Dell G3223Q Service Manual
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Dell G3223Q Service Manual

Dell G3223Q Service Manual

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Service Manual - G3223Q
Version: 01
Date: 2022/1/24

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Summary of Contents for Dell G3223Q

  • Page 1 Service Manual - G3223Q Version: 01 Date: 2022/1/24...

  • Page 2: Important Safety Notice

    1. Important Safety Notice Product Announcement: ! To ensure using a proper screwdriver, follow the This product is certificated to meet RoHS torque and force listed in assembly and Directive and Lead-Free produced definition. disassembly procedures to unscrew screws. Using approved critical components only is ! Using Lead-Free solder to well mounted the recommended when the situation to replace parts.
  • Page 3 HDMI 1.0 M cable NOTE: For replacement of power cord, connectivity cable and external power supply (if applicable), contact Dell: 1. Go to https://www.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.
  • Page 4 3. Wiring Connectivity Diagram...
  • 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.
  • Page 6 4. How to connect and disconnect power cable/ connectivity cable...

  • Page 7: Disassembly And Assembly Procedures

    Lift the one side of the rear cover up, and then This “Disassembly and Assembly Procedures” is for EMEA only, disconnect the USB FFC cable, joystick key cable not for other regions. Please note that Dell will deem warranty void back LED light bar cable from the connectors of if any disassembly is done on the monitors.
  • Page 8 5. Disassembly and Assembly Procedures Tear off all the balck mylar and tapes on the rear Tear off all the acetate tapes and aluminum foil for cover, release the LED lamp board with cable from releasing the panel lamp cable, then disconnect the the hooks of the reflector, then use a Philips-head two cables away from the panel connectors.
  • Page 9 5. Disassembly and Assembly Procedures Remove the mylar tape from the hooks of the Lift up the panel module and pull out the front bezel bracket. Use a Philips-head screwdriver to remove for releasing the front bezel. 7pcs screws for unlocking circuit board. (No.1 screw size=M4x8, Torque=6 kgfxcm;...
  • Page 10 5. Disassembly and Assembly Procedures 5.2 Assembly Procedures: Place a bracket chassis base on a protective cushion, then stick 2pcs Silicon sheet on the positions as the picture below shown. Panel preparation: Take out 1pcs panel module from the carton, remove the protective film by tearing off the tapes, then Examine the panel surface according to inspection criteria.
  • Page 11 5. Disassembly and Assembly Procedures Take 1pcs front bezel, lift up the panel module and then assemble the front bezel with the panel module unit. Use a Philips-head screwdriver to tighten 13pcs screws for locking the middle bezel with the panel module.
  • Page 12 5. Disassembly and Assembly Procedures reflector Take 1pcs LED lamp cable and 6pcs LED light boards, connect the cable to the 6pcs connectors of LED light board as the picture below shown. Take 1pcs joystick key board, plug key cable to the joystick key board, then locate the joystick key board to the specific position of the rear cover, then use a Locate the 6pcs LED light boards with cable into the...
  • Page 13 5. Disassembly and Assembly Procedures Take a stand base close to the monitor. Fit the two tabs on the upper part of the stand into the grooves on the back of the monitor, and then lower the stand so that the monitor mounting area snaps onto the stand. Paste 2pcs mylar tape to cover the two panel lamp...

  • Page 14: Troubleshooting Instructions

    LED remains white. Also, depending upon the selected input, one of the dialogs shown below will continuously scroll through the screen. Dell 32 Gaming Monitor No DP Cable The display will go into Standby Mode in 4 minutes.

  • Page 15: 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. Dell 32 Gaming Monitor Game Display Info Brightness/Contrast...

  • Page 16: Common Problems

    • Turn off the monitor and turn it on again. spots • Pixel that is permanently off is a natural defect that can occur in LCD technology. • For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at: www.dell.com/pixelguidelines. Stuck-on Pixels LCD screen has •...
  • Page 17 6. Trouble Shooting Instructions Common What You Possible Solutions Symptoms Experience Intermittent Monitor • Ensure that the video cable connecting the Problems malfunctions on monitor to the computer is connected properly & off and is secure. • Reset the monitor to factory settings. •...

  • Page 18: Product Specific Problems

    6. Trouble Shooting Instructions Product specific problems Problem What you Possible solutions experience Screen Image is centered on • Check the Aspect Ratio setting in the image is too screen, but does not Display menu OSD. small fill entire viewing area •...

  • Page 19: Universal Serial Bus (Usb) Specific Problems

    6. Trouble Shooting Instructions Universal Serial Bus (USB) specific problems Specific What You Possible Solutions Symptoms Experience USB interface is USB peripherals • Check that your display is turned ON. not working are not working • Reconnect the upstream cable to your computer.

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