How to repair Brother Electronics Circuit:
to repair brother industrial sewing machine first check the error history to repair the machine. be conform problem on sewing machine’s mechanical or electrical. before you take any action turn the machine pulley by hand. try to feel mechanically jam or not. if you conform there are no problem on mechanical parts. Please check following interaction what given in the jpeg file. best of luck in your sewing learning. fell free to email us regarding tutorial or your suggestion on tutorials.