Replacing The Speaker System - Lenovo C2 Series Hardware Maintenance Manual

Step 12. Line up the new I/O module then slide it into the metal bracket and secure it with the screws.
Step 13. Line up the new I/O module and metal bracket with the chassis then secure them with the screws.
Step 14. Connect the power cable to the motherboard and the TV antenna cable(s) to the TV tuner card.
Step 15. Reattach the EMI cover, the computer cover, the speaker cover, the hard disk drive cover and
the optical disk drive.

Replacing the speaker system

Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
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 (disks, CDs, or memory cards) 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 "Left and right view"
and "Rear view" for help with locating the various connectors.
Step 4. Remove the optical drive. Refer to "Replacing the optical drive".
Step 5. Remove the hard disk drive cover. Refer to "Replacing the hard disk drive".
Step 6. Remove the speaker cover. Refer to "Removing the speaker cover".
Step 7. Remove the computer cover. Refer to "Removing the computer cover".
Step 8. Remove the EMI cover. Refer to " Removing the EMI cover".
Step 9. Remove the screws that secure the chassis to the front bezel , lift up the chassis
the speaker data cables from the chassis as shown.
For models C220 and C225 refer to the illustration below. (15 screws)
and detach
.
Chapter 8 Replacing hardware
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