Replacing The Power Supply Assembly - Lenovo ThinkCentre Hardware Maintenance Manual
Machine types: 7258, 7259; 720; 7267; 7268; 7269; 7270; 7279; 7280; 7290; 7296; 7297; 7298; 7303; 7304; 7306; 7307; 7408; 7413; 7487; 7491; 7506; 7508; 7514; 7843; 7847
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- Hardware maintenance manual (408 pages) ,
- Safety and warranty manual (265 pages) ,
- User manual (32 pages)
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Replacing the power supply assembly
This section provides instructions on how to replace the power supply assembly.
To replace the power supply assembly:
88
Hardware Maintenance Manual
Attention
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 servicable parts inside
these components.
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 was
included with your computer. To obtain a copy of the ThinkCentre Safety and Warranty
Guide, go to:
http://www.lenovo.com/support
1. Remove the computer cover. See "Removing the computer cover" on page 85.
2. Lay the computer on its side.
3. Disconnect the power supply assembly cables from the system board and
from all drives. See "System board connectors" on page 84.
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