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Service Manual–U2520DB/ U2520DRB

Version: 02

Date:2021/10/08

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Summary of Contents for U2520DB

Page 1: ... 1 Service Manual U2520DB U2520DRB Version 02 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 15 6 Trouble shooting instructions 19 ...

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: ... 6 2 Exploded view diagram with list of items 1 2 9 8 7 6 5 4 3 10 11 12 13 14 15 16 21 20 19 18 17 11 22 23 24 25 26 27 30 29 28 ...

Page 7: ...N 1 21 PCBA USB BD 1 22 ASSY RC 1 23 SCRW M FPH M4 10L ZN NYL 1 24 ASSY CLMN 1 25 ASSY BASE 1 26 Power cable 1 See NOTE 27 DisplayPort cable for U2520D 1 See NOTE 28 HDMI cable for U2520DR 1 See NOTE 29 USB Type C cable 1 See NOTE 30 USB Type C to Type A cable 1 See NOTE NOTE For replacement of power cord connectivity cable and external power supply if applicable contact Dell 1 Go to https www del...

Page 8: ... 8 3 Wiring connectivity diagram FFC 2 Wire 2 Wire 1 FFC 1 Wire 3 FFC 3 Wire 6 Wire 4 Wire 5 ...

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: ... 10 Connecting disconnecting the USB Type C cable and Power cable ...

Page 11: ...pare the area for material flow according to the actual condition plan the disassemble layout 4 Prepare the implement equipment material as bellow 1 Working table 2 Philips head screwdriver 3 Glove 4 Cleaning cloth 5 ESD protection 6 Item Picture Operation Tool Notes 1 To remove the stand 1 Place the monitor on a soft cloth or cushion 2 Press and hold the stand release button 3 Lift the stand up a...

Page 12: ...emble the Left Right side 3 Disassemble the bottom side 4 Disassemble Rear Cover from middle frame 3 1 Remove the tape which fixed USB FFC cable and USB wire on panel 2 Remove USB FFC cable and USB wire from I F BD ...

Page 13: ... BD 2 Remove Control BD wire from I F BD 5 1 Remove 4 black tapes from Panel 2 Remove long and short backlight wire from LED Driver BD 6 1 Unlock screws on Middle Frame a FHP screws 2 See Green mark Philips head screwdriver Torsion of FPH screw 3 5 4 0kg ...

Page 14: ...Main SHD from Panel 8 1 Take off Mylar from SPS BD 2 Unlock 9 PCBA screws 3 Disassemble LED Driver BD I F BD and SPS BD from Main SHD 4 Remove all cables and tapes from LED Driver BD I F BD and SPS BD Philips head screwdriver Torsion of PCBA screw 8 5 0 5Kg Torsion of Grounding screw 6 5 0 5Kg ...

Page 15: ... SPS BD wire to SPS BD 2 Insert AC wire to SPS BD 3 Assemble SPS BD to Main SHD 4 Insert LVDS cable to I F BD and paste 1 yellow tape to fix it 5 Insert LED Driver BD wire to I F BD 6 Insert SPS BD wire to I F BD 7 Assemble I F BD to Main SHD 8 Insert LED Driver BD wire to LED Driver BD 9 Assemble LED Driver BD to Main SHD 10 Lock 9 PCBA screws to fix PCBA on Main SHD 11 Assemble Mylar on SPS BD P...

Page 16: ...o fix it 2 Place Main SHD on Panel and fix it with Middle Frame by 2 FPH screws See Green mark Philips head screwdriver Torsion of FPH screw 3 5 4 0kg 3 1 Insert long and short backlight wire to LED Driver BD 2 Paste 4 black tapes to fix backlight wire on Panel ...

Page 17: ... Insert Control BD wire to I F BD 4 Insert Sensor BD wire to I F BD 4 1 Insert USB FFC cable and USB wire to I F BD 2 Paste 1 tape to fix USB FFC cable and USB wire on panel 3 Assemble Rear Cover with panel ...

Page 18: ...ks fully into the stand slot b Lift the screw handle and turn the screw clockwise c After fully tightening the screw fold the screw handle flat within the recess 7 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 ...

Page 19: ... 19 6 Trouble shooting instructions ...

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