Lenovo B50-45 Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebo - Page 51
USB board and ODD board, installing
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Lenovo B50-30/B50-30 Touch/B50-45/B50-70 1100 USB board and ODD board For access, remove these FRUs: • "1010 Battery pack" on page 33 • "1020 Optical drive" on page 34 • "1030 Bottom slot cover" on page 36 • "1070 Keyboard" on page 41 • "1080 Keyboard bezel" on page 43 Figure 10. Removal steps of USB board and ODD board Disconnect two connectors in the direction shown by arrow a. Remove the screws b. Then remove the USB board and ODD board in the direction shown by arrow c . 2 2 3 1 2 3 Step Screw (quantity) b M2.5 x 4 mm, flat‐head, nylok‐coated (3) Color Black Torque 2.0~2.5kgf.cm When installing: Make sure that the ODD and USB connectors are attached firmly. 47
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Lenovo B50-30/B50-30 Touch/B50-45/B50-70
47
1100 USB board and ODD board
For
access,
remove
these
FRUs:
•
“1010
Battery
pack”
on
page
33
•
“1020
Optical
drive”
on
page
34
•
“1030
Bottom
slot
cover”
on
page
36
•
“1070
Keyboard”
on
page
41
•
“1080
Keyboard
bezel”
on
page
43
Figure
10.
Removal
steps
of
USB
board
and
ODD
board
Disconnect
two
connectors
in
the
direction
shown
by
arrow
.
Remove
the
screws
Then
remove
the
USB
board
and
ODD
board
in
the
direction
shown
by
arrow
.
When
installing:
Make
sure
that
the
ODD
and
USB
connectors
are
attached
firmly.
Step
Screw (quantity)
Color
Torque
M2.5
x
4
mm,
flat
‐
head,
nylok
‐
coated
(3)
Black
2.0~2.5kgf.cm
a
b
c
1
2
2
2
3
3
b