Roland VG-88 - Power On and Guitar Tuning

17
Apr. 2000 VG-88
A
B
C
D
E
F
G
H
I
J
K
L
M
N
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CIRCUIT DIAGRAM (MAIN-1)
／回路図 (MAIN-1)
-
+
-
+
-
...
CLKSEL:PLL Mo de
R)
W)
E
0
0
GK_S1
GK_S2
DDDD
D
D
+
5D
D
D
DD
2
18 27 36 45
1
2
3
4
4
2
8
R7
4.7k
9
83
117 135
18
19
20
21
22
23
24
25
DATA BUS
[D0-D15]
LITHIUM BAT
D[0:15]
A[0:22]
+
5D
D
+
5D
D
+
5D
D
+
5D
D
IC3A
TC75S51F
3
1
4
C5
0.1
BT1
BH-32
12
IC3B
TC75S51F
52
R2
1M
R4
10k
DA1
RB715F
12
3
R1
10k
C229
N.I.U.
RA10
EXBA10E103J
C14
0.1
C123
0.1
ADDRESS BUS
[A0-A22]
D15
D4
D5
D12
D10
D1
D3
D10
D14
D2
D3
D14
D0
D1
D7
D8
D8
D9
D10
D0
D4
D2
D11
D12
D4
D7
D2
D11
D1
D15
D3
D8
D15
D6
D14
D5
D6
D5
D12
D13
D6
D7
D11
D9
D13
D13
D9
D0
CS1
CS0
A14
A10
A8
A16
A18
A6
A15
A15
A10
A20
A13
A13
A4
A4
A9
A18
A6
A8
A3
A17
A7
A15
A14
A14
A1
A5
A9
A1
A3
A0
A2
A2
A17
A4
A4
A11
A9
A9
A2
A8
A8
A2
A5
A16
A16
A11
A11
A7
A7
A7
A12
A16
A14
A19
A13
A11
A3
A3
A17
A17
A5
A16
A6
A10
A19
A12
A12
A17
A13
A18
A15
A15
A2
A10
A19
A12
A5
A6
A1
A1
+
5D
D
D
FA17
1
FA18
1
FA16
1
FA15
1
FA14
1
FA13
1
FA12
1
FA11
1
FA10
1
FA9
1
FA8
1
FA7
1
FA6
1
FA5
1
FA4
1
FA3
1
FA2
1
FA1
1
FA0
1
FD1
1
FD2
1
FD3
1
FD4
1
FD5
1
FD6
1
FD7
1
FD8
1
FD9
1
FD10
1
FD12
1
FD13
1
FD14
1
FD0
1
FD15
1
CS1
1
IC4
UPD431000AGW-70LL
A16
2
A15
31
A14
3
A13
28
A12
4
A11
25
A10
23
A9
26
A8
27
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
CE2
30
CE1
22
R/W
29
OE
24
I/O8
21
I/O7
20
I/O6
19
I/O5
18
I/O4
17
I/O3
15
I/O2
14
I/O1
13
NC
1
VDD
32
VSS
16
IC2
UPD431000AGW-70LL
A16
2
A15
31
A14
3
A13
28
A12
4
A11
25
A10
23
A9
26
A8
27
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
CE2
30
CE1
22
R/W
29
OE
24
I/O8
21
I/O7
20
I/O6
19
I/O5
18
I/O4
17
I/O3
15
I/O2
14
I/O1
13
NC
1
VDD
32
VSS
16
CS0
1
RD
1
IC5
E28F800B5B70
A18
16
A17
17
A16
48
A15
1
A14
2
A13
3
A12
4
A11
5
A10
6
A9
7
A8
8
A7
18
A6
19
A5
20
A4
21
A3
22
A2
23
A1
24
A0
25
*/DQ15
45
BYTE
47
RESET
12
CE
26
WE
11
OE
28
DQ14
43
DQ13
41
DQ12
39
DQ11
36
DQ10
34
DQ9
32
DQ8
30
DQ7
44
DQ6
42
DQ5
40
DQ4
38
DQ3
35
DQ2
33
DQ1
31
DQ0
29
NC
13
VCC
37
VSS
46
VSS
27
RY/BY
15
NC
14
NC
9
NC
10
FA19
1
FA20
1
FD11
1
12
3 4 5 7 8 9
10 6
C8
0.1
C4
0.1
CPU_RD
ZERO-OHM
MAIN BOARD ASSY (1/3)
71563501
+
5D
D
D
D
D
D
+
5D
+
5D
D
DD
+
5D
+
5D
+
5D
+
5D
C18
10p
C19
10p
C11
0.1
CN3
1
1
2
2
IC6
TC7SH04F
24
53
CN2
N.I.U.
