Jvc model mx-c33 home stereo

I moved it to the garage, placed it on top of refrigerator, reset time, stations. I didnt play a cd right away. When I did, one played fine and that was it. No is wasent dropped, but I wonder if putting on the metal refrigerator somehow misaligned the laser to read cd's. thanks for your interest, Rick
[I must add though, when I brought it back into the house, it picked up and played a cd. I then went to play one of the other 5 discs and the same problem occured.

Did this problem start as soon as you moved it or did it take a couple of weeks? also did it get dropped during the move?