Dell P3424WEB Manuel utilisateur

Version: 01

Date: 2023/09/05

Service Manual - P3424WEB

! 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.

Product Announcement:

! To ensure following safety repairing behavior, put

the replaced part on the components side of

PWBA, not solder side.

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.

! To ensure the continued reliability of this

product, use only original manufacturer’s

specified parts.

Qualified Repairability:

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.

NOTICE:

! 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:

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

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

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

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.

15 16 17 18

ItemDescriptionQ'tyRemark

11

ForEMEAOnly,notfor

otherregions

2

Speaker

1

41

6 1

81

111

Main Chassis ASSY

Front Trim

Middle Frame

Interface Board

1

151

116

Rear Cover ASSY

Stand Riser

Panel

17 1

1

See “NOTE”

USB 3.2 Gen1 1.8 M Type A to Type B cable upstream cable

Power cable

DisplayPort 1.8 M cable

USB-C Gen1 1.8 M cable (C to C)

Touch Board

Camera ASSY

Joystick Board

Stand Base

USB Board

Power Board

See “NOTE”

3. Wiring Connectivity Diagram

AC In

PW R& LED

D river

Panel

3440*1440

U SB-C Up

DP1.2

HD MI2.0

HDCP2.0

DP In 1.2

HDCP 2.2

4M RGB+IR camera

+TOF

Manual Shutter

USB

Down

Stream

USB

Down

Stream

LAN1

Speaker

2*5W

Joys tick +Power Key

Capacity

Touch key

USBB

2 Digital Mic

U SB A

Dow n

S trea

m #4

U SB C

Dow n

S trea

m #3

H ead

phone

USB Board

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.

1118-1520-6788-7992-5652-1496

Connecting the HDMI cable (Optional)

Connecting the DP cable

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

Connecting the USB cable

Connecting the USB-C cable (A to C) (Optional)

Connecting the USB-C cable (C to C)

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

Connecting the monitor for RJ45 cable (Optional)

Lift the rear cover up and tear off 1pc aluminum foil,

then disconnect the joystick key cable from the

connector of the main board, and then remove the

rear cover and put it aside for later disassembling.

5. Disassembly and Assembly Procedures

5.1 Disassembly Procedures:

- Penknife

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.

- Screwdriver(Phillip head) #2

Tool Description:

- Screwdriver(Phillip head) #1

- 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.

S1 1. Place the monitor on a soft cloth or cushion.

Remove the monitor stand base:

3. Lift the stand up and away from the monitor.

2. Press and hold the stand-release button.

(No.1~4 screw size=M4x11; Torque=11±1kgfxcm)

Use a Philips-head screwdriver to remove 4pcs

screws for unlocking mechanisms. Remove DP cap.

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.

Use a Philips-head screwdriver to remove 2pcs screw

for unlocking the USB board, then tear off all the tapes

and release the joystick cable.

(No.1~2 screw size=M2x3.3, Torque=1±0.2kgfxcm)

(No.1~2 screw size=M2x3.3,Torque=1±0.2kgfxcm)

Tear off 2pcs tape, then disconnect the LED cable

away from the connector of the interface board. Use

a Philips-head screwdriver to remove 2pcs screws

for unlocking the middle frame and front frame.

5. Disassembly and Assembly Procedures

S10

S11

S12

Use a Philips-head screwdriver to remove 6pcs

screws for unlocking the two speakers away from

middle frame.

(No.1~6 screw size=M3x6, Torque=3~5kgfxcm)

Tear off 1pcs tape, then disconnect the speaker cable

away from the board, then release the speakers from

the probers of the middle frame. Disconnect the panel

lamp cable away from the connectors of the main

board and panel, then release the panel lamp cables

from the hooks of the middle frame.

Use a Philips-head screwdriver to remove 4pcs

screws for unlocking the camera module with the

middle bezel, then disconnect the camera cable from

the connector.

(No.1~2 Screw size= M3x8, Torque=4±1kgfxcm;

No.3~4 Screw size= M3x4, Torque=5±1kgfxcm)

(No.1 screw size=M3x3.5, Torque=4 0.5 kgfxcm)±

Use a Philips-head screwdriver to remove 1pcs

screw for unlocking the USB board, then disconnect

the USB cable and touch cable away from the

connectors of main board. Release the USB board

away from the hook of the middle frame.

Use a Philips-head screwdriver to remove 4pcs

screws for unlocking the bracket chassis with the

panel, then disconnect the Mic cable away from the

connector of the main board.

(No.1~4 Screw size=M3x4, Torque=5±1kgfxcm )

Tear off 1pcs tape and disconnect the eDP cable

away from the connector of the panel, then lift up

and take away the chassis and put it aside.

5. Disassembly and Assembly Procedures

S13

S15

S16

S14

S17

Lift up the middle bezel frame from the panel and put

it into a fixture, then tear off all the tape and mylar

tape for releasing the LED board away from the

middle frame.

Release the assembled camera unit from the

probers of the middle frame and put it aside for later

disassembling.

(No.1~18 screw size=M3x4,Torque=3±0.5kgfxcm)

Tear off 2pcs aluminum foil to release the Mic boards

Use a Philips-head screwdriver to remove 18pcs

screws for unlocking the middle frame with the panel.

Use a Philips-head screwdriver to remove 4pcs

screws for unlocking the left and right Mic boards

with the middle frame, then release the two Mic

boards away from the middle frame.

(No.1~4 screw size=M2x3.3,Torque=1±0.2kgfxcm)

621

6518

Release the touch key cable away from the panel,

then disassemble the front bezel with the panel, then

tear off the mylar tape and release the touch board.

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