Lenovo 100S Chromebook-11IBY, Hardware Maintenance Manual

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d d
e
Figure 10. Remove the I/O board
Table 6. Screw specifications — removing the I/O board
Screw
label Specifications Color
Torque
4
M2 × 3mm, flat-head, nylon-coated Black
1.85 +/- 0.15kgf-cm
Refer to Table 3 “Part numbers for FRUs (CRUs)” on page 22 to look up the Lenovo part numbers of
replacement I/O board.
Remove the WLAN & Bluetooth combo module
Make sure the following FRUs (CRUs) have been removed:
“Remove the upper case and the battery” on page 25
Step 1. Disconnect the white and black cables from the WLAN & Bluetooth combo module 1 .
a
a
Figure 11. Disconnect antenna cables
Step 2. Remove the screw
2
.
Chapter 4
.
Removing a FRU or CRU
29