Roland VG-88 Service Notes

18
Apr. 2000VG-88
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
12345678910111213141516171819202122232425262728
CIRCUIT DIAGRAM (MAIN-2)
／回路図 (MAIN-2)
+
-
+
-
+
-
12 12
1339-M1
2
4
12
.
R
3
5
1
2
4
0
2
1
5
4
3
0
66
2
A1
0
2
4
A1
1
7 7
T
+
5
DDD
S
TC5
A1
A1
A1
A1
0
2
UC
1
2
2
1
C225
100/16
9
7
C57
70G
LC
ESP(SLAVE)->ESP(MASTER)
P(SLAVE)
TRCKO->TRCKI
RESET
SYO->SYI
ESP(Master)
ED13
ED15
ED14
ED11
ED12
ED10
TRSA0
TRSA1
TRSA2
TRSA3
TRSA4
TRSB1
TRSB3
TRSB2
TRSB5
TRSB4
TRSA5
ED1
ED1
ED1
ED1
ED1
ED1
ED1
ED16
TRSB[0:5]
TRSA[0:5]
TRSB0
ED17
ED1
D
D
+
5D
+
5D
+
5D
IC16
LC324260AJ-60
A8
26
A7
25
A6
24
A5
23
A4
22
A3
19
A2
18
A1
17
A0
16
NC
11
NC
12
NC
15
NC
30
RAS
14
UCAS
28
LCA
29
WE
13
OE
27
I/O16
39
I/O15
38
I/O14
37
I/O13
36
I/O12
34
I/O11
33
I/O10
32
I/O9
31
I/O8
10
I/O7
9
I/O6
8
I/O5
7
I/O4
5
I/O3
4
I/O2
3
I/O1
2
VCC
1
VCC
6
VCC
20
VSS
21
VSS
35
VSS
40
C26
0.1
IC13
TC170C140AF-003
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
13
.
14
.
15
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1
.
12
.
18
.
30
.
41
.
54
.
72
.
90
.
108
.
109
.
126
.
134
.
144
.
.
.
.
.
.
.
. . . . . . . . . . . . .
.
136
.
137
.
138
.
139
.
140
.
141
.
142
.
27
.
26
.
25
.
24
.
23
.
22
.
21
.
20
.
17
.
16
.
49
.
48
.
47
.
46
.
45
.
44
.
43
.
42
.
39
.
38
.
37
.
36
.
35
.
34
.
33
.
32
.
10
.
9
.
8
.
7
.
6
.
5
.
4
.
3
CODEC
DATA
CODEC
CLOCK
ESP(MASTER)->GA,ES
OUTPUT R
INPUT
5th,6th
3rd,4th
1st,2nd
126pin-127pin
ESP
134pin-135pin
OUTPUT L
CD0
CD1
CD2
CD3
CD4
CD5
CD7
CD6
CA12
CA6
CA11
CA10
CA9
CA1
CA13
CA8
CA4
CA3
CA7
CA0
CA2
CA5
DA1
AD0
AD3
FS
256FS
AD2
64FS
AD1
DA3
+
5D
D
+
5D
+
5D
+
5D
+
5D
DDDD
R27 100
R28 47
R29 100
R30 150
C59
0.1
R26
100
C53
0.1
C60
0.1
C58
0.1
74
75
76
77
78
79
81
82
83
84
85
86
87
88
92
93
94
95
96
97
98
99
66
67
68
69
70
62
61
60
59
58
57
56
51
52
53
101
102
103
104
105
106
107
64
65
132
133
29
111
112
113
114
115
116
117
118
120
121
122
123
124
125
128
129
130
131
2
11
19
28
31
40
50
55 63 71 73 80 89 91
100 110 119 127 135 143
ESP
1,144pin-2,143pin
ESP
12pin-11pin
ESP
18pin-19pin
ESP
30pin-31pin
ESP
90pin-80,89,91pin
ESP
41pin-40pin
ESP
54pin-50pin
ESP
72pin-71pin
ESP
108,109pin-110pin
ESP
ESP
126pin-127pin
ESP
134pin-135pin
ED01
ED03
ED05
ED04
ED02
ED00
ED07
ED06
D
+
5D
+
5D
D
D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
D
DD
DDDD
+
5D
+
5D
DD
IC15
LC324260AJ-60
A8
26
A7
25
A6
24
A5
23
A4
22
A3
19
A2
18
A1
17
A0
16
NC
11
NC
12
NC
15
NC
30
RAS
14
UCAS
28
LCAS
29
WE
13
OE
27
I/O16
39
I/O15
38
I/O14
37
I/O13
36
I/O12
34
I/O11
33
I/O10
32
I/O9
31
I/O8
10
I/O7
9
I/O6
8
I/O5
7
I/O4
5
I/O3
4
I/O2
3
I/O1
2
VCC
1
VCC
6
VCC
20
VSS
21
VSS
35
VSS
40
R41
0
R42
0
C42
0.1
C50
0.1
C40
0.1R43
0
0
R172 47
R173
47
C25
0.1
C39
0.1
C41
0.1
C52
0.1
C51
0.1
C56
0.1
C55
0.1
IC12
1 12 18 30 41 54 72 90 108 109 126 134 144
TRSB0
T SB1
TR
TR
TR
T SB5
R171 1 0
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. . . . . . . . . . . . .
