The stern warnings that came with the instructions, however, have given me pause about doing it myself. Just wondering if people who've done it themselves found it to be tricky or not.
Make sure to read through
this and look at the illustrations. It should give you a better idea of what's involved and give you an appropriate amount of either increased confidence or decreased confidence, depending on your skill level.
While the player is open, also check for the problem with the IDE header solder joints as described
here.