George N Old Greenwich , CT May 04, 2015 Appliance: Model PCB ASSEMBLY,MAIN BY LG Intermittent lights would go on and off With this part, the Mother Board. Cost is negligible compared to a service repair man coming to ur home, taking the day off, and placing a mark up on an iten that cost $100. Great price, great service desk. I would recommend this site to anyone thats handy or not. They also have how to videos. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes