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Dell U4025QW Service Manual page 9

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Disconnect the lamp cable, speakers' cable, LED
cable, FFC cable from the connectors of the board.
Use a Philips-head screwdriver to remove 4pcs
S8
screw for unlocking the USB unit, then disconnect
the eDP cable away from board and release the
USB unit from the hooks of the middle frame.
(No.1~4 screw size=M3x4, Torque=4
lamp cable
speaker cable
LED cable
FFC cable
1
4
Use a Philips-head screwdriver to remove 1pcs screw
for releasing the USB unit, then remove the USB
cover, then use a Philips-head screwdriver to remove
S9
1pcs screw for locking the USB board. Disconnect the
USB connective cable.
(No.1~2 screw size=M3x3, Torque=4
5. Disassembly and Assembly Procedures
1kgfxcm)
±
3
2
±
1kgfxcm)
2
Release the two speakers from the probers of the
middle frame and put it aside.
S10
screwdriver to remove 21pcs screws for unlocking
the middle frame with the panel module.
(No.1~21 Screw size= M3x0.5x4, Torque=5±0.5kgfxcm)
15
14
13
12
11
8
4
10
6
5
Tear off 3pcs aluminum foil, then
screwdriver to remove 4pcs screws for locking the
S11
bracket chassis module with the
(No.1~4 Screw size= M3x4, Torque=5
2
4
Lift up the bracket chassis, and disconnect the eDP
S12
cable from the connector of panel module, then put
the bracket chassis on a protective cushion.
1
Use a Philips-head
1
16
17
18
19
20
9
2
3
21
7
8
use a Philips-head
panel.
1kgfxcm)
±
1
5
3

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