Lenovo C40 Series Hardware Maintenance Manual page 54

Step 17. To install the new the LED panel module:
The new LED panel module including:
a. Line up the optical drive connector with mounting holes on the chassis, and then secure
connector with the two screws.
b. Connect the converter cable to the connector on the LED panel.
c. Connect the LVDS cable to the connector on the motherboard.
d. Connect the touch control board cables to the connector on the touch control board.
e. Attach the camera to the new LED module.
f. Line up the rear deco with the guide track on the LED module, then slide the rear deco into
position.
g. Secure the rear deco to the new LED module with the six screws.
h. Attach the speaker module to the new LED module.
Step 18. Reattach the motherboard, speaker system, heat-sink, system fan, EMI cover, optical drive, middle
cover, computer stand, foot cover and stand base.
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Lenovo C40 Series All-In-One Computer Hardware Maintenance Manual
1. LED panel
2. LVDS cable
3. Touch control board and touch cable. (Touch
model only)