Sharp LC-19D1EWH (serv.man6) Service Manual ▷ View online
LC-19D1E/S-BK/WH
5 – 25
13
3Y1
O
Output terminal 3Y1
14
3Y2
O
Output terminal 3Y2
15
GND
-
Ground
16
3Y3
O
Output terminal 3Y3
17
3Y4
O
Output terminal 3Y4
18
VCC
-
Power supply
19
4Y1
O
Output terminal 4Y1
20
4Y2
O
Output terminal 4Y2
21
GND
-
Ground
22
4Y3
O
Output terminal 4Y3
23
4Y4
O
Output terminal 4Y4
24
4OE
I
Output Enable terminal 4
25
3OE
I
Output Enable terminal 3
26
4A4
I
Input terminal 4A4
27
4A3
I
Input terminal 4A3
28
GND
-
Ground
29
4A2
I
Input terminal 4A2
30
4A1
I
Input terminal 4A1
31
VCC
-
Power supply
32
3A4
I
Input terminal 3A4
33
3A3
I
Input terminal 3A3
34
GND
-
Ground
35
3A2
I
Input terminal 3A2
36
3A1
I
Input terminal 3A1
37
2A4
I
Input terminal 2A4
38
2A3
I
Input terminal 2A3
39
GND
-
Ground
40
2A2
I
Input terminal 2A2
41
2A1
I
Input terminal 2A1
42
VCC
-
Power supply
43
1A4
I
Input terminal 1A4
44
1A3
I
Input terminal 1A3
45
GND
-
Ground
46
1A2
I
Input terminal 1A2
47
1A1
I
Input terminal 1A1
48
2OE
I
Output Enable terminal 2
Pin No.
Pin Name
I/O
Pin Function
LC-19D1E/S-BK/WH
5 – 26
2.16. IC4405 (VHiLCX126FT-1Y)
2.16.1 Block Diagram
2.16.2 Pin Connections and short description
Quad Bus Buffer
Pin No.
Pin Name
I/O
Pin Function
1
1OE
I
Enable terminal 1
2
1A
I
Input terminal 1A
3
1Y
O
Output terminal 1Y
4
2OE
I
Enable terminal 2
5
2A
I
Input terminal 2A
6
2Y
O
Output terminal 2Y
7
GND
-
Ground
8
3Y
O
Output terminal 3Y
9
3A
I
Input terminal 3A
10
3OE
I
Enable terminal 3
11
4Y
O
Output terminal 4Y
12
4A
I
Input terminal 4A
13
4OE
I
Enable terminal 4
14
VCC
-
Power supply
LC-19D1E/S-BK/WH
5 – 27
2.17. IC4603 (VHiTHS7314D-1Y)
2.17.1 Block Diagram
2.17.2 Pin Connections and short description
3CH V-AMP
Pin No.
Pin Name
I/O
Pin Function
1
CH.1 IN
I
Video input - channel 1
2
CH.2 IN
I
Video input - channel 2
3
CH.3 IN
I
Video input - channel 3
4
VS+
-
Positive power supply pin - connected to 3V to 5V
5
GND
-
Ground pin for all internal circuitry
6
CH.3 OUT
O
Video output - Channel 3
7
CH.2 OUT
O
Video output - Channel 2
8
CH1 OUT
O
Video output - Channel 1
LC-19D1E/S-BK/WH
5 – 28
— MEMO —
