THE HALF RIGHT SIDE OF SCREEN IS DARKER COMPARED WITH HALF LEFT SIDE PART
If it is an LED LCD TV, the backlight inverter board should be troubleshooted. Contact any service technician.
I went thru this my self using my electronic -technician skills and relized LCD panle were defective...after replacinf bad LCD panel everything was okay nice and neat...hoping to inform you corredtly I remain Yours friendly...Good luck!..
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SOURCE: I have a 46in lcd Vizio and the picture on it has
replace circuit board that lights up screen....a lot of little tiny transformers on them...u should have two(2) circuit boards that look alike ... 1 of them is bad!! replace ckt board.
SOURCE: I HAVE A 2 1/2
check your tcon board if you have experience with electronics that is. the tcon board is gonna be on the back of the panel and should have two ribbon cables attached from it to the panel so be careful not to tug or pull the cables out and instead left the tab on the connector and gently pull them out. you can even try to reseat them to make sure it is connected properly but if it is and the result is the same you probably need a new one.
thank,
michael
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