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)
S2
Open the carton with a proper tool.
1. Disassembly Procedures:
S1
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.
S3
S4
S5
Monitor
stand
base
23
41
1
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.
S6
S7
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)
S8
1
2
3
2
1
2
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
S9
1
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
3
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)
3
14
2
1
4567
8
9
10
11
12
13
Take away the middle bezel, and put it on a fixture.
U
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
2
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
3
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)
32
14
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.
2
5
3
1
76
4

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.

5
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