Roland Va-7 - CIRCUIT DIAGRAM (XPGS-6 PCB ASSY; SOUND Section)

A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
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26
11
VA-7
July, 2000
40P-SOJ
4M-DRAM
Regulator
DAC I/F
(176P-QFP) (176P-QFP)
Master
Slave
Serial Channel
LSP I/F
XP Write Strobe Patch Circuit
48P-TSOP
128Mbit_MaskROM
48P-TSOP
128Mbit_MaskROM
(3.3V/0.5A)
40P-SOJ
4M-DRAM
XP Write Strobe Patch Circuit
Communication
4M-DRAM
(80P-QFP)
40P-SOJ
NORMAL BENT
ALL MEMORIES ARE
256FS
L[0..2]
HD[0..15]
HA[0..8]
SDOC
XP0WR
SDIB
BCKA
ADBCLK
IA6
ID3
ID5
ID6
IA6
ID7
ID4
ID5
ID0
ID6
ICAS
ID2 IWE
IA0
ID1
IA5
IWE
ID1
ID4
IA3
ID2
IRAS
ID7
IA7
ID3
IA8
IA3
ID0
ID[0..15]
IA2
ICAS
IA7
IRAS
IA2
IA1
IA0
IA1
IA5
S2M4
S2M3
S2M2
S2M2
S2M1
S2M0
S2M1
S2M5
S2M5
S2M0
M2S[0..5]
S2M4
S2M3
S2M[0..5]
XP0CS
XWRL XWRL
G[0..2]
HD1
HA8
M2S4
HA6
HD5
M2S2
HA3
HRAS
M2S3
M2S0
HA5
XP1CS
M2S1
HD6
HD2
HD1
HD3
XRD
M2S4
HD5 HA6
M2S1
HA0
HA4
HA2
HA7
HD6
HD0
M2S5
HA8
HCAS
HA3
HWE
M2S2
HA5
HD4
HD7
HD7
HA1
HA7
M2S0
HA1
HD4
XPCK
HA4
HWE
XP1WR
HD3
HCAS
M2S3
HD0
HD2
HA2
M2S5
HRAS
HD15
HD14
HD13
HD12
HD11
HD10
HD9
HD8
ID15
ID14
ID13
ID12
ID11
ID10
ID9
ID8
ID8
ID9
ID10
ID11
ID12
ID13
ID14
ID15 HD15
HD13
HD12
HD11
HD10
HD9
HD8
HD14
WCS1
WCS3WCS2
WCS3
WCS2
WCS3
WCS0WCS0
WCS1
WCS2
WCS1
WCS[0..4]
WCS0
XPCK
O[0..2]
FD[0..11]
FA[0..8]
FD7
FA4
FD3
FD7
FD9
FA7
FRAS
FA6
ADBCLK
FA5
FD3
FRAS
FD11
FD10
FWE
FA3
TRS0
FWE
FD11
FA2
FA0
FA6
FCAS
FD8
FD0
FA1
FA7
FA3
FD0
FD9
FD6
FD8
FA1
FA2
FA5
BCKA
SDIB
FD10
FD1
SDOC
XRST
FA8
FA4
256FS
FD4
FD4
FD5
FA8
FA0
FD1
FD5
FD2
FD6
FCAS
FD2
A10
A13
A6
A5
A2
A0
A7
A3
A5
A10
A11
A1
A9
A4
A11
A13
A[0..21]
A7
A0
A1
A1
A2
A0
A9
A3 A3
A8
A6
A2
A12 A12
A4
A8
D12D12
D5
D15
D0
D1
D3
D9
D8
D11
D4
D13
D14
D6
D4
D15
D7 D7
D7
D14
D6
D0
D1
D5
D10
D6
D11
D4
D0
D1
D2
D3
D10
D3
D8
D9
D2
D2
D13
D5
D[0..15]
HA0
IA8
IA4
IA4
IA[0..8]
A19
WA12
WD15
WA10
WA3
WA14
WD0
WA21
WA11
WA2
WA5
WA5
WA16
WD7
WA7
WD8
WA23
WD14
WD4
WD4
WA14
WA4
WA21
WA11
WD10
WD5
WA2
WA5
WD10WA18
WA19
WA18
WA23
WA23
WD3
WA20
WA9
WA3
WD4
WD2
WA6
WA6
WA16
WD14
WD3
WA1
WD7
WA18
WD8
WD11
WA1
WD6
WA19
WD14
WA9
WD0
WD5
WA2
XWOE
WA8
WA9
WA12
WD13
WD3
WA20
WD1
WA1
WA9
WA9
WA3
WA21
WA21
WD9
WA15
WA22
WD12
WA11
WD13
WD7
WD15
WD8
WA23
WD3
WD3
WA1
WA10
WD14
WA17
WD4
WD2
