DELL U3224KB UltraSharp 32 Inch 6K Monitor User Manual
- June 12, 2024
- Dell
Table of Contents
DELL U3224KB UltraSharp 32 Inch 6K Monitor
Product Information
The product in question is the DELL U3224KB monitor. It is a display device with various components that can be disassembled for maintenance or repairs. The disassembly procedures involve removing different parts of the monitor, such as the rear cover, stand, key board, wire and USB unit, middle frame, fans, main bracket, bracket cover, front bezel, LED board, touch board, sensor board, EDP cables, and electrolyte capacitors.
Product Usage Instructions
To disassemble the DELL U3224KB monitor, follow these steps:
- Turn off the power and unplug the external cables (power cable and video cable) from the monitor.
- Tear off the screen protector.
- 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. Press the middle bezel with one hand and pull up the rear cover in the order indicated by the arrows to unlock it.
- Lift the rear cover carefully and disconnect the joystick key cable from the connector of the interface board. Set aside the rear cover for later disassembling.
- Remove the stand from the product by pressing the stand release button, lifting the stand up and away from the monitor.
- Use a Philips-head screwdriver to remove 2 screws for unlocking the key board. Tear off the tapes and release the key board.
- Place the monitor on a protective cushion and tear off 5 pieces of aluminum foil. Use a Philips-head screwdriver to remove 5 screws for unlocking the wire and USB unit with the bracket and middle frame. Disconnect USB wires and remove the USB unit.
- Tear off 1 piece of mylar tape. Use a Philips-head screwdriver to remove 5 screws for unlocking the wire and USB unit with the bracket and middle frame. Disconnect USB wires and remove the USB unit.
- Disconnect the DMIC wire from the connector of the main board. Lift up and take away the middle frame with the front bezel.
- Use a Philips-head screwdriver to remove 16 screws for unlocking the middle frame with the panel. Tear off 3 tapes and disconnect fans’ wire and touch wire from the connectors. Remove the fan from the hook of the middle frame.
- Use a screwdriver to remove 4 screws for unlocking the main bracket with the panel. Use a Philips-head screwdriver to remove 4 screws for unlocking the bracket cover. Remove the bracket cover.
- Release the front bezel away from the middle frame. Place the front bezel on a protective cushion and tear off the black mylar tape. Release the LED board from the hooks of the front bezel. Release the touch board from the front bezel by tearing off the tape.
- Tear off the black mylar tape from the hooks of the main bracket.
- Disconnect the sensor cable and two panel lamp cables from the connectors of the main board. Release the sensor board from the back of the panel by tearing off the tape.
- Lift up the main bracket and disconnect the two EDP cables from the connector of the panel. Put aside the main bracket.
- Remove electrolyte capacitors (red mark) from printed circuit boards.
- Take out bulk cap pin solder with a soldering iron and absorber.
- Cut the glue between the bulk cap and PCB with a knife.
These instructions should be followed carefully to avoid any damage to the monitor or its components. It is recommended to seek professional assistance if unsure about any step in the disassembly process.
Disassembly Procedures
-
Turn off power.
-
Unplug external cables(power cable and video cable) from the monitor.
-
Remove stand from the product.(Press the stand release button, lift the stand up and away from the monitor)
-
Put the monitor on a protective cushion, then use a Philips-head screwdriver to remove 4pcs screws for unlocking mechanisms. Remove DP caps.
(No.1~4 screw size=M4x11; Torque=11±1kgfxcm) -
Tear off screen protector, then 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 the rear cover in order of arrow preference for unlocking the rear cover
-
Lift the rear cover up carefully. Disconnect the joystick key cable from the connector of the interface board, and then remove the rear cover and put it aside for later disassembling.
-
Use a Philips-head screwdriver to remove 2pcs screw for unlocking the key board, then tear off the tapes and release the key board.
(No.1~2 screw size=M2x3.3, Torque=0.8~1kgfxcm) -
Tear off 5pcs aluminum foil, then use a Philips-head screwdriver to remove 2pcs screws for unlocking the fan’s cover.
(No.1~2 screw size=M3x6, Torque=4±1kgfxcm) -
Tear off 1pcs mylar tape, then use a Philips-head screwdriver to remove 5pcs screw for unlocking the wire and USB unit with the bracket and middle frame, then disconnect USB wires and remove the USB unit.
