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Dell P2421DC Service Manual
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Dell P2421DC Service Manual

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Service Manual–P2421DC
Version: 02
Date:2021/10/11
1

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Summary of Contents for Dell P2421DC

  • Page 1 Service Manual–P2421DC Version: 02 Date:2021/10/11...

  • 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. How to connect and disconnect power cable/ connectivity cable......9 5.

  • 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 if all cables have been disconnected. Do not spill food or liquids on your equipment.  Before you clean your equipment, disconnect it from the electrical outlet. Clean your device with a  soft cloth dampened with water. Do not use liquids or aerosol cleaners, which may contain flammable substances.

  • Page 5: Safety: General Power Safety

    Be sure to grasp the plug, not the cable, when disconnecting equipment from an electric 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.

  • Page 6: Exploded View Diagram With List Of Items

    2. Exploded view diagram with list of items ○ ○ ○...
  • Page 7 See “NOTE" NOTE: For replacement of power cord, connectivity cable and external power supply (if applicable), contact Dell: 1. Go to https://www.dell.com/support. 2. Verify your country or region in the Choose A Country/Region drop-down menu at the bottom-right corner of the page.
  • Page 8 3. Click Contact Us next to the country dropdown. 4. Select the appropriate service or support link based on your need. 5. Choose the method of contacting Dell that is convenient for you...

  • Page 9: Wiring Connectivity Diagram

    3. Wiring connectivity diagram...

  • Page 10: How To Connect And Disconnect Power Cable/ Connectivity Cable

    4. How to connect and disconnect power cable/ connectivity cable...
  • Page 13 5. Mechanical Instruction NOTE: This “Disassembly and Assembly Procedures” is for EMEA only, not for other regions. Please note that Dell will deem warranty void if any disassembly is done on the monitors. 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.
  • Page 14 5.1Disassembly Procedures Turn off power the middle bezel on the corners of the top side of the monitor to release the rear cover, then use Unplug external cables from product Scraper to separate the rear cover in the below 3direction of the arrow.
  • Page 15 Tear out all the cable to remove the rear cover and Disconnect all of the cables to separate the put it on a protective cushion. Use a Philips-head power board and main board. screwdriver to remove 10 screws for unlocking the middle plastic bezel with the whole unit, and then remove the middle plastic bezel carefully.
  • Page 16 Use a Philips-head screwdriver to remove 3 screws for unlocking the bezel and the middle frame. (No.1~3 screw size=M2X2.5, Torque: 6± 1kgf.cm) Use a Philips-head screwdriver to remove 3 screws for unlocking the key board and the middle frame. (No.1~3 screw size=M2X2.5, Torque: 6± 1kgf.cm) Use a Philips-head screwdriver to remove 1 screws to remove the USB board.
  • Page 17 5.2 Assembly Procedures Use a Philips-head screwdriver to lock 1 screw to assemble the USB board. Connect the cables of the USB board (No.1 screw size=M3x6, Torque=4± 1kgf.cm)
  • Page 18 Use a Philips-head screwdriver to lock 3 screws for locking the key board and the middle frame. (No.1~3 screw size=M2X2.5, Torque: 6± 1kgf.cm) Use a Philips-head screwdriver to lock 3 screws for locking the bezel and the middle frame. (No.1~3 screw size=M2X2.5, Torque: 6± 1kgf.cm) Connect all of the cables between the power board and main board.
  • Page 19 Connect all the cable on the rear cover and put it on a protective cushion. Use a Philips-head screwdriver to lock 10 screws for locking the middle plastic bezel with the whole unit,. (No.1~20 screw size=M3x4, Torque=3± 0.5kgfxcm) Assemble the rear cover. Use a Philips-head screwdriver to lock four screws on the rear cover Assemble the stand .

  • Page 20: Trouble Shooting Instructions

    6. Trouble shooting instructions...