WA13
WA22
WD6
WD7
WA12
WD12
WD1
WA1
WA19
WA19
WD14
WA17
WD2
WD2
WA14
WA13
WA13
WA11
WD10
WD5
WA5
WD0
WD7
WA3
WD[0..15]
WD8
WD3
WA20
WD1
WA10
WA17WA17
WA11
WD10
XWOE
WA15
WA16
WD13
WD11
WD13
WA12 WA12
WA7
WD15
WD11
WD12
WA8
WD6
WA13
WA4
WD9
XWOE
WA6
WD1
WA4
WD15
WA10
WA8 WA8
WD6
WA19
WA3
WD9 WD9
WD5
WD5
WA6
WA16
WA22
WD2
WD13WD8
WD11
WA23
WD12
WD3
WA20
WD0
WA21
WD10
WD9
WA15
WA22
WA6
WA7
WD13
WD13
WA12
WA10
WA8
WD6
WA11
XWOE
WD4
WD8
WA2
WA14
WA[1..23]
WD7
WA18
WD14
WA17
WD2
WA4
WD0
WD9
WA20
WA7
WD15
WD15
WD12 WD12
WD1
WD1
WA1
WD6
WA19
WA9
WD4
WA4
WD0
WD10
WA16
WD15
WD8
WD11
WA4
WD0
XWOE
WA15WA15
WA16
WA17
WA13
WA18
WA18
WA7
WD11
WA20
WA8
WD4
WD2
WA14
WA13
WD10
WD5
WA2
WA2
WA6
WA5WA5
WD9
XWOE
WA21
WA7
WD11
WD12
WD14
WA3
WA14
WD5
WA22
WA10
WA15
WA22
WA23
DABCLK
SDDA1
SDDA2
OUTP1
BCKC
TSYNC
TSYNC
SDOC
BCKA
SDIB
XPCK
BCKA
XRST
XPCK
SDOC
256FS
SDIB
ADBCLK
TSYNC
ADBCLK
XP0CS
XP1CS
XP0CS XP1CS
D
D
+
5D
D
D
+
5D
+
D3.3
D
+
5D
+
D3.3
+
D3.3
+
5D
D
D
+
5D
+
5D
+
5D
D
D
+
D3.3
+
D3.3
D
+
D3.3
+
D3.3
+
D3.3
+
5D
D
DD
D
+
5D
D
D
+
5D
+
5D
D
+
5D
+
D3.3
+
5D
+
5D
D D
+
D3.3
+
D3.3
D
+
D3.3
+
D3.3
D
D
D
D
+
5D
+
5D
D
D
+
5D
+
5D
D
D
D
+
5D
D
+
5D
D
+
5D
D
D
D
D
D
D
+
D3.3
D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
D
+
D3.3
D DD
+
D3.3
DD
D
+
D3.3
D
D
D
D
+
D3.3
D D
D
D
D
D
D
+
D3.3
DD D DDD
+
D3.3
D DD
D D
D
D
D DD
+
D3.3
+
D3.3
D D
DD D
DD
D D
D
D
D
D
D
IC19
UPD23C128000LGY-872@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
C87
1/16
C84
0.1
IC18
TC203C180AF(XP6)
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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
VDD5
SDIB
BCKB
WCKB
SDOC
VSS
SDOD
BCKC
WCKC
OUTP1
VDD5 VDD3
OUTP2
OUTP0
VSS
SYO
VSS
SYI
RW
DS
CA10
CA9
CA11
CA8
CA12
CA7
CA13
CA6
CA5
CA4
CA3
CA2
VDD5
CA1
CA0
CD15
CD0
CD7
VSS
CD8
CD14
CD1
CD6
VDD5 VDD5
CD9
CD13
CD2
CD5
CD10
VSS
CD12
CD3
CD4
CD11
VDD3
WAIT
CS
RESET
AS
VSS
INT
VSS
CK
TEST
VDD5
WA23
WA22
WA20
WA21
WA19
VSS
WA18
WA9
WA8
WA10
VDD5
WA7
WA11
WA6
WA12
WA5
VSS
WA13
WA4
WA14
WA3
VDD5 VDD5
WA15
WA2
WA16
WA0
WA1
WA17
VSS
WOE1
WOE0
WD15
VDD3
WD0
WD7
WD8
WD14
VSS
WD1
WD6
WD9
WD13
WD2
WD5
WD10
WD12
WD3
WD4
WD11
VSS
WCS0
WCS1
WCS2
VDD5
WCS3
WCS4
WCS5
WCS6
WCS7
VSS
WREQ
WACK
ED7
VSS
VDD5 VDD5
VSS
ED6
ED5
ED4
ED3
ED2
VSS
ED1
