Dell U3223QE Monitor Simplified Service Manual
Dell U3223QE Manual
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Dell U3223QE manual content summary:
- Dell U3223QE | Monitor Simplified Service Manual - Page 1
Service Manual - U2723QE/U3023E/U3223QE Version: 01 Date: 2021/11/30 - Dell U3223QE | Monitor Simplified Service Manual - Page 2
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 - Dell U3223QE | Monitor Simplified Service Manual - Page 3
/U3223QE only) USB-C 1.0 M cable (C to C) (U2723QE/U3223QE only 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 - Dell U3223QE | Monitor Simplified Service Manual - Page 4
3. Wiring Connectivity Diagram U2723QE&U3223QE Panel 3840*2160 HDR400 Power BD AC In Interface Board HDMI2.0 In HDMI DP1.4 In DP1 Type-C1 USBC1 DP1.4 out DP2 LOUT 1 Line-out - Dell U3223QE | Monitor Simplified Service Manual - Page 5
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. Connecting the HDMI Cable (optional) Connecting the DP Cable - Dell U3223QE | Monitor Simplified Service Manual - Page 6
4. How to connect and disconnect power cable/ connectivity cable Connecting the monitor for DP Multi-Stream Transport (MST) function Connecting the USB-C Cable (A to C) Connecting the USB-C Cable (C to C) - Dell U3223QE | Monitor Simplified Service Manual - Page 7
4. How to connect and disconnect power cable/ connectivity cable Connecting the Monitor for USB-C Multi-Stream Transport (MST) Function Connecting the Monitor for RJ45 Cable (optional) - Dell U3223QE | Monitor Simplified Service Manual - Page 8
for other regions. Please note that Dell will deem warranty void if any disassembly is done on the monitors. Tool Required: List the type and Soldering iron and absorber 4.1 Disassembly Procedures(U3223QE for example): Remove the monitor stand base: 1. Place the monitor on a soft cloth or cushion. - Dell U3223QE | Monitor Simplified Service Manual - Page 9
5. Disassembly and Assembly Procedures Use a Philips-head screwdriver to remove 18(13+5)pcs screws for unlocking the middle bezel S8 with the panel module. (No.1~13 screw size=M3x5, Torque=5±0.5kgfxcm; No.13~18 screw size=M3x4.5, Torque=5±0.5kgfxcm) 5 7 8 11 2 10 1 9 64 13 3 12 15 17 - Dell U3223QE | Monitor Simplified Service Manual - Page 10
5. Disassembly and Assembly Procedures Take away the bracket chassis module and then put S14 the bracket chassis module on a protective cushion. Remove the power board board and interface S17 board from the bracket chassis module carefully, and then disconnect all of the cables. Release the panel - Dell U3223QE | Monitor Simplified Service Manual - Page 11
5. Disassembly and Assembly Procedures 5.1 Assembly Procedures: Place a bracket chassis base on a protective S1 cushion, then stick 4pcs Silicon sheets on the positions as the picture below shown. Take a black mylar to insert the hooks of the bracket to cover the power board, then tear off the gum - Dell U3223QE | Monitor Simplified Service Manual - Page 12
5. Disassembly and Assembly Procedures Move the middle bezel with the LED board close to S9 the panel unit, then assemble the middle bezel with the front bezel and panel module. Adjust the bracket chassis module, and then use a Philips-head screwdriver to tighten 4pcs screws for S7 locking the - Dell U3223QE | Monitor Simplified Service Manual - Page 13
5. Disassembly and Assembly Procedures Take 1pcs USB board, 2pcs cables and 1pcs conductive foam. Connect the 2pcs cables to the connectors of the Usb board, then turn over the board and paste the conductive foam on the back of the USB board, and then locate the USB board into S13 the correct - Dell U3223QE | Monitor Simplified Service Manual - Page 14
positions, then insert 2pcs DP out Caps into the DP out connectors. (No.1~4 screw size=M4x11; Torque=11±1kgfxcm) 2 3 4 1 Take a stand base close to the monitor. Fit the two tabs on the upper part of the stand into the grooves, S18 and then lower the stand so that the - Dell U3223QE | Monitor Simplified Service Manual - Page 15
