no i dont think there's any difference in them, but if the chip on the controller board is gone the blu ray wont work. even if you buy a new one.
Originally posted by rangerswatp1873
hi my ps3 blue ray drive is kem-410aca 1 and it dosnt read disks so i bought one of the internet and it turned out to be kem-410aca 2 . Is there a difference in them ? because the new once doesn't even take a disk in now, or is the power cable to the blue ray drive broken? please help and thanks