2- back lights very by technology. not all are simple incandecent bulb.
1- make and model is needed for that, factory stock is it?
see harbor frieght has box full of the unlockers. huge kit.
or call "manfacture of player" local repair shop and buy the tool , it is about $15.
or as some will tell you fish a coat hanger in side and really mess it up.
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