1
1
2
2
R18
10k
R16
10k
RA28
EXBV8V101JV
RA29
EXBV8V101JV
RA31
EXBV8V101JV
RA30
EXBV8V101JV
C223
0.01
C22
0.01
C9
0.1
RA22
EXBV8V101JV
X1
MA-406(8MHz)
14
C16
0.1
C15
0.1
RA23
EXBV8V101JV
IC8
TC7SH32F
1
2
4
53
C20
0.1
RA25
EXBV8V101JV
C17
0.1
RA24
EXBV8V101JV
R10
10k
R177
10k
36
34
35
45
62
144
65
63
64
RA27
EXBV8V101JV
RA26
EXBV8V101JV
ROM Less Mode 0
16bit Data B us
D11
D13
D0
D3
D6
D4
D12
D14
D5
D10
D1
D8
D9
D2
D15
D7
A18
A2
A20
A17
A8
A11
A4
A12
A21
A22
A19
A16
A1
A9
A15
A6
A0
A10
A7
A14
A5
A13
A2
A3
CS3_CPU
CS5_CPU
CS4_CPU
CS2_CPU
D
+
D33
+
5D
DD
+
5D
+
D33
+
D33
C2
0.1
C1
0.1
18
27
36
45
18
27
36
45
18
27
36
45
18
27
36
45
R174 47
18
27
36
45
R176 68
18
7
36
45
18
27
36
45
R175 100
R17
10k
18
27
36
45
IC1
100 126
88
89
90
91
92
93
94
95
96
97
98
99
70
69
68
67
66
109
110
111
112
113
114
115
116
136
137
138
139
140
141
142
143
118
119
120
121
122
123
124
125
101
102
103
104
105
106
107
108
127
128
129
130
131
132
133
+
5D
R22
10k
UPD703100GJ-40-8EU
P04/DMARQ0/INTP100
P05/DMARQ1/INTP101
P06/DMARQ2/INTP102
P00/TO10 0
P01/TO10 1
P03/TI10
P02/TCLR10
AVREF
AVDD
AVSS
VDD
CVDD
P07/DMARQ3/INTP103
RESET
HVDD HVDD
VDD
VSS VSS VSS VSS
P93/WR
P92/RD
P91/UCAS/UWR
P90/LCAS/LWR
P87/RAS7/CS7
P86/RAS6/CS6
P85/IORD/RAS5/CS5
P84/IOWR/RAS4/CS4
P83/RAS3/CS3
P82/RAS2/CS2
P81/RAS1/CS1
P80/RAS0/CS0
MODE3
MODE2
MODE1
MODE0
CVSS
CKSEL
X2
X1
P17/DMAAK3/INTP113
P16/DMAAK2/INTP112
P15/DMAAK1/INTP111
P14/DMAAK0/INTP110
P13/TI11
P12/TCLR11
P11/TO11 1
P10/TO11 0
P107/TC3/INTP123
P106/TC2/INTP122
P105/TC1/INTP121
P104/TC0/INTP120
P103/TI12
P102/TCLR12
P101/TO121
P100/TO120
P77/ANI 7
P76/ANI 6
P75/ANI 5
P74/ANI 4
P73/ANI 3
P72/ANI 2
P71/ANI 1
P70/ANI 0
P20/NMI
P21
P22/SO0/TXD0
P23/SI0/RXD0
P24/SCKO
P25/SO1/TXD1
P26/SI1/RXD1
P27/SCK1
P37/SCK2/INTP133
P36/SI2/INTP132
P35/SO2/INTP131
P34/INTP130
P33/TI13
P32/ TCLR13
P31/TO131
P30/TO130
P117/SCK3/INTP143
P116/SI3/INTP142
P115/SO3/ /INTP141
P114/ INTP140
P113/TI14
P112/ TCLR14
P111/TO141
P110/TO140
P127/ADTRG/ INTP153
P126/ INTP152
P125/ INTP151
P124/ INTP150
P123/TI15
P122/ TCLR15
P121/TO151
P120/TO150
CLKOUT/PX7
WAIT/PX6
REFRQ/PX5
HLDRQ/P97
HLDAK/P96
OE/P95
BCYST/P94
RESET
RESET
CPU_RD
CPU_WR
CPU_RD
CPU_WR
RESET
+
5D
+
5D
D
D
D
D3
1SS352
12
IC10
M51953AFP
RST
6
DLY
5
VCC
7
GND
4
NC
1
NC
2
NC
3
NC
8
C23
1/5 0
C216
0. 01
C21
0.1
ANALOG MUTE
MUTE
+
5D
D
D
Q2
2SA1586GR
1
32
R23
2.2k
D2
1SS352
12
R25
470k
C22
330/6.3
R24
10k
BATTERY
EXP PEDAL
SUB PEDAL(V
SUB PEDAL(S
GK_SY.VOL
from GK_CN
MIDI_MUT
MIDI_OUT
MIDI_IN
