I left for 6 months and my friend used my JVC AV-27750 TV. Upon return the picture is fine but the sound is so awful I can barely use the TV. It is loud overpowering static, occasionally interrupted by the actual sound of the TV program. It varies depending on channel. When I get the static on one channel I'll switch to another. Sometimes it's impossible to find normal sound on any channel, and even then it's temporary. It seems to depend on what is shown on the TV, if that makes any sense. When the screen switches to a commercial the static is worst of all. Graphics produce static on sporting events. The TV is completely silent upon startup, for several minutes. Then the static begins and won't relent until the TV is turned off. I've always liked this TV and really don't care about digital or HDTV newness. I just want basic picture and sound. Can this be repaired at sensible expense?

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