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Dell UP3221Qb, Simplified Service Manual, Page: 20 / 20

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Dell UP3221Qb Simplified Service Manual Download Page 20

- 20 - 

 
 

11 

 

1.  Assemble Rear Cover to 

Middle Frame 
 

2.  Lock 4 RC screws and 2 RC 

base screws to fix Rear Cover 

 
 
 
 
 
 
 
 

 

 
 
 

Screw-
driver  
 
Torsion 
RC screw: 
9±1 kg 
 
Torsion 
RC base  
Screw: 
4.5±0.5kg 

 

12 

 

 

1.  Insert the stand base blocks 

fully into the stand slot 

 
2.  Lift the screw handle and turn 

the screw clockwise 

 
3.  After tightening the screw, fold 

the screw handle flat within 
the recess 
 

 

 

13 

 

 

 

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 

 

 

 

Summary of Contents for UP3221Qb

Page 1: ... 1 Simplified Service Manual UP3221QB Version 01 Date 2020 11 16 ...

Page 2: ... 2 Content Index 1 General Safety Instructions 3 1 1 SAFETY General Safety 3 1 2 SAFETY General Power Safety 5 2 Disassembly SOP 6 3 Assembly SOP 14 ...

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: ...ble layout 4 Prepare the implement equipment material as bellow 1 Working table 2 Screw driver 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 Press and lift the cover latch to release and remove the cover 2 1 Unlock 2 RC base screws and 4 RC screws to disass...

Page 7: ...ar and follow the sequency to disassemble Rear Cover from Middle Frame Scraper bar 4 1 Disassemble LENS BD from Middle Frame 2 Unplug CTRL BD FFC from LENS BD 3 Tear off MYLAR SHD VESA from Main SHD and unplug CTRL FFC from I F BD ...

Page 8: ... Tear off MYLAR SHD SOC from Main SHD and unplug USB FFC from SOC BD 5 Take off Rear Cover from Middle Frame 6 Tear off an acetate tape from Mylar SHD MCU and Middle Frame 7 Tear off all mylars from Main SHD ...

Page 9: ...HD to disassemble SPS BD wire from Middle Frame See Orange mark 3 Unplug SPS BD wire from SPS BD I F BD MCU BD and TBT BD See Red Mark 4 Unlock screw 10 to disassemble Main SHD from Panel See Blue mark 5 Unplug FAN wire from I F BD 6 Take off Main SHD from Panel Screw driver Torsion MF screw 4 0 4 5 kg ...

Page 10: ...RATOR FFC from SOC BD See Green mark 3 Unplug CALIBRATOR Color Wire from SOC BD See Blue mark 4 Unplug CALIBRATOR Black Wire from SOC BD See Red mark 5 Tear off the tapes from CALIBRATOR wires and Panel 6 Take out all CALIBRATOR wires from the hole of Main SHD ...

Page 11: ... 3 Unplug TBT BD Wire from TBT BD and SOC BD See Blue mark 4 Unplug SOC Backlight wire from SOC BD See Green mark 5 Tear off a yellow tape and unplug SOC wire from SOC BD See Purple mark 6 Unlock 2 PCBA screws to disassemble SOC BD from I F BD See Red mark 7 Disassemble Short Spacer from SOC BD See Pink mark Screw driver Torsion of PCBA screw 5 0 5 5 kg ...

Page 12: ...3 Unlock PCBA screw 5 to disassemble SPS BD from ASSY BKT PLATE Screw driver Torsion of PCBA screw 5 0 5 5 kg 9 1 Unplug MCU BD FFC from I F BD 2 Tear off a tape from EDP wire and TBT BD 3 Unplug TBT BD FFC and EDP wire from TBT BD Screw driver Torsion of PCBA screw 5 0 5 5 kg ...

Page 13: ...Spacer from I F BD See Blue mark 6 Unlock 2 Bolts See Orange mark and 2 PCBA screws See Red mark from I F BD to disassemble I F BD from ASSY BKT PLATE 7 Tear off a tape from EDP wire and I F BD See Yellow mark 8 Unplug TBT BD FFC and EDP wire from I F BD Screw driver Torsion of PCBA screw 5 0 5 5 kg Torsion of Bolt 5 0 5 5 kg Note Insert Thermal Sensor FFC and EDP FFC through the hole of ASSY BKT ...

Page 14: ...Adhere a tape to fix EDP wire on I F BD See Yellow mark 3 Assemble I F BD to ASSY BKT PLATE and lock 2 Bolts See Orange mark and 2 PCBA screws See Red mark to fix I F BD 4 Assemble Spacer on I F BD See Blue mark 5 Insert Thermal Sensor FFC and EDP FFC into I F BD See Pink mark then adhere a tape to fix EDP FFC See Green mark 6 Insert SOC wire and SOC Backlight wire into I F BD 7 Paste a yellow tap...

Page 15: ...ix EDP wire on TBT BD 3 Insert MCU BD FFC into I F BD Screw driver Torsion of PCBA screw 5 0 5 5 kg 3 1 Assemble SPS BD to ASSY BKT PLATE and fix it by PCBA screws 5 2 Assemble AC Wire to ASSY BKT PLATE 3 Lock 1 grounding screw Screw driver Torsion of PCBA screw 5 0 5 5 kg ...

Page 16: ... clips to address SPS BD to LED DRV BD Wire See Yellow mark Screw driver Torsion of PCBA screw 5 0 5 5 kg 5 1 Insert all CALIBRATOR wires through the hole of Main SHD 2 Adhere a conductive tape to fix CALIBRATOR Black Wire 3 Adhere a conductive tape to fix CALIBRATOR Color Wire 4 Adhere CALIBRATOR FFC on Panel and paste a conductive tape to fix it on Middle Frame 5 Adhere a long acetate tape to fi...

Page 17: ...d mark 7 Insert CALIBRATOR Color Wire into the 2 connectors on the right side of SOC BD See Blue mark 8 Insert CALIBRATOR FFC to SOC BD See Green mark 9 9 Adhere 2 yellow tapes to fix wires on SOC BD 7 1 Insert FAN wire into I F BD 2 Place Main SHD on Panel and fix it by screw 10 See Blue mark ...

Page 18: ... BD wire under Middle Frame and adhere 3 conductive tapes to fix it on Main SHD See Orange mark 3 Adhere an acetate tape to fix SPS BD wire on Main SHD See Green mark 9 1 Adhere mylars to Main SHD 2 Adhere an acetate tape on Mylar SHD MCU and Middle Frame to fix SPS BD wire See Yellow mark ...

Page 19: ...1 Insert CTRL FFC into I F BD See Blue mark 2 Insert USB FFC into SOC BD See Yellow mark 3 Adhere MYLAR SHD VESA and MYLAR SHD SOC on Main SHD 4 Insert CTRL BD FFC to LENS BD 5 Assemble LENS BD to Middle Frame ...

Page 20: ...g 12 1 Insert the stand base blocks fully into the stand slot 2 Lift the screw handle and turn the screw clockwise 3 After tightening the screw fold the screw handle flat within the recess 13 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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