Contact Ammon Floyd. He's the son of Ernie Floyd and Ernie was the original owner of TL. I just received my main box back from Ammon with a new main board. The cost was $400 which is very reasonable.
Floyd's Sewing Repair
2263 West 7800 South
West Jordan, UT 84088
801-255-4130
floydssewingrepair.com