Dell S2721HSX Monitor Teardown Instructions

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)S5 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 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.

S6Tear 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 informationThe 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.

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 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