.LC-55LE653U smart t.v

Calvin7

Honorable
Feb 19, 2013
126
0
10,760
50
Hard Reset

1.Unplug the television.
2.Press and hold the "Channel Down" and "Input" buttons on the panel.
3.Plug the television back in while holding down these buttons. ...
4.Keep holding the buttons until the television powers back on. ...
5.Use the remote to navigate the "Service Mode" menu and select "Factory Reset" from the menu.

If that doesn't work, I would think about replacing the main board.
Sharp LC-55LE653U Main Input Board
https://www.walmart.com/ip/Sharp-LC-55LE653U-Main-Input-Board-3655-1102-0150/687199707?
 

Calvin7

Honorable
Feb 19, 2013
126
0
10,760
50
Hard Reset

1.Unplug the television.
2.Press and hold the "Channel Down" and "Input" buttons on the panel.
3.Plug the television back in while holding down these buttons. ...
4.Keep holding the buttons until the television powers back on. ...
5.Use the remote to navigate the "Service Mode" menu and select "Factory Reset" from the menu.

If that doesn't work, I would think about replacing the main board.
Sharp LC-55LE653U Main Input Board
https://www.walmart.com/ip/Sharp-LC-55LE653U-Main-Input-Board-3655-1102-0150/687199707?
 
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