Call the people idiots and bring your RV else where. This will not burn out the TV. If it does I would recommend getting a different one. When TV connects to surround sound it does not matter what happens, where it goes, blah blah blah. They blew smoke so far. I would say get the TV hooked up somewhere else. My RV has same type of surround sound. My B doesn't work but that is cause my camper is too small but my A and C does.
Maybe other warranty work I would let me do with checking it over. But the TV should be hooked up as normal.
2009 Dodge Ram Mega Cab 2500 6.7 cummins
2011 Forest River Cherokee 28BHKS