Dell AW2720HF Installation instructions

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1. Disassembly Procedures
S1
Turn off the monitor.
S2
Place the monitor on a soft cloth or
cushion.
Carefully slide and remove the I/O cover
from the monitor
S3 Disconnect the cables from the monitor
and slide them out through the
cable-management slot on the stand
riser.
S4
Press and hold the stand release
button.
S
Lift the stand up and away from the
monitor
S6
nlock 4 screws on Rear Cover
se hands or scraper bar to
disassemble Rear Cover from monitor
Notice the disassembly order :
Bottom Side=>Right/ Left Side=> Top
Side
(Screw Torque:10.5±1kgf)
S7
Remove SB FFC Cable and Audio
FFC cable from the I/F BD
S8
Remove CTRL FFC Cable from I/F BD
Tear off an adhesive tape and remove
the LED Driver BD wire from I/F BD

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S9
Tear off all adhesive tapes from Rear
Cover
S10
nlock 2 SB screws to disassemble
SB BD from Rear Cover
(Screw Torque: 3.0-3.5kgf)
S11
Disassemble “ SB FFC cable” and
“Audio FFC cable” from SB BD
S12
nplug wires from LED Driver BD
S13
nlock 1 screw to disassemble LED
Driver BD from Rear Cover
(Screw Torque: 3.0-3.5kgf)
S14
Tear off “MYLAR HEAD LOGO from
LED Logo Lens
S1
nplug wire from LED BD and
disassemble LED BD from Rear Cover

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S16
Remove FFC cables from Rear Cover,
CTRL BD and CTRL+KEY BD
nlock 5 screws to disassemble CTRL
BD and CTRL+KEY BD from Rear
Cover
(Screw Torque: 1.05-1.15Kgf)
S17
Tear off 3 adhesive tapes and 1 AL foil
from Backlight Wire on the SHD
Disassemble the side Mylar from the
SHD and unplug Backlight Wire form
SPS BD
S18
nplug Power CTRL FFC cable from I/F
BD and tear off Power CTRL FFC cable
from the panel
nlock 1 screw to disassemble
“Docking BD” from SHD
S19
nlock 4 screws on SHD
Tear off the long adhesive tape from
“FFC EDP” on Panel
nplug “FFC EDP” from the panel
nlock 5 TRIM screws to disassemble
“BZL CHIN”
(Screw Torque: SHD: 7±1kgf
Bezel Chin: 3.5-4.0Kgf)

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S20
nlock 11 screws on middle frame
(Screw Torque: 3.5-4 Kgf)
S21
Tear off the gasket from Middle Frame
S22
Disassemble Middle Frame from panel
S23
nlock 2 screws to disassemble
Power Button module from middle frame
(Screw Torque: 1.05-1.15 Kgf)
S24
Disassemble “MYLAR CTRL-BD” from
“CTRL+LENS BD” (Power CTRL BD)
S2
nplug Power CTRL FFC cable from
“CTRL+LENS BD” (Power CTRL BD)
S26
nlock 2 screws to disassemble
“CTRL+LENS BD” (Power CTRL BD)
from Power Button
(Screw Torque: 1.05-1.15 Kgf)
S27
Disassemble “BZL CHIN” from the panel

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S28
Disassemble “I/F BD to Docking BD
wire” from Docking BD
S29
Assemble “MYLAR PWR-BD” to SHD
S30
nplug Backlight Wire from Panel
S31
Tear off the long adhesive tape from the
I/F BD
nplug “FFC EDP” from I/F BD
S32
nlock 9 PCBA screws
(Screw Torque: 10±0.5kgf)
S33
Disassemble I/F BD from the SHD
S34
Disassemble wire from I/F BD
S3
Disassemble SPS BD from SHD and
disassemble “AC Socket Wire” from
SPS BD
S36
nlock the ground screw and
disassemble power socket from SHD
(Screw Torque: 10±0.5kgf)

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S37
Remove electrolyte capacitors (red mark) from printed circuit boards
S37-1 Cut the glue between bulk cap. and PCB with a knife
S37-2 Ensure cutting path within the glue, don’t touch bulk cap. or PCB

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S37-3 Take out bulk cap. pin solder with soldering iron and absorber
S37-4 Lift the bulk cap. up and away from the PCB

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2. Product material information
The following substances, preparations, or components should be disposed of or
recovered separately from other WEEE in compliance with Article 4 of EU Council
Directive 75/442/EEC.
Capacitors / condensers (containing
PCB/PCT)
No used
Mercury containing components
No used
Batteries No used
Printed circuit boards (with a surface greater
than 10 square cm)
Product has printed circuit boards
(with a surface greater than 10 square
cm)
Component contain toner, ink and liquids No used
Plastic containing BFR
No used
Component and waste contain asbestos
No used
CRT No used
Component contain CFC, HCFC, HFC and
HC
No used
Gas discharge lamps
No used
LCD display > 100 cm2 Product has an LCD greater than 100
cm2
External electric cable Product has external cables
Component contain refractory ceramic fibers
No used
Component contain radio
-
active substances
No used
Electrolyte capacitors (height
> 25mm, diameter > 25mm)
Product has electrolyte capacitors
(height >25mm, diameter > 25mm)
3. Tools Required
List the type and size of the tools that would typically can be used to disassemble the
product to a point where components and materials requiring selective treatment can be
removed.
Tool Description:
- Screwdriver
- Scraper Bar
- Penknife
- Soldering iron and absorber