Dell S2721HGF Simplified Service Manual page 4

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Necessary repair and test equipment:
1. Philips-head screwdriver
4.1 Disassembly Procedures:
Remove the monitor stand base:
1. Place the monitor on a soft cloth or cushion.
S1
2. Press and hold the stand-release button.
3. Lift the stand up and away from the monitor.
Use a Philips-head screwdriver to remove four
S2
screws for unlocking mechanisms.
(No.1~4 screw size=M4x8; Torque=10~11kgfxcm)
Wedge your fingers between the rear cover and the
middle bezel on the corners of the top side of the
monitor to release the rear cover, then use one hand
S3
to press the middle bezel, the other hand to pull up
carefully the rear cover in order of arrow preference
for unlocking mechanisms of rear cover.
1
3
4. Disassembly and Assembly Procedures
2
3
1
4
2
4
Lift the rear cover up carefully. Disconnect the
function key cable and power key cable from the
S4
connectors of the interface board, and then remove
the rear cover.
Put the rear cover on a protective cushion. Use a
Philips-head screwdriver to remove 4pcs screws for
unlocking the function key board with the rear cover.
S5
Tear off the key tapes and release the function key
board from the hook of the rear cover.
(No.1~4 screw size=M2x0.2, Torque=0.8
Tear off all the adhesive tapes for releasing the panel
S6
lamp cable, then disconnect the panel cable away
from the connector of the panel module.
0.2kgfxcm)
±
1
3
2
4

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