I agree
I agree that a repair shop is by far your best option, but if you want to try it yourself, you could try booting into download mode with a JIG:
http://www.dx.com/p/unbrick-download-301k-usb-mode-jig-for-samsung-t959-i9000-i897-m110s-i8700-i9100-93514
It works like this turn off your...