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Panasonic TH 50PX60U sound

by boblafayette / January 3, 2007 9:42 PM PST

Have TV sound turned off via TV controls.

Connected audio from Cable box to home theater sound system.

TV puts out a sort of feedback sound at bottom right of TV when facing screen, and it sounds like a fan or actual feedback.

Electrical plug is in correctly as it has a grounding and therefore polarity is correct.

How can this feedback-like sound be quieted?


Thanks in advance
Robert

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What other cables do you have hooked up?
by jcrobso / January 4, 2007 12:52 AM PST

Plasma sets do have a fan!
If you don't face the screen you still have sound?
Feedback is very loud screeching sound!!!! John

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Panasonic TH 50PX60U sound
by boblafayette / January 4, 2007 10:50 AM PST

Sound is probably from fans then. Audio comes from home theater device, sounds good in digital surround.

Facing screen on right, lower right, is sound I am writing of, a humming sound.

Monster HDMI video cable (ultra 800) from cable box to TV is only cable going to TV.

Robert

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