David F Las Vegas , NV January 17, 2017 Appliance: Model DLGX8001W Drum kept tubmling when unit was off Replace the main PCB on the DLGX8001W. For this unit, you only need to remove the 3 screws on the back (under the lip), slide the cover back, take it off, the main board is right there on the top of the unit. Read More... 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes Tools: Screwdrivers