Sharp LC-50LE751K (serv.man13) Service Manual / Technical Bulletin ▷ View online
LCD 2013 06 06
Date of Issue:
25
th
June 2013
Classification:
White
LCD TELEVISION TECHNICAL BULLETIN
Page 5 of 17
Sharp Electronics (UK) Limited
Reference
– RG25062013-2
Revision - 6
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RS-232 command format
Eight ASCII code +CR
Eight ASCII code +CR
RS-232 command parameter
Input the parameter values, aligning left, and fill with blank(s) for the remainder
(ensure 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.
RS-232 response code format
LCD 2013 06 06
Date of Issue:
25
th
June 2013
Classification:
White
LCD TELEVISION TECHNICAL BULLETIN
Page 6 of 17
Sharp Electronics (UK) Limited
Reference
– RG25062013-2
Revision - 6
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RS-232 commands detailed description
Name: POWR
Params: YES
R/W: WO
K-Mode: NO
Description:
Set TV power status.
Params:
0: If TV is ON then switch TV to Stand By mode.
1: If TV is OFF then switch TV to ON status.
2: If TV is ON then switch TV to OFF status.
1: If TV is OFF then switch TV to ON status.
2: If TV is ON then switch TV to OFF status.
Name: ITVD
Params: NO
R/W: WO
K-Mode: NO
Description:
Force TV to ATV input.
OSD:
Same OSD information that it is used in USER mode.
Name: IDTV
Params: NO
R/W: WO
K-Mode: NO
Description:
Force TV to DTV input.
OSD:
Same OSD information that it is used in USER mode.
LCD 2013 06 06
Date of Issue:
25
th
June 2013
Classification:
White
LCD TELEVISION TECHNICAL BULLETIN
Page 7 of 17
Sharp Electronics (UK) Limited
Reference
– RG25062013-2
Revision - 6
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Yellow
– Carry out as required and whenever the unit comes in for service
Red
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Name: IAVD
Params: YES
R/W: R/W
K-Mode: NO
Description:
Force TV to an external input selected by command parameter.
Params:
1: Select SCART input.
2: Select CVBS front input.
3: Select COMPONENTS input.
4: Select VGA input.
5: Select HDMI1 input.
6: Select HDMI2 input.
7: Select HDMI3 input.
8: Select HDMI4 input.
?: Read current TV input.
2: Select CVBS front input.
3: Select COMPONENTS input.
4: Select VGA input.
5: Select HDMI1 input.
6: Select HDMI2 input.
7: Select HDMI3 input.
8: Select HDMI4 input.
?: Read current TV input.
Return:
0: Current TV input is TUNER.
1: Current TV input is SCART.
2: Current TV input is CVBS front.
3: Current TV input is COMPONENTS.
4: Current TV input is VGA.
5: Current TV input is HDMI1.
6: Current TV input is HDMI2.
7: Current TV input is HDMI3.
8: Current TV input is HDMI4.
1: Current TV input is SCART.
2: Current TV input is CVBS front.
3: Current TV input is COMPONENTS.
4: Current TV input is VGA.
5: Current TV input is HDMI1.
6: Current TV input is HDMI2.
7: Current TV input is HDMI3.
8: Current TV input is HDMI4.
OSD:
Same OSD information that it is used in USER mode.
Name: DCCH
Params: YES
R/W: R/W
K-Mode: NO
Description:
Force TV to ATV input and tune to service indicated by command parameter.
Params:
xxxx: Service number.
?: Read current ATV service.
?: Read current ATV service.
Return:
xxxx: Current ATV service.
OSD:
Same OSD information that it is used in USER mode.
LCD 2013 06 06
Date of Issue:
25
th
June 2013
Classification:
White
LCD TELEVISION TECHNICAL BULLETIN
Page 8 of 17
Sharp Electronics (UK) Limited
Reference
– RG25062013-2
Revision - 6
White
– Carry out as required
Yellow
– Carry out as required and whenever the unit comes in for service
Red
– Carry out on all units
Name: CHUP
Params: NO
R/W: WO
K-Mode: NO
Description:
ATV Channel UP.
OSD:
Same OSD information that it is used in USER mode.
Name: CHDW
Params: NO
R/W: WO
K-Mode: NO
Description:
ATV Channel DOWN.
OSD:
Same OSD information that it is used in USER mode.
Name: DTVD
Params: YES
R/W: R/W
K-Mode: NO
Description:
Force TV to DTV input and tune to service indicated by command parameter.
Params:
xxxx: Service number.
?: Read current DTV service.
?: Read current DTV service.
Return:
xxxx: Current DTV service.
OSD:
Same OSD information that it is used in USER mode.
Name: NTCH
Params: YES
R/W: WO
K-Mode: NO
Description:
Force TV to DTV input and tune to service indicated by command parameter. This is the same
command as DTVD but it is “write only”.
This command is used in SMPL production line.
command as DTVD but it is “write only”.
This command is used in SMPL production line.
Params:
xxxx: Service number.
OSD:
Same OSD information that it is used in USER mode.
Name: DTUP
Params: NO
R/W: WO
K-Mode: NO
Description:
DTV Channel UP.
OSD:
Same OSD information that it is used in USER mode.
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