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 13 of 17
Sharp Electronics (UK) Limited
Reference
– RG25062013-2
Revision - 6
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Name: WIDE
Params: YES
R/W: R/W
K-Mode: NO
Description:
Select TV wide mode.
Params:
0: Change to next mode sequentially, sequence depends on video input SD or HD.
SD input
1: 16:9 mode.
2: 4:3 mode.
3: PANORAMA 1 mode.
4: PANORAMA 2 mode.
5: ZOOM mode.
2: 4:3 mode.
3: PANORAMA 1 mode.
4: PANORAMA 2 mode.
5: ZOOM mode.
HD input
6: 16:9 TV mode.
7: 16:9 PC mode.
8: 16:9 ZOOM mode.
9: 4:3 TV mode.
10: 4:3 PC mode.
11: 4:3 ZOOM mode.
?: Read current wide mode.
7: 16:9 PC mode.
8: 16:9 ZOOM mode.
9: 4:3 TV mode.
10: 4:3 PC mode.
11: 4:3 ZOOM mode.
?: Read current wide mode.
Return:
Returns current TV wide mode.
OSD:
Same OSD information that it is used in USER mode.
Name: MUTE
Params: YES
R/W: R/W
K-Mode: NO
Description:
Set TV audio mute.
Params:
0: Toggle MUTE ON/OFF.
1: Force MUTE enabled.
2: Force MUTE disabled.
?: Read MUTE status.
1: Force MUTE enabled.
2: Force MUTE disabled.
?: Read MUTE status.
Return:
0: MUTE disabled.
1: MUTE enabled.
1: MUTE enabled.
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 14 of 17
Sharp Electronics (UK) Limited
Reference
– RG25062013-2
Revision - 6
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Yellow
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Red
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Name: TEXT
Params: YES
R/W: R/W
K-Mode: NO
Description:
Set TV teletext mode.
Params:
0: Toggle different teletext modes in sequence:
TTX OFF TTX ON TTX OFF
1: Teletext ON.
2: Teletext OFF.
?: Read teletext mode.
2: Teletext OFF.
?: Read teletext mode.
Return:
0: Teletext OFF.
1: Teletext ON.
1: Teletext ON.
OSD:
Same OSD information that it is used in USER mode.
Name: SBSL
Params: YES
R/W: WO
K-Mode: NO
Description:
Set backlight value. Same adjustment that it is in the main menu.
Params:
xxxx: Backlight value, from 0 to 100, same value range that in the menu.
Name: CUSB
Params: NO
R/W: WO
K-Mode: YES
Description:
Check all TV USB connectors. This checking is done by reading a different file from a USB memory
in each connector. If a file cannot be read, then the command returns the wrong files in hex
format, each bit correspond to one file.
Only available when K-Mode is ON.
in each connector. If a file cannot be read, then the command returns the wrong files in hex
format, each bit correspond to one file.
Only available when K-Mode is ON.
Return:
“OK” if all files can be read.
Hex number indicating which files couldn’t be read.
Ex: 0x06 (0000 0110 ) means file 2 and 3 couldn’t be read.
Hex number indicating which files couldn’t be read.
Ex: 0x06 (0000 0110 ) means file 2 and 3 couldn’t be read.
Name: MACR
Params: YES
R/W: RO
K-Mode: NO
Description:
This command returns the MAC address stored on “hwid.bin” file. If MAC address stored in
“hwid,bin” file is changed using “MACF” command to download a new MAC file, TV will not used
new MAC address until TV is rebooted. During this time, “MACR” command and “NTKY”
command will return different MAC address.
“hwid,bin” file is changed using “MACF” command to download a new MAC file, TV will not used
new MAC address until TV is rebooted. During this time, “MACR” command and “NTKY”
command will return different MAC address.
Params:
?: Read MAC address.
Return:
xx:xx:xx:xx:xx:xx: MAC address.
