Dell AW3420DWB Simplified Service Manual
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Dell AW3420DWB Simplified Service Manual

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Simplified Service Manual–AW3420DWB
Version: 01
Date:2021/03/04
- 1 -

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Summary of Contents for Dell AW3420DWB

  • Page 1 Simplified Service Manual–AW3420DWB Version: 01 Date:2021/03/04 - 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 - 6 -...
  • Page 7 Item Description Q'ty ASSY MF BTN PWR PCBA CTRL+LENS BD MYLAR PWR CTRL-BD PCBA SENSOR BD Panel MYLAR 213*111*T0.43 MYLAR 130*132 BL BD PCBA SPS BD PCBA I/F BD PCBA SPS+LED BD ASSY MAIN SHD PCBA DOCKING BD PCBA LED DRV BD PCBA JACK BD PCBA USB BD PCBA CTRL+KEY BD...

  • Page 8: Wiring Connectivity Diagram

    3. Wiring connectivity diagram Wire 1 Wire 2 Wire 3 Wire 4 Wire 6 Wire 5 FFC 1 FFC 2 FFC 3 Wire 7 Wire 8 Wire 9 Wire 11 FFC 4 Wire 10 FFC 5 - 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 1. Unlock 4 screws on Philips-head rear cover screwdriver 2. Use hands or (Screw scraper bar to Torque: disassemble Rear 10.5±1Kgf) Cover from the monitor. Scraper bar Notice the disassembly order: Bottom Side=> Right Side=>Top Side=>Left Side=>Remove Rear Cover from panel 3.
  • Page 11 1. Remove 1 tape from Backlight Wire 2. Remove 2 backlight wires from Power 1. Remove 4 tapes from Sensor BD cable and USB FFC cable 2. Remove USB FFC cable from I/F BD 3. Remove Sensor BD FFC cable from I/F 4.
  • Page 12 1. Remove 1 conduct Philips-head tape from main screwdriver shielding (Screw Torque: 10±0.5kgf) 2. Unlock 1 screw to disassemble Docking BD from main shielding 3. Disassemble wire from Docking BD 1. Remove 1 yellow Philips-head Do not tape from Wire EDP screwdriver touch the component...

  • 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. Assemble I/F BD, SPS BD Philips- and SPS+LED BD to main head shielding screwdr iver (Screw Torque: 10±0.5k 2. Lock PCBA with 11 screws 3. Assemble Wire EDP to I/F BD and fix it by tape 4. Paste 1 yellow tape on the connector of Wire EDP to fix it on I/F BD 5.
  • Page 15 1. Insert Wire EDP to panel Philips- Please align and paste 1 yellow tape to head the connector fix Wire EDP screwdr of Wire EDP to iver paste yellow (Screw tape. Torque: 7±1kgf) Make sure all pins of Wire EDP are covered by yellow tape.
  • Page 16 1. Insert 2 Backlight wires to Power BD 2. Paste 3 tapes to middle frame 3. Paste 1 tape to fix Backlight wire 4. Insert CTRL FFC cable to I/F BD and paste it to main shielding 5. Insert LED Driver BD wire to I/F BD 6.
  • Page 17 1. Assemble Cable Cover with Rear Cover 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 1.

  • Page 18: Trouble Shooting Instructions

    5. Trouble shooting instructions - 18 -...
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