It may happen that the CD player has difficulty playing the track. In this case the simplest and perhaps most decisive thing is to clean the lens (or head). The lens should be cleaned gently with a cotton swab soaked in alcohol. Once the reader casing has been opened, we also take the opportunity to clean and lubricate the rollers and carriages.
Reference article:
http://www.aggiustatutto.it/faidate-l...