Well... It seems to me the simplest solution (possibly the only solution) is to send it to Samsung service centre. Or at least that is what I would do...
Oh... One last thing, check to see if you can get anything by pressing volume down + home + power and hold for 3 -5 seconds. If yes then there are still hope, otherwise... Well, you get the idea.
Sent from my GT-N7000 using xda app-developers app