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Dell S2721H Disassembly Manual
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Dell S2721H Disassembly Manual

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1
DELL S2721H
1. Disassembly Procedures:
S1
Open the Pizza carton with a proper tool.
Take out all of the
cable, power cable, CD&user's manual, stand base,
S2
stand riser and EEI label from the carton. (Note: It
depends on whether users returning the accessories)
HDMI cable
user's manual
VESA cover
Take out of the
molded pulp with base, riser and
S3
cover
from the carton, then take out the monitor from
the EPE bag and put it on a protective cushion.
accessories including
QSG,
QSG
power cable
base
riser
Use a Philips-head screwdriver to remove 6pcs
screws for unlocking mechanisms.
S4
(No.1~4 screw size=M4x11; Torque=7 8kgfxcm;
No.5~6 screw size=M4x8; Torque=7 8kgfxcm)
HDMI
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
S5
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.
2
Tear off 2pcs acetate tapes and then disconnect the
speaker cable away from the connector. Use a
S6
Philips-head screwdriver to remove 6pcs screws for
unlocking the speakers with middle bezel.
(No.1~6 screw size=M3x8, Torque=5~6kgfxcm)
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Summary of Contents for Dell S2721H

  • Page 1 DELL S2721H 1. Disassembly Procedures: Use a Philips-head screwdriver to remove 6pcs screws for unlocking mechanisms. Open the Pizza carton with a proper tool. (No.1~4 screw size=M4x11; Torque=7 8kgfxcm; No.5~6 screw size=M4x8; Torque=7 8kgfxcm) Take out all of the accessories including...
  • Page 2 DELL S2721H Use a Philips-head screwdriver to remove 13pcs screws for unlocking the middle bezel with the assembled unit. (No.1~13 screw size=M3x4, Torque=3~4kgfxcm) Tear off 1pcs aluminum foil (refer to S7) and then remove the two speakers. Use a Philips-head screwdriver to remove 5pcs screws for unlocking the middle bezel with front bezel.
  • Page 3 DELL S2721H Use a Philips-head screwdriver to remove six screws for unlocking the circuit board, release all the cables from the hooks. (No.1~5 screw size=M3x7.5, Torque=6±0.5kgfxcm; No. 6 screw size=M4x8, Torque=6±0.5kgfxcm) Unplug the LVDS cable from the connector of the panel module by pushing the earing-locks.
  • Page 4 DELL S2721H S18-4 Take out bulk cap. pin solder with soldering iron and Remove electrolyte capacitors (red mark) from absorber. printed circuit boards. S18-1 Cut the glue between bulk cap. and PCB with a knife. S19-5 Lift the bulk cap. up and away from the PCB.
  • Page 5 DELL S2721H 2. 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 No used PCB/PCT) Mercury containing components...