Remove these 2 silver 8mm Philips #1 screws and their white plastic washers then unplug the ribbon cable. This plug will drop through the hole in the board when you lift off the board.

Remove these 6 silver 8mm Philips #2 screws from the main circuit board.

Remove these 2 silver 6mm Philips #2 screws that attach the board of plugs at the back of the projector.