Electrical Components
D0CA/D0C9/D0C8/D0CB 4-212 SM
3. Pull out the controller board (PCB24) [A].
4. Remove the guide rails [A] from the old controller board, and install them on the new
controller board.
5. Remove the used NVRAM from the old controller board, and install it on the new controller
board.
• Make sure the NVRAM [A] is installed at the correct mounting location and
orientation. Install the NVRAM so that the indentation on the NVRAM corresponds
with the mark [B] on the controller board (PCB24).
• Incorrect installation of the NVRAM will damage both the controller board
(PCB24) and NVRAM.
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