Main Board Removal

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Detach the main board

Don't try to fully remove the motherboard during this step—the corner near the power button is still secured by metal prongs, which will be disconnected in the next step.
Gently lift the edge of the motherboard with the large cutout to partially separate it from the bottom shield plate.
With the board lifted, insert the flat end of a spudger between the board and the bottom shield plate and gently twist to separate them. Work your way around the perimeter of the board.
Many small thermal pads bond the main board to the metal shield plate underneath. Depending on the age of your PlayStation and the condition of the pads, it may take significant force to separate the board.

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