I replaced a X drive servo motor today so I decided to tear the old one apart to see if I could locate the problem. It ended up being a shored coil so I thought I would post some pictures of the inside of the motor.
http://i361.photobucket.com/albums/o...vo-Motor-1.gif
http://i361.photobucket.com/albums/o...vo-Motor-2.gif
http://i361.photobucket.com/albums/o...vo-Motor-3.gif