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DELL S2721DSB 1. Disassembly Procedures Tear off all adhesive tapes from backlight wire and SPK wire Turn off the monitor. Place the monitor on a soft cloth or cushion. Press and hold the stand release button at the back of the display.
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DELL S2721DSB Unlock 11 MF screws Tear off AL Tape Pull out CTRL FFC from I/F BD Pull out backlight wire from SPS BD and Panel (Screw Torque: 4~5kgf) Unlock 4 Main SHD screws (Screw Torque: 6~7kgf) Unlock 6 “ASSY DECO” screws...
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DELL S2721DSB Disassemble Safety Mylar from SPS Unlock 2 screws on CTRL BD (Screw Torque: 1.5~2.5kgf) Tear off CTRL BD FFC from Middle Disassemble the little Mylar from Main Frame Disassemble CTRL BD FFC from CTRL Unlock 8 PCBA screws Disassemble I/F BD &...
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DELL S2721DSB Remove electrolyte capacitors (red mark) from printed circuit boards S20-1 Cut the glue between bulk cap. and PCB with a knife...
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DELL S2721DSB S20-2 Ensure cutting path within the glue, don’t touch bulk cap. or PCB S20-3 Take out bulk cap. pin solder with soldering iron and absorber S20-4 Lift the bulk cap. up and away from the PCB...
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DELL S2721DSB 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...