Lenovo B490 Hardware Maintenance Manual - Page 67
Removal steps of system board assembly and USB board, When installing, Then detach the DC-in cable.
View all Lenovo B490 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 67 highlights
Removal steps of system board assembly and USB board Remove the screws 1 , and then detach the connectors as shown in the following illustration. 9 8 1 1 6 7 2 3 4 1 5 Step 1 Screw (quantity) M2 × 6 mm, flat-head, nylon-coated (2) Color Black Torque 1.85 kgf-cm When installing: Ensure that all the connectors are attached firmly. Remove the system board in the direction shown by the arrow 10 and 11 . Then detach the DC-in cable. 11 10 12 Chapter 7. Removing and replacing a FRU 61
Removal steps of system board assembly and USB board
Remove the screws
1
, and then detach the connectors as shown in the following illustration.
1
1
3
4
2
5
8
9
1
7
6
Step
Screw (quantity)
Color
Torque
1
M2 × 6 mm, flat-head, nylon-coated (2)
Black
1.85 kgf-cm
When installing:
Ensure that all the connectors are attached firmly.
Remove the system board in the direction shown by the arrow
10
and
11
. Then detach the DC-in cable.
12
10
11
Chapter 7
.
Removing and replacing a FRU
61