I am working on a newer fat PS3 that uses the KES-410A laster. The system quit playing games, movies, and discs in general. Replaced the laser since it wouldn't even recognize an audio cd. After replacing the laser and re-assembling the unit it still didn't work properly. When you attempt to put a disc in it makes a buzzing noise then you can see the grooved piece on the side of the tray spin but nothing moves. Took it apart a few times and made sure nothing was loose, hung, everything attached, etc. Each time I would try to insert a disc it was the same outcome. So I find a new motor, replace it and still the same outcome.
What am I missing? I have checked all cable/ribbons at least 8-10 times, all screws seem fine and nothing "looks" broken ie gear teeth chipped, etc.