Dell C3422WE User manual

1 DELL C3422WE

Use a Philips-head screwdriver to remove 4pcs

screws for unlocking rear cover.

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

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

DP cable, USB Type-C cable, USB Type-A to Type-B

upstream cable, power cable, manual and other

packing materials 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 stand, base and paper top from the

carton, then take out the monitor from the carton.

Wedge your 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

carefully the rear cover in order of arrow preference

for unlocking mechanisms of rear cover.

Lift the rear cover up carefully. Disconnect the

joystick key cable and two USB cables from the

connectors of the board, and then remove the rear

cover and put it aside for later disassembling.

Use a Philips-head screwdriver to remove 1pcs screw

for unlocking the USB board, then tear off all the tapes

and release the Usb power cable and joystick cable.

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

QSG

USB Type-C cable

DP cable

power cable

manual

USB Type-A to Type-B cable

DELL C3422WE

Use a Philips-head screwdriver to remove 2pcs

screws for unlocking the joystick board, then release

the Joystick board from the hook of the rear cover.

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

Tear off 1pcs acetate tapes and 1pcs aluminum foils

and 3pcs conductive tapes for releasing the cables.

Disconnect the panel lamp cable, LED cable, touch

cable, camera connective cable and speakers’ cable

from the connectors of the board, then release the

panel lamp cables from the hooks of the middle bezel.

Use a Philips-head screwdriver to remove 4pcs

screws for unlocking bracket with panel, to remove

one screw for unlocking the heat-sink.

(No.1~5 screw size=M3x3, Torque=5±0.5 kgfxcm)

S12

S10

Use a Philips-head screwdriver to remove 4pcs

screws for unlocking the speakers with middle bezel,

then release the speakers’ cable from the hooks of

the middle bezel, and then release the two speakers

from the probers of the middle bezel.

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

Lift up the bracket chassis module and tear off the

1pcs acetate tape, then disconnect the EDP cable

away from the connector of the panel module, then

put the bracket chassis module on a cushion.

S13

Disconnect the camera cable from away the camera

board, then use a Philips-head screwdriver to

remove one screw for unlocking camera board with

the camera module.

(No.1 screw size=M3x3, Torque=5±0.5 kgfxcm)

S11

S14

3DELL C3422WE

Release the touch board from the middle bezel by

tearing off the tape, and then

middle bezel and put it on a cushion foam.

lift up the LED cable by

tearing off 3pcs tapes on the back of cable. Take

away the

Tear off tapes for releasing the camera connective

cable, then use a Philips-head screwdriver to

remove 4pcs screws for unlocking the camera

module, and then remove assembled camera unit

and put it aside for later disassembling.

(No.1~4 Screw size= M3x4, Torque=3.5±0.5kgfxcm)

S15

Tear off the camera glass and tape of the camera

connective cable, then use a Philips-head screwdriver

to remove 3pcs screws for unlocking the rear cover

with front cover. Remove the rear cover, and then tear

off the conductive foam and tape for release the cable,

then tear off the camera from the front cover.

(No.1~3 screw size=M3x5, Torque=3±0.5kgfxcm)

S16

Use a Philips-head screwdriver to remove 20pcs

screws for unlocking the middle bezel unit with the

panel module.

(No.1~20 screw size=M3x4, Torque=5±0.5kgfxcm)

S17

S18

Put the middle bezel with LED board into a fixture,

then tear off the mylar tape for releasing the LED

board.

S19

10 12

911 1

6518 19 20

DELL C3422WE

Remove the power board and interface board from

the

disconnect all of the cables.

bracket chassis module carefully, and then

Remove the Mylar tape from the brackets by tearing

off the tape, then use a Philips-head screwdriver to

remove screws for interface board and power

board.

7pcs

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

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

S20

S21

5DELL C3422WE

Remove electrolyte capacitors (red mark) from

printed circuit boards.

S22

S22-1 Cut the glue between bulk cap. and PCB with a knife.

S22-2 Ensure cutting path within the glue, don’t touch bulk

cap. or PCB.

S22-4 Take out bulk cap. pin solder with soldering iron and

absorber.

S22-5 Lift the bulk cap. up and away from the PCB.

S22-3 Cut into the bottom of bulk cap. and pullit up

carefully.

DELL C3422WE

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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