Lenovo ThinkPad R50 Hardware Maintenance Manual (HMM) - Page 121
interposer
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Removing and replacing a FRU Remove the connector bracket from the system board by removing screws 5 and 6 . Then remove the ac connector from the system board by disconnecting the cables 7 . Step 8 is only for the models with 15.0-in. LCD models. Other models do not have the interposer card. 6 5 5 7 8 Step Screw (quantity) 5 Hex stud (2) 6 M2.5 × 3 mm, flat-head, nylon-coated (1) Color Silver Black Torque 0.392 Nm (4 kgfcm) 0.392 Nm (4 kgfcm) ThinkPad R50/R50p and R51 Series 117
Remove
the
connector
bracket
from
the
system
board
by
removing
screws
±5²
and
±6²
.
Then
remove
the
ac
connector
from
the
system
board
by
disconnecting
the
cables
±7²
.
Step
±8²
is
only
for
the
models
with
15.0-in.
LCD
models.
Other
models
do
not
have
the
interposer
card.
5
5
6
7
8
Step
Screw
(quantity)
Color
Torque
±5²
Hex
stud
(2)
Silver
0.392
Nm
(4
kgfcm)
±6²
M2.5
×
3
mm,
flat-head,
nylon-coated
(1)
Black
0.392
Nm
(4
kgfcm)
Removing
and
replacing
a
FRU
ThinkPad
R50/R50p
and
R51
Series
117