Dell P3221D User manual

Use a Philips-head screwdriver to remove four

screws for unlocking mechanisms.

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

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

user’s manual, DP cable, USB cable, power cable

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 base and molded plup from the carton,

then take out the monitor and stand from the carton.

Monitor

stand

base

DELL P3221D

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.

Delta_E paper

QSG

USB cable

DP cable

power cable User’s manual

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)

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 diasassembling.

Disconnect the LED cable from the connector of the

interface board, then release the LED cable by

tearing off the tapes.

S13

S10

S12

S14

Use a Philips-head screwdriver to release 1 screws

for unlocking the USB board, then disconnect the

USB FFC cable away from the connector of the

interface board and remove the Usb board unit.

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

S11

2DELL P3221D

Tear off 1pcs conductive tape and 1pcs aluminum foil

as the picture below shown. Use a Philips-head

screwdriver to remove 4pcs screws for unlocking the

middle bezel with front bezel.

(No.1~4 screw size=M2x3.5, Torque=2.5±0.5kgfxcm)

142

Use a Philips-head screwdriver to remove 14pcs

screws for unlocking the middle bezel with the panel

module, then tear off the aluminum foil for unlocking

the cables and bracket.

(No.1~14 screw size=M3x5, Torque=5±0.5kgfxcm)

4567

Take away the middle bezel, and put it on a fixture.

tear off the tape for releasing the

LED cable.

se a Philips-head screwdriver to remove 1pcs

screw for unlocking the LED board with the middle

bezel, and then

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

Lift up the panel module with the bracket chassis for

releasing the front bezel away from the panel

module. Disconnect the panel lamp cables away

from the connectors of the interface board and the

panel module.

S15

S16

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)

S18

Remove the power board board and interface

board from the

disconnect all of the cables.

bracket chassis module carefully,

and then

S20

Remove the Mylar tape from the hooks of the

bracket.

S17

S19

DELL P3221D

Use a 4pcs

screws for unlocking the bracket with panel module.

Philips-head screwdriver to remove

(No.1~4 screw size=M3x4, Torque=5±0.5kgfxcm)

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

disconnect the 2pcs LVDS cables 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.

4DELL P3221D

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.

DELL P3221D

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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