Sarah Z Oceanside , CA August 23, 2016 Appliance: Kenmore Washer 79640272900 Kenmore Washer 79640272900: Washing machine would not power on. How to replace Main Pcb Power Control Board Assembly. Replaced the mother board. Made things easier by taping and labeling connections to mother board. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 2+ hours