Read Sharp LC-46XD1E (serv.man7) Service Manual online
LC-46/52XD1E-RU
7 – 22
18. IC4402: VHILVC573AP-1Y
Lutch 3-State output
19. IC4401: VHITCLCX245-2Y
Interactive Balance Tranceiver
20. IC4404: VHILCX244MT-1Y
Buffer/Line Driver
Pin No.
Pin Name
I/O
Pin Function
1
I
Output Enable.
2
1D
I
Data Input 1D.
3
2D
I
Data Input 2D.
4
3D
I
Data Input 3D.
5
4D
I
Data Input 4D.
6
5D
I
Data Input 5D.
7
6D
I
Data Input 6D.
8
7D
I
Data Input 7D.
9
8D
I
Data Input 8D.
10
GND
-
Ground.
11
LE
I
Limited Enable.
12
8Q
O
Data Output 8Q.
13
7Q
O
Data Output 7Q.
14
6Q
O
Data Output 6Q.
15
5Q
O
Data Output 5Q.
16
4Q
O
Data Output 4Q.
17
3Q
O
Data Output 3Q.
18
2Q
O
Data Output 2Q.
19
1Q
O
Data Output 1Q.
20
VCC
-
Power Source.
Pin No.
Pin Name
I/O
Pin Function
1
DIR
I
Directory.
2
A1
I/O
A-Bus. Output/Input Terminal A1.
3
A2
I/O
A-Bus. Output/Input Terminal A2.
4
A3
I/O
A-Bus. Output/Input Terminal A3.
5
A4
I/O
A-Bus. Output/Input Terminal A4.
6
A5
I/O
A-Bus. Output/Input Terminal A5.
7
A6
I/O
A-Bus. Output/Input Terminal A6.
8
A7
I/O
A-Bus. Output/Input Terminal A7.
9
A8
I/O
A-Bus. Output/Input Terminal A8.
10
GND
-
Ground A9
11
B8
I/O
B-Bus Input/Output Terminal B8.
12
B7
I/O
B-Bus Input/Output Terminal B7.
13
B6
I/O
B-Bus Input/Output Terminal B6.
14
B5
I/O
B-Bus Input/Output Terminal B5
15
B4
I/O
B-Bus Input/Output Terminal B4
16
B3
I/O
B-Bus Input/Output Terminal B3
17
B2
I/O
B-Bus Input/Output Terminal B2
18
B1
I/O
B-Bus Input/Output Terminal B1
19
I
Output enable.
20
VCC
-
Power Source.
Pin No.
Pin Name
I/O
Pin Function
1, 19
OE1,OE2
I
3-STATE Output Enable Input 1 and 2
2, 4, 6, 8, 11, 13, 15, 17
I0-I7
I
Data Inputs 0-7
9, 7, 5, 3, 12, 14, 16, 18
O0-O7
O
Data Outputs 0-7
10
GND
-
Ground.
20
VCC
-
Power Source.
OE
OE
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