Lenovo 7269D7U - Topseller M58e Sff E7500 2.93G 3Gb 320Gb Dvdrw W7p/Xpp, Руководство по техническому обслуживанию аппаратной части

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Replacing the Internal speaker
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 internal speaker.
1. Remove the computer cover. See “Removing the computer cover” on page 69.
2. Remove the front bezel. See “Removing and installing the front bezel” on page 70
3. Locate the internal speaker connector on the system board. See “System board connectors” on page 68.
4. Disconnect the internal speaker cable from the system board.
5. Use a blunt instrument (such as, the top of a ball point pen) to disengage one of the
internal-speaker-locking tabs
2
and slide that side of the speaker
1
upward enough to keep the
locking tab disengaged. Then disengage the other internal-speaker-locking tab and slide the internal
speaker upward until the speaker is released.
6. Route the speaker cable and then position the new internal-speaker tabs 3 into the metal speaker slots
and then push the internal speaker downward until the speaker-locking tabs snap into position.
7. Connect the speaker cable to the system board. See “System board connectors” on page 68.
8. Go to “Completing the FRU replacement” on page 95.
Completing the FRU replacement
After replacing FRUs, you need to install any removed parts, replace the cover, and reconnect any cables,
including telephone lines and power cords. Also, depending on the FRU that is replaced, you might need to
confirm the updated information in the Setup Utility program.
Note: When the power cord is first plugged in, the computer might appear to turn on for a few seconds and
then turn off. This is a normal sequence to enable the computer to initialize.
Chapter 8
.
Replacing FRUs (Types 7258, 7260, 7268, 7270, 7280, 7296, 7298, 7304, 7307,7413, 7491, and 7508)
95