Lenovo ThinkCentre A70z ALL-IN-ONE, Руководство по техническому обслуживанию аппаратной части

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Replacing the inverter
Attention
Do not open your computer or attempt any repair before reading and understanding the “Important safety
information” in the
ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy
of the ThinkCentre Safety and Warranty Guide , go to:
http://www.lenovo.com/support
This section provides instructions on how to replace the inverter.
Removing the inverter
To remove the inverter, do the following:
1. Turn off the computer.
2. Disconnect all cables, power cords, and external options from your computer. See “Rear connectors”
on page 65.
3. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay
it down so that the screen is against the surface and the cover is facing up.
4. Remove the computer cover. See “Removing the computer cover” on page 70.
5. Remove the inverter shielding by removing the screw that secures the inverter shielding to the system
board shielding.
6. Disconnect the three inverter cables.
7. Remove the two screws that secure the inverter to the system board shielding. Remove the inverter
cover that came with the inverter.
Chapter 8
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Replacing FRUs
97