Dell P2722H Manuale

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 four

screws for unlocking mechanisms.

(No.1~4 screw size=M4x10; Torque=12±0.5kgfxcm)

Take out all of the QSG,accessories including DP

cable, power cable, USB cable, CD&user’s manual,

stand and EEI label(optinal) from the carton from the

carton.(Note: It depends on whether users returning

the accessories)

Open the Pizza carton with a proper tool.

1. Disassembly Procedures:

Lift the rear cover up carefully. Disconnect the key

cable and USB FFC cable from the connectors of

the interface board, and then remove the rear cover.

Take out of the Paper-top from the carton, then take

out the packed monitor and packed stand from the

Pizza box.

Take out the monitor from the bag and put it on a

protective cushion.

1DELL P2722H

QSG

base

user’s manual

DP cable

USB cable power cable

stand

monitor

Tear off 2pcs aluminium foils and 1pcs conductive

tape for unfixing the bracket Use a Philips-head

screwdriver to remove 2pcs screws for locking the

middle with the front bezel and the panel.

(No.14~15 screw size=M1.6x1.7, Torque=1±0.2kgfxcm)

Disconnect the LED cable from the connector, then

release the LED cable by tearing off the tapes. Tear

off the acetate tape, and then release the panel lamp

cable from the hook of the middle bezel.

Use a Philips-head screwdriver to remove 2pcs

screws for unlocking the joystick key board unit, then

tear off the tapes and release the USB board.

(No.1~2 screw size=M2x3.3,Torque=1±0.2kgfxcm)

Use a Philips-head screwdriver to remove one 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)

DELL P2722H

S10 S13

Take away the

middle bezel, and put it on a fixture,

then tear off the mylar tape for releasing the LED

board

S11

S12

Tear off tapes, then lift up the panel with the bracket

for releasing the front bezel away from the panel.

aluminum foil

conductive tape

Use a Philips-head screwdriver to remove 13pcs

screws for unlocking the middle bezel with the panel.

(No.1~13 screw size=M3x4, Torque=5±0.5kgfxcm)

12 1

Take away the bracket chassis module and then put

the bracket chassis module on a protective cushion.

S15

Remove the black Mylar from the hooks of the

bracket as the picture below shown.

Remove the interface board and power board from

the bracket chassis module carefully, and disconnect

all the cables.

Use a Philips-head screwdriver to remove 5pcs

screws for unlocking the power board and interface

board, and then release all the cables from the

hooks.

(No.1~4 screw size=M3x7.5, Torque=6±0.5kgfxcm;

No.5 screw size=M4x8, Torque=6±0.5kgfxcm)

S17

S14

S16

S18

Put the panel module on a protective cushion, then

disconnect the panel lamp cable from the connector

of panel module, then unplug the LVDS cable from

the connector of the panel module.

Use a Hex-head screwdriver to remove two screws

for unlocking the D-Sub connector.

(No.1~2 screws size=M3x8, Torque=6±0.5kgfxcm)

S19

3DELL P2722H

DELL P2722H

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.

5DELL P2722H

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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