Roland VG-88 Service Notes

21
Apr. 2000 VG-88
A
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E
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CUIT DIAGRAM (SW-1)
／回路図 (SW-1)
RK11K1140
4
OUTPUT VR
TO CN8
on
MAIN
BOARD
SW(3) SW(4) SW(CTL)SW(2)SW(1)
SCAN 1
READ 1
READ 2
READ 3
READ 4
READ 5
READ 6
READ 7
GND
TO CN5 on MAIN BOARD
NUMBER SW ASSY
LED5
LED4
LED3
LED2
LED1
SW(DOWN) SW(UP)
BANK SW ASSY
EXP PEDAL
EXP VR BOARD ASSY
71565256
TO CN1
on
MAIN
BOARD
NUMBER BANK ASSY 71674745
VR2A
RK14K12D0(10kAx2)
23 13
2212
1
CN6
WIRING OUTPUT VR
1
1
2
2
3
3
4
4
5
5
D5
1SS133
12
SW2
SKQKAH
12
SW3
SKQKAH
12
SW4
SKQKAH
12
SW5
SKQKAH
12
D4
1SS133
12
D3
1SS133
12
D2
1SS133
12
LED3
SLR-332VR3F
12
R5 1kR3 1kR2 1kR1 1k
LED2
SLR-332VR3F
12
LED1
SLR-332VR3F
12
LED5
SLR-332VR3F
12
CN1
IL-FPC-14SL-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
SW1
SKQKAH
12
D1
1SS133
12
LED4
SLR-332VR3F
12
R4 1k
D7
1SS133
12
D6
1SS133
12
SW7
SKQKAH
12
SW6
SKQKAH
12
VR1A
1
2
3
CN4
WIRING EXP VR
1
1
2
2
3
3
LEVEL
/BPM/KEY
EZ EDIT
NAME
/CHAIN
CURSOR
DOWN
CURSOR
RIGHT
CURSOR
LEFT
WRITEEXIT
TUNER
PEDALL
/ASSIGN
SW24
SKQKAB
12
SW17
SKQKAB
12
SW14
SKQKAB
12
SW16
SKQKAB
12
SW13
SKQKAB
12
SW15
SKQKAB
12
212
SW12
SKQKAB
12
SW9
SKQKAB
12
SW25
SKQKAB
12
SW11
SKQKAB
12
D17
1SS133
12
D24
1SS133
12
D25
1SS133
12
D16
1SS133
12
D15
1SS133
12
12
D11
1SS133
12
33
12
D12
1SS133
12
D14
1SS133
12
D13
1SS133
12
D9
1SS133
12
COSM GUITAR COSM AMP EFFECT
OUTPUT
SELECT
ENCODER
SCAN 4
SCAN 3
SCAN 2
READ 1
READ 2
READ 3
READ 4
READ 6
READ 7
READ 8
ENC A
PAGE (+)
CUSOR
UP
F1 F2 F3
F4 F5 F6
7SEG BOARD ASSY
TO CN4 on MAIN BOARD
GUITAR_AMP
POWER_AMP+SP
/RETURN
LINE
/HEADPHONES
PAGE (-)
READ 5
ENC B
PANEL SW ASSY
7SEG PANEL SW ASSY 71674756
+
5D
D
+
5D
D
D30
1SS133
12
SW30
SKQKAB
12
SW21
SKQKAB
12
SW20
SKQKAB
12
SW29
SKQKAB
12
SW22
SKQKAB
12
SW19
SKQKAB
12
SW28
SKQKAB
12
SW23
SKQKAB
12
SW18
SKQKAB
12
SW27
SKQKAB
12
SW26
SKQKAB
12
SW10
SKQKAB
1
SW8
SKQKAB
D29
1SS133
12
D28
1SS133
12
D21
1SS133
12
D20
1SS133
12
D19
1SS133
12
D22
1SS133
12
D23
1SS133
12
D18
1SS133
12
D27
1SS133
12
D26
1SS133
12
D10
1SS133
D8
1SS1
LED6
SLR-332VR3F
12
LED7
SLR-332VR3F
12
LED8
SLR-332VR3F
12
R6 1k
R7 1k
R8 1k
CN5
24FE-BT-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
AB
EN
EN1A
EVQ VEM F01 24B
1 4 2
IC1
M66312P
QA
15
QB
1
VCC
16
A
14
OE
13
CKL
12
R
10
CKS
11
GND
8
SQH
9
QH
7
QG
6
QF
5
QE
4
QD
3
QC
2
LED9
SL-1264H
A1
16
B1
15
C1
3
D1
2
E1
1
F1
18
G1
17
COM1
14
COM2
13
A2
11
B2
10
C2
8
D2
6
E2
5
F2
12
G2
7
DP1
4
DP2
9
R10 680
R9 680
R16 680
R15 680
R14 680
R23 680
R24 680
R17 680
R12 680
R11 680
R21 680
R19 680
R18 680
R13 680
R20 680
R22 680
IC2
M66310P
QA
1
QB
2
VCC
3
A
4
OE
5
CKL
6
R
7
CKS
8
GND
9
SQP
10
QO
11
QP
12
QN
13
QM
14
QL
15
QK
16
QJ
17
QI
18
QH
19
QG
20
QF
21
QE
22
QD
23
QC
24
CN8
RIBON CABL 5X40-P2.0
1
1
2
2
3
3
4
4
5
5
CN7
RIBON CABL 5X40-P2.0
5
5
4
4
3
3
2
2
1
1
CN2
RIBON CABL 3X70-P2.0
1
1
2
2
3
3
CN3
RIBON CABL 3X70-P2.0
1
1
2
2
3
3

Roland VG-88 Specifications

General

Brand	Roland
Model	VG-88
Category	Music Pedal
Language	English