Put the dust cover back on and turn the turntable upside down. Unscrew the fasteners holding each of the rubber feet to the base plate.

Then remove any remaining screws holding the base plate onto the plinth. The base plate can now be lifted off to reveal the internals.

You may need to wedge a flat-blade screwdriver between the plinth and base plate to lift it off.

You can now access the motor, power-supply, and main circuit board for repairs or servicing