Dell UltraSharp UP3218K User manual

Product Announcement:
This product is certificated to meet RoHS
Directive and Lead-Free produced definition.
Using approved critical components only is
recommended when the situation to replace
defective parts. Vender assumes no liability
express or implied, arising out of any unauthorized
modification of design or replacing non-RoHS
parts. Service providers assume all liability.
Qualified Repairability:
Proper service and repair is important to the safe,
reliable operation of all series products. The
service providers recommended by vender should
be aware of notices listed in this service manual in
order to minimize the risk of personal injury when
perform service procedures. Furthermore, the
possible existed improper repairing method may
damage equipment or products. It is recommended
that service engineers should have repairing
knowledge, experience, as well as appropriate
product training per new model before performing
the service procedures.
NOTICE:
! To avoid electrical shocks, the products should be
connected to an authorized power cord, and turn
off the master power switch each time before
removing the AC power cord.
! To prevent the product away from water or
expose in extremely high humility environment.
! To ensure the continued reliability of this
product, use only original manufacturer’s
specified parts.
! To ensure following safety repairing behavior, put
the replaced part on the components side of
PWBA, not solder side.
! To ensure using a proper screwdriver, follow the
torque and force listed in assembly and
disassembly procedures to unscrew screws.
! Using Lead-Free solder to well mounted the
parts.
! The fusion point of Lead-Free solder requested in
the degree of 220°C.
1. Important Safety Notice

2. Exploded view diagram with list of items

3. Wiring Connectivity Diagram
Audio Line out
USB
Down-Stream
Port
LG LM315QU1-SSA1
8Kx4K PANEL
AC Power socket
USB
Down-Stream
Port
V by ONE 1
KEYPAD & PWR
LED Board
USB Up-Stream
Port
DP1.3 Port 2DP1.3 Port 1
T-CON VCC 10V V by ONE 2
POWER BOARD
USB
Down-Stream
Port
USB
Down-Stream
Port
STAND
LED Board
FAN 1
FAN 2
INTERFACE BOARD

4. Disassembly and Assembly Procedures
S2
4.1 Disassembly Procedures:
S1
S3
S5
S4
Remove the monitor stand base:
1. Place the monitor on a soft cloth or cushion.
2. Press and hold the stand-release button.
3. Lift the stand up and away from the monitor.
Use a Philips-head screwdriver to remove 4pcs
screws for unlocking mechanisms.
(No.1~4 screw size=M4x10; Torque=12±0.5kgfxcm)
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.
Remove the rear cover and put it on a protective
cushion. Use a Philips-head screwdriver to remove
14 screws for unlocking the middle plastic bezel with
the whole unit, and then remove the middle plastic
bezel carefully.
(No.1~14 screw size=M3x5.5, Torque=4±0.5kgfxcm)
23
41
33
11
2
2
44
6
1
4
3
14
13
10
5
2
11
12
7
8
9
Tear off 7 pieces of aluminum foil. Disconnect the
lamp cable from the connectors of the power board
and panel module. Use a Philips-head screwdriver to
remove 3 screws for unlocking the speakers’
protective cover with the middle iron bezel.
(No.1~3 Screw size=M3x4, Torque=3.5~4.5kgfxcm)
13
2
Necessary repair and test equipment:
1. Philips-head screwdriver

4. Disassembly and Assembly Procedures
S10
S7
S8
S9
S6
Tear off three pieces of VBH tape on the specific
position as the picture below shown. Disconnect the
function key cable from the connector of the
interface board. Use a Philips-head screwdriver to
remove eight screws for unlocking the middle iron
bezel with the panel module. Remove the middle
iron bezel.
(No.1~8 Screw size=M3x0.5xL4, Torque=4±0.5kgfxcm)
8
6
4
3
2
15
7
14
23
VBH tape
VBH tape
aluminum foil
Tear off the
cable, then disconnect the cable from the connector.
Use a Philips-head screwdriver to remove four
screws for unlocking the speakers. Remove the
speakers from the probers.
aluminum foil for releasing the speakers’
(No.1~4 Screw size=M2x6, Torque=3.5~4kgfxcm)
Use a Philips-head screwdriver to remove four
screws for unlocking the bracket with the panel
module. Use a Jip to lift up the bracket, then tear off
the black mylar tape for releasing the LVDS
connectors. Disconnect the LVDS cables from the
connectors of the panel module.
(No.1~4 screw size=M3x0.5xL4, Torque=4±0.5kgfxcm)
14
32
Remove the middle iron bezel. Tear off the mylar tape
for releasing the function key cable from the hooks of
the middle iron bezel.
Lift up the bracket chassis module and put it on a
protector cushion.

4. Disassembly and Assembly Procedures
Remove the Mylar from the hooks of the bracket
chassis module.
S13
Use a Philips-head screwdriver to remove 7pcs screws
for unlocking the power board and AC board, then
remove the two boards from the hooks of the bracket
chassis. isconnect all of the cables.D
(No.1 screw size=M4x8, Torque=7~8kgfxcm;
No.2~7 screw size=M3x7.5, Torque=7~8kgfxcm;
3
2
1
4
1
6
24
7
5
3
13
1
2
3
4
Use a 2 screws
for locking the AC power outlet, to remove 2 screws
for unlocking the stand LED board. Remove the
Stand LED board by disconnecting the cable.
Philips-head screwdriver to remove
(No.1~2 screw size=M3x4.5, Torque=7~8kgfxcm,
No.3~4 screw size=M3x10, Torque=6~8kgfxcm)
Turn over the bracket chassis. Use a Philips-head
screwdriver to remove 4 screws for unlocking the
interface board and LED driver board. Disconnect
the cables of the interface board and LED driver
board away from the power board, then remove the
two board from the hooks of the bracket.
(No.1~4 screw size=M3x7.5, Torque=7~8kgfxcm)
S12
S14
S11

