Sansui tv breaks for second time

I baught a a sansui tv last year april 2018 within one month the tv just didnt wana switch on one morning. I took it in it was replaced about 2 weeks later. Today it did the same thing, when i got home the tv didnt wana switch on. Hi fi corporation told me to buy a surge plug, i did, and its only tv and disha and camera box plugges in, everything except the tv is working. I paid alot for this plug and tv