Eric S Ostrander , OH August 25, 2019 Appliance: LG Dryer DLEX5170V Lg Dryer Dlex5170v / : Dryer wouldn’t stop tumbling. How to replace Main Pcb Power Control Board Assembly. Replaced the main PCB 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes