Dell S2721HSX Monitor Teardown Instructions
- June 6, 2024
- Dell
Table of Contents
S2721HS/HSX
Disassembly Procedures:
S1 Open the Pizza carton with a proper tool.
S2 Take out all
of the accessories including QSG, HDMI cable, power cable, CD&user’s manual,
stand base, stand riser, and EEI label from the carton. (Note: It depends on
whether users returning the accessories)
S3Take out of the molded pulp with base carton, then take out the riser and
monitor from the EPE bag and put it on a protective cushion.
S4Use a Philips-head screwdriver to remove 4pcs screws for unlocking
mechanisms.
(No.1~4 screw size=M4x11; Torque=7 8kgfxcm)
S5Wedge 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 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.
`S6```Tear off 1pcs acetate tape and then disconnect the panel lamp cable away
from the connector of the panel. Tear off 2pcs aluminum foils, and then
disconnect the function key cable away from the connector of the board.
S7Use a Philips-head screwdriver to remove 18pcs screws for unlocking the
middle bezel.
(No.1~13 screw size=M3x4, Torque=3~4kgfxcm;
No.14~18 screw size=M2x3.3, Torque=1±0.2kgfxcm)
S8Use a Philips-head screwdriver to remove 2pcs screws for unlocking the
bracket with the panel module.
(No.1~2 screw size=M3x3, Torque=3~4kgfxcm )
S9Take away the middle bezel, and put it on a fixture.
U se a Philips-head screwdriver to remove 3pcs tear off the tapes for
releasing the key cables.
screws for unlocking the function key board, and then
(No.1~3 screw size=M2x2.4, Torque=0.8±0.2kgfxcm
S10Tear off the tape, then lift up the panel module with the bracket chassis
for releasing the front bezel away from the panel module.
S11Unplug the LVDS cable from the connector of the panel module by pushing
the earing locks.
S12Take away
the bracket chassis module and then put the bracket chassis module on a
protective cushion.
S13Remove the Mylar from the hooks of the bracket chassis module.
S14Use a Philips-head screwdriver to remove 5pcs screws for unlocking the
circuit board, release all the cables from the hooks.
(No.1 screw size=M4x8, Torque=6±0.5kgfxcm;
No. 2~5 screw size=M3x7.5, Torque=6±0.5kgfxcm)
S15Remove the interface board and power board from the bracket chassis
module carefully, and disconnect all the cables.
S16Remove electrolyte capacitors (red mark) from printed circuit
boards.
S16-1 Cut the glue between bulk cap. and PCB with a knife.
S16-2 Ensure cutting path within the glue,
don’t touch bulk cap. or PCB.
S16-3 Cut into the bottom of the bulk cap. and pull it
up carefully.
S16-4 Take out
the bulk cap. pin solder with soldering iron and absorber.
S16-5 Lift the bulk cap. up and away from the
PCB.
Product material information
The following substances, preparations, or components should be disposed of or
recovered separately from other WEEE in compliance with Article 4 of EU
Council Directive 75/442/EEC.
| Capacitors / condensers (containing PCB/PCT) | No used |
|---|---|
| Mercury-containing components | No used |
| Batteries | No used |
| Printed circuit boards (with a surface greater than 10 square cm) | The product |
has printed circuit boards (with a surface greater than 10 square cm)
The component contains toner, ink, and liquids| No used
Plastic containing BFR| No used
Component and waste contain asbestos| No used
CRT| No used
Component contain CFC, HCFC, HFC and HC| No used
Gas discharge lamps| No used
LCD display > 100 cm2| The product has an LCD greater than 100 cm2
External electric cable| The product has external cables
The component contains refractory ceramic fibers| No used
The component contains radioactive substances| No used
Electrolyte capacitors (height > 25mm, diameter > 25mm)| Product has
electrolyte capacitors (height > 25mm, diameter > 25mm)
Tools Required
List the type and size of the tools that would typically can be used to
disassemble the product to a point where components and materials requiring
selective treatment can be removed.
Tool Description:
– Screwdriver (Phillip’s head) #1
– Screwdriver (Phillip’s head) #2
– Penknife
– Soldering iron and absorber
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