Dell UltraSharp U2422Hb Installation instructions

DELL U2422HB_U2422HXB

1. Disassembly Procedures

Turn off power

To remove the stand

Place the monitor on a soft cloth or

cushion

Press and hold the stand release button

Lift the stand up and away from the

monitor

Unlock 4 screws on Rear Cover

Use hands or scraper bar to

disassemble Rear Cover from monitor

Notice t e disassembly order:

Top Side= Right/ Left Side= Bottom

Side

(Screw Torque:

8-10Kgf)

Pull out CTRL BD FFC from I/F BD and

tear off it from Main SHD to take off

Rear Cover

Tear off a tape from CTRL BD FFC and

Rear Cover

Unlock screw*3 to disassemble CTRL

BD from Rear Cover

(Screw Torque:

0.9-1.0Kgf)

ELL

U2422H

_U2422HXB

Press on the lock of connector to

disassemble USB FFC from I/F BD

Attention:

USB FFC may be damaged if you pull

out it from I/F BD directly without

pressing the lock

Pull out USB wire from I/F BD

Unlock 2 screws to disassemble USB

BD from Middle Frame

(Screw Torque: 4.5±0.5Kgf)

Pull out USB FFC and USB wire from

USB BD

Take off gasket from USB BD

Tear off a tape from Backlight wire and

panel

Pull out Backlight wire from SPS BD

S10

Disassemble LVDS FFC cable from

Panel

Take off Main SHD from panel

DELL U2422HB_U2422HXB

S11

Unlock 14 screws to disassemble

Middle Frame

(Screw Torque: 5.0±0.5Kgf)

S12

Tear off a tape from Backlight wire and

panel

Pull out Backlight wire from panel

S13

Disassemble 5 plastic BOSS from panel

S14

Disassemble mylar from Main SHD

S15

Unlock 8 PCBA screws to disassemble

I/F BD, SPS BD from Main SHD

(Screw Torque: 8.5±1Kgf)

S16

Remove all cables from I/F BD

ELL

U2422H

_U2422HXB

S17

Remove electrolyte capacitors (red mark) from printed circuit boards

S17-1 Cut the glue between bulk cap. and PCB with a knife

S17-2 Ensure cutting path within the glue, don’t touch bulk cap. or PCB

DELL U2422HB_U2422HXB

S17-3 Take out bulk cap. pin solder with soldering iron and absorber

S17-4 Lift the bulk cap. up and away from the PCB

ELL

U2422H

_U2422HXB

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

- Penknife

- Bar scraper

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