My Goodmans gtvl32w22hd picture disappears after about 5 min but the sound is fine.If i turn it off and straight on again it is ok for about 4 min then 3 then 2 and it stays on 2 min every time i switch it off and on the mainboard is a Beko Z1J190R-6 is this a cheap fix or new tv needed
Thanks for any help
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