Lenovo 28479WU Hardware Maintenance Manual - Page 80

Backup battery, 1120 Bluetooth daughter card, Removal steps of the backup battery

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When installing: Plug the gray cable into the connector labeled MAIN or 1, and the black cable into the connector labeled AUX or 2 on the card. 1110 Backup battery For access, remove these FRUs in order: • "1010 Battery pack" on page 58 • "1020 Optical drive or travel cover" on page 58 • "1090 Palm rest assembly with cables" on page 69 DANGER Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode. Removal steps of the backup battery 2 1 When installing: Make sure that the battery connector is attached firmly to the system board. 1120 Bluetooth daughter card For access, remove these FRUs in order: • "1010 Battery pack" on page 58 • "1020 Optical drive or travel cover" on page 58 • "1090 Palm rest assembly with cables" on page 69 74 Hardware Maintenance Manual

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When installing:
Plug the gray cable into the connector labeled
MAIN
or
1
, and the black cable into the
connector labeled
AUX
or
2
on the card.
1110 Backup battery
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 58
•
“1020 Optical drive or travel cover” on page 58
•
“1090 Palm rest assembly with cables” on page 69
DANGER
Use only the battery specified in the parts list for your computer. Any other battery could ignite
or explode.
Removal steps of the backup battery
2
1
When installing:
Make sure that the battery connector is attached firmly to the system board.
1120 Bluetooth daughter card
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 58
•
“1020 Optical drive or travel cover” on page 58
•
“1090 Palm rest assembly with cables” on page 69
74
Hardware Maintenance Manual