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2
DELL P3221D
Use a Philips-head screwdriver to release 1 screws
for unlocking the USB board, then disconnect the
S9
USB FFC cable away from the connector of the
interface board and remove the Usb board unit.
(No.1screw size=M3x6, Torque=4
Tear off 1pcs conductive tape and 1pcs aluminum foil
as the picture below shown. Use a Philips-head
S10
screwdriver to remove 4pcs screws for unlocking the
middle bezel with front bezel.
(No.1~4 screw size=M2x3.5, Torque=2.5
3
1
Use a Philips-head screwdriver to remove 14pcs
screws for unlocking the middle bezel with the panel
S11
module, then tear off the aluminum foil for unlocking
the cables and bracket.
(No.1~14 screw size=M3x5, Torque=5
4
5
3
11
12
13
0.5kgfxcm)
±
1
0.5kgfxcm)
±
2
4
0.5kgfxcm)
±
6
7
2
1
8
9
10
14
Disconnect the LED cable from the connector of the
S12
interface board, then release the LED cable by
tearing off the tapes.
Take away the middle bezel, and put it on a fixture.
U
se a Philips-head screwdriver to remove 1pcs
screw for unlocking the LED board with the middle
S13
bezel, and then
tear off the tape for releasing the
LED cable.
(No.1~3 screw size=M2x2.4, Torque=0.8±0.2kgfxcm
Lift up the panel module with the bracket chassis for
releasing the front bezel away from the panel
module. Disconnect the panel lamp cables away
S14
from the connectors of the interface board and the
panel module.
2
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