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Samlosey
Newbie

Frequency sound, 70 inch roku making high pitch noise constantly.

My 70 inch roku has started making a high frequency pitch sound. It would come and go at first, but after a few days it's constant. My elderly father cannot hear it, but my son and I can. Loud and clear. It's like a high dog whistle sound but more patchy. Doesn't change for different channels or outputs.  Sometimes if you tap the TV on the back it'll quiet a little but it comes right back full force within seconds.  I can't even use it bc it's so annoying and I know it's killing my dogs if it's annoying me. Anyone else have this issue and get it fixed? I'm conveniently passed the warranty.

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