X1 Service Guide 38
Remove and Replace the Keypad
The keypad fastens to the inside of the top case. The keypad consists of the keypad ECA (510-1774-xx),
the key set (505-1515-xx), and the LED cover (340-1123-xx. The keypad ECA permanently connects to
the front IR receiver ECA. A ribbon cable extends between them. The LED cover nests in the recess
between the keypad ECA and the top case. It focuses light from the power LED on the keypad ECA
through a hole in the top case.
1. Remove the following items:
Lamp module (page 42)
Focus ring (page 30)
Zoom ring (page 30)
Front bezel (page 32)
Rear bezel (page 49)
Top case (page 52)
2. Place the top case face down on a soft work surface.
3. Remove the four M3x10 Plastite Phillips screws that fasten the keypad to the top case. Then then
lift the keypad ECA out of the top case.
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