Dell P2319H Instrucciones de uso

Version: 01

Date: 2021/10/29

Service Manual - P2319H

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

NOTE:

For replacement of power cord, connectivity cable and external power supply (if applicable), contact Dell:

1. Go to https://www.dell.com/support.

2. Verify your country or region in the Choose A Country/Region drop-down menu at the bottom-right corner of the page.

3. Click Contact Us next to the country dropdown.

4. Select the appropriate service or support link based on your need.

5. Choose the method of contacting Dell that is convenient for you.

Item Description Q'ty Remark

1 1

For EMEA Only, not for

other regions

Power BD

4 1

Interface BD

8 1

11 1

112

Function key BD

Front trim

ASSY Middle Frame

Chassis Mylar

Main Chassis ASSY

15 1

USB BD

See “NOTE”

Riser ASSY

Base ASSY

Back cover

Panel

See “NOTE”

USB 3.0 upstream cable

VGA cable (Japan Only)

HDMI 1.4 cable (Brazil Only)

Power cable

DisplayPort cable

13 14 15 16 17

3. Wiring Connectivity Diagram

4. How to connect and disconnect power cable/ connectivity cable

WARNING: To change power cable/ connectivity cable, switch off power before unplugging the cable and replugging in required

cable.

Power Button

4. How to connect and disconnect power cable/ connectivity cable

5. Disassembly and Assembly Procedures

5.1 Disassembly Procedures:

Tool 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

NOTE:

This “Disassembly and Assembly Procedures” is for EMEA only,

not for other regions. Please note that Dell will deem warranty void

if any disassembly is done on the monitors.

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. Remove DP cap.

(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..

Lift the rear cover up carefully. Disconnect the USB

FFC cable from the connector of the interface board,

and then remove the rear cover.

Tear off two pieces of the aluminium foils for unfixing

the bracket chassis base.

Use a Philips-head screwdriver to remove one screw

for unlocking the USB board unit, then release the

USB board unit and put it aside.

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

Unplug the panel power cable from the connector of

the panel module, then release the function by

tearing the tapes on the back of the cable, and then

release the cable from the hooks of the middle

bezel.

aluminum foil

5. Disassembly and Assembly Procedures

Take away the bracket chassis module and then put

the bracket chassis module on a protective cushion.

Lift up the panel module for releasing the front bezel

away from the panel module.

S11

S12

S13

S10

Use a proper tool to release the function key cable

from the connector, then pull the function key cable

high for releasing the function key cable.

Use a Philips-head screwdriver to remove 2pcs

screws for unlocking the bracket with the panel.

Push the earing-lock, and disconnect the LVDS

cable from the connector of LCD panel module.

(No.1~2 screw size=M3x2.8, Torque=4~5kgfxcm)

Use a Philips-head screwdriver to remove 13pcs

screws for unlocking the middle bezel with the unit.

(No.1~11 screw size=M3x4, Torque=3~4kgfxcm;

No.12~13 screw size=M1.6x1.7, Torque=0.6~1kgfxcm)

12 13

Take away the

middle bezel then use a Philips-head

screwdriver to remove 3pcs screws for unlocking the

function key board with the middle bezel

5. Disassembly and Assembly Procedures

S14

Use a Hex-head screwdriver to remove two screws

for unlocking the D-Sub connector.

(No.1~2 screws size=M3x8, Torque=6±0.5kgfxcm)

( No.3~4 screw size=M3x8, Torque=6~7kgfxcm)

Use a Philips-head screwdriver to remove

screws for unlocking the AC power outlet.

two

Remove the interface board and power board from

the bracket chassis module carefully, and disconnect

all the cables.

Remove the Mylar from the hooks of the bracket.

Use a Philips-head screwdriver to remove six screws

for unlocking the circuit board, release all the cables

from the hooks.

(No.1~5 screw size=M3x7.5, Torque=6±0.5kgfxcm;

No. 6 screw size=M4x8, Torque=6±0.5kgfxcm)

S17

S16

5. Disassembly and Assembly Procedures

5.2 Assembly Procedures: Take a mylar to insert the hooks of the bracket to

cover the power board.

Panel preparation: Examine the panel surface

according to inspection criteria. Turn over the panel

to place the screen faced down for later assembling.

Turn over a power board and put the power board

into the bracket chassis, locate the panel power

cable into the hook of the bracket chassis.

Place a bracket chassis base on a protective

cushion.

Take a interface board, connect a LVDS cable to the

connector of the interface board, then connect the

cable of the power board to the connector of the

interface board. Turn over the interface board and

locate it into the bracket. Use a Philips-head

screwdriver to tighten six screws for locking the

power board and interface board.

(No.1~5 screw size=M3x7.5, Torque=6±0.5kgfxcm;

No.6 screw size=M4x8, Torque=6±0.5kgfxcm)

Put the bracket chassis module on the back of LCD

module, then lift up the panel with bracket and take

1pcs front bezel to assemble with the panel module.

Use a Hex-head screwdriver to tighten two Hex Nuts

for locking the D-Sub connector.

(No.1~2 screw size=M3x8, Torque=6±0.5kgfxcm)

(No.3~4 screw size=M3x8, Torque=6~7kgfxcm;

Use a Philips-head screwdriver to tighten two screws

for locking the AC power outlet.

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