Dell 2720HB User manual


DELL E
2
1. Disas
s
S1
Tur
n
S2
Pla
c
the
Re
m
rel
e
S3
1.
2
720HB
s
embly Pr
o
n
off the m
o
c
e the mon
desk.
m
ove VES
A
e
ase button
.
Use a long
push the r
e
hole just a
b
1
o
cedures
o
nitor.
itor on a so
A
cover to a
c
.
and thin s
c
e
lease latc
h
b
ove the st
a
ft cloth alo
n
c
cess the
c
rewdriver t
o
h
located in
a
nd.
n
g
o
a
S4
S5
S6
Once t
h
base a
w
Press d
latch o
n
separat
e
Unlock
4
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
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

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(Screw
T
Unlock
2
(Screw
T
e latch is r
e
w
ay from th
e
o
wn on the
the botto
m
e
base fro
m
4
screws o
n
T
orque: 8~
1
2
CLMN sc
r
T
orque: 4.5
e
leased, re
m
e
monito
r
.
quick rele
a
m
of the bas
m
stand col
u
n
Rear Cov
1
0kgf)
rews
5
±0.5kgf)
m
ove the
a
se tab
e to
u
mn.
e
r

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S7
Dis
a
mo
n
Not
1)
D
2)
D
3)
D
4)
S
a
ssemble
R
n
itor
ice the dis
a
D
isassembl
e
D
isassembl
e
D
isassembl
e
S
eparate R
C
R
ear Cove
r
a
ssembly o
r
e
the Top p
a
e
the Left /
e
the Botto
m
C
from Bez
e
from the
r
der :
a
rt
Right part
m
part
e
l
S8
S9
S1
0
Remov
e
BD
Remov
e
backlig
h
Remov
e
Remov
e
SPS B
D
Remov
e
panel
0
Disass
e
Unlock
3
off Co
(Screw
T
DELL
e
Control B
D
e
2 tapes fr
o
h
t wire
e
LVDS ca
b
e
backlight
w
D
e
2 tape fro
m
e
mble Beze
l
3
screws o
n
n
trol BD fr
o
T
orque: 0.9
E2720H
B
D
FFC cabl
o
m LVDS c
b
le from pa
n
w
ire from p
m Main SH
l from the
p
n
Control B
o
m Bezel
9
~1kgf)
2
B
e from I/F
a
ble and
n
el
anel and
D and
p
anel
D
to take

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DELL E
2
S11
Dis
a
S12
Unl
o
scr
e
(Sc
(Sc
2
720HB
a
ssemble
M
o
ck 5 PCB
A
e
ws
rew Torque
rew Torque
3
M
ylar from
M
A
screws a
n
: 6.5±1.0kg
: 5.0±0.6kg
M
ain SHD
n
d 2 hex
f)
f)
S1
3
S1
4
3
Disass
e
Main S
H
4
Remov
e
Remov
e
e
mble SPS
B
H
D
e
SPS wire
e
LVDS ca
b
BD and I/F
from I/F
B
b
le from I/F
BD from
B
D
BD


S15
Re
m
S1
5
S1
5



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m
ove elect
r
5
-1 Cut the
5
-2 Ensure
c
r
olyte capa
c
glue betwe
e
c
utting pat
h
c
itors (red
m
e
n bulk ca
p
h
within the
m
ark) from
p
p
. and PCB
glue, don’t
p
rinted circ
u
with a knif
e
touch bulk

DELL
u
it boards
e
cap. or PC
B
E2720H
B
B
4
B

5DELL E2720HB
S15-3 Take out bulk cap. pin solder with soldering iron and absorber
S15-4 Lift the bulk cap. up and away from the PCB

6DELL E2720HB
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
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)
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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
- Scraper Bar
- Penknife
- Soldering iron and absorber