Tom S Charlotte , NC November 07, 2015 Appliance: Model SAMSUNG SMH9207ST Buttons for vent and light broke on samsung smh9207st Undid screws on top of front panel. Slid vent cover left to remove the panel. Undid screw on top right of fascis cover. Removed fascia to expose circuit board. Undid screws to separate circuit board from panel. Unclipped board. Took out old buttons, replaced, clipped in button 'clickers. Reversed all steps. About 30 mins and all good. 13 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes