Instructions
Call Sony customer support at 800-345-SONY (7669).
Press 3 to select "Network Questions."
Press 1 to select "PS3."
Press 2 for "PlayStation Network Account."
Press 4 for "PlayStation Network Account Deactivation and Reactivation."
Press 0 to speak with a PlayStation support representative. You will need your broken system handy to provide the serial number on the case.
Explain that your system no longer works and you are unable to deactivate your account. The phone representative can help you with getting the account cleared from the system.