Dell UP2720QB, Simplified Service Manual

Page 1: ...Simplified Service Manual UP2720QB Version 01 Date 2021 03 04 ...

Page 2: ...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 14 5 Trouble shooting instructions 19 ...

Page 3: ...r 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: ...ponents 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 touching...

Page 5: ...s 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 explos...

Page 6: ...TRL BD 1 14 PCBA USB BD 1 4 BTN PWR 1 15 ASSY CLMN 1 5 Panel 1 16 ASSY BASE 1 6 PCBA SPS BD 1 17 Power Cable 1 7 PCBA I F BD 1 18 HDMI Cable 1 8 PCBA MCU BD 1 19 DP Cable 1 9 PCBA LED DRV BD 1 20 Thunderbolt 3 USB Type C Active Cable 1 10 PCBA TBT BD 1 21 USB Type C to Type A Cable 1 11 ASSY SHD MAIN 1 1 2 3 4 6 5 15 16 14 11 8 7 10 12 9 13 17 21 20 19 18 ...

Page 7: ... 7 3 Wiring connectivity diagram Wire 1 FFC 2 FFC 4 Wire 8 Wire 7 FFC 3 Wire 5 Wire 4 FFC 1 Wire 3 Wire 6 Wire 9 Wire 2 ...

Page 8: ...ayout 4 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 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 and away from the monitor 2 1 Unlock 2 screws on the bottom side of Rear Cover 2 Unlock 4 s...

Page 9: ...e Rear Cover from middle frame Notice the disassembly order 1 Disassemble the top side 2 Disassemble the Left Right side 3 Disassemble the bottom side 4 Unplug USB BD wire from TBT BD to take off Rear Cover Scraper Bar ...

Page 10: ...ug backlight wires from LED Driver BD 3 Unplug Power BD to TBT BD Wire from Power BD and TBT BD 4 Unplug Calibrator to MCU BD Wire from MCU BD 5 1 Remove black tapes and unplug the wires of CALIBRATOR Module from I F BD 2 Unplug Control BD Wire from I F BD ...

Page 11: ...anel 2 Remove the tape from FFC EDP cable on panel 3 Unplug FFC EDP cable from panel Philips head screwdriver Torsion of screw 4 5 0 5 7 1 Take off SPS BD Mylar from SPS BD 8 1 Unlock 12 PCBA screws Philips head screwdriver Torsion of PCBA screw 8 5 0 5Kg ...

Page 12: ...ver BD from Main SHD 4 Unplug wire from LED Driver BD to take off LED Driver BD 5 Disassemble MCU BD from Main SHD 6 Unplug wires from MCU BD to take off MCU BD 10 1 Disassemble I F BD from Main SHD 2 Unplug SPS BD wire from I F BD to take off I F BD 3 Tear off tapes on I F BD and unplug all wires from I F BD ...

Page 13: ... 13 11 1 Disassemble SPS BD from Main SHD and unplug AC wire from SPS BD 2 Unplug SPS BD wire from SPS BD ...

Page 14: ...d screwdriver 3 Glove 4 Cleaning cloth 5 ESD protection Item Picture Operation Tools Notes 1 1 Assemble SPS BD wire to SPS BD 2 Insert AC wire to SPS BD and assemble SPS BD to Main SHD 2 1 Insert FFC EDP cable to I F BD and paste 1 tape to fix it 2 Insert Wire EDP to I F BD and paste 1 tape to fix it 3 Insert I F BD to TBT BD FFC Cable LED Driver BD Wire and I F BD to MCU BD wire to I F BD ...

Page 15: ...BD wire to MCU BD 2 Assemble MCU BD to Main SHD 3 Insert LED Driver BD Wire to LED Driver BD 4 Assemble LED Driver BD on Main SHD 5 Insert Wire EDP I F BD to TBT BD FFC Cable and MCU BD to TBT BD Wire to TBT BD 6 Assemble TBT BD on Main SHD 7 Lock 12 PCBA screws Philips head screwdriver Torsion of PCBA screw 8 5 0 5Kg ...

Page 16: ... 2 Insert FFC EDP cable to panel and paste 1 tape to fix it 3 Lock 5 screws to fix Main SHD on panel Philips head screwdriver Torsion of screw 4 5 0 5kg 6 1 Insert Control BD Wire to I F BD 2 Insert the wires of Calibrator Module 3 Arrange the wires of CALIBRATOR Module and adhere a tape to fix the wires ...

Page 17: ...ght Wire to LED Driver BD 2 Insert Power BD to TBT BD Wire to Power BD and TBT BD 3 Insert Calibrator to MCU BD Wire to MCU BD and adhere tapes and mylar to fix it See Orange mark 4 Adhere foils to Main SHD See Purple mark ...

Page 18: ...monitor stand 1 Follow the instructions on the flaps of carton to remove the stand from the top cushion that secures it 2 Insert the stand base blocks fully into the stand slot 3 Lift the screw handle and turn the screw clockwise 4 After tightening the screw fold the screw handle flat within the recess 10 Attach the stand assembly to the monitor a Fit the two tabs on the upper part of the stand to...

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