Roland G-70 - Circuit Board & Circuit Diagram (Srx)

G-70
Feb.2005
129
128
CIRCUIT BOARD & CIRCUIT DIAGRAM (SRX)
View from component side
SWD2
SWD14
BSRXCS0
SWD6
SWD1
SWD9
SWD10
SWD8
SWD4
SWD5
SWD7
SWD11
SWD0
SWD12
SWD3
EXWOE
SWD13
SWD15
BSRXCS0
EEPDI
EWA7
EWA20
EWA13
EWA13
EWA6
EWA24
EWA19
EWA4
SWD2
EWA9
EWA20
EWA10
EWA15
SWD10
EEPDI
SRXCS0
EWA14
EWA23
EWA8
EWA3
EWA24
EWA18
EWA16
EWA4
EWA5
EWA2
SWD8
SWD12
EEPSK
EWA22
EWA3
EWA15
EWA21
EWA12
EWA14
EEPDO
EWA18
EEPDO
EWA16
EWA11
EEPCSA
SWD0
EWA11
EWA17
SWD15
SWD9
SWD5
EEPSK
EWA2
SRXCS1
EWA23
EWA1
SWD14
EEPDO
EWA1
EWA9
SWD1
SWD4
SWD11
EWA17
EWA10
SWD6
SWD3
EWA12
EXWOE
XRST
EWA22
EWA21
EEPDI
EWA5
EWA8
EWA6
SWD7
SWD13
EEPCSA
EEPSK
EWA19
EWA7
XRST
EWD14
EWD2
EWD14
EWD15
EWD7
EWD5
EWD13
EWD3
EWD6
EWD9
EWD0
EWD[0..15]
EWD5EWD4
EWD12
EWD4
EWD0
EWD15
EWD7
EWD13
EWD10EWD11
EWD6
EWD8
EWD2
EWD1
EWD9
EWD1
EWD10
EWD8
EWD3
EWD11
EWD12
D+3.3V
D
D
D
D D
D+3.3V
D
D
D+3.3V
D+3.3V
D
D
D+3.3V
D+3.3V
SRX SLOT
C16
0.1
C16
0.1
1 8
2 7
3 6
4 5
RA9
4x10
RA9
4x10
1 8 2 7 3 6 4 5
RA15
4x10k
RA15
4x10k
2 1
C15
10uF16
C15
10uF16
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
CN1
32FE-BT-VK-N
CN1
32FE-BT-VK-N
R7
33
R7
33
B
3
A
2
G
1
Y3
7
Y2
6
Y1
5
Y0
4
IC2A
TC74VHC139F
IC2A
TC74VHC139F
21
C9 10uF16C9 10uF16
C13 0.1C13 0.1
1 8
2 7
3 6
4 5
RA11
4x10
RA11
4x10
R1
10
R1
10
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
CN2
34FE-BT-VK-N
CN2
34FE-BT-VK-N
C7 0.1C7 0.1
B
13
A
14
G
15
Y3
9
Y2
10
Y1
11
Y0
12
IC2B
TC74VHC139F
IC2B
TC74VHC139F
C3 0.1C3 0.1
C11 0.1C11 0.1
C18
0.1
C18
0.1
R8
10
R8
10
C5 0.1C5 0.1
1 8
2 7
3 6
4 5
RA5
4x10
RA5
4x10
C10 0.1C10 0.1
VCC
16
GND
8
IC2C
TC74VHC139F
IC2C
TC74VHC139F
2 1
C1
10uF16
C1
10uF16
1 8
2 7
3 6
4 5
RA7
4x10
RA7
4x10
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
41
41
42
42
43
43
44
44
45
45
46
46
47
47
48
48
49
49
50
50
51
51
52
52
53
53
54
54
55
55
56
56
57
57
58
58
59
59
60
60
61
61
62
62
63
63
64
64
65
65
66
66
67
67
68
68
69
69
70
70
71
71
72
72
73
73
74
74
75
75
76
76
77
77
78
78
79
79
80
80
CN3
TX25-80P-6ST-E1
CN3
TX25-80P-6ST-E1
1 8
2 7
3 6
4 5
RA14
4x10k
RA14
4x10k
R9
10
R9
10