6. Trouble Shooting Instructions Self-Test Your monitor provides a self-test feature that allows you to check whether your monitor is functioning properly. If your monitor and computer are properly connected but the monitor screen remains dark, run the monitor self-test by performing the following - Dell U3223QE | Monitor Simplified Service Manual - Page 16
6. Trouble Shooting Instructions Built-in diagnostics Your monitor has a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with your monitor, or with your computer and video card. UltraSharp 30/27/32 Monitor Brightness/Contrast - Dell U3223QE | Monitor Simplified Service Manual - Page 17
information on Dell Monitor Quality and PixelPolicy, see Dell Support site at: https://www.dell.com/pixelguidelines. Picture too dim • Reset the monitor to factory settings. or too bright • Adjust brightness and contrast controls via OSD. Visible signs of • Do not perform any troubleshooting steps - Dell U3223QE | Monitor Simplified Service Manual - Page 18
6. Trouble Shooting Instructions Common symptoms What you experience Possible solutions Intermittent Problems Monitor • Ensure that the video cable connecting the malfunctions on monitor to the computer is connected properly & off and is secure. • Reset the monitor to factory settings. • - Dell U3223QE | Monitor Simplified Service Manual - Page 19
6. Trouble Shooting Instructions Product specific problems Problem Screen image is too small Cannot adjust the monitor with the the latest graphics card driver. • Some DP 1.1a graphics card cannot support DP 1.4 monitors. Go to OSD menu, under Input Source selection, press and hold DP select - Dell U3223QE | Monitor Simplified Service Manual - Page 20
Trouble Shooting Instructions Problem that the USB-C cable is not damaged. • Verify if the device can support one of 5 V/9 V/ 15 V/20 V charging profiles. • Verify of device is over 90 W. • Ensure that you use only Dell approved adapter or the adapter that comes with the product. • Ensure - Dell U3223QE | Monitor Simplified Service Manual - Page 21
6. Trouble Shooting Instructions Problem What you experience Possible solutions The LAN 2560 x 1600 • Switch PC that supported DP1.4 mode in DP1.2 @ 60Hz when (DSC Disable) set MST On and USB-C Prioritization (High Data Speed) U3023E connected as 3rd monitor cannot set to 2560 x 1600 @ - Dell U3223QE | Monitor Simplified Service Manual - Page 22
6. Trouble Shooting Instructions Problem What you experience Possible solutions U3023E connected as 3rd monitors displayed image at lower resolution in DP1.4 (DSC Enable) Three U3023E • Press "Windows" + "P" key, select "second monitors screen only" connected in • Goto Display setting, - Dell U3223QE | Monitor Simplified Service Manual - Page 23
Trouble Shooting Instructions Problem What you experience Possible solutions OSD lagging 2 or 3 monitors • Set Multi-Monitor Dell Display Manager (DDM) 2 or 3 monitors connected in daisy chain when MMS is On, some functions of the 2nd or 3rd monitors may not work on DDM • Set Multi-Monitor - Dell U3223QE | Monitor Simplified Service Manual - Page 24
6. Trouble Shooting Instructions Problem What you experience Possible solutions U3023E connected as 2nd monitor cannot set to 2560 x 1600 @ 60Hz in Daisy chain mode in DP1.4 (DSC Disable) Two monitors • Connect U3023E as 1st Monitor connected in Daisy chain, 1st monitor(nonDSC) and 2nd monitor - Dell U3223QE | Monitor Simplified Service Manual - Page 25
Trouble Shooting Instructions Problem What you experience Possible solutions 3 Soundbar unit not working when connected to 3 U3023E monitor 3 soundbars • USB Topology limitation to 2. unit connected • Connect 2 soundbar unit individually to 2 individually U3023E monitor to 3 U3023E monitor - Dell U3223QE | Monitor Simplified Service Manual - Page 26
6. Trouble Shooting Instructions Universal Serial Bus (USB) specific problems Specific symptoms What you experience Possible solutions USB interface is USB peripherals • Check that your display is turned ON. not working are not working • Reconnect
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Version: 01
Date: 2021/11/30
Service Manual - U2723QE/U3023E/U3223QE