The terminal box is located on the back of the back outer case.
Cut off the power. Use a small flat screwdriver to open two snaps a and b.
Use a Phillips screwdriver to take off screws c, d, e and f.
Change the new power cord, fix the brown wire g on d, yellow/green wire h on c, blue wire i on e.
g Brown (Live)
h Yellow/Green
i Blue (Neutral)