1080 Audio Board; 1090 Usb Board - Lenovo ThinkPad X1 Carbon Gen 10 Hardware Maintenance Manual

When installing:
• Ensure that the connector is attached firmly.
• Do not press the top of the fan cover and the fan hub.
• Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on
the part marked a as shown in the following illustrations. Either too much or too less application of grease
can cause a thermal problem due to imperfect contact with a component.

1080 Audio board

For access, remove this FRU:
• "1010 Base cover assembly" on page 64
Removal steps of the audio board
Step Screw (quantity)
1
M2 × L4.5 mm, flat-head, nylon-coated (2)

1090 USB board

For access, remove this FRU:
• "1010 Base cover assembly" on page 64
Color Torque
Silver 0.181 Nm
(1.85 kgf-cm)
.
Chapter 8 Removing or replacing a FRU
71