Read Sharp LC-42XD1E (serv.man6) Service Manual online
LC-42XD1E/RU
5 – 20
15. IC4402: VHiLCX573FT-1Y
Latch 3-State output
16. IC4401: VHiTCLCX245-2Y
Interactive Balance Tranceiver
Pin No.
Pin Name
I/O
Pin Function
1
OE
I
Output Enable.
2
D0
I
Data Input D0.
3
D1
I
Data Input D1.
4
D2
I
Data Input D2.
5
D3
I
Data Input D3.
6
D4
I
Data Input D4.
7
D5
I
Data Input D5.
8
D6
I
Data Input D6.
9
D7
I
Data Input D7.
10
GND
—
Ground.
11
LE
I
Limited Enable.
12
Q7
O
Data Output Q7.
13
Q6
O
Data Output Q6.
14
Q5
O
Data Output Q5.
15
Q4
O
Data Output Q4.
16
Q3
O
Data Output Q3.
17
Q2
O
Data Output Q2.
18
Q1
O
Data Output Q1.
19
Q0
O
Data Output Q0.
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
OE
I
Output enable.
20
VCC
—
Power Source.
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