Sharp 37D6U Service Manual - Page 13

RS-232C port specifications - problems

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LC-26D6U LC-32D6U LC-37D6U 13 Appendix RS-232C port specifications PC Control of the TV When a program is set, the TV can be controlled from the PC using the RS-232C terminal. The input signal (PC/AV) can be selected, the volume can be adjusted and various other adjustments and settings can be made, enabling automatic programmed playing. Attach an RS-232C cable cross-type (commercially available) to the supplied Din/D-Sub RS-232C for the connections. NOTE This operation system should be used by a person who is accustomed to using computers. Communication conditions Set the RS-232C communications settings on the PC to match the TVÕs 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. Command format Eight ASCII codes + CR C1 C2 C3 C4 P1 P2 P3 P4 Command 4-digits Parameter 4-digits Command 4-digits:Command. The text of four characters. Parameter 4-digits:Parameter 0 - 9, x, blank, ? Return code Parameter Input the parameter values, aligning left, and fill with blank(s) for the remainder. (Be sure that 4 values are input for the parameter.) When the input parameter is not within an adjustable range, "ERR" returns. (Refer to "Response code format".) Any numerical value can replace the "x" on the table. 0 0009 -3 0 100 0055 When "?" is input for some commands, the present setting value responds. ? ???? Response code format Normal response OK Return code (0DH) Problem response (communication error or incorrect command) ERR Return code (0DH) Command table Commands not indicated here are not guaranteed to operate. CONTROL ITEM COMMAND PARAMETER CONTROL CONTENTS POWER SETTING P OWR 0 _ _ _ It shifts to standby. INPUT SELECTION A TOGGLE I T G D x _ _ _ (Toggle) It input-switches by the toggle. (It is the same as an input change key) TV INPUT1-4 I TVDx _ _ _ It input-switches to TV. (A channel remains as it is. (Last memory)) I A V D * _ _ _ Input terminal number (1_4) It input-switches to INPUT1~INPUT4. INPUT SELECTION B INPUT 1 I N P 1 0 _ _ _ AUTO An input change is also included. 1 _ _ _ VIDEO 2 _ _ _ COMPONENT INPUT 2 I N P 2 0 _ _ _ AUTO 1 _ _ _ VIDEO 2 _ _ _ COMPONENT AV MODE SELECTION A V M D 0 _ _ _ (Toggle) Although it can choose now, it is toggle operation in inside. 1 _ _ _ STANDARD 2 _ _ _ MOVIE 3 _ _ _ GAME 4 _ _ _ USER 5 _ _ _ DYNAMIC (Fixed) VOLUME POSITION 6 _ _ _ DYNAMIC V O L M * * _ _ Volume (0 _60) H-POSITION H P O S * * * _ AV mode. ( ± 10) V-POSITION V P O S * * * _ AV mode. ( ± 20) VIEWMODE W I D E 0 _ _ _ (Toggle) [AV] Although it can choose now, it is toggle operation in inside. 1 _ _ _ Side Bar [AV] 2 _ _ _ S.Stretch [AV] 3 _ _ _ Zoom [AV] 4 _ _ _ Stretch [AV] MUTE M U T E 0 _ _ _ (Toggle) 1 _ _ _ On 2 _ _ _ Off SURROUND A C S U 0 _ _ _ (Toggle) 1 _ _ _ On 2 _ _ _ Off AUDIO SELECTION A C H A x _ _ _ (Toggle) SLEEP TIMER O F T M 0 _ _ _ OFF 1 _ _ _ OFF TIMER _ 30 MIN. 2 _ _ _ OFF TIMER _ 60 MIN. 3 _ _ _ OFF TIMER _ 90 MIN. 4 _ _ _ OFF TIMER _ 120 MIN. CHANNEL DIRECT CHANNEL (ANALOG) D C C H * * * _ The channel number of TV (1 _ 125) An input change is included if it is not TV display. In Air, 2 _ 69ch is effective. In Cable, 1 _ 125ch is effective. DIRECT D A 2 P * * * * (0101-9999) DIGITAL Air (Two-Part numbers, 2-digit plus 2-digit) CHANNEL D C 2 U * * * _ (0-999) DIGITAL Cable (Two-Part numbers, 3-digit plus 3-digit) (DIGITAL) Front half of DIGITAL CABLE CHANNEL NO. (Designate major channel) D C 2 L * * * _ (0-999) DIGITAL Cable (Two-Part numbers, 3-digit plus 3-digit) Rear half of DIGITAL CABLE CHANNEL NO. (Designate minor channel) D C 1 0 * * * * (0-9999) DIGITAL Cable (One-Part numbers, 5-digit, less than 10,000) D C 1 1 * * * * (0-6383) DIGITAL Cable (One-Part numbers, 5-digit, more than 10,000) CH UP C H U P x _ _ _ The channel number of TV + 1 If it is not TV display, it will input-switch to TV. (same function as CH ) CH DOWN C H D W x _ _ _ The channel number of TV - 1 If it is not TV display, it will input-switch to TV. (same function as CH ) Air/Cable SELECT A C S L 0 _ _ _ (Toggle) AIR CABLE AIR 1 _ _ _ AIR 2 _ _ _ CABLE CC C L C P x _ _ _ (Toggle) Toggle operation of a closed caption. NOTE If an underbar (_) appears in the parameter column, enter a space. If an asterisk (*) appears, enter a value in the range indicated in brackets under CONTROL CONTENTS. As long as that from which the parameter ( × ) in the table is a numerical value, it may write anything.

