plasma tv just went pop. help

[shergill]

hi everyone this is my first post. good site.now my problem
help please i was watching a movie on the philps 42pf5521d/10 and then all of sudden i heard a pop and at the same time it turned off all my sockets in the house. and now theres nothing, no power what so ever. the only thing i`ve tried so far is changing the fuse, but still nothing,
it wasn`t a lound pop. and when i plug it in now there no power sound at all. just completely dead.
i bought this item 3weeks ago. second hand. any help please.