if you're feelin crafty with your hands... the top cover should just pull off... BUT... once inside, you'll notice that the CD is "clamped" in place... so you cant just lift it out of there... If you're not too worried about breaking anything in the player you can try puttering around with it... but I dont really recomend this if you're not too sure what you're doing. You maybe able to open the grasp of the player and carefully slide the CD out the slot... but im not sure.

If you have some spare time on your hands... pop the alpine back out, plug the deck in real quick and eject the CD... thats gonna be the easiest way... a shop will most likely charge you for that.

Ive done that before... but luckily for me I keep plugs around that fit the back of honda radios... so if I do screw up, I can power the deck up really quick and pop the cd out.