Remove 4 circle pads to access the 4 screws. Using a Philips head screwdriver, remove all 4.

Remove the 4 circular pads, then using a Phillips screwdriver. Remove the 4 screws.

Using the metal spudger in the slits parallel to the Seal you will be able to separate the two piece's.

With a firm grip at the base of the cable pull up and away from board.

Locate the 4 screws, then using the Phillips screwdriver remove them.

The board should come out with ease.

Using your Phillips head screwdriver remove the 2 screws that hold the unit to the housing

With your Phillips head screwdriver, remove the 3 screws that hold it in place.

The device has been effectively disassembled.