Lenovo ThinkCentre A61, Hardware Maintenance Manual

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4. Note the front audio/USB assembly cable routing and remove the screw that
secures the assembly to the chassis.
5.
Remove the front audio/USB assembly.
6. Route the cable for the new front audio/USB assembly through the hole in the
chassis and to the system board.
7. Install the front audio/USB assembly into the chassis and secure it with the
screw.
8. Connect the front audio/USB assembly cable to the system board.
9. Reinstall the front bezel.
10.
Go to “Completing the FRU replacement” on page 114.
Replacing the power switch/LED 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 switch/LED
assembly.
To replace the power switch/LED assembly:
1. Remove the computer cover. See “Removing the computer cover” on page 87.
2.
Remove the front bezel. See “Removing and reinstalling the front bezel” on
page 89
3. Disconnect the power switch/LED assembly cable from the system board. See
“Locating parts on the system board” on page 89.
4. Note the power switch/LED assembly cable routing and the position of the
two LEDs.
5. Remove the switch and the LEDs from the bezel.
6. Route the cable for the new power switch/LED assembly through the hole in
the chassis and to the system board.
7.
Install the new power switch/LED assembly into the bezel. Make sure that the
LEDs are in the correct position.
8. Connect the power switch/LED cable to the system board.
9. Reinstall the front bezel.
10. Go to “Completing the FRU replacement” on page 114.
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Hardware Maintenance Manual