Power ,volume,mute buttons inop,camaras inop,headphone jack inop after

I replaced the battery on my ipad 3 a1416 wifi model, when I was disconnecting the speaker connector I use d a metal tool, I know bad thing to do, it sparked, both the dock and wifi cable were already disconnected, so after I get it all back together , the screen won't come on like always so I hhow it up to I tunes and t comes on, but the power, volume buttons don't work ,as well as the headphone jack, what do you think happened,oh also the camara sand gyroscope are out also