JUKI LK-1900A PCB REPAIRING TIPS

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┬áCommunication error between panel and MAIN. In this case turn off the power switch then check & replace indicated area’s step by step.

 

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