Dell UltraSharp UP3218K Manuale utente

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

4.1 Disassembly Procedures:

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)

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)

Necessary repair and test equipment:

1. Philips-head screwdriver

4. Disassembly and Assembly Procedures

S10

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)

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)

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;

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.

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)

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;

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.

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.

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)

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.

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

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

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)

S12

VBH tape

aluminum foil

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

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

4. Disassembly and Assembly Procedures

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