Dell U4919DWb, Simplified Service Manual

Page 1: ... 1 Simplified Service Manual U4919DWB Version 01 Date 2021 02 04 ...

Page 2: ...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 8 4 2 Assembly SOP 12 5 Trouble shooting instructions 16 ...

Page 3: ...or place equipment so close together that it is subject to recalculated or preheated air NOTE Review the weight limits referenced in your computer documentation before placing a monitor or other devices on top of your computer Ensure that nothing rests on your equipment s cables and that the cables are not located where they can be stepped on or tripped over Ensure that all cables are connected to...

Page 4: ...omponents inside your equipment Under certain conditions ESD may build up on your body or an object such as a peripheral and then discharge into another object such as your computer To prevent ESD damage you should discharge static electricity from your body before you interact with any of your equipment s internal electronic components such as a memory module You can protect against ESD by touchi...

Page 5: ...as risk of electric shock and or fire Ensure that the ground prong of the power plug is inserted into the mating ground contact of the power strip 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 explo...

Page 6: ...BD 1 6 PCBA I F BD 1 7 PCBA LED DRV BD 1 8 ASSY SHD MAIN 1 9 ASSY RC 1 10 PCBA USB BD 1 11 ASSY CLMN 1 12 ASSY BASE 1 13 ASSY CVR VESA 1 14 Screw x 4 for assembling stand to monitor head 1 15 Power Cable 1 16 HDMI Cable 1 17 DP Cable 1 18 USB 3 0 Upstream Cable 1 19 USB Type C Cable 1 1 2 3 4 5 6 7 8 10 9 11 13 12 14 15 16 19 18 17 ...

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

Page 8: ...love 4 Cleaning cloth 5 ESD protection 6 U4919DW Curve Sponge Jig 7 Bar scraper Item Picture Operation Tool Notes 1 To remove the stand 1 Place monitor on U4919DW curve sponge jig 2 Press and lift the cover latch to release and remove the cover 3 Use a Phillips crosshead screwdriver to remove the four screws securing the stand 4 Lift the stand up and away from the monitor 1 U4919DW Curve Sponge Ji...

Page 9: ...ver 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 Philips head screwdriver Screw Torque 11 1kgf 3 1 Remove USB SIDE BD FFC cable from I F BD to take off Rear Cover ...

Page 10: ...l BD cable from I F BD Philips head screwdriver Torsion of BKT screw 4 5 0 5KG 5 1 Pull out lamp wire from PCBA 6 1 Unlock 7 screws on Main Shielding 2 Disassemble EDP cable from panel to take off Main Shielding Philips head screwdriver Torsion of Main Shielding screw 4 5 0 5KG ...

Page 11: ...Take off safety Mylar from Power BD 2 Unlock 10 PCBA screws 1 ground screw 3 Disassemble PCBA from Main Shielding and pull off all wires from PCBA Philips head screwdriver Torsion of PCB ground screw 8 5 9 5kgf ...

Page 12: ...oth 5 ESD protection 6 U4919DW Curve Sponge Jig Item Picture Operation Tools Notes 1 1 Assemble AC wire and Power BD to main shielding 2 Plug EDP wire into I FBD Paste yellow tape and adhesive tape 3 Plug Driver Board wire and Power BD wire into I F BD and assemble I FBD into Main Shielding 4 Plug Driver BD wire into I F BD and assemble I FBD into Main Shielding Paste 1 adhesive tape to fix EDP wi...

Page 13: ...ad screwdriver Torsion of PCB Ground Screw 8 5 9 5kg f 3 1 Plug EDP wire into panel and paste 1 yellow tape and 1 adhesive tape 4 1 Locate Main Shielding on panel and lock 7 screws 2 Paste Al tape on Main Shielding See blue mark Philips head screwdriver Torsion of Main Shielding screw 4 5 0 5KG ...

Page 14: ...m side left right sides the middle of top side 2 corner of top side 3 Lock 4 screws on Rear Cover Philips head screwdriver Torsion of RC screw 11 1Kg 6 To attach the monitor stand 1 Insert the stand base blocks fully into the stand slot 2 Lift the screw handle and turn the screw clockwise 3 After fully tightening the screw fold the screw handle flat within the recess ...

Page 15: ...embly to the monitor NOTE When attaching the stand assembly tilt the stand base upwards and make sure that the stand base does not hit the surface 8 Attach the VESA cover to the monitor 1 Insert the cover with the lower part downward Do NOT attach the latch at this point 2 Tilt to fit the three tabs on the upper part of the cover to the groove of the back of the monitor 3 Press the cover down till...

Page 16: ... 16 5 Trouble shooting instructions ...

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