Dell U4924dwb Ultrasharp 49 Inch Curved Usb-c Hub Monitor User Manual (+ PDF)

Home » Blog » Dell U4924dwb Ultrasharp 49 Inch Curved Usb-c Hub Monitor User Manual

Contents hide

1 U4924DWB UltraSharp 49 Inch Curved USB-C Hub Monitor

2 Product Information:

3 Product Usage Instructions:

4 Documents / Resources

U4924DWB UltraSharp 49 Inch Curved USB-C Hub Monitor

Product Information:

Product Name: DELL U4924DWB

Model Number: U4924DWB

Product Type: Monitor

Product Usage Instructions:

Turn off the power of the monitor.
To remove the stand:
1. Use hands or a bar scraper to disassemble the rear cover from
  the middle frame.
2. Place the U4924DW monitor on the U4919DW curve sponge jig.
3. Press and hold the stand release button at the back of the
  display.
4. Follow the disassembly order: Left Side/Right Side => Top
  Side => Bottom Side.
5. Lift the stand assembly up and away from the monitor.
Unplug CTRL BD FFC from I/F BD to take off the rear cover.
Tear off LBL USB from the front bezel of the panel gently.
Unlock 8 screws on the rear cover.
Tear off a tape from the rear cover and tear off CTRL BD FFC
from the rear cover.
Unlock 3 screws to disassemble CTRL BD from the rear
cover.
Tear off a mylar from CTRL BD.
Tear off a tape from WIRE 12/12P and unplug it from I/F
BD.
Unplug speaker wire from I/F BD and tear off 7 tapes from the
speaker wire.
Unlock 8 screws to disassemble the speaker from the middle
frame.
Press up on the USB BD module to let it slide down.
Tear off tapes from USB BD wires and I/F BD.
Unplug the following USB BD wires from I/F BD.
Disassemble 2 springs from the middle frame.
Unplug 2 LED Driver BD to Panel wires from LED Driver BD.
Unlock 7 screws to disassemble Main SHD.
Unlock 4 screws to disassemble USB BD module from the middle
frame.
Take off USB BD Module from the middle frame.
Tear off yellow tape and acetate tape from WIRE COAX EDP 60P
and unplug WIRE COAX EDP 60P from the panel.
Take off Main SHD from the panel.
Unlock 22 screws to disassemble the middle frame and
disassemble the middle frame from the panel.
Disassemble COVER QAP B from COVER QAP-F.
Disassemble 7 panel boss from the panel.
Unlock 2 screws to disassemble USB BD.
Tear off two tapes from LED Driver BD to Panel wires and unplug
2 LED Driver BD to Panel wires from the panel.
Disassemble USB BD from COVER QAP-F.
Tear off the logo from the panel.
Tear off 2 tapes from USB BD and USB wires as shown in the
picture.
Disassemble Mylar from Main SHD.
Unplug the following wires from USB BD:
- WIRE 12/12P
- WIRE COAX USB3 G2 40P
- WIRE COAX USB3 G2 20P
Unlock 10 PCBA screws and disassemble LED Driver BD from Main
SHD. Unplug LED Driver BD to I/F BD wire from LED Driver BD.
Disassemble I/F BD from Main SHD.
Unplug LED Driver BD to I/F BD wire and SPS BD to I/F BD wire
from I/F BD.
Unplug WIRE COAX EDP 60P from I/F BD and tear off a tape from
WIRE COAX EDP 60P.
Unplug SPS BD to I/F BD wire and WIRE AC+3/3P from SPS BD, then
disassemble SPS BD from Main SHD. Unlock a screw and disassemble
WIRE AC+3/3P from Main SHD.
Remove electrolyte capacitors (red mark) from printed circuit
boards:
1. Cut the glue between bulk cap. and PCB with a knife. Ensure
  cutting path within the glue, don’t touch bulk cap. or PCB.
2. Take out bulk cap. pin solder with a soldering iron and
  absorber.
3. Lift the bulk cap. up and away from the PCB.

View Fullscreen

DELL U4924DWB 1

1. Disassembly Procedures

S1 Turn off power S2 To remove the stand:

Use hands or Bar Scraper to disassemble Rear Cover from Middle

Frame

Place U4924DW monitor on U4919DW curve sponge jig
Press and hold the stand release button at the back of the display.

