Replacing Frus (Machine Types: 10B4, 10B5, 10B6, And 10B7) - Lenovo 10B0 Maintenance Manual

CAUTION:
Never remove the cover on a power supply or any part that has the following label attached.
Hazardous voltage, current, and energy levels are present inside any component that has this label
attached. There are no serviceable parts inside these components. If you suspect a problem with
one of these parts, contact a service technician.
To replace the power supply assembly, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Remove the computer cover. See "Removing the computer cover" on page 136.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 136
4. Pivot the drive bay assembly upward. Then, pivot the two plastic retaining clips outward to remove
the heat sink fan duct from the failing heat sink and fan assembly.
Figure 105. Removing the heat sink fan duct
5. Record the cable routing and cable connections. Then, disconnect the power supply assembly cables
from the system board and all drives.
6. Release the power supply assembly cables from any cable clips or ties that secure the cables to the
chassis.
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Chapter 10

Replacing FRUs (machine types: 10B4, 10B5, 10B6, and 10B7)

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