Or it needs a proper cleaning. There is a thread called “Beosound 9000, how to fix the laser” that links to a video on how to clean the laser under the lens and mirror.
Thank you both. The laser optic has been carefully cleaned and as it doesn’t read the CD any longer, it could be either problems as suggested. I will pass this information on the owner who is 83 years old and desperate to get his treasure working again. It seems that there is nobody in Florida that can help him.