Roland VG-8EX Service Notes page 22

VG-8EX
1 2 3 4 5 6
A
PANEL BOARD ASS'Y
B
VCC
CN1
C +5VD 1
+5VD 2
DGND 3
DGND 4
LEDD0 5
LEDD1 6
LEDD2 7
LEDD3 8
D
LEDD4 9
LEDD5 10
LEDD6 11
LEDD7 12
ENCA 13
ENCB 14
WIRING 1
E
CN2
SCAN0 1
F SCAN1 2
SCAN2 3
SCAN3 4
SWD0 5
SWD1 6
SWD2 7
SWD3 8
SWD4 9
G
SWD5 10
SWD6 11
SWD7 12
WIRING 2
H
I
J
K
L
M
N
O
100V:BLUE
P
12OV:YELLOW
SW301
230V:BROWN
WK2A44 6A/250V
240V:RED
2
WIRING10
L
Q
WIRING11
N
100V,120V:
CM-11 18A/250V/3P
WHITE
1
R
TR301
TRANSFORMER
100V:22453551N0
12OV:22453552C0
230V/240V:22453553D0
S
230V,240V:
CCT-2102-0201 2.5A/250V/2P
T
U
22
7 8 9 10 11 12
IC1
1 18
IN1 OUT1
2 17
IN2 OUT2
3
16
IN3 OUT3
4
15
OUT4
IN4
5 14
IN5 OUT5
6 13
IN6 OUT6
7 12
IN7 OUT7
8 11
OUT8
IN8
VCC 9 GND 10
VCC
R13
TD62785P
330
C2
0.1u
D25
SLR-342VR
IC2
1 18
IN1 OUT1
2 17
IN2 OUT2
3 16
IN3 OUT3
4 15
IN4
OUT4
14
5
IN5 OUT5
6 13
IN6 OUT6
12 VCC
7
IN7 OUT7
8 11
IN8 OUT8
9 VCC 10
GND
TD62381P
C3
0.1u
D1 SW1 D2 SW2 D3 SW3 D4 SW4
2 1 2 1 2 1 2 1
1SS-133 1SS-133 1SS-133 1SS-133
SKQEAA SKQEAA SKQEAA SKQEAA
(F1) (F2) (F3) (F4)
D20 SW20
2 1
1SS-133
SKQEAA
(PAGE)
D13 SW13 D14 SW14 D15 SW15
2 1 2 1 2 1
1SS-133 SKQEAA 1SS-133 SKQEAA 1SS-133 SKQEAA
(COMPARE) (COPY) (WRITE)
R16 R15 R17
10k 10k 10k
POWER BOARD ASS'Y
L201
CN301 CN201
8 RED
1 9.6V 9.6V 1
BL02RN2
2 C.T C.T 2
3 9.6V 9.6V 3
7 BLACK
4 8.9V 8.9V 4
L202
5 N.C N.C 5
6 8.9V 8.9V 6
6 RED
5557-06R 5569-06A1 BL02RN2
5 ORANGE
ORANGE
4
C214 C216 C218
0.1u 0.1u 0.1u L203
C215 C217
0.1u 0.1u
BL02RN2
L205
BL02RN2
L204
BL02RN2
13 14 15 16 17 18
R8 100
100
R7
R6 100
R5 100
R4 100
R3 100
R2 100
R1 100
R12
330
2 2
D24
SLR-342VR
1 1
D5 SW5 D6 SW6 D7 SW7 D8 SW8
2 1 2 1 2 1 2 1
1SS-133 1SS-133 1SS-133 1SS-133 SKQEAA
SKQEAA SKQEAA SKQEAA
(F5) (F6) (PLAY) (SYSTEM)
D9 SW9 D10 SW10 D11 SW11 D12 SW12
2 1 2 1 2 1 2 1
1SS-133 1SS-133 1SS-133 1SS-133 SKQEAA
SKQEAA SKQEAA SKQEAA
(CURSOL L) (CURSOL R) (CURSOL U) (CURSOL D)
D16 SW16 D17 SW17 D18 SW18 D19 SW19
2 1 2 1 2 1 2 1
1SS-133 SKQEAA 1SS-133 SKQEAA 1SS-133 SKQEAA 1SS-133 SKQEAA
(COMMON) (INST) (EFFECT) (EQ/VOL)
R14 R18 R20 R19