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13
LC-26D6U
LC-32D6U
LC-37D6U
Appendix
RS-232C port specifications
Return code
Command 4-digits
Parameter 4-digits
PC Control of the TV
When a pr
ogram is set, the TV can be controlled from the PC using the RS-232C terminal.
The input signal (PC/AV) can be selected, the volume can be adjusted and various other adjustments and
settings can be made, enabling automatic programmed playing.
Attach an RS-232C cable cross-type (commercially available) to the supplied Din/D-Sub RS-232C for the
connections.
NOTE
This operation system should be used by a person who is accustomed to using computers.
Communication conditions
Set the RS-232C communications settings on the PC to match the TV
Õ
s communications conditions.
The TV's communications settings are as follows:
Baud rate:
Parity bit:
Data length:
Stop bit:
Flow control:
9,600 bps
8 bits
None
1 bit
None
Command format
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.
Eight ASCII codes
CR
Command 4-digits:Command. The text of four characters.
Parameter 4-digits:Parameter 0
-
9, x, blank, ?
Parameter
Input the parameter values, aligning left, and fill with blank(s) for the remainder. (Be sure that 4 values are input for the
parameter.)
When the input parameter is not within an adjustable range, "ERR" returns. (Refer to "Response code format".)
Any numerical value can replace the "x" on the table.
When "?" is input for some commands, the present setting value responds.
C1 C2 C3 C4 P1 P2 P3
P4
0
0
5
5
1
0
0
3
0
0
0
0
9
0
?
?
?
?
?
+
-
Command table
Commands not indicated here are not guaranteed to operate.
CONTROL ITEM
COMMAND
PARAMETER
CONTROL CONTENT
S
POWER SETTING
It shifts to standby.
It input-switches by the toggle. (It is the same as an input change key)
It input-switches to TV. (A channel remains as it is. (Last memory))
It input-switches to INPUT1~INPUT4.
An input change is also included.
Although it can choose now, it is toggle operation in inside.
Although it can choose now, it is toggle operation in inside.
(Toggle)
Input terminal number (1
4)
AUTO
VIDEO
COMPONENT
(Toggle)
STANDARD
MOVIE
USER
GAME
DYNAMIC (Fixed)
DYNAMIC
Volume (0
60)
AV mode. (
10)
AV mode. (
20)
(Toggle) [AV]
An input change is included if it is not TV display.
In Air, 2
69ch is effective.
In Cable, 1
125ch is effective.
If it is not TV display, it will input-switch to TV. (same function as CH
)
If it is not TV display, it will input-switch to TV. (same function as CH
)
Toggle operation of a closed caption.
Side Bar [AV]
S.Stretch [AV]
Zoom [AV]
Stretch [AV]
OFF
OFF TIMER
30 MIN.
The channel number of TV
The channel number of TV
1
The channel number of TV
1
(Toggle)
(1
125)
AUTO
P
OW
R
I
T
G
D
I
T
V
D
I
A
V
D
I
N
P
1
INPUT SELECTION A
TOGGLE
INPUT SELECTION B
AV MODE SELECTION
VOLUME
POSITION
VIEWMODE
SLEEP TIMER
CHANNEL
Air/Cable SELECT
CC
DIRECT
(ANALOG)
(DIGITAL)
CH UP
CH DOWN
CHANNEL
H-POSITION
H-POSITION
V-POSITION
INPUT 1
A
V
M
D
V
O
L
M
H
P
O
S
V
P
O
S
O
F
T
M
D
C
C
H
C
H
U
P
C
H
D
W
C
L
C
P
W
I
D
E
0
x
x
*
0
1
2
0
*
*
*
0
*
x
x
x
1
0
1
2
3
4
1
2
3
4
5
6
*
_
_
_
_
_
_
_
_
_
_
*
*
*
_
_
_
_
_
_
_
_
_
_
_
_
_
_
*
_
_
_
_
_
_
_
_
_
_
*
*
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
DIGITAL Air (Two-Part numbers, 2-digit plus 2-digit)
(0101-9999)
(0-999)
(0-999)
(0-9999)
(0-6383)
DIGITAL Cable (Two-Part numbers, 3-digit plus 3-digit)
DIGITAL Cable (Two-Part numbers, 3-digit plus 3-digit)
Front half of DIGITAL CABLE CHANNEL NO. (Designate major channel)
Rear half of DIGITAL CABLE CHANNEL NO. (Designate minor channel)
DIRECT
CHANNEL
D
A
2
P
*
*
*
*
D
C
2
U
*
*
*
_
D
C
2
L
*
*
*
_
DIGITAL Cable (One-Part numbers, 5-digit, less than 10,000)
D
C
1
0
*
*
*
*
DIGITAL Cable (One-Part numbers, 5-digit, more than 10,000)
D
C
1
1
*
*
*
*
_
_
AIR
CABLE
AIR
(Toggle)
A
C
S
L
0
_
_
_
AIR
1
_
_
_
CABLE
2
_
_
_
_
(Toggle)
AUDIO SELECTION
A
C
H
A
x
_
_
_
_
_
OFF TIMER
60 MIN.
OFF TIMER
90 MIN.
2
3
_
_
_
_
_
_
OFF TIMER
120 MIN.
4
_
_
_
(Toggle)
On
Off
MUTE
M
U
T
E
0
1
2
_
_
_
_
_
_
_
_
_
(Toggle)
On
Off
SURROUND
A
C
S
U
0
1
2
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
AUTO
VIDEO
COMPONENT
AUTO
I
N
P
2
INPUT 2
0
1
2
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
TV
INPUT1-4
NOTE
If an underbar (_) appears in the parameter column, enter a space.
If an asterisk (*) appears, enter a value in the range indicated in brackets under CONTROL CONTENTS.
As long as that from which the parameter (
) in the table is a numerical value, it may write anything.
Return code (0DH)
Response code format
Normal response
Problem response (communication error or incorrect command)
Return code (0DH)
O
K
E
R
R
_
_
±
±
_
_
_
_
_
_
_
+
-
×