Fanuc Power Mate i-D/H Operation Maintenance Handbook

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D Replacement procedure
CAUTION1 Before replacing the base printedcircuit board, remove the
card PCBs and DIMM modules on the base printed–circuit
board, and mount them on a new base printedcircuit board. As
the memory module is removed, the SRAM memory contents
are erased. Therefore, before starting the replacement, check
that a backup copy of the latest SRAM data is saved in a
memory card or Handy File. Also, it is recommended that the
data in the SRAM be backed up into the builtin FROM of the
Power Mate.
CAUTION2 Observe the CAUTIONS on the methods for dismounting and
mounting the base printedcircuit board, methods for mounting
and dismounting card PCBs, and methods for mounting and dis-
mounting DIMM modules.
(1) Remove the lithium battery.
(2) Dismount the base printedcircuit board.
(3) Remove the CPU card, axis control card, option card, and memory
card by following the method for mounting and demounting card
PCBs in Subsections 7.7.2 and 7.7.3.
(4) Mount the CPU card, axis control card, option card, and memory
card on the new base printedcircuit board by following the method
for mounting and demounting card PCBs.
(5) Mount the base printedcircuit board.
(6) Mount the lithium battery.
(7) Restore the SRAM memory data.

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