.
.
.
.
.
.
.
. . . . . . . . . . . . .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
ESP(Slave)
SB3
SB2
SB4
TRSA4
TRSA2
TRSA3
TRSA1
R
ED0
ED0
ED0
ED0
ED0
ED0
ED0
TRSA0
TRSA5
ED0
D
TC170C140AF-003
74
75
76
77
78
79
81
82
83
84
85
86
87
88
92
93
94
95
96
97
98
99
66
67
68
69
70
62
61
60
59
58
57
56
51
52
53
101
102
103
104
105
106
107
64
65
132
133
13
14
15
29
111
112
113
114
115
116
117
118
120
121
122
123
124
125
128
129
130
131
2
11
19
28
31
40
50
55 63 71 73 80 89 91
100 110 119 127 135 143
136
137
138
139
140
141
142
27
26
25
24
23
22
21
20
17
16
49
48
47
46
45
44
43
42
39
38
37
36
35
34
33
32
10
9
8
7
6
5
4
3
67.7376MHz
ESP
41pin-40pin
ESP
108,109pin-110pin
ESP
90pin-80,89,91pin
ESP
54pin-50pin
ESP
30pin-31pin
ESP
18pin-19pin
ESP
72pin-71pin
ESP
12pin-11pin
ESP
1,144pin-2,143pin
D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
D
DD
DDDD
D
D
X2
OE
1
GND OUT
3
VDD
L11
BLM41A800S
C61
0.1C37
0.1
C49
0.1
C36
0.1
C35
0.1
C48
0.1
C46
0.1
C54
0.1
C47
0.1
C38
0.1
GA
144pin-1pin
GA
18pin-19pin
GA
36pin-37pin
GA
39pin-40pin
GA
54pin-55pin
GA
72pin-73pin
GA
89,90pin-91,92pin
GA
108pin-109pin
GA
126pin-127pin
CD0
CD1
CD3
CD2
CD4
CD7
CD6
CD5
LCD2
LCD1
LCD0
LCD6
LCD5
LCD3
LCD7
LCD4
CA9
CA8
CA6
CA3
CA2
CA11
CA4
CA10
CA5
CA1
CA12
CA13
CA7
CA0
LRCK
LCD_CON
+
5D
D
D
+
5D
+
5D
+
5D
+
5DD
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
D
+
5D
-
D
+
5D
D
D
D
DD
D
D
D
R155 150
C24
0.1
C30
0.1
C34
0.1
C32
0.1
IC36
5257DFL-55L
4
1
3
26
2
2
1
23
A1
21
A9
24
A8
25
A7
3
A6
4
A5
5
A4
6
A3
7
A2
8
A1
9
A0
10
CE
20
R/W
27
OE
22
I/O8
19
I/O7
18
I/O6
17
I/O5
16
I/O4
15
I/O3
13
I/O2
12
I/O1
11
VDD
28
GND
14
IC17A
UPC4570G
2
3
1
R35
10k
R36
15k
R37
8.2K
R38
2. K
IC17B
P 4570G
6
5
7
R181
15k
R182
ERTJ1VR153J
C20
0.1
220/6 3
C28
0.1
C33
0.1
C44
0.1
C29
0.1
C45
0.1
C27
0.1
IC17C
UPC45
84
.
