Lenovo A720 Lenovo IdeaCentre A720 Hardware Maintenance Manual (English) - Page 64

Replacing the front function board

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Step 8. Lift up the camera 2 and disconnect the data cable from the camera. 3 1 2 1 3 Step 9. To install the new camera: a. Connect the data cable to the new camera. b. Line up the holes in the new camera with the mounting holes on the front bezel and secure it with the 2 screws. Step 10. Reattach the rear cover to the LED panel. Step 11. Reattach the hinge to the chassis, and reconnect the touch and LED panel cables to the motherboard. Step 12. Reattach the base cover and secure it with the screws. Replacing the front function board Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. To replace the front function board: Step 1. Step 2. Step 3. Step 4. Step 5. Step 6. Step 7. Step 8. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Unplug all power cords from electrical outlets. 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. Remove the base cover. Refer to "Removing the base cover". Remove the hinge from the chassis. Refer to "Removing the hinge from the chassis". Remove the rear cover. Refer to "Removing the rear cover". Remove the 2 screws that secure the front function board to the front bezel. 1 Disconnect the data cable from the front function board. 2 58 IdeaCentre A720Hardware Maintenance Manual

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Step 8.
Lift up the camera
2
and disconnect the data cable from the camera.
3
Step 9.
To install the new camera:
a.
Connect the data cable to the new camera.
b.
Line up the holes in the new camera with the mounting holes on the front bezel and secure
it with the 2 screws.
Step 10. Reattach the rear cover to the LED panel.
Step 11. Reattach the hinge to the chassis, and reconnect the touch and LED panel cables to the
motherboard.
Step 12. Reattach the base cover and secure it with the screws.
Replacing the front function board
Note:
Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
To replace the front function board:
Step 1.
Remove any media (disks, CDs, DVDs, 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 base cover. Refer to “Removing the base cover”.
Step 5.
Remove the hinge from the chassis. Refer to “Removing the hinge from the chassis”.
Step 6.
Remove the rear cover. Refer to “Removing the rear cover”.
Step 7.
Remove the 2 screws that secure the front function board to the front bezel.
1
Step 8.
Disconnect the data cable from the front function board.
2
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IdeaCentre A720Hardware Maintenance Manual