Roland VS-2400CD - Circuit Diagram (Contrast)

71
Jan.2003 VS-2400CD
CIRCUIT DIAGRAM (CONTRAST)
fig.cont-c
TO MAIN BOARD
TO LCD UNIT
D
D
+
5D
D D D DD D
+
5D
D
+
5D
+
5D
+
5D
+
5D
D
D
D
D
DD
D
D
D
D
D
CN1
23FLZ-RSM1-TB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
R6 3.3
C3
47/35
C1
560p
R10
18k
C4
47/35
IC2
NJM2360M
8
7
6
5
1
2
3
4
CD
SI
V+
INV
CS
ES
GT
GND
R8
3.3k
L1
LQH4N151K
R7
180
C2
100/6.3
R11
1k
Q1
2SC4117GR
1
2 3
R12
ERTJ1VR153J
D1
1SS294
1 3
VR1A
EVUF2AE25B53
1
2
3
R9
100
IC3A
TC74VHC74F
2
3
5
6
41
D
CK
Q
Q
PRR
IC3B
TC74VHC74F
12
11
9
8
1013
D
CK
Q
Q
PRR
IC3C
TC74VHC74F
14
7
VCC
GND
CN3
B11B-PH-K-S
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
+
-
IC1B BA10324AF
6
5
7
+
-
IC1C BA10324AF
9
10
8
+
-
IC1D BA10324AF
13
12
14
+
-
IC1A BA10324AF
2
3
1
R5
2.2k
R4
2.2k
R3
22k
R1
2.2k
R2
2.2k
+
-
IC1E
BA10324AF
411
C5
0.1
C6
4.7/35
C7
4.7/35
C8
4.7/35
C9
4.7/35
C10
4.7/35
R17
15
R13
15
R14
15
R15
15
R16
15