Dell AW2720HF Installation instructions

ELL

AW2720HF

1. Disassembly Procedures

Turn off the monitor.

Place the monitor on a soft cloth or

cushion.

Carefully slide and remove the I/O cover

from the monitor

Disconnect the cables from the monitor

and slide them out through the

cable-management slot on the stand

riser.

Press and hold the stand release

button.

Lift the stand up and away from the

monitor

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)

Remove SB FFC Cable and Audio

FFC cable from the I/F BD

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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AW2720HF

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

nplug wire from LED BD and

disassemble LED BD from Rear Cover

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AW2720HF

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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AW2720HF

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)

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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AW2720HF

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

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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AW2720HF

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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AW2720HF

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

ELL

AW2720HF

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

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

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