JUKI PCB Repairing guidelines:
JUKI pcb repairing is very easy. First step you should follow block diagram to get PCB & its connection.
Now Check voltage of each connectors.
If your sewing machine display E915 or E916 after pressing the paddle its reason is Communication error between panel and SDC or Communication error between panel and MAIN. In this case turn off the power switch then check & replace indicated area’s step by step.