.
. . . . . . . . .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
CPU
<-->
GA
GA-ESP
GA-ESP
TRSA0
TRSA1
TRSA2
TRSA3
TRSA4
TRSA5
CD5
CD6
CD7
CD4
CD2
CD3
CD1
CD0
CD[0:7]
A1
3
A1
A1
A8
A3
A7
A2
A6
A1
A0
A4
1
A2
A9
A5
A2
LCD2
LCD1
LCD0
LCD5
LCD4
LCD7
LCD3
LCD6
D4
D1
D3
D0
D7
D6
D5
D2
A0
CA8
CA10
CA9
CA[0:13]
CA12
CA7
CA6
CA0
CA4
CA3
CA11
CA2
CA5
CA1
CA13
CPU_WR
CS4_CPU
CS3_CPU
INT_BPM2
INT_BPM1
INT_ZERO
CPU_RD
CS2_CPU
LCD_DISP
CPU_WR
CS5_CPU
CPU_RD
RESET
D
+
5D
D
+
5D
D
D
D
D
D
C206
0.1
R39
1k
R160
1M
IC35
SED1335F0B
OSC
17
OSC
18
D7
29
D6
28
D5
27
D4
26
D3
25
D2
24
D1
23
D0
22
A0
20
RD
13
WR
14
CS
19
RES
10
SEL
15
SEL
16
XD3
30
XD2
31
XD1
32
XD0
33
XSCL
35
XECL
34
LP
37
WF
38
YSCL
41
YD
40
YDIS
39
VA15
50
VA14
51
VA13
52
VA12
53
VA11
54
VA10
55
VA9
56
VA8
57
VA7
58
VA6
59
VA5
1
VA4
2
VA3
3
VA2
4
VA1
5
VA0
6
VD7
42
VD6
43
VD5
44
VD4
45
VD3
46
VD2
47
VD1
48
VD0
49
VWR
7
VRD
9
VCE
8
VDD
21
VSS
36
NC
11
NC
12
NC
60
R159
47
X3
CST4.19MGW
1
2
3
RA15
N.I.U.
18
27
36
45
C226
100/16
C20
10/16
R40
10k
RA16
N.I.U.
18
27
36
45
IC11
22039CT-SA6
.
96
.
94
.
85
.
87
.
86
35
38
18 37 40 54 73 89 90 109 126
.
84
42
.
95
97
.
1
.
19
.
36
.
39
.
55
.
72
.
91
.
92
.
108
.
127
41
135
123
2
98
99
9
8
7
6
5
4
3
142
141
140
139
138
137
118
116
114
112
110
111
113
115
107
106
105
104
100
101
102
103
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
17
16
15
14
13
12
11
63
62
61
60
59
58
57
56
52
51
50
49
48
47
46
45
82
81
80
79
78
77
76
75
74
71
70
69
68
67
66
65
64
136
133
134
125
121
129
131
132
130
128
124
122
120
119
117
88
.
83
93
53
10
44
43
143
CPU
CPU
RESET
Analog +15V
Analog -15V
Digital +5V
CPU +3.3V
AD/DA +5V
LCD
1.FLM
2.LP
3.CP
4.M
5.VADJ
6.VCC
7.VSS
8.VEE
9.D0
10.D1
11.D2
12.D3
15.LED_K
13.DISP
14.LED_A
LCD
DMF-50374NY-LY
A[0:22]
D15
D8
D11
D13
D4
D[0:15]
D10
D1
D3
D14
D12
D9
D0
D7
D6
D5
D2
RESET
+
5D
D
D
+
5D
D
-
+
D3.3
D
+
+
-
A
A
C194
100/6.3
R183
1K
Q13
2SD1758
1
32
D9
N.I.U.
12
D8
RD5.6M-B3
12
CN7
WIRING LCD
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
CN6
B10B-XH-A
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
C193
10/16
C192
100/6.3
A[0:22]
D[0:15]

Roland VG-88 Specifications

General

Brand	Roland
Model	VG-88
Category	Music Pedal
Language	English