Lenovo C20-30 Lenovo C20 Series Touch All-In-One PC Hardware Maintenance Manua - Page 49

ReplacingtheLEDpanel

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Step 5. Disconnect the 2 cables from the converter board. Step 6. Remove the screw that secures the converter board to the bracket. Step 7. Lift up the converter board to remove it. Step 8. To install the new converter board: a. Line up the holes in the new converter board with the mounting holes on the bracket and secure the new converter board with the screw. b. Connect the 2 cables to the new converter board. Step 9. Reattach the rear cover. Replacing the LED panel Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover. To replace the LED panel: Step 1. Step 2. Step 3. Step 4. Step 5. Step 6. 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 rear cover. Refer to "Removing the rear cover". Remove the converter board. Refer to "Replacing the converter board". Remove the camera. Refer to "Replacing the camera". Chapter 7. Replacing hardware 43

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Step 5. Disconnect the 2 cables from the converter board.
Step 6. Remove the screw that secures the converter board to the bracket.
Step 7. Lift up the converter board to remove it.
Step 8. To install the new converter board:
a. Line up the holes in the new converter board with the mounting holes on the bracket and
secure the new converter board with the screw.
b. Connect the 2 cables to the new converter board.
Step 9. Reattach the rear cover.
ReplacingtheLEDpanel
Note:
Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingtherearcover.
ToreplacetheLEDpanel:
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 rear cover. Refer to “Removing the rear cover”.
Step 5. Remove the converter board. Refer to “Replacing the converter board”.
Step 6. Remove the camera. Refer to “Replacing the camera”.
Chapter 7
.
Replacing hardware
43