Dell U4320Q Manuale utente

Wedge your fingers between the 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

carefully the rear cover in order of arrow preference

for unlocking mechanisms of rear cover.

Use a Philips-head screwdriver to remove 4pcs

screws for unlocking mechanisms.

(No.1~4 screw size=M6x12; Torque=9±0.5kgfxcm)

Remove the top cushion foam with all accessories

including QSG, Delta-e paper, user’s manual, DP

cable, HDMI cable, Type-C cable, USB cable, power

cable and other packing materials.(Note: It depends

on whether users returning the accessories)

Remove 4pcs carton locks, then use a proper tool to

open the carton, then uplift and remove the top

paper box carefully.

1 Disassembly Procedures:

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

monitor on a protective cushion.

Take out the base and stand from bottom cushion

foam, then take out the packed monitor from the

bottom cushion foam.

Go to contents page

DELL U4320Q

Lift the rear cover up carefully. Disconnect the USB

LVDS cable and function key cable from the

connectors of the interface board, and then remove

the rear cover.

power cable

QSG

Type-C cable

HDMI cable

DP cable

USB cable

Delta-E

monitor

base

stand

S12

S11

Go to contents page

DELL U4320Q

Use a Philips-head screwdriver to remove 1pcs

screw for unlocking the USB board unit, then release

the USB board unit and put it aside.

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

Put the rear cover with function key board into a Jip.

Tear off the mylar tape on the function key board,

then use a Philips-head screwdriver to tighten 3pcs

screws for locking the function key board with the

front bezel.

(No.1~3 Screw size= M2x2.4, Torque=0.8±0.2kgfxcm)

Use a Philips-head screwdriver to remove 8pcs

screws for unlocking the speakers with middle bezel.

Release the speakers’ cables from the hooks of the

middle bezel, and then disconnect the speaker cable

away from the connector of the circuit board.

(No.1~8 screw size=M3x8, Torque=5±0.5kgfxcm)

se a Philips-head screwdriver to remove 2pcs

screws for unlocking the heat-sink. se a Philips-

head screwdriver to remove 26pcs screws for

unlocking the middle bezel, then remove the bezel.

(No.1~28 Screw size= M3x0.5x4, Torque=5±0.5kgfxcm)

34 5 6

20 19 18 17 16

Tear off acetate tape, then disconnect the panel lamp

cables from the connectors of the circuit board.

S10

Use a Philips-head screwdriver to remove

screws for unlocking power board and interface

board.

9pcs

(No.1 screw size=M4x8, Torque=6±0.5kgfxcm;

No.2~6 screw size=M3x7.5, Torque=6±0.5kgfxcm)

Remove the circuit boards from the

disconnect all

of the cables.

bracket

chassis module carefully, and then

S18

Turn over the bracket chassis module. Remove the

Mylar from the hooks of the bracket, and then use a

Philips-head screwdriver to remove screws for

unlocking AC power outlet.

two

(No.1~2 screw size=M3x10, Torque=6±0.5kgfxcm)

S19

S17

Go to contents page

DELL U4320Q

se a Philips-head screwdriver to remove 4pcs

screws for locking the bracket chassis module with

the panel

(No.1~4 Screw size= M6x12, Torque=9±0.5kgfxcm)

S13

Lift up the bracket chassis, and disconnect the LVDS

cable from the connector of the T-CON board of

panel module, then put the bracket chassis on a

protective cushion.

S14

Use a Philips-head screwdriver to remove 2pcs

screws for unlocking the small bracket with T-Con

board, then remove the small bracket.

(No.1~2 Screw size= M3x0.5x4, Torque=3~5kgfxcm)

S15

Remove 2pcs shading tape on the left and right side

of the panel corner, then remove 32pcs acetate

tapes on the specific positions of the back of panel.

S16

452

Go to contents page

DELL U4320Q

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.

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

carefully.

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.

Go to contents page

DELL U4320Q

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

Ϯ Product material information

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