Dell U2722DE Service Manual page 12

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Adjust the bracket chassis module, and then u
Philips-head screwdriver to tighten 4pcs screws for
S7
locking the bracket chassis module with the panel
(No.1~4 Screw size= M3x5, Torque=5±0.5kgfxcm)
1
1
Take 1pcs LED key board and 1pcs middle bezel,
then put the middle bezel into a fixture jip to fix the
middle bezel. Tear off the gum on the back of the
S8
board, and then paste the LED board on the correct
position of the middle bezel, then paste 1pcs mylar
tape to cover the LED board as the picture below
shown.
5. Disassembly and Assembly Procedures
se a
.
1
4
Move the middle bezel with the LED board close to
S9
the panel unit, then assemble the middle bezel with
the front bezel and panel module.
Tear off the release paper of the adhesive tape on
S10
the back of the LED cable, then settle and fix the
LED cable on the back of the panel module.
Connect the panel lamp cable to the connector of
S11
the panel module. Connect the LED cable to the
connector of the interface board.
Use a Philips-head screwdriver to tighten 13pcs
screws for locking the middle bezel with the panel
S12
module.
(No.1~13 screw size=M3x5, Torque=5
7
5
2
8
13
12
0.5kgfxcm)
±
1
6
4
3
9
11
10

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