DVD Headunit
 

So, I have a Pioneer Avh-x3500bhs double-din DVD receiver that has suddenly quit loading cd's/dvd's correctly. It will pull them in, start clicking repeatedly, then eventually eject them out. Without even trying to put a disc in, every time I turn on the ignition the unit tries for a solid 3 minutes or so to eject a disc out that isn't there.

My question is, has anybody opened one of these things up to repair? If so, how difficult is it? I called a "Pioneer" approved repair shop (the closest to me being in Chicago), and they're suggesting that with the diagnostic fee, shipping and repairs, I'm looking around $250ish. That's just in the range to make me think about a different unit since this one was ~$500ish new. That said, if I can fix it myself, I'd much rather go that route.
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just got to search for a service manual. but the new units are nice. half the time no one use disc anymore, everything is on usb and bluetooth.

or sell it as is , good to use with a reverse cam, needs a firmware update.