A friend had to replace the TV in his 2-year old fifth wheel, and the dealer told him it was because he left the TV in the RV while winter storing it. Admittedly, he lives in Marquette, MI, but now...
The problem wasn't being a cold RV. He likely turned it on while still cold. The shipping containers coming from China full of TVs aren't heated. Nor are the trucks taking them to WalMart.