Question about Samsung HP-R5072 50 in. Plasma HDTV
I have recently been having problems with the sound on my TV. There is a feedback type sound when watching the cable. It hums almost to the point that it drowns out the actual sound of the program. The problem doesn't exist when watching DVD's or anything else and I even unplugged everything but the cable. It only seems to be a problem when watching cable. I have connected my surround sound sytem and changed to shielded cables.. I have the same problem on a Samsung plasma. I tried bypassing the surge protector to no avail, so it doesn't seem to be the problem. Switching cables didn't help. I ran the Time Warner cable line directly to the tv, bypassing the tivo, but still have the hum. I'd pay good money to fix this annoying problem.
There could be a problem on your cable TV signal, try to re-program the channel again to get the clear reception for viewing, if your unable to do so, you may call your cable network provider to assist you make the channeling of your TV.
It's also thier duty to serve you bc you got bad receptions signal.
Posted on Mar 01, 2008
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Posted on Jan 02, 2017
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This sounds like your convergence correction amplifiers have malfunctioned. These Integrated Circuits often burn out after a few years (STK392-110) they can be replaced with a higher version (STK392-150) However it is important to have the biasing circuitry checked to make sure nothing has burnt out as a result of the ICs malfunctioning. If you have a background in electronics you can repair this problem with very little effort, however if you do not have a background in electronics, I would suggest that you have your TV serviced by a qualified TV technician.
I hope this helps,
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