C11
33p
IC9
M51953BFP
RST
6
DLY
5
VCC
7
GND
4
NC
1
NC
2
NC
3
NC
8
C12
33p
IC5A
TC7WU04FU
1 7
R24
68
C34
NIU
IC5B
TC7WU04FU
3 5
IC5C
TC7WU04FU
6 2
R27
68
R13
47
R41
4.7k
IC7B
HD74LV08AT
4
5
6
IC8A
TC74VHCT08AFT
1
2
3
IC7D
HD74LV08AT
12
13
11
IC7C
HD74LV08AT
9
10
8
IC7A
HD74LV08AT
1
2
3
IC8C
TC74VHCT08AFT
9
10
8
IC8B
TC74VHCT08AFT
4
5
6
R40
22
RA18
10k
1 8
2 7
3 6
4 5
IC8D
TC74VHCT08AFT
12
13
11
R12
47
RA9
10k
18 27 36 45
IC5D
TC7WU04FU
8 4
R403
0
R402
NIU
R405
0
R404
NIU
RA100
10k
18 27 36 45
R2
100k
R429
68
R341
68
TP2
ST-6-2
1
TP3
ST-6-2
1
TP4
ST-6-2
1
TP5
ST-6-2
1
R438
10k
C18
1000p
RA102
0
18
27
36
45
R22
10k
RA19
100
18
27
36
45
RA22
10k
1 8
2 7
3 6
4 5
IC200A
HD74LV08AT
1
2
3
IC200B
HD74LV08AT
4
5
6
IC200E
HD74LV08AT
14 7
C600
0.1
IC200D
HD74LV08AT
12
13
11
R4
100k
R600
NIU
R601
10k
C38
0.1
R612
100
R613
100
R623
100
RA204
10k
18 27 36 45
C8
10/16
C28
10/16
IC200C
HD74LV08AT
9
10
8
R31
100k
R700
10k
C519
1000p
IC2
UPD703106AGJ-UEN@ R03564790
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
MIDI_TX
MIDI_RX
MANI[4:0]
LCD_CONT
EXP_RYBY
XFB_SENS
EXP_VPEN
MMPX_A
MFC_VPP
HLCD_SCL
HLCD_A0
HLCD_SI
MFC_SCK
3XXV_INT
XCF_RYBYB
XCF_STSB
XCF_BFEN
CF_PWCNT
CF_RESET
XCF_RSTEN
EXP_WP
XDB_SENS
XTFC_RST
XMFC_RST
TRIG_TXD
TRIG_RXD
XCF_DETECT
XCF_ATA
MMPX_B
KIT_LED
PREV_TSW
PREV_CSW