Well, I think it’s safe to say your logic board has a problem.
How you fix it has a lot to do with your skill set and access to the needed tools. I would spend some time reviewing [https://www.youtube.com/user/rossmanngroup/videos|Louis Rossmanns] YouTube vids as you’ll need to go down into replacing a bad SMT or chip device.
If you’re not up to this your self then you’ll need to find someone local to you who can or just replace the logic board [product|IF188-067] and here’s the needed guide [guide|6368]