Dell U3421WEB Service Manual Download Page 10 | Manualshive

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Connecting/ disconnecting the USB Type-C cable and Power cable

Connecting/ disconnecting the SuperSpeed USB 5 Gbps (USB 3.2 Gen1) cable and Power cable

Connecting/ disconnecting the RJ45 Cable (Optional) and Power cable

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Summary of Contents for U3421WEB

Page 1: ... 1 Service Manual U3421WEB Version 01 Date 2021 10 08 ...

Page 2: ...TY 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 Disassembly and Assembly Procedures 11 5 1 Disassembly SOP 11 5 2 Assembly SOP 14 6 Trouble shooting instructions 18 ...

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 4 PCBA SPS BD 1 5 PCBA I F BD 1 6 ASSY BKT MAIN 1 7 PCBA CTRL BD 1 8 SPK 2 1 9 ASSY RC 1 10 ASSY CLMN 1 11 ASSY BASE 1 12 PCBA USB BD 1 13 BOSS PANEL 8 14 Power cable 1 See NOTE 15 DisplayPort cable 1 See NOTE 16 HDMI cable 1 See NOTE 17 USB Type C cable 1 See NOTE 18 SuperSpeed USB 5 Gbps USB 3 2 Gen1 Upstream Cable 1 See NOTE 14 15 17 16 18 ...

Page 7: ...ps 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 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 8: ... 8 3 Wiring connectivity diagram Wire1 FFC 1 FFC 2 Wire2 Wire3 ...

Page 9: ...tivity cable WARNING To change power cable connectivity cable switch off power before unplugging the cable and replugging in required cable Connect disconnecting the DisplayPort cable and Power cable Connecting disconnecting the HDMI cable and Power cable ...

Page 10: ...necting disconnecting the USB Type C cable and Power cable Connecting disconnecting the SuperSpeed USB 5 Gbps USB 3 2 Gen1 cable and Power cable Connecting disconnecting the RJ45 Cable Optional and Power cable ...

Page 11: ...on 6 U3417W Curve Sponge Jig Item Picture Operation Tool Notes 1 To remove the stand 1 Place U3421WE monitor on U3417W curve sponge jig 2 Press and hold the stand release button 3 Lift the stand up and away from the monitor U3417W curve sponge jig Panel and whole monitor head must be put on U3417W curve sponge jig to avoid panel damage It is not allowed to place the front side of panel and monitor...

Page 12: ...iver BD and tear off a tape from Panel See Red mark 2 Unplug Speaker Wire from I F BD See Pink remark Philips head screwdriver Torsion of screw 5 6Kg 5 1 Tear off a conduct tape from Main SHD and Panel 2 Tear off an acetate tape from USB BD Wire and Panel 3 Unplug USB BD FFC and USB BD Wire from I F BD ...

Page 13: ...SHD from Panel Philips head screwdriver Torsion of Main SHD screw 4 0 5Kg 7 1 Disassemble Mylar from Main SHD 2 Unlock 10 PCBA screws to disassemble I F BD SPS BD and LED Driver BD from Main SHD 3 Unplug wires from I F BD SPS BD and LED Driver BD Philips head screwdriver Torsion of PCB screw 9 1Kg Do not touch the component without wearing insulating gloves when disassembling and assembling Power ...

Page 14: ...eration Tools Notes 1 1 Insert SPS BD wire into SPS BD 2 Assemble SPS BD to Main SHD 3 Insert LED Driver BD wire into LED Driver BD 4 Assemble LED Driver BD into Main SHD 5 Insert FFC EDP into I F BD 6 Insert SPS BD wire into I F BD 7 Assemble I F BD to Main SHD 8 Lock 10 PCBA screws 9 Assemble Mylar on Main SHD to cover power board Philips head screwdriver Torsion of PCB screw 9 1Kg Do not touch ...

Page 15: ...o fix it on panel 1 U3417W curve sponge jig 2 Philips head screwdriver Torsion of Main SHD screw 4 0 5Kg Panel and whole monitor head must be put on U3417W curve sponge jig to avoid panel damage It is not allowed to place the front side of panel and monitor head on a flat surface 3 1 Insert USB BD FFC and USB BD Wire into I F BD 2 Paste an acetate tape to fix USB BD Wire on Panel 3 Paste a conduct...

Page 16: ...er Wire into I F BD See Pink mark 2 Insert Backlight Wire into LED Driver BD and fix it on Panel by tape 1 See Red mark 5 1 Insert CTRL FFC into I F BD 6 1 Assemble Rear Cover with Middle Frame 2 Fix Rear Cover by screw 4 ...

Page 17: ...nd turn the screw clockwise 3 After fully tightening the screw fold the screw handle flat within the recess 8 Attach the stand assembly to the monitor a Fit the two tabs on the upper part of the stand to the groove on the back of the monitor b Press the stand down till it snaps into place ...

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