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8. Locate the battery on the CEC backplane as shown in the illustration on page 439.
9. Using your fingernail, pry the battery out of its plastic mount. After the bottom of
the battery has cleared the top edge of the plastic mount, pull it up and away from
the CEC backplane.
Note: The battery's plastic mount connections are soldered to the CEC backplane.
If the battery mount is damaged or removed, permanent damage can result
to the CEC backplane.
10. Replace the battery with (FRU) part number 00P3903 or equivalent.
11. When installing the new battery, ensure that the battery polarity is correct. For this
system, the positive (+) side of the battery should be facing up in its plastic mount.
12. Gently insert the new battery into its plastic mount.
13. Replace processor assembly 1 as described in "Adding or Replacing a Processor
Card" on page 428.
14. Replace the media device support shelf. Tighten the thumbscrew located on the
support shelf.
Note: When replacing the support shelf, ensure that the lower support leg
activates the microswitch located on the CEC backplane. Failure to do so
results in the system not being able to power-on.
1 CEC backplane
2 Battery
3 Battery Plastic Mount
Chapter 9. Removal and Replacement Procedures
439
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