Re: Reebok GT40s Treadmill power supply issue?

Am having the same problem as most here but still not working. Initially no power from the main board, and thanks to this thread discovered DD3 was shorted.

After replacing it there were various voltages on the board, so I plugged in the head unit. This caused the powered supply to cycle through chirp-shutdown-chirp, assuming due to some over current issue.

The head unit seems to take ~8 volt that I measured on the connector, and confirmed by looking at the head unit that has a lm7805. Powered it up from my...