The sound is just a high pitched buzz - Televison & Video
Jun 09, 2011
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Product Troubleshooting for Televison & Video
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Hi Bill, most issues such as this are due to inaccurate connections in the back, so be sure you don't have a video RCA connection going to the "audio in" jack.... or something similar.Try investigating the sound while using "over the air" tv or through an old Coax cable\antenna connection.... If it works correctly from that source then you are probably OK...