So I fixed the phpMyAdmin issue. It indeed was just a collation config issue. So I ran that query successfully.
So now that that's taken care of, I continued down that FAQ fix for my blank admin page issue.
- I've updated my config.php to enabling debugging
- I've run the above-mentioned query in phpMyAdmin succesfully
- And I've deleted config_MAIN_CFG.php from the cache directory
With all this done... there's been NO change. I still get a blank page trying to access my admin.php! Ahhh!!
BTW: Back during setup, I chose to rename my admin.php file (as suggested for security reasons), and reflected that accordingly in my config.php. This wouldn't have anything to do with this, right?