Question about Sampo PME-42S6 42 in. HD-Ready Plasma Television

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Audio interference Hi all, I just re-installed all my audio/video equipment after a move, and I'm experiencing a loud buzzing coming from the Sampo plasma TV. Not only is everything in the setup the same as in the last house, but there was no interference last night when I turned everything on. I have the video running from the cable tv port into an HD cable box, then to the tv through component cables. The sound goes from the cable box to a receiver through an optical cable. There are also a DVD and VCR hooked up. Any thoughts on the cause of the interference or possible solutions? Thanks!

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Re: Audio interference - Sampo PME-42S6 42 in. HD-Ready Plasma Television Flat Panel Televisions

You need a coaxial ground loop isolator

Posted on Jan 11, 2010

Re: Audio interference

The sound is coming from the back of the TV, and we did move to a higher elevation (2500' to 5500'). The buzz comes and goes - will the TV acclimate to the new altitude, or are we stuck with this annoyance?

Posted on Jan 28, 2007

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Re: Audio interference

Is the sound comming from the speakers on the TV or the back of it? Plasma TV's can doing buzzing sounds when moved to higher elevations.

Posted on Jan 28, 2007

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If this equipment does cause harmful interference to radio or video reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
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I would take it back unless you have time to investigate the problem before the return policy expires.

If the sound is coming from the speakers then it is interference and would likely happen with another TV.

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Start with plugging it into a different outlet. If that doesn't work, then unplug anything from it one device at a time to see which thing is the culprit. If it is one of the devices, move any audio cords away from power cords and/or position the device further from the television.
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be certain its not your cable providing the noise by being ungrounded .or interference from some other device connected or around tv.
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turn off all dimmer lighting around tv. try now.
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then remove cable and plug in dvd or vcr. and try audio now.
if it continues no matter,
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