so i just bought a GV42L Vizio, every 20-30 min on SDTV the audio will either mute out, crackle, break out in a jumble of pitches for 3-5 seconds then return to normal for another 20-30 minwhen i play a dvd thru my upconvertering player and hdmi cable, not a single problem for the entire duration of the movie.whats the deal?
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