A repair call starts with testing the safety sensors, the wall control, and the motor's draw before we open anything up. If the board's gone, we replace the board or the unit, depending on what's available for that model. If it's a worn drive gear or a stripped sprocket, that's a parts swap we can usually do from stock on the truck.
We also check the door balance and spring tension as part of any opener call here - not an upsell, just a step we won't skip, because a door that's out of balance will take out a new opener the same way it took out the old one. For houses built mid-1960s with original hardware still in place, that balance check often turns up the real problem.