Lenovo 0809C6U User Manual - Page 38

Replacing the power supply assembly, Hazardous voltage, current

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What to do next: v To work with another piece of hardware, go to the appropriate section. v To complete the replacement, go to "Completing the parts replacement" on page 44. Replacing the power supply assembly 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 power supply assembly. Although there are no moving parts in your computer after the power cord has been disconnected, the following warnings are required for your safety and proper Underwriters Laboratories (UL) certification. DANGER Hazardous moving parts. Keep fingers and other body parts away. CAUTION: Never remove the cover on a power supply or any part that has the following label attached. 30 User Guide 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.

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What to do next:
v
To work with another piece of hardware, go to the appropriate section.
v
To complete the replacement, go to “Completing the parts replacement” on
page 44.
Replacing the power supply assembly
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:
This section provides instructions on how to replace the power supply assembly.
Although there are no moving parts in your computer after the power cord has
been disconnected, the following warnings are required for your safety and proper
Underwriters Laboratories (UL) certification.
DANGER
Hazardous moving parts. Keep fingers and other body parts away.
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.
30
User Guide