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Re: Samsung TV model UN75H6300AFXZA. Right half of the screen is white. Swapped in another T-con board & swapped LH & RH ribbons from T-con board to panel--same issue. Diagnosis? Bad main board?

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Yes the main board may be defective.

Posted on May 04, 2017

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Hello. I have a LG 47lg50-ua that when turned on, the right half of the screen goes white. The left half still plays fine. The warrenty had just expired so. I took the back of the tv off and looked around....


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4 Answers

Half screen is blank 42lg20 or 42lg50 when


This is likely to be the T-con board. If the entire screen glows but you have no picture on the second half of the screen then it is the main board, not the backlight inverter. If the screen is half picture and half gray it is the T-con board.


Replacement of one of the above will fix the issue.


Please rate if this helped :)

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