4. Disassembly and Assembly Procedures
4.2 Assembly Procedures:
Take a interface board, LED driver board and some
cables, connect the LVDS cables to the connectors
of the interface board. Take the interface board close
to the power board, then connect the power board
with the interface board, connect the LED driver
board with the power board. Turn over the interface
board, LED driver board and locate them into the
hooks of the bracket chassis base. Use a Philips-
head screwdriver to tighten 4 screws for locking the
interface board and LED driver board.
(No.8~11 screw size=M3x7.5, Torque=7~8kgfxcm)
Take a AC board and a cable, connect the cable to
the AC board, then locate the AC board into the
bracket as the following picture shown.
Place a bracket chassis base on a protective
cushion, then stick two Silicon sheets on the
positions as the picture below shown.
S2
Turn over the bracket chassis base. Connect cable
to the a Stand LED board, then locate the stand LED
board to the correct position. Use a
two screws for locking the
stand LED board. Use a
two screws for locking the AC power outlet.
Philips-head
screwdriver to tighten
Philips-head screwdriver to
tighten
(No.1~2 screw size=M3x4.5, Torque=7~8kgfxcm,
No.3~4 screw size=M3x10, Torque=6~8kgfxcm)
S5
13
S1
10
9
8
11
Take a power board, Connect the cable to the
it into
the correct position. Use a Philips-head screwdriver to
tighten 7 screws for locking the power board and AC
board, then Insert a piece of mylar tape to the hooks of
bracket to cover the power board.
power
board, then turn over the power board and locate
(No.1 screw size=M4x8, Torque=7~8kgfxcm;
No.2~7 screw size=M3x7.5, Torque=7~8kgfxcm;
S4
S3
1
6
24
7
5
3
1
2
3
4

4. Disassembly and Assembly Procedures
Panel preparation: Take out a panel from the carton,
then remove the PE bag, then examine the panel
surface according to inspection criteria. Turn over
the panel to place screen faced down, then put the
bracket chassis module on the back of LCD module.
S6
Take a middle bezel and a function key board, locate
the middle bezel into a JIP, then assemble the
function key board with te middle bezel, and then
stick a mylar tape to cover the function key board.
S7
Take a Jip to lift up the bracket, then connect the
LVDS cables to the connectors of the panel module.
Stick a piece of black mylar tape on the specific
position. Move away the JIP, put down the bracket,
then use a Philips-head screwdriver to tighten four
screws for locking the bracket with the panel module.
(No.1~4 screw size=M3x0.5xL4, Torque=4±0.5kgfxcm)
S8
Assemble the middle bezel with the panel module,
adjust the middle bezel for two parts firmly attached.
Settle the function key cable as the picture below
shown.
14
32
S9

4. Disassembly and Assembly Procedures
Take a middle plastic bezel, then assemble the
middle bezel with the whole unit, adjust the bezel for
the two parts firmly attached. Use a Philips-head
screwdriver to tighten 14 screws for locking the
middle plastic bezel with the whole unit.
(No.1~14 screw size=M3x5.5, Torque=4±0.5kgfxcm)
S13
U se a Philips-head screwdriver to tighten eight
screws for locking the middle iron bezel with the
panel module. Connect the function key cable to the
connector, then fix the function key cable with
adhesive tapes which sticked on the back of the
cable. Stick three pieces of VBH tape on the specific
position as the picture below shown.
(No.1~8 Screw size=M3x0.5xL4, Torque=4±0.5kgfxcm)
S10
8
6
4
3
2
15
7
VBH tape
VBH tape
VBH tape
Take a pair of speakers, locate the speakers to the
holders, then use a Philips-head screwdriver to
tighten four screws for locking the speakers, then
connect the speakers’ cable to the connector, then
stick a piece of aluminum foil to fix the cable.
(No.1~4 Screw size=M2x6, Torque=3.5~4kgfxcm)
S11
Assemble a protective cover with the middle iron
bezel to cover the speakers, then
. Take a long lamp
cable to connect the panel and power board, settle
the cables as the picture below shown.
use a Philips-head
screwdriver to tighten 3 screws for locking the
protective cover with the bezel
Stick 7
pieces of aluminum foil on the specific position to
cover the cables and connectors.
(No.1~3 Screw size=M3x4, Torque=3.5~4.5kgfxcm)
14
23
S12
13
2
VBH tape
VBH tape
VBH tape
aluminum foil
6
1
4
3
14
13
10
5
2
11
12
7
8
9

Take a rear cover, then put down the rear cover and
assemble it with the middle bezel, then push the rear
cover on the positions marked as as No.1~4 in
priority order for mechanisms engagement.
S15
23
41
Use a Philips-head screwdriver to tighten four
screws for locking mechanisms.
Stick two pieces of
label on the specific positions of the rear cover
(No.1~4 screw size=M4x10; Torque=12 0.5kgfxcm)±
S14
L c
rovide power
supply and a video signal to the monitor
ift up the monitor, heck the gaps of the bezels of
monitor whether up to standard. P
, then turn
on the monitor for functionality check. Turn off the
monitor, remove all the cables, stick an energy label
on top left corner of the monitor for European region.
Stick a screen protector by the adhesive tapes which
sticked the four corner of the screen protector.
Take a stand, the insert the stand to the groove on
the back of the monitor, and then press the stand so
that the monitor mounting area snaps onto the
stand.
S17
S16
for Europe
33
11
2
2
44
4. Disassembly and Assembly Procedures