I saw this, video on youtube of Pioneer CLD-950 repair to the disc tray. Since its in French I think it is, I can't understand what is being said I can thou see what is happening so I'll post it here.
Pioneer Laserdisc CLD-950 - Essai et dépannage (Repair / Fix)
http://www.youtube.com/watch?v=fnbGyPt4 ... re=related