Inspired in large part by Admin Stephen sfbp's about adding an optical digital output to his MXD-D40 Minidisc Recorder / CD Player Combo deck, I have finally begun the project to "fix" the Achilles's heel of my eleven-year-old Sony MXD-D5C Minidisc Recorder / 5 CD Changer deck by adding a TOSlink optical digital output:
EDIT 2011/10/27: How-To guide