Notice the disassembly order:
Left Side/ Right Side=>Top Side=> Bottom Side

Lift the stand assembly up and away from the monitor

Unplug “CTRL BD FFC” from I/F BD to take off Rear Cover

Tear off ” LBL USB” from the front bezel of panel gently

S4 Unlock 8 screws on Rear Cover

Tear off a tape from Rear Cover Tear off “CTRL BD FFC” from Rear

Cover

Unlock 3 screws to disassemble “CTRL BD” from Rear Cover

(Screw Torque: 8-10 Kgf)

(Screw Torque: 2.0+0.5 Kgf)

S8 Tear off a mylar from CTRL BD

DELL U4924DWB 2

S11

Tear off a tape from “WIRE 12/12P” and unplug it from I/F BD

S9 Unplug speaker wire from I/F BD Tear off 7 tapes from speaker wire.
Unlock 8 screws to disassemble speaker from Middle Frame

(Screw Torque: 5~6 Kgf)

S10

Press up on the USB BD module to let it slide down.

S12

Tear off tapes from USB BD wires and I/F BD

S13

Unplug following USB BD wires from I/F BD

DELL U4924DWB 3

S14

Disassemble 2 springs from Middle Frame

S17

Unplug 2 “LED Driver BD to Panel wires” from LED Driver BD

S18

Unlock 7 screws to disassemble Main SHD

S15

Unlock 4 screws to disassemble USB BD module from Middle Frame

(Screw Torque: 3.5~4.0 Kgf)

S16

Take off USB BD Module from Middle Frame

(Screw Torque: 4.5±0.5 Kgf)

S19

Tear off yellow tape and acetate tape from “WIRE COAX EDP 60P”

Unplug “WIRE COAX EDP 60P” from Panel

Take off Main SHD from panel

DELL U4924DWB 4

S20

Unlock 22 screws to disassemble Middle Frame

Disassemble Middle Frame from panel.

S24

Disassemble “COVER QAP B” from “COVER QAP-F”

(Screw Torque: 3.5~4.0 Kgf) S21 Disassemble 7 panel boss from panel.

S25

Unlock 2 screws to disassemble USB BD

S22

Tear off two tapes from “”LED Driver BD to Panel wires”

Tear off 2 Mylar from the connectors (See red mark)

Unplug 2 “LED Driver BD to Panel wires” from panel

(Screw Torque: 4.0-4.5 Kgf)

S26

Disassemble USB BD from “COVER QAP-F”

S23 Tear off logo from panel

DELL U4924DWB 5

S27

Tear off 2 tapes from USB BD and USB wires as picture shown

S29 Disassemble Mylar from Main SHD

S28 Unplug following wires from USB BD
a. WIRE 12/12P b. WIRE COAX USB3 G2 40P c. WIRE COAX USB3 G2 20P

S30 Unlock 10 PCBA screws Disassemble LED Driver BD from Main SHD. Unplug “LED Driver BD to I/F BD wire” from LED Driver BD
S31 Disassemble I/F BD from Main SHD.

S32

Unplug “LED Driver BD to I/F BD wire” and “SPS BD to I/F BD wire” from I/F

BD.

DELL U4924DWB 6

S34

Unplug “WIRE COAX EDP 60P” from I/F BD

S33

Tear off a tape from “WIRE COAX EDP 60P”

S35

Unplug “SPS BD to I/F BD wire” and “WIRE AC+3/3P” from SPS BD, then,

disassemble SPS BD from Main SHD

Unlock a screw and disassemble “WIRE AC+3/3P” from Main SHD

DELL U4924DWB 7 S36 Remove electrolyte capacitors (red mark) from printed circuit boards
S36-1 Cut the glue between bulk cap. and PCB with a knife
S36-2 Ensure cutting path within the glue, don’t touch bulk cap. or PCB

DELL U4924DWB 8 S36-3 Take out bulk cap. pin solder with soldering iron and absorber
S36-4 Lift the bulk cap. up and away from the PCB

DELL U4924DWB 9

2. Product material information The following substances, preparations, or components should be disposed of or recovered separately from other WEEE in compliance with Article 4 of EU Council Directive 75/442/EEC.

Capacitors / condensers (containing PCB/PCT) Mercury containing components Batteries Printed circuit boards (with a surface greater than 10 square cm)
Component contain toner, ink and liquids Plastic containing BFR Component and waste contain asbestos CRT Component contain CFC, HCFC, HFC and HC Gas discharge lamps LCD display > 100 cm2
External electric cable Component contain refractory ceramic fibers Component contain radio-active substances Electrolyte capacitors (height > 25mm, diameter > 25mm)

No used
No used No used Product has printed circuit boards (with a surface greater than 10 square cm) No used No used No used No used No used
No used Product has an LCD greater than 100 cm2 Product has external cables No used No used Product has electrolyte capacitors (height >25mm, diameter > 25mm)

3. Tools 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:

– Philips-head Screwdriver – Penknife – Bar scraper – U4919DW curve sponge jig