Electrical Components
• Before you replace the EGB (Engine Board), the controller, or the NVRAM, print out the SMC reports
(“SP Mode Data” and “Logging Data”).
• After you replace the EGB (Engine Board) or the controller, remove the NVRAM from the old board
and install it on the new board. If the NVRAM on the old board is defective, replace the NVRAM
(* NVRAM Replacement procedure).
Electrical board unit
1. Front door
2. Top cover
3. Right cover [A] ( x 1)
Electrical Components
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