i'be got a pretty old philips tv,and i wastrying to tune it in and i accidentily locked it :/ and now i cant unlock it,and im worried im going to have to buy a new tv. i havent got a working remote for the tv (i used the buttons on the tv to get to the menu and stuff) so i cant even get back to the menu,could i buy a universal remote and fix it that way ? anyone know ?