Lenovo ideacentre AIO 520-22 IKL, Руководство по техническому обслуживанию аппаратной части, Страница: 58 / 107

Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo
recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches
or other damage.
To replace the speaker system:
Step 1. Remove any media from the drives, shut down the operating system, and turn off the computer
and all attached devices.
Step 2. Unplug all power cords from electrical outlets.
Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O)
cables, and any other cables that are connected to the computer. Refer to Locating connectors,
controls and components to locate the various connectors.
Step 4. Remove the stand base. Refer to Removing the stand base.
Step 5. Remove the rear cover. Refer to Removing the rear cover.
Step 6. Disconnect the microphone module cable from the connector on the motherboard, and remove the
screw that secures the microphone module to the motherboard.
Step 7. Lift up the microphone module to remove it.
Step 8. To install the new microphone module:
a. Secure the new microphone module to the motherboard with the screw.
b. Connect the cable to the motherboard.
Step 9. Reattach rear cover and stand base.
Replacing the speaker system
Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
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ideacentre All-In-One 520 (22 & 24 inch) Computer Hardware Maintenance Manual