Question about Televison & Video
If turning up the audio amplifies the problem, it is in the initial stages of audio. It could very likely be outside the TV, try difference sources to troubleshoot your setup. If it hums on all inputs, the problem is before your audio switch and could be on the board with the AV jacks. Note all plasma tvs hum out of the back of the tv (ie power board, y-sus, z-sus board and panel all make a little hum noise)
Posted on Dec 06, 2008
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Posted on Jan 02, 2017
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