10k 10k 10k 10k
Q201
2SA1931
3 2
1
R202 R203
L206 330 330
C219
DSS310-55D223S
C201 220p
1
8
2200u/16 R201 DRV SC
1 O 3 SE 2
7
I PCD
G
6 C 3
D202 VCC
1 5 GND 4
2 0.22(1/2W)
S4VB20 CP
C205
C202
2 4
IC201 820p
0.1u
M5291P
R204 R205
3
1k_MF 3.3k_MF
PG
IC202
C206 C212
AN7807F
2200u/25 47u/16
1 3
VI VO
G
D203
N
1
GBPC102
D
2 4
C208 C210
2
0.1u 0.1u
3
C209 C211
0.1u 1 0.1u
PG
G
N
2 3
VI D VO
C207
C213
IC203
2200u/25
47u/16
AN7907F
19 20 21 22 23 24
P.ENCODER BOARD ASS'Y
ENC1
CN7 CN3 1
1 COM COM 1
2
2 ENCA ENCA 2
3 ENCB ENCB 3
3
WIRING 5 S3B-PH-K-S
EC16B24104
LED BOARD ASS'Y
CN6 CN5
8SD _ 1 8SD _ 1
1 1
8SD _ 2 8SD _ 2
2 2
8SD _ 3 8SD _ 3
3 3
4 8SD _ 4 8SD _ 4 4
5 8SD _ 5 8SD _ 5 5
6 8SD _ 6 8SD _ 6 6
8SD _ 7 8SD _ 7
7 7
8SD _ 8 8SD _ 8
8 8
R9 100
LD _ 1 LD _ 1
9 9
100
R10
LD _ 2 LD _ 2
10 10
R11 100 3
11 LD _ 3 LD _ 3 11
19
12 8SC _ 1 8SC _ 1 12
18
13 8SC _ 2 8SC _ 2 13
8SC _ 3 8SC _ 3
14 14
8SC _ 4 8SC _ 4
15 15
2 2 2
WIRING 3 S15B-PH-K-S
1 1 1
D21 D22 D23
SEL5221S SEL5221S
SEL5221S
FOOT SW BOARD ASS'Y
1SS-133 1SS-133
CN4 CN101
1SS-133
FSW _ SC FSW _ SC
1 1
2 FSW _ D1 FSW _ D1 2
D101 2 D102 2 D103 2 D104
3 FSW _ D2 FSW _ D2 3
FSW _ D3 FSW _ D3
4 4
1 1 1
FSW _ D4 FSW _ D4
5 5
FSW _ D5 FSW _ D5
6 6
FSW _ D6 FSW _ D6
7 7
S7B-PH-K-S
WIRING 4
1 2 3
SW101 SW102 SW103
SKQEAA SKQEAA SKQEAA
VOLUME BOARD ASS'Y
CN8
y
OUT _ R 1
AGND 2
OUT _ L
3
AGND 4
IN _ R
t 5
AGND 6
IN _ L 7
AGND 8
6 5
S8B-PH-K-S
4 3
R21 VR1
10k 10KB_ST
2
RK14K12D0A3WA
LCD UNIT
L207 C203
CN202
HP-011Z
100u/10_OS
1 +5V
CN9
2 +5V
1
3 GND FLM 1
1 2
C204
4 GND LP 2
D201 3
0.1u
5 GND CP 3
2 RK-33 4
W 4
WIRING 6
5
VADJ 5
6
VCC 6
7
VSS 7
8
VEE 8
9
D0 9
10
D1 10
11
D2 11
12
D3 12
13
DISP 13
14
LED A 14
CN203 15
LED K 15
1 +7V
WIRING 8
2 +7V
3 -7V
4 -7V
5 MUTE
6 GND
7 GND
8 GND
WIRING 7
Jul, 1998
25 26 27 28
2 2 1 2 2 1 1 1
5 1 6 4 0 5 4 8 3 2 7 1
1 6 1 2 2 1 2 2 1 5 9 1
0 7 3 7 8 2 2 4
D26
LB603VP
1SS-133
1SS-133 1SS-133
2 D105 2 D106 2
1 1 1
4 BANK BANK
DOWN UP
SW104 SW105 SW106
SKQEAA SKQEAA SKQEAA
LCD1
FLM
LP
CP
W
VADJ
VCC
VSS
VEE
D0
D1
D2
D3
DISP
LED A
LED K
DMF-50374NYU-LY VG-8