holts91ExplorerJun 30, 2014stereo hissI have a 2008 Sundance 3300SK that had a Coby DVD/FM surround system in it that went bad. I bought a Sony DAV-TZ140 to replace the receiver. Now I have a hiss from both the DVD and FM radio. I bought ...Show More
TimayExplorerJun 30, 2014A bad ground or a ground loop. Make sure all the components are grounded together as well as to the RV ground.Tim
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