Read Sharp PG-A20X (serv.man6) Service Manual online
14
PG-A20X
Connection Pin Assignments
1
5
6
9
5
1
9
6
8
9
6
5
2
1
4
3
7
5
10
15
1
6
11
RS-232C Terminal: 9-pin Mini DIN female connector
Pin No.
Signal
Name
I/O
Reference
1
Not connected
2
RD
Receive Data
Input
Connected to internal circuit
3
SD
Send Data
Output
Connected to internal circuit
4
Not connected
5
SG
Signal Ground
Connected to internal circuit
6
Not connected
7
RS
Connected to Pin 8
8
CS
Connected to Pin 7
9
Not connected
9-pin D-sub male connector of the DIN-D-sub RS-232C adaptor
Pin No.
Signal
Name
I/O
Reference
1
Not connected
2
RD
Receive Data
Input
Connected to internal circuit
3
SD
Send Data
Output
Connected to internal circuit
4
Not connected
5
SG
Signal Ground
Connected to internal circuit
6
Not connected
7
RS
Connected to internal circuit
8
CS
Connected to internal circuit
9
Not connected
Note
Pin 8 (CS) and Pin 7 (RS) are short circuited inside the projector.
RS-232C Cable recommended connection: 9-pin D-sub female connector
Pin No.
Signal
Pin No.
Signal
1
CD
1
CD
2
RD
2
RD
3
SD
3
SD
4
ER
4
ER
5
SG
5
SG
6
DR
6
DR
7
RS
7
RS
8
CS
8
CS
9
C I
9
CI
Note
Depending on the controlling device used, it may be necessary to connect Pin 4 and Pin 6 on the controlling
device (e.g. PC).
device (e.g. PC).
INPUT 1 RGB Signal Terminal: 15-pin Mini D-sub female connector
RGB Input
1. Video input (red)
2. Video input (green/sync on green)
3. Video input (blue)
4. Not connected
5. Not connected
6. Earth (red)
7. Earth (green/sync on green)
8. Earth (blue)
9. Not connected
2. Video input (green/sync on green)
3. Video input (blue)
4. Not connected
5. Not connected
6. Earth (red)
7. Earth (green/sync on green)
8. Earth (blue)
9. Not connected
10. GND
11. Not connected
12. Bi-directional data
13. Horizontal sync signal: TTL level
14. Vertical sync signal: TTL level
15. Data clock
13. Horizontal sync signal: TTL level
14. Vertical sync signal: TTL level
15. Data clock
Component Input
1. P
R
(C
R
)
2. Y
3. P
3. P
B
(C
B
)
4. Not connected
5. Not connected
6. Earth (P
5. Not connected
6. Earth (P
R
)
7. Earth (Y)
8. Earth (P
8. Earth (P
B
)
9. Not connected
10. Not connected
11. Not connected
12. Not connected
13. Not connected
14. Not connected
15. Not connected
13. Not connected
14. Not connected
15. Not connected
Projector
Pin No.
4
5
6
5
6
PC
Pin No.
4
5
6
5
6