Dell P2424HEB Manuale utente

Version: 01

Date: 2023/09/05

Service Manual - P2424HEB

Qualified Repairability:

! To prevent the product away from water or

expose in extremely high humility environment.

NOTICE:

! To ensure the continued reliability of this

product, use only original manufacturer’s

specified parts.

Product Announcement:

! 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.

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.

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.

! 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

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

NOTE:

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

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

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

3. Click Contact Us next to the country dropdown.

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

16 17 18 19

1 2 3 4 5 6 7 11 12

ItemDescriptionQ'tyRemark

11

ForEMEAOnly,notfor

otherregions

2

Power Board

1

41

Speaker

81

111

Main Chassis ASSY

Front Trim

Middle Frame

Webcam Module

Interface Board

1

151

Safety Mylar

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

Lens

USB Board

Micphone Board

Joystick Board

Base

USB-C Gen1 1.8 M cable (C to C)(For P2424HEB only)

3. Wiring Connectivity Diagram

AC In

PW R& LED

D river

Panel: 27 inch

1920*1080

U SB-C Up

DP1.4

HD M I1.4

HDCP1.4

DP In 1.2

HDCP 1.4

DP Ou t 1.2

HDCP1.4

4M RGB+IR camera

+TOF

Manual Shutter

USB

Down

Stream

USB

Down

Stream

LAN1

Speaker

2*5 W

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

phon e

USB Board

P2424HEB

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

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

5. Disassembly and Assembly Procedures

5.1 Disassembly Procedures:

- Screwdriver(Phillip head) #1

- Penknife

- Soldering iron and absorber

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) #2

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.

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

Remove the monitor stand base:

2. Press and hold the stand-release button.

Use a Philips-head screwdriver to remove 4pcs

screws for unlocking mechanisms. Remove DP cap.

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

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.

Lift the rear cover up carefully. 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.

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

Use a Philips-head screwdriver to remove 3pcs screw

for unlocking the joystick board, then tear off all the

tapes and release the joystick cable.

Tear off 2pcs aluminum foil and 4pcs acetate tape

for releasing the cables, then release the speaker’s

cables away from the hooks of the middle frame.

5. Disassembly and Assembly Procedures

S10

S11

S12

Tearing off 2pcs aluminum foil for releasing the

connector and cable. Use a Philips-head screwdriver

to remove 6pcs screws for unlocking the speakers

with middle frame.

(No.1~6 screw size=M3x6, Torque=4~5kgfxcm)

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.

No.3~4 Screw size= M3x8, Torque=6±0.5kgfxcm)

(No.1~2 Screw size= M3x3.5, Torque=3±0.5kgfxcm;

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.

Use a Philips-head screwdriver to remove 1pcs

screw for unlocking the USB unit with the middle

frame, then disconnect the two USB cables and Mic

cable away from the connectors of main board.

Release the USB board away from the hook of the

middle frame.

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

Use a Philips-head screwdriver to remove 4pcs

screws for unlocking the bracket chassis with the

panel, then disconnect the touch cable away from

the connector of the main board.

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

Disconnect the LVDS cable away from the connector

of the panel module, then lift up and take away the

bracket chassis and put it on a protective cushion.

5. Disassembly and Assembly Procedures

S13

S15

S16

S14

Lift up the middle bezel away from the pane module,

then put it on a cushion foam for later disassembling.

Release the assembled camera unit from the

probers of the middle frame and put it aside for later

disassembling.

No.12~13 screw size=M2x3.3,Torque=1±0.2kgfxcm)

Tear off 2pcs aluminum foil to release the Mic boards

Use a Philips-head screwdriver to remove 13pcs

screws for unlocking the middle frame with the panel.

(No.1~11 screw size=M3x4,Torque=3±0.5kgfxcm;

621

12 13

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

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.

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.

S17

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