Dell U2723QE User manual

DELL U2723QE

Use a Philips-head screwdriver to remove 4pcs

screws for unlocking mechanisms. Remove DP caps.

(No.1~4 screw size=M4x11; Torque=11±1kgfxcm)

Take out all accessories including label(optinal), QSG,

Delta-E paper, DP cable, USB C to C cable(Type-C

cable), USB A to C cable(USB cable), power cable,

manual from the carton. (Note: It depends on whether

users returning the accessories)

Open the carton with a proper tool.

1. Disassembly Procedures:

Take out the monitor from EPE-bag and put the LCD

monitor on a protective cushion.

Take out the paper top with base from the carton,

then take out the monitor and stand from the carton.

Lift the rear cover up carefully. Disconnect the

joystick key cable from the connector of the interface

board, and then remove the rear cover and put it

aside for later disassembling.

Use a Philips-head screwdriver to remove 2pcs

screw for unlocking the key board, then tear off the

tapes and release the key board.

(No.1~2 screw size=M2x2.4, Torque=0.8~1kgfxcm)

base

Delta_E paper

QSG

USB A to C cable

DP cable

power cable

USB C to C cable

manual

monitor

stand

Tear off the screen protector, then wedge fingers

between rear cover and the middle bezel on the

corners of the top side of the monitor to release the

rear cover, then use one hand to press the middle

bezel, the other hand to pull up the rear cover in order

of arrow preference for unlocking the rear cover.

2DELL U2723QE

S14

S10

Use a Philips-head screwdriver to release one screw

for unlocking the USB board, and disconnect the two

cables, then release the USB board from the hooks

of the middle bezel.

(No.1screw size=M3x6, Torque=4±0.5kgfxcm)

S11

Disconnect the LED cable from the connector of the

interface board, and then tear off the tapes on the

back of the back.

Li middle bezel, and put it on a

fixture, and then tear off the mylar tape, then release

the LED board from the hooks of the middle bezel.

ft up and take away the

S12

se a Philips-head screwdriver to remove 4pcs

screws for unlocking the bracket with the panel

(No.1~4 Screw size= M3x5, Torque=5±0.5kgfxcm)

Use a Philips-head screwdriver to remove 14(9+5)pcs

screws for locking the middle bezel with the panel,

then tear off 1pcs aluminum foil for releasing the LED

cable.

(No.1~9 screw size=M3x5, Torque=5±0.5kgfxcm;

No.10~14 screw size=M3x4.5, Torque=5±0.5kgfxcm)

11 14

13 12

5 7 6

Disconnect the panel lamp cables away from the two

connector of the panel, and then release the lamp

cable by tearing off the tapes.

S13

DELL U2723QE

S15

S16

Use a Philips-head screwdriver to remove

screws for interface board and power board from the

bracket.

8pcs

(No.1 screw size=M4x8, Torque=7±1kgfxcm;

No.2~8 screw size=M3x7.5, Torque=7±1kgfxcm)

S18

Release the panel lamp cable from the hook of the

bracket. Remove the power board board and

interface board from the

disconnect all of the cables.

bracket chassis module

carefully, and then

Remove the Mylar tape from the hooks of the

bracket.

S17

S19

Move up the bracket, then push the earing-lock and

disconnect the eDP cable away from the connector of

the panel module.

Take away the bracket chassis module and then put

the bracket chassis module on a protective cushion.

4DELL U2723QE

Remove electrolyte capacitors (red mark) from

printed circuit boards.

S20

S20-1 Cut the glue between bulk cap. and PCB with a knife.

S20-2 Ensure cutting path within the glue, don’t touch bulk

cap. or PCB.

S20-4 Take out bulk cap. pin solder with soldering iron and

absorber.

S20-5 Lift the bulk cap. up and away from the PCB.

S20-3 Cut into the bottom of bulk cap. and pullit up

carefully.

DELL U2723QE

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 (Phillip head) #1

- Screwdriver (Phillip head) #2

- Penknife

- Soldering iron and absorber

2. Product material information

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