Question LG TV internal speaker sound problem!

Jul 25, 2020
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Hi,
I’ve had a LG 40LF630V for around 4 years now. Great TV but unfortunately recently the internal speaker started sounding strange. A bit like a dalek! The speaker, well probably more than likely the circuit board, sounds ok for about 10 minutes, goes dalek for a while and then goes back to normal eventually. I tried to remedy this by connecting it up to an external speaker system. Unfortunately this is behaving the same too! Any advice would be gratefully received.

Thanks.
 
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