LCD 2013 06 06
Date of Issue:
25
th
June 2013
Classification:
White
LCD TELEVISION TECHNICAL BULLETIN
Page 15 of 17
Sharp Electronics (UK) Limited
Reference
– RG25062013-2
Revision - 6
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Name: NTKY
Params: YES
R/W: RO
K-Mode: NO
Description:
This command returns the MAC address that is using the TV, same command that “MACR” but
returns the MAC address using a different format. This command is used in SMPL production line.
returns the MAC address using a different format. This command is used in SMPL production line.
Params:
?: Read MAC address.
Return:
[NTKY]xxxFF FExxx: MAC address.
Name: KRSW
Params: YES
R/W: RO
K-Mode: NO
Description:
This command is a dummy command to check that TV answers.
Params:
1: Dummy value.
Return:
“ERR”: it always return same value.
Name: KKT1
Params: YES
R/W: R/W
K-Mode: NO
Description:
This command is a dummy command to check that TV answers. It can be used to initialize some
values.
It is used in SMPL production line.
values.
It is used in SMPL production line.
Params:
37: If this parameter is received TV will return “OK”, any other parameter will return “ERR”.
Return:
“OK”: it returns “OK” when received parameter is “37”.
“ERR”: it returns “ERR” if received parameter is different from “37”.
“ERR”: it returns “ERR” if received parameter is different from “37”.
LCD 2013 06 06
Date of Issue:
25
th
June 2013
Classification:
White
LCD TELEVISION TECHNICAL BULLETIN
Page 16 of 17
Sharp Electronics (UK) Limited
Reference
– RG25062013-2
Revision - 6
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– Carry out as required and whenever the unit comes in for service
Red
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RS-232 commands detailed description (Available from V1.39.9)
- Use “LWCP?” command to check when Wi-Fi module is ready.
LWCP? (send)
ERR (tv answer: NOT READY)
ERR (tv answer: NOT READY)
LWCP? (send)
OFF (tv answer: READY)
WIRED (tv answer: READY)
WIRELESS (tv answer: READY)
- Use “LWSIxx” to set WiFi network (xx is the number of characters of the string)
Example:
LWSI9 (send)
Waiting to receive 9 characters (tv answer)
OK (tv answer)
WLAN_DA6E (send)
WIFI SSID: WLAN_DA6E (tv answer)
- Use “LWEN” to set encryption type:
LWEN2
OK
- Use “LWPWxx” to set WiFi password (xx is the number of characters of the string)
Example:
LWPW8
Waiting to receive 8 characters
OK
2222BBBB
WIFI PW: 2222BBBB
OFF (tv answer: READY)
WIRED (tv answer: READY)
WIRELESS (tv answer: READY)
- Use “LWSIxx” to set WiFi network (xx is the number of characters of the string)
Example:
LWSI9 (send)
Waiting to receive 9 characters (tv answer)
OK (tv answer)
WLAN_DA6E (send)
WIFI SSID: WLAN_DA6E (tv answer)
- Use “LWEN” to set encryption type:
LWEN2
OK
- Use “LWPWxx” to set WiFi password (xx is the number of characters of the string)
Example:
LWPW8
Waiting to receive 8 characters
OK
2222BBBB
WIFI PW: 2222BBBB
- Use “LWCN1” to select WiFi connection.
LWCN1
OK
- Then you need to call “LWST?” to monitor WiFi connection status. It takes some time until it gets
connected.
LWST?
WiFi: UPDATE
Link: NOT CONNECTED
Quality: 0
LWST?
WiFi: UPDATE
Link: APPLYING SETTINGS
Quality: 0
LWCN1
OK
- Then you need to call “LWST?” to monitor WiFi connection status. It takes some time until it gets
connected.
LWST?
WiFi: UPDATE
Link: NOT CONNECTED
Quality: 0
LWST?
WiFi: UPDATE
Link: APPLYING SETTINGS
Quality: 0
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