Roland VS-2480 - Circuit Diagram Lcd Cont Board

52
Jun. 2001VS-2480
A
AA
A
B
BB
B
C
CC
C
D
DD
D
E
EE
E
F
FF
F
G
GG
G
H
HH
H
I
II
I
J
JJ
J
K
KK
K
L
LL
L
M
MM
M
N
NN
N
O
OO
O
P
PP
P
Q
QQ
Q
R
RR
R
S
SS
S
T
TT
T
U
UU
U
1
11
12
22
23
33
34
44
45
55
56
66
67
77
78
88
89
99
910
1010
10 11
1111
11 12
1212
12 13
1313
13 14
1414
14 15
1515
15 16
1616
16 17
1717
17 18
1818
18 19
1919
19 20
2020
20 21
2121
21 22
2222
22 23
2323
23 24
2424
24 25
2525
25 26
2626
26 27
2727
27 28
2828
28
CIRCUIT DIAGRAM
LCD CONT BOARD/VOLUME BOARD
D1
TOLCD
BACKLIGH
T
IO UT
CP2
NC
S
NC
D0
CP1
VEE
DI SP
VDD
NC
VSS
IO UT- R
D3
D2
TO LCD UNITTO MAIN BOARD
TO VOLUME BOARD
CONTRAST
+
5D
D
D
D D D
+
5D
+
5D
D D
D
+
5D
D
D
C5 0 3
47/ 35
C5 0 1
560p
I C502
CXA- M10A- L
1
2
3
4
5
+VI N
-V I N
IO UT1
IO UT2
IO UT- RTN
R5 0 4
18k
C504
47/ 35
I C501
NJ M2360M
8
7
6
5
1
2
3
4
CD
SI
V+
IN V
CS
ES
GT
GND
CN5 0 4
S2(4 -2 .3 )B -X H- A
1
2
3
4
R5 0 3
2. 2k
L501
LQH4N151K
R502
180
C5 0 2
100/ 6. 3
R505
1k
Q5 0 1
2SC4117GR
1
2 3
CN5 0 2
52045- 1245
1
2
3
4
5
6
7
8
9
10
11
12
C505
100/ 6. 3
R506
ERTJ 1VR153J
D5 0 1
1SS294
1 3
CN5 0 3
B3B- PH-K- S
1
2
3
1
2
3
CN501
B10B- PH- K- S
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
L502
( RCH-875- 151K)
MONITOR
CONTRAST
HEADPHONE1
HEADPHONE2
TO JACK BOARD
TO PANEL R BOARD
TO LCD_C BOARD
A
A
A
A
A
VR401B
EVJY90FA3A14
21
22
23
VR402A
EVJY90FA3A14
11
12
13
VR402B
EVJY90FA3A14
21
22
23
VR402C
EVJY90FA3A14
1020
VR401C
EVJY90FA3A14
1020
VR401A
EVJY90FA3A14
11
12
13
CN401
BORD IN WIRING
1
2
3
4
5
6
7
8
9
10
11
12
13
1
2
3
4
5
6
7
8
9
10
11
12
13
CN402
B3B-PH-K-S
1
2
3
1
2
3
CN403
B3B-PH-K-S
1
2
3
1
2
3
VR403A
EVUF2JFK5B14
1
2
3
VR403B
EVUF2JFK5B14
1020
VR404A
EVUF2AE25B53
1
2
3
VR404B
EVUF2AE25B53
1020
LCD CONT BOARD
VOLUME BOARD