Robuta

https://www.ifixit.com/Guide/Sony+Ericsson+Xperia+Pro+MK16A+Logic+Board+Replacement/33102
This guide will help you replace the logic board on your Sony Ericsson Xperia Pro MK16A phone. Follow along and you will have a new logic board...
sony ericsson xperialogic boardproreplacementifixit
https://www.microsoldering.com/
iPhone die and won't come back to life? Lose touch functionality? Backlight very dim or completely blank? Audio problems? Micro soldering can fix that.
logic board repairmicro solderingdata recoveryiphone