Dell S2721QB Simplified Service Manual
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Dell S2721QB Simplified Service Manual

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Simplified Service Manual–S2721QB/S2721QSB
Version: 01
Date:2021/03/08
- 1 -

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Summary of Contents for Dell S2721QB

  • Page 1 Simplified Service Manual–S2721QB/S2721QSB Version: 01 Date:2021/03/08 - 1 -...

  • Page 2: Table Of Contents

    Content Index 1. General Safety Instructions ..................3 1.1 SAFETY: General Safety ..................3 1.2 SAFETY: General Power Safety ................5 2. Exploded view diagram with list of items ..............6 3. Wiring connectivity diagram ..................8 4. Disassembly and Assembly Procedures ..............9 4.1 Disassembly SOP ....................

  • Page 3: General Safety Instructions

    IMPORTANT NOTICE FOR USE IN HEALTHCARE ENVIRONMENTS: Dell products are not medical devices and are not listed under UL or IEC 60601 (or equivalent). As a result, they must not be used within 6 feet of a patient or in a manner that directly or indirectly contacts a patient 1.1 SAFETY: General Safety...
  • Page 4 When operating your equipment:  Do not use your equipment in a wet environment, for example, near a bath tub, sink, or swimming pool or in a wet basement.  Do not use AC powered equipment during an electrical storm. Battery powered devices may be used if all cables have been disconnected.

  • Page 5: Safety: General Power Safety

     socket. If your equipment uses an AC adapter: Use only the Dell provided AC adapter approved for use with this device. Use of another AC  adapter may cause a fire or explosion. NOTE: Refer to your system rating label for information on the proper adapter model ...

  • Page 6: Exploded View Diagram With List Of Items

    2. Exploded view diagram with list of items S2721Q: Item Description Q'ty ASSY DECO BTN OSD PCBA CTRL BD Panel PCBA SPS BD PCBA IF BD ASSY SHD SPK*2 ASSY RC ASSY STAND COLUMN ASSY STAND BASE ASSY COVER VESA Power cable HDMI cable - 6 -...
  • Page 7 S2721QS: Item Description Q'ty ASSY DECO BTN OSD PCBA CTRL BD Panel PCBA SPS BD PCBA I/F BD ASSY SHD SPK*2 ASSY RC ASSY STAND COLUMNB ASSY STAND BASE Power cable HDMI cable - 7 -...

  • Page 8: Wiring Connectivity Diagram

    3. Wiring connectivity diagram Wire 1 FFC 1 FFC 1 - 8 -...

  • Page 9: Disassembly And Assembly Procedures

    4. Disassembly and Assembly Procedures 4.1 Disassembly SOP Preparation before disassemble 1. Clean the room for disassemble 2. Identify the area for monitor 3. Check the position that the monitors be placed and the quantity of the monitor; prepare the area for material flow;...
  • Page 10 S2720QS: 1. Place the monitor on a soft cloth or cushion 2. Press and hold the stand release button at the back of the display 3. Lift the stand assembly up and away from the monitor S2721Q: Philips- 1. Unlock 2 Stand screws head screwdriver 2.
  • Page 11 1. Tear off the tape from SPK wire 2. Pull out SPK wire from I/F BD 1. Pull out CTRL FFC Philips- from I/F BD head screwdriver Torsion of location screw: 6~7kgf 2. Pull out backlight wire from SPS BD 3.
  • Page 12 1. Disassemble Safety Philips- Mylar from SPS BD head screwdriver Torsion of PCB screw: 6~7kgf 2. Unlock 8 PCBA screws 3. Disassemble I/F BD & SPS BD from Main 4. Pull out FFC eDP from the I/F BD - 12 -...

  • Page 13: Assembly Sop

    4.2 Assembly SOP Preparation before assemble 1. Clean the room for work 2. Identify the area for material 3. Prepare the implement, equipment, material as bellow: 1) Working table 2) Philips-head screwdriver 3) Glove 4) Cleaning cloth 5) ESD protection Item Picture Operation...
  • Page 14 1. Insert FFC eDP into Panel Philips-head and stick a yellow tape to fix it screwdriver Torsion of location screw: 6~7kgf 2. Place Main SHD on panel and lock 1 location screw 1. Insert backlight wire into SPS Philips-head screwdriver 2.
  • Page 15 1. Assemble Rear Cover with Mid-Frame 2. Follow the sequence to press on Rear Cover to make it be assembled with Mid-Frame tightly For S2721QS: Philips-head 1. Lock 4 screws on Rear Cover screwdriver Torsion of RC screw: 8.5±1.0kgf For S2721Q: Philips-head 1.
  • Page 16 S2721Q: S2721Q: To attach the monitor stand: 1. Align and place the stand riser on the stand base 2. Open the screw handle at the bottom of the stand base and turn it clockwise to secure the stand assembly 3. Close the screw handle 4.
  • Page 17 S2721QS: S2721QS: To assemble Stand with Monitor 1. Align and place the stand riser on the stand base 2. Open the screw handle at the bottom of the stand base and turn it clockwise to secure the stand assembly 3. Close the screw handle. 4.

  • Page 18: Trouble Shooting Instructions

    5. Trouble shooting instructions - 18 -...
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