3. Ground plate [B] ( x 2)
4. BICU [C] (all , 2 flat cables, x 6)
• When replacing the BICU, remove the NVRAM [D] from the board. Install the NVRAM to the
new board.
5. After replacing the NVRAM, copy the saved data to the NVRAM.
• From an SD card to the NVRAM (* "NVRAM Data Upload/Download (SP5-824/825)" in
the chapter "Service Tables")
Controller Board
• Before replacing the controller board, be sure to print out SMC or save the NVRAM data.
• Saving from the Controller NVRAM to an SD card (* "NVRAM Data Upload/Download
[SP5-824/825]" in the chapter "Service Tables" of the this manual)
1. Rear cover (* "Rear Cover")
2. FCU (* "FCU")
BICU and Controller Board
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