
42
IdeaPad Tablet K1 Hardware Maintenance Manual
1080
Optical finger navigation (OFN) module
For access, remove these FRUs in order:
•
“1010 Base cover” on page 31
•
“1020 Battery pack” on page 33
•
“1030 Middle cover” on page 34
•
“1040 Docking bracket” on page 35
•
“1050 System board” on page 36
•
“1060 Switch board, SD board and HDMI board” on page 38
•
“1070 Speaker” on page 41
Figure 8. Removal steps of optical finger navigation (OFN) module
Remove two screws
1
and then remove the optical finger navigation (OFN)
module bracket and the module in the direction shown by arrow
2
.
2
1
1
Step
Screw (quantity)
Color
Torque
1
M4.5 x 3 mm, flat-head, nylon-coated (2)
Silver
1.5-2.0 kg/cm