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Dell AW3821DWB, Simplified Service Manual

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Dell AW3821DWB Simplified Service Manual Download Page 8

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8

 -

 

 

 

3

 

 

 

1. 

Disconnect Backlight 
Wires from 
SPS+LED BD

 

 

2. 

Tear off conductive 
cloth from Main SHD

 

 

 

 

 

4

 

 

 

 

 

 

 

 

1.  Disconnect Light 

Sensor BD FFC 
cable from I/F BD 
and tear off it from 
Main SHD 
 
 
 
 

 
2.  Disconnect Sensor 

BD FFC cable from 
I/F BD and tear off it 
from panel  
 
 
 
 

 
3.  Disconnect 

“CTRL+LENS BD 
FFC” from I/F BD and 
tear off it from panel 
and Main SHD 

 

 

 

5

 

   

 

 

 

1. 

Unlock 4 screws 
(Green mark) to 
disassemble Main 
SHD from panel

 

 
 
 
 

 

 

Screw-
driver  
 
(Screw 
Torque-
Main 
SHD: 
7±1kgf)  

 

 

Summary of Contents for AW3821DWB

Page 1: ... 1 Simplified Service Manual AW3821DWB Version 01 Date 2020 11 17 ...

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 11 ...

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: ...cloth 5 ESD protection 6 U3818DW Curve Sponge Jig Item Picture Operation Tool Notes 1 1 Place monitor head on U3818DW curve sponge jig 2 Carefully slide and remove the I O cover from the monitor 3 Disconnect the cables from the monitor and slide them out through the cable management slot on the stand riser 4 Press and hold the stand release button 5 Lift the stand up and away from the monitor U381...

Page 7: ...ly order Left Side Top Side Right Side Bottom Side 3 Remove USB FFC and Audio FFC from USB BD 4 Remove 1 tape on LED Driver BD wire from Main SHD and disconnect LED Driver BD wire from I F BD 5 Disconnect CTRL FFC cable from I F BD and tear it from Main SHD 6 Take off Rear Cover 1 Screw driver Screw Torque 8 10Kgf 2 Scraper bar ...

Page 8: ...or BD FFC cable from I F BD and tear off it from Main SHD 2 Disconnect Sensor BD FFC cable from I F BD and tear off it from panel 3 Disconnect CTRL LENS BD FFC from I F BD and tear off it from panel and Main SHD 5 1 Unlock 4 screws Green mark to disassemble Main SHD from panel Screw driver Screw Torque Main SHD 7 1kgf ...

Page 9: ... driver Screw Torque 8 5 1 0kgf 8 1 Disassemble Mylar from Main SHD 9 1 Tear off an adhesive tape and a yellow tape from I F BD and EDP cable 2 Disconnect EDP cable from I F BD 3 Unlock 10 screws on PCBA to disassemble SPS LED BD SPS BD and I F BD from Main SHD Screw driver Screw Torque PCBA 8 5 1 0Kg Screw Torque Ground Screw 8 10Kgf Do not touch the component without wearing insulating gloves wh...

Page 10: ...ews to disassemble G SYNC Module from I F BD Screw driver Screw Torque 4 4 5Kg 12 1 Unlock 4 Heat Sink screws and 4 captive screws to disassemble G Sync module Heat Sink Module and SHEET STIFFENER 2 Tear off MYLAR from SHEET STIFFENER Screw driver Screw Torque captive screw 4 4 5Kg Screw Torque Heat Sink 2 2 5Kg ...

Page 11: ... ESD protection 6 U3818DW Curve Sponge Jig Item Picture Operation Tools Notes 1 1 Assemble MYLAR with SHEET STIFFENER 2 Assemble G Sync module Heat Sink Module and SHEET STIFFENER then fix them by captive screw 4 3 Lock 4 Heat Sink Screws Screw driver Screw Torque Captive Screw 2 2 5 kgf Screw Torque Heat Sink 4 4 5 kgf 2 1 Assemble G SYNC Module with I F BD and fix it by screw 4 Screw driver Scre...

Page 12: ...ert USB FFC and Audio FFC into I F BD 3 Insert wires to connect I F BD SPS BD and SPS LED BD 4 Assemble I F BD and SPS LED BD with Main SHD 5 Lock 10 PCBA screws Screw driver Screw Torque ground screw 8 10 kgf Do not touch the component without wearing insulating gloves when disassemblin g and assembling Power BD ...

Page 13: ...ing BD to the back of Main SHD and fix it by screw 1 Screw driver Screw Torque 8 5 1 0 kgf 7 1 Place AW3821DW panel on U3818DW Curve Sponge Jig 2 Stick a yellow tape and an acetate tape to fix EDP cable on panel U3818DW curve sponge jig Panel and whole monitor head must be placed on U3818DW curve sponge jig to avoid panel damage It is not allowed to place the front side of panel and monitor head o...

Page 14: ...x Main SHD on panel Screw driver Screw Torque Main SHD 7 1kgf 9 1 Paste CTRL LENS BD FFC on panel and insert it into I F BD 2 Paste Sensor BD FFC cable on panel and insert it into I F BD 3 Stick 2 conductive cloth on Main SHD 4 Insert Backlight wires into SPS LED BD ...

Page 15: ...F BD and paste 1 tape to fix it on Main SHD 2 Insert CTRL FFC cable to I F BD and paste it on Main SHD 3 Insert USB FFC and Audio FFC into USB BD 11 1 Assemble Rear Cover with Middle Frame 2 Lock 4 RC screws Screw driver Screw Torque 8 10Kgf ...

Page 16: ...ssembly 3 Close the screw handle 13 1 Carefully insert the tabs on the stand riser into the slots on the display back cover and lower the stand assembly to snap it into place Note When connecting the stand assembly to the display do not place the stand riser directly on the display back panel Doing so may damage the pogo pins on the stand due to misalignment ...

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