Question isis tv

Apr 22, 2020
hi I was given a isis TV which was used once and then after that it went off but the stand by light was still coming on. I researched and tired all the resets it said but nothing was working so put it down to the power bored! I took off the back of the tv off and one of the prongs did look slightly puffed out! I ordered the exact same bored with the cereal number which has come I have put it all back together and now the standby light has even gone off so not sure what has happened? the only thing Is on the bored that has come has one extra thing then the one I took out! there the wire connects too the tv there is an extra prong at the side so you think that could be why? on the picture if was the exact same as the one I took out! thank you x