ED0
EWE
VDD3
RAS
CAS
EA8
EA0
VSS
EA7
EA1
EA6
EA2
EA5
EA3
EA4
VSS
SDOA5
SDOA4
SDOA3
SDOA2
SDOA1
SDOA0
VSS
VDD5
SDIA5
SDIA4
SDIA3
SDIA2
SDIA1
VSS
SDIA0
BCKA
WCKA
SDOB
VDD5
C91
0.1
IC11B
TC7W32F
5
6
3
IC23
TC7S08F
1
2
4
53
IC11C
TC7W32F
84
IC11A
TC7W32F
1
2
7
IC22A
TC7WU04F
1 7
IC22B
TC7WU04F
3 5
IC22C
TC7WU04F
6 2
R26
1M
R28
33
R30
1K
R34
100
R36
100
RA13
EXBV8V@JV
100
1 8
2 7
3 6
4 5
R35
100
R37
100
R33
22
RA14
EXBV8V@JV
100
18
27
36
45
RA8
EXBV8V@JV
22K
18
27
36
45
RA10
22K
18
27
36
45
R31
1K
X2
MA-406@
24.576MHz
1 4
R29
470
C59
0.1
RA16
RCE9A@JA
10K
1 2
3
4
5
6
7
8
9
RA17
RCE9A@JA
10K
12
3
4
5
6
7
8
9
C90
1/16
C68
0.1
R24
22K
C37
0.1
IC26
AS4C256K16E0-50JCTR
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
VCC
I/O0
I/O1
I/O2
I/O3
VCC
I/O4
I/O5
I/O6
I/O7
NC
NC
WE
RAS
NC
A0
A1
A2
A3
VCC
GND
A4
A5
A6
A7
A8
OE
UCAS
LCAS
NC
I/O8
I/O9
I/O10
I/O11
GND
I/O12
I/O13
I/O14
I/O15
GND
IC24A
TC74HC27AF
1
2
13
12
IC24C
TC74HC27AF
9
10
11
8
IC24B
3
4
5
6
TP1
RCS00000C
1
C65
1/16
C79
12p
C60
0.1
C88
10/16
C80
15p
IC16
TC74HC175F
13
12
5
4
1
9
15
10
7
2
14
11
6
3
168
D4
D3
D2
D1
CLR
CK
4Q
3Q
2Q
1Q
4Q
3Q
2Q
1Q
VCCGND
C73
0.1
C71
1/16
IC14
TC7S08F
1
2
4
53
C82
1/16
C74
0.1
C70
0.1
C81
10/16
C72
0.1
RA11
EXBV8V@JV
22K
18
27
36
45
IC21
AS4C256K16E0-50JCTR
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
VCC
I/O0
I/O1
I/O2
I/O3
VCC
I/O4
I/O5
I/O6
I/O7
NC
NC
WE
RAS
NC
A0
A1
A2
A3
VCC
GND
A4
A5
A6
A7
A8
OE
UCAS
LCAS
NC
I/O8
I/O9
I/O10
I/O11
GND
I/O12
I/O13
I/O14
I/O15
GND
IC15
MB87837PF
7 33 47 73
2 12 17 23 29 39 42 52 63 69
67
66
68
65
77
79
78
1
13
14
15
16
18
19
20
21
22
80
8
9
5
6
3
11
10
4
48
46
76
41
40
71
70
28
30
31
32
45
44
43
38
37
36
35
34
26
25
24
27
75
74
57
56
55
54
53
51
50
49
64
62
61
58
59
60
72
VDD VDD VDD VDD
VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS
TRS1
TRS0
DALRCK
DABCLK
TRR
ADCC
ADBCLK
EA9
EA8
EA7
EA6
EA5
EA4
EA3
EA2
EA1
EA0
ED4
ED3
ED2
ED1
ED0
RAS
CAS1
CAS0
WE
CPUCK2
CPUCK1
CK
EXTAL
XTAL
XE
X68
CA3
CA2
CA1
CA0
CD7
CD6
CD5
CD4
CD3
CD2
CD1
CD0
XCS
DS
RXW
INT
SYI
SYO
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
C
B
A
G
XG2
XG1
TEST
C58
0.1
RA15
RCE9A@JA
10K
12
3
4
5
6
7
8
9
R32
10K
IC17
TC203C180AF(XP6)
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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
