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Hi everyone I am having problems with my Sony KDL-46BX420 it has been working great but last week I had vertical lines start appearing on the screen. I was told that it could be the TCON board but they were not sure can anyone help?
 

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I think the Panel either got briused water damaged or just failed . I would toss it

OTOH if it werent for the black splotches I would say check the ribbon cables from the TCON board to the panel ,the bonded panel tab connections and the TCON board but those black splotches look fatal and not simply like a bad board or connection .
 
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