Dell U4919DWB Simplified Service Manual
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Dell U4919DWB Simplified Service Manual

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Simplified Service Manual–U4919DWB
Version: 01
Date:2021/02/04
- 1 -

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Summary of Contents for Dell U4919DWB

  • Page 1 Simplified Service Manual–U4919DWB Version: 01 Date:2021/02/04 - 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 ..................7 4. Disassembly and Assembly Procedures ..............8 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 Item Description Q'ty Panel PCBA CTRL BD BTN PWR MID-FRAME PCBA SPS BD PCBA I/F BD PCBA LED DRV BD ASSY SHD MAIN ASSY RC PCBA USB BD ASSY CLMN ASSY BASE ASSY CVR VESA Screw x 4 for assembling stand to monitor head Power Cable...

  • Page 7: Wiring Connectivity Diagram

    3. Wiring connectivity diagram Wire 3 Wire5 Wire 6 FFC 1 Wire 1 Wire 2 Wire 3 FFC 2 - 7 -...

  • Page 8: 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 9 1. Unlock 4 screws on Philips-head screwdriver Rear Cover (Screw Torque: 11±1kgf) 2. Disassemble Rear Cover from Middle Frame (Sequence: 2 corner of top side the middle of top side left & right sides the 2 corner of bottom side the middle of bottom side) 1.
  • Page 10 1. Tear off Al tape Philips-head from Main Shielding screwdriver (See blue mark) Torsion of BKT screw: 2. Pull out Control BD 4.5±0.5KG cable from I/F BD 1. Pull out lamp wire from PCBA 1. Unlock 7 screws on Philips-head Main Shielding screwdriver Torsion of...
  • Page 11 Take off safety Philips-head Mylar from Power screwdriver Torsion of PCB &ground screw: 8.5~9.5kgf 2. Unlock 10 PCBA screws & 1 ground screw 3. Disassemble PCBA from Main Shielding and pull off all wires from PCBA - 11 -...

  • Page 12: 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 6) U4919DW Curve Sponge Jig Item Picture...
  • Page 13 1. Lock 10 PCBA screws Philips-head and 1 ground screw screwdriver Torsion of PCB & Ground Screw: 8.5~9.5kg.f 2. Assemble safety Mylar on Power BD 1. Plug EDP wire into panel and paste 1 yellow tape and 1 adhesive tape. 1.
  • Page 14 1. Insert USB-side-BD Philips-head FFC cable to I/F BD screwdriver and assemble Rear Cover with Middle Torsion of Frame RC screw: 11±1Kg 2. Press the Rear Cover (Sequence: the middle of bottom sidethe 2 corner of bottom sideleft & right sidesthe middle of top side2 corner of top side)
  • Page 15 Attach the stand assembly NOTE: When to the monitor attaching the stand 1. Fit the two tabs on the assembly, tilt upper part of the stand the stand to the groove on the base back of the monitor upwards and make sure 2.

  • Page 16: Trouble Shooting Instructions

    5. Trouble shooting instructions - 16 -...
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