Dell U3223QE User manual

DELL U3223QE

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

monitor

stand

Delta_E paper

QSG

USB A to C cable

DP cable

power cable

USB C to C cable

manual

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 U3223QE

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

Tear off 1pcs aluminum foil for unfixing the bracket,

then tear off 1pcs acetate tape for uncovering the

LVDS connector .

Use a Philips-head screwdriver to remove

18(13+5)pcs screws for unlocking the middle bezel

with the panel module.

(No.1~13 screw size=M3x5, Torque=5±0.5kgfxcm;

No.13~18 screw size=M3x4.5, Torque=5±0.5kgfxcm)

Disconnect the two panel lamp cables from the

connectors of the panel. Disconnect the LED cable

from the connector of the interface board.

S12

Tear off the tape on the middle bezel for releasing the

LED cable, and then tear off the mylar tape to release

the LED board for the hooks of the middle bezel.

S13

se a Philips-head screwdriver to remove 4pcs

screws for unlocking the bracket chassis module

with the panel

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

18 16

15 17

761

5 8 9

Lift up the middle bezel, and then put it on a cushion

foam for later disassembling.

S15

DELL U3223QE

Use a Philips-head screwdriver to remove

screws for interface board and power board.

8pcs

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

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

S19

Remove the power board board and interface

board from the

disconnect all of the cables.

bracket chassis module carefully,

and then

Release the panel lamp cables from the hooks of the

bracket, then remove the Mylar tape from the hooks

of the bracket.

S18

S20

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

disconnect the LVDS cable away from the connectors

of the panel module.

Take away the bracket chassis module and then put

the bracket chassis module on a protective cushion.

S16

S17 1

4DELL U3223QE

Remove electrolyte capacitors (red mark) from

printed circuit boards.

S21

S21-1 Cut the glue between bulk cap. and PCB with a knife.

S21-2 Ensure cutting path within the glue, don’t touch bulk

cap. or PCB.

S21-4 Take out bulk cap. pin solder with soldering iron and

absorber.

S21-5 Lift the bulk cap. up and away from the PCB.

S21-3 Cut into the bottom of bulk cap. and pullit up

carefully.

DELL U3223QE

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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