PCBs and Other Items
D017/D018/D019/D020 3-52 SM
Before touching the controller board, always touch a metal surface to
discharge any static that has accumulated on your hands.
2. Remove:
[A] Faceplate ( x3)
[B] Controller board ( x4)
Make sure that the thermal conductive sheet [C] is attached to the bracket
after replacement of this procedure.
3. Remove:
[A] Upper brace
[B] Lower brace
[C] NVRAM x2
4. Remove the NVRAMs from the old board and install them on the new board.
The NVRAM chips must always be replaced as a pair.
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