(No.1 screw size=M3x6, Torque=5±1kgfxcm;
No.2~5 screw size=M3x4, Torque=3.5±0.5kgfxcm) -
Tear off 2pcs tapes, then disassemble the USB hub cover away from the USB unit. Use a Philips-head screwdriver to remove 1pcs screws for unlocking the USB unit and wire with the bracket, then release the USB board away from the bracket.
(No.1 screw size=M3x5, Torque=4±0.5kgfxcm)
-
Tear off 2pcs tape, then disconnect the speakers’ wire from the connector of the board. Use a Philipshead screwdriver to remove 8pcs screws for unlocking the two speakers, then remove the two speakers from the hooks of the middle frame.
(No.1~8 screw size=M3x8; Torque=6±1kgfxcm) -
Tear off 2pcs aluminum foil and 2pcs mylar tape and disconnect FFC cable away from the main board, then use a Philips-head screwdriver to remove 4pcs screws for unlocking the camera unit.
(No.1~4 Screw size= M3x4.5, Torque=5±0.5kgfxcm) -
Tear off 1pcs aluminum foil for uncovering the fan, then use a Philips-head screwdriver to remove 3pcs screws for unlocking the fan with the unit.
(No.17~19 screw size=M3x4.5, Torque=5±0.5kgfxcm) -
Use a Philips-head screwdriver to remove 16pcs screws for unlocking the middle frame with the panel, then tear off 3pcs tapes and disconnect fans’ wire and touch wire from the connectors, and then remove the fan from the hook of the middle frame.
(No.1~16 screw size=M3x5, Torque=5±0.5kgfxcm) -
Use the screwdriver to remove 4pcs screws for unlocking the main bracket with the panel. Use a Philips-head screwdriver to remove 4pcs screws for unlocking the bracket cover, and then remove the bracket cover and put it aside.
(No.1~8 Screw size= M3x4, Torque=5±0.5kgfxcm) -
Disconnect the DMIC wire away from the connector of the main board, then lift up and take away the middle frame with front bezel.
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Tear off all the tapes for releasing the LED wire and touch wire, then tear off 2pcs rubber pads. Use a Philips-head screwdriver to remove 4pcs screws for unlocking the left and right DMic boards, then tear off the left and right DMIC boards from the middle frame.
(No.1~4 screw size=M2x2.4, Torque=1±0.2kgfxcm)
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Release the front bezel away from the middle frame, and put the front bezel on a protective cushion, then tear off the black mylar tape and release LED board from the hooks of the front bezel, then release the touch board from front bezel by tearing off the tape.
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Put the front bezel on a protective cushion, then tear off the black mylar tape and release LED board from the hooks of the front bezel, then release the touch board away from front bezel by tearing off the tape.
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Disconnect the sensor cable and two panel lamp cables away from the connectors of main board, then release the sensor board away from the back of panel by tearing off the tape.
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lift up the main bracket and then disconnect the two EDP cables away from the connector of the panel, then take away the main bracket and put it aside.
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Release the Mylar tape from the hooks of the main bracket.
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Use a Philips-head screwdriver to remove 10pcs screws for main board and power board, then disconnect the power switch wire from power board.
(No.1 screw size=M4x8, Torque=7±1kgfxcm; No.2~10 screw size=M3x7.5, Torque=7±1kgfxcm) -
Remove the power board and main board with TBT board from the main bracket, and then disconnect all of the cables. Release the AC power switch from bracket. Use a Philips-head screwdriver to remove 3pcs screws for unlocking the TBT board.
(No.1~3 screw size=M3x7.5, Torque=6±0.5kgfxcm)
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Remove electrolyte capacitors (red mark) from printed circuit boards. S25-1 Cut the glue between bulk cap. and PCB with a knife. S25-2 Ensure cutting path within the glue, don’t touch bulk cap. or PCB. S25-3 Cut into the bottom of bulk cap. and pullit up carefully. S25-4 Take out bulk cap. pin solder with soldering iron and absorber. S25-5 Lift the bulk cap. up and away from the PCB.
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.
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:
- Screwdriver (Phillip head) #1
- Screwdriver (Phillip head) #2
- Penknife
- Soldering iron and absorber
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