Dell U4021QW Service Manual page 11

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Turn over the panel module to place screen faced
down. Paste 2pcs shading tape on the top side of the
panel connectors as the picture below shown, then
S7
take 1pcs panel lamp to plug the two connectors of
the panel module, then cover the two connectors with
shading tapes on the top side.
Move the bracket chassis module close to the panel
module, then connect the LVDS cable to the
S8
connector of the T-Con board, then put the bracket
on the back of the panel module. Connect the panel
lamp cable to the connector of the board.
5. Disassembly and Assembly Procedures
Adjust the bracket chassis module, and then u
Philips-head screwdriver to tighten 5pcs screws for
locking the bracket chassis module with the panel
S9
tighten 2pcs screws for locking the heat-sink with the
board. Paste 2pcs aluminum foil on the specific
position to fix the lamp cable.
(No.1~7 Screw size= M3x5, Torque=5
2
4
Take 1pcs LED board and 1pcs middle bezel, and
then tear off the glue paper of the LED board, locate
the LED board into the pins of the middle bezel, and
S10
then paste 1pcs mylar tape to fix the LED board, then
tear off the 2pcs papers on the back of the LED
cable, and fix the cable on the bezel with 2pcs tapes.
0.5kgfxcm)
±
5
3
6
1
7
se a
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