I'm no fan of Seiki TV's but did you check the one that 'died' to determine if its a power problem to the TV? Could be nothing more than a blown fuse. As a quick test, unplug the TV from the motor home and plug it in to an extension cord on a good working AC plug. If the power source in your RV isn't working, a replacement TV won't solve your problem. This will at least confirm if the TV itself is bad. If it is, definitely replace it. I found a 'factory refurbished' Samsung 32" LED smart TV on Amazon for $99. , free shipping and no sales tax. Had same warranty as a new TV. As stated, most anything will be an improvement over Seiki's.
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