46
U31-70 Hardware Maintenance Manual
1080 IO board, DC-in cable
For access, remove these FRUs in order:
• “1010 Base cover” on page 32
• “1020 Battery pack” on page 34
• “1070 Fan assembly and Heat Sink assembly” on page 42
Figure 8. Removal steps of IO board, DC-in cable
Detach the IO board connector in the directions shown by arrows
1
and
2
.
Remove the screw
3
.
3
1
2
Step Screw (quantity)
Color Torque
3
M2 × 2.5 mm, Phillips-head, nylok-coated (1)
io board---log up
Silver
1.0~1.5 kgf*cm
When installing:
Make sure that the connector is attached firmly.