VDD5
SDIB
BCKB
WCKB
SDOC
VSS
SDOD
BCKC
WCKC
OUTP1
VDD5 VDD3
OUTP2
OUTP0
VSS
SYO
VSS
SYI
RW
DS
CA10
CA9
CA11
CA8
CA12
CA7
CA13
CA6
CA5
CA4
CA3
CA2
VDD5
CA1
CA0
CD15
CD0
CD7
VSS
CD8
CD14
CD1
CD6
VDD5 VDD5
CD9
CD13
CD2
CD5
CD10
VSS
CD12
CD3
CD4
CD11
VDD3
WAIT
CS
RESET
AS
VSS
INT
VSS
CK
TEST
VDD5
WA23
WA22
WA20
WA21
WA19
VSS
WA18
WA9
WA8
WA10
VDD5
WA7
WA11
WA6
WA12
WA5
VSS
WA13
WA4
WA14
WA3
VDD5 VDD5
WA15
WA2
WA16
WA0
WA1
WA17
VSS
WOE1
WOE0
WD15
VDD3
WD0
WD7
WD8
WD14
VSS
WD1
WD6
WD9
WD13
WD2
WD5
WD10
WD12
WD3
WD4
WD11
VSS
WCS0
WCS1
WCS2
VDD5
WCS3
WCS4
WCS5
WCS6
WCS7
VSS
WREQ
WACK
ED7
VSS
VDD5 VDD5
VSS
ED6
ED5
ED4
ED3
ED2
VSS
ED1
ED0
EWE
VDD3
RAS
CAS
EA8
EA0
VSS
EA7
EA1
EA6
EA2
EA5
EA3
EA4
VSS
SDOA5
SDOA4
SDOA3
SDOA2
SDOA1
SDOA0
VSS
VDD5
SDIA5
SDIA4
SDIA3
SDIA2
SDIA1
VSS
SDIA0
BCKA
WCKA
SDOB
VDD5
IC13
TC7S00F
1
2
4
53
RA9
EXBV8V@JV
22K
18
27
36
45
C57
0.1
IC9
PQ3DZ53U
1
2
3
4
5
IN
OFF
OUT
NC
GND
C86
0.1
IC22D
TC7WU04F
84
C75
0.1
C83
0.1
C77
0.1
C76
0.1
C78
15p
C53
0.1
C35
0.1
C28
0.1
R25
10K
R27
10K
C41
0.1
C64
0.1
C38
0.1
C48
0.1
C45
0.1
C46
0.1
C39
0.1
C89
10/16
C67
0.1
C30
0.1
C51
0.1
IC25
AS4C256K16E0-50JCTR
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
VCC
I/O0
I/O1
I/O2
I/O3
VCC
I/O4
I/O5
I/O6
I/O7
NC
NC
WE
RAS
NC
A0
A1
A2
A3
VCC
GND
A4
A5
A6
A7
A8
OE
UCAS
LCAS
NC
I/O8
I/O9
I/O10
I/O11
GND
I/O12
I/O13
I/O14
I/O15
GND
IC24D
TC74HC27AF
147
C112
0.1
C110
0.1
C111
0.1
IC20
UPD23C128000LGY-873@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
C34
0.1
C31
0.1
C69
1/16
C66
0.1
C52
0.1
C49
0.1
C40
1/16
C42
0.1
C105
0.1
C33
0.1
R23
10K
C32
0.1
C36
0.1
C63
0.1
C43
0.1
C29
0.1
C47
0.1
C50
0.1
C61
10/16
C44
0.1
C54
1/16
C62
0.1
IC100
UPD23C128000LGY-874@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
IC101
UPD23C128000LGY@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
L5 BK2125HM102
RA12
EXBV8V@JV
100
18
27
36
45
L6 BK2125HM102
L7 BK2125HM102
L8 BK2125HM102
L9
BK2125HM102
L10 BK2125HM102
C210
22pFs
C209
22pFs
C208
22pFs
C207
22pFs
C206
22pFs
XP0INT
XP0WAIT
XRD
XP1INT
XP1WAIT
XRST
XPINI
SETWD
XWRLXWRL XRD
XRST
LSPMUTE
XWRL
CS1
XRD
A[0..21]
D[0..15]
CS2
BCKC
SDDA2
SDDA1
256FS
OUTP1
CIRCUIT DIAGRAM ( XPGS-6 PCB ASSY/ SOUND Section)