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SCHEMATIC DIAGRAM-3
+3.3D
IC7
Q
TC7SH08FU
R
(INVERTER AND GATE)
S
T
Z13
U
4.7Kx8
V
W
X
+3.3D
R39
330
Y
Z
a
b
Z14
c
4.7Kx8
d
e
f
Q
R
S
T
U
V
W
X
Y
Z
a
b
c
d
e
f
+3.3D
Z19
4.7Kx4
Z18
100x4
R49
100
R48
100
GND
VCC
1 2 3 4 5
+3.3BB
C28
220P
+3.3BB
C29
0.1
14
12
11
13
2
3
1
5
6
4
9
8
10
7
IC6
TC74VHC08F
(QUAD 2 INPUT AND GATE)
W
V
+3.3D
C40
0.1
JP4
IC19
TC74VHC139F
1
VCC
16
1E
2
1DA
15
2E
3
1DB
2DA
14
4
2DB
13
1Y0
5
1Y1
2Y0
12
6
11
1Y2
2Y1
7
10
1Y3
2Y2
8
GND
9
2Y3
IC8
+3.3BB
K16V1204CTL6
(16M BIT DYNAMIC RAM)
1
6
25
VCC
VCC
VCC
35
LCAS
34
UCAS
33 DE
18
RAS
17
W
11
19
20
10
K
32
9
J
31
8
DT
I
7
30
H
6
29
AD
G
28
5
F
27
4
E
24
3
D
2
23
C
1
22
L
21
0
VSS
VSS
VSS
26
45
50
+3.3BB
IC15
K16V1204CTL6
(16M BIT DYNAMIC RAM)
1
6
25
VCC
VCC
VCC
35
LCAS
34
UCAS
33 DE
18
RAS
17
W
19
11
20
10
K
32
9
J
31
8
DT
I
7
30
H
29
6
AD
G
28
5
F
27
4
E
24
3
D
2
23
C
22
1
L
21
0
VSS
VSS
VSS
26
45
50
SX-PR1000 MAIN 1/4 SCHEMATIC DIAGRAM
C30
0.1
NC
11
NC
15
NC
16
NC
36
NC
40
1
15
49
f
14
48
e
13
47
d
12
c
46
11
b
44
10
43
a
9
42
Z
8
41
Y
7
X
10
6
W
9
5
8
V
4
7
U
3
5
T
2
S
4
1
R
3
0
2
Q
C37
0.1
NC
11
NC
15
NC
16
NC
36
NC
40
1
15
49
P
14
48
O
13
47
N
12
M
46
11
44
L
10
43
K
9
42
J
8
41
I
7
H
10
6
9
G
5
8
F
4
7
E
3
5
D
2
C
4
1
3
B
0
2
A
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