SW_SCAN1
SW_SCAN2
SW_SCAN3
SW_SCAN4
SW_READ7
SW_READ6
SW_READ5
SW_READ4
SW_READ3
SW_READ2
SW_READ1
LED_CKS
LED_A
LED_CKL
FLASH_RY/BY(SHARP ONLY)
SW_READ8
GK_VOL
INT_BPM1
INT_ZERO
GK31
GK10
GK21
GK30
GK11
GK20
LCD_DISP
LCD_CONT
LRCK
GK61
GK50
GK51
GK60
INT_BPM2
GK41
GK40
+
5D
+
5D
+
5D
+
5D
D
D
+
5D
+
5D
D
D
RA2
EXBV8V103JV
18 27 36 45
RA3
EXBV8V103JV
18 27 36 45
RA1
EXBV8V103JV
18 27 36 45
RA19
EXBV8V103JV
18 27 36 45
RA21
EXBV8V103JV
8
7
6
5
R153 10k
R154 10k
R158
10k
RA20
EXBV8V103JV
18
27
36
45
R180
10k
SW READ[5: 8]
SW READ[1: 4]
SW_READ1
SW_READ3
SW_READ2
SW_READ4
SW_READ5
SW_READ6
SW_READ7
SW_READ8
GK-IN
ANALOG-SW
CKS
CKL
A
SW SCAN[1:4 ]
D
D
+
5D
D
+
5D
D
+
5D
D
D
+
5D
D
+
5D
+
5D
+
5D
+
5D
D
+
5D
D
+
5D
RA9
EXBV8V103JV
RA14
EXBV8V103JV
18 27 36 45
RA5
EXBV8V103JV
18 27 36 45
C190
10/16
C186
10/16
18
27
36
45
RA4
N.I.U.
18
27
36
45
RA13
N.I.U.
18
27
36
45
RA8
N.I.U.
18
27
36
45
IC37B
TC7W14F
35
IC37A
TC7W14F
17
R34
33k
R32
33k
C43
0.022
R33
2.2k
IC37C
TC7W14F
62
IC37D
TC7W14F
84
C208
0.1
C31
0.022
C185
10/16
C18
10/16
R31
2.2k
C187
10/16
C189
10/16
C191
10/16
MIDI
SUB EXP/CTL
To CN5 on PANEL SW BOARD
EXP PEDAL
To CN1 on NUMBER SW BOARD
+
5D
+
5D
+
5D
+
5D
D
+
5D
+
5D
D
+
5D
+
5D
D
+
5D
D
D
+
5D
+
5D
D
D
+
5D
D
D
+
5D
D
Q1
2SA1586GR
1
32
L1
N2012Z601
L2
N2012Z601
IC7B
TC74HC04AF
34
IC7C
TC74HC04AF
56
IC7F
TC74HC04AF
1312
IC7E
TC74HC04AF
1110
IC7D
TC74HC04AF
98
IC7G
TC74HC04AF
147
IC7A
TC74HC04AF
12
L3
N.I.U.
L4
N.I.U.
D1
1SS35
12
IC9
PC410KT
64
1
3
5
JK1
HLJ0544-01-010
1
2
3
R6
10k
R21
100
R19
120
R20
2.2k
C13
0.1
R14
10k
R15
220
R13
220
R11
3.3k
C10
0.1
C12
0.1
R8
10k
2
45
IN OUT
2
45
JK2
YKF51-5054
2 3 1 5 4 6
7
8
9
10
RA18
EXBV8V103JV
18 27 36 45
CN1
S3B-PH-K-S
1
1
2
2
3
3
R3
1k
C3
0.1
R5
470k
DA2
1SS302
21
3
DA3
1SS302
21
3
CN4
24FE-ST-VK-N
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
RA17
N.I.U.
CN5
14FE-ST-VK-N
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
R9
47k
C6
100p
C7
0.01
4
3
2
8
7
5
6
1
71
10
11
12
13
14
15
16
17
26
27
28
29
30
31
32
33
37
38
39
40
41
42
43
44
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
72
73
74
75
76
77
78
79
80
81
82
84
85
86
87
PB7/A15
PB6/A14
PB5/A13
PB4/A12
PB3/A11
PB2/A10
PB1/A9
PB0/A8
P47/D7
P46/D6
P45/D5
P44/D4
P43/D3
P42/D2
P41/D1
P40/D0
PA7/A7
PA6/A6
PA5/A5
PA4/A4
PA3/A3
PA2/A2
PA1/A1
PA0/A0
P67/A23
P66/A22
P65/A21
P64/A20
P63/A19
P62/A18
P61/A17
P60/A16
P57/D15
P56/D14
P55/D13
P54/D12
P53/D11
P52/D10
P51/D9
P50/D8
134
18
27
36
45
18
27
36
45
A[0:22]
D[0:15]