Read Sharp LC-42DH77E (serv.man9) User Guide / Operation Manual online
Connecting a PC
C1 C2 C3 C4 P1 P2 P3 P4
Communication conditions
Set the RS-232C communications settings on the PC
to match the TV’s communications conditions. The
TV’s communications settings are as follows:
to match the TV’s communications conditions. The
TV’s communications settings are as follows:
Baud rate:
9,600 bps
Data length:
8 bits
Parity bit:
None
Stop bit:
1 bit
Flow control:
None
Communication procedure
Send the control commands from the PC via the RS-
232C connector.
The TV operates according to the received command
and sends a response message to the PC.
Do not send multiple commands at the same time.
Wait until the PC receives the OK response before
sending the next command.
Make sure to send “A” with the carriage return and
confirm that “ERR” returns before operating.
232C connector.
The TV operates according to the received command
and sends a response message to the PC.
Do not send multiple commands at the same time.
Wait until the PC receives the OK response before
sending the next command.
Make sure to send “A” with the carriage return and
confirm that “ERR” returns before operating.
Command format
0
0
5
5
1
0
0
0
0
0
9
0
?
?
?
?
?
O
K
E
R
R
Response code format
RS-232C port specifications
PC Control of the TV
When a programme is set, the TV can be controlled
from the PC using the RS-232C terminal. The input
signal (PC/video) can be selected, the volume
can be adjusted and various other adjustments
and settings can be made, enabling automatic
programmed playing.
Use an RS-232C serial control cable (cross type)
(commercially available) for the connections.
from the PC using the RS-232C terminal. The input
signal (PC/video) can be selected, the volume
can be adjusted and various other adjustments
and settings can be made, enabling automatic
programmed playing.
Use an RS-232C serial control cable (cross type)
(commercially available) for the connections.
NOTE
This operation system should be used by a person who is
accustomed to using PCs.
accustomed to using PCs.
•
•
•
Parameter
Input the parameter values, aligning left, and fill with
blank(s) for the remainder (Be sure that four values are
input for the parameter).
When the input parameter is not within an adjustable
range, “ERR” returns (Refer to “Response code
format”).
blank(s) for the remainder (Be sure that four values are
input for the parameter).
When the input parameter is not within an adjustable
range, “ERR” returns (Refer to “Response code
format”).
When “?” is input for some commands, the present
setting value responds.
setting value responds.
After sending the return code (0DH), make sure to
send the line feed (0AH) as well.
send the line feed (0AH) as well.
Command four digits: Command. The text of four
characters.
Parameter four digits: Parameter 0–9, blank, ?
characters.
Parameter four digits: Parameter 0–9, blank, ?
37
RS-232C serial control cable
(cross type)
(cross type)
Eight ASCII codes
eCR
Command
four digits
four digits
Parameter
four digits
four digits
Return code
Normal response
Problem response (communication error or incorrect
command)
command)
Return code (0DH)
Return code (0DH)
Click on the first or last page to see other LC-42DH77E (serv.man9) service manuals if exist.