How can I fix my Stereo, Sanyo, Model DC-C3OU?

For a while now my stereo would automatically eject my Cd's just after i put them in and pressed play. I thought maybe it was having trouble reading them. however, after ejecting a Cd twice it would eventually play the Cd. Now just yesterday the stereo ejected a Cd that i put in the 3rd tray and it wouldn't budge. The 3rd tray remained ejected and would close back into the stereo. So I was an Idiot and I tried pushing it back in physically. however, not that something broke, I heard a sound like something dropped out of place. The 3rd tray still didn't budge. So, I took the cover off the back and the 2nd tray was in the position to be read by the lense, the 3rd still in the ejected position and the 1st tray inside the grey metal box that houses the trays. and i found the reason that the 3rd tray won't close back into the stereo is because it pushes the 1st tray too far in that it hits the that thing that spins the Cd thats in the playing position. I hope someone can make sense of this and help me put my stereo back to the way it should be. I'm not wasting money on a new one because nothing broke it just needs a fix. Help Me!