Re: Help with Motor Control Board

Hey all, Again this old thread was helpful for me getting my MC70 treadmill motor control board running.

For future individuals looking to repair their boards, here's what I replaced:

1x 24v 5W zener diode
1x 15v 1.3W zener diode
1x 1N4007 rectifier diode (general purpose)
1x 1K 10W ceramic resistor

I had to bridge / repair the fried traces on *both* sides of the 24v zener diode. I simply used leads from a spare 1N4007 that was handy.

The zener diodes were easy to spot &...