Jay J Richmond , TX June 04, 2021 Appliance: LG Dryer DLE4870W Lg Dryer Dle4870w / : Dryer would not stop unless I unplugged it. How to replace Main Pcb Assembly. Replaced the PCB board. Works like a champ now. Just use a small pick to unplug all the harnesses. Easy job. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes