Traduction de l’étape 3
Carefully disconnect the three wire bundles attached to the bad power supply board. They are in yellow boxes in the picture
Remove the four screws (red circles in the picture) in the corners of the bad power supply board and lift it up to remove it
The black cylindrical component in the green square on the board is a capacitor. If it is puffy or leaking liquid or goo, then the power supply board is definitely bad!