25 - 45 minutes
Broke the speaker enclosure connector on a previous repair
Well, but tedious.
If you don't have a screw tray, use a piece of printer paper and draw a 2x8 grid on it. Place the screws, for each step, in a separate grid space.
Also, when putting the new antenna on, make sure to attach the end part (hooked brass part) to the plastic clip first.