I am looking for any documentation on the Servo Dynamics SDFCC amplifiers. My wife has an older quilting machine made by Proto in North Carolina. Long out of business. It uses a SDFCC-1010P-12 amplifier and is having problems at startup. Sometimes it starts but often it will come up for a few seconds and then turn on the red LED. Servo Dynamics doesn't seem to respond to email or phone calls from normal humans. I am looking for pin outs, functional docs, or anything that will let me either figure out what is going on or pick a replacement part that is in production.

Thanks for any help.

Dave

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