Asus VG279Q3A Service Manual
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Monitor Service Manual
Model: VG279Q3A
Version no.V00
Release date: Oct.31,2023

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Summary of Contents for Asus VG279Q3A

  • Page 1 Monitor Service Manual Model: VG279Q3A Version no.V00 Release date: Oct.31,2023...
  • Page 2 ASUS will only be responsible for or indemnify you for loss, damages or claims based in contract, tort or infringement under this Warranty Statement. This limit also applies to ASUS’ suppliers and its reseller. It is the maximum for which ASUS, its suppliers, and your reseller are collectively responsible.
  • Page 3 Table of Contents 1. Safety Precautions ........................ 4 2. Exploded View ........................5 3. Disassembly and Assembly Procedures ................6 4. Trouble Shooting ........................ 19...
  • Page 4: Safety Precautions

    1. Safety Precautions Safety information  Before setting up the monitor, carefully read all the documentation that came with the package.  To prevent fire or shock hazard, never expose the monitor to rain or moisture.  Never try to open the monitor cabinet. The dangerous high voltages inside the monitor may result in serious physical injury.
  • Page 5: Exploded View

    2. Exploded View ASUS Description MIDDLE_FRAME REAR_COVER LENS MAINFRAME STAND ASSY BASSE ASSY PANEL POWER BOARD MAIN BOARD SPEAKER SPEAKER SCREW M3 4 SCREW D3 6 SCREW M4 6 SCREW M4 8 SCREW Q3 6 SCREW P3 6...
  • Page 6: Disassembly And Assembly Procedures

    3. Disassembly and Assembly Procedures 3.1 Precaution Please read the precautions as follows to prevent any damages to the LCD Monitor. Make sure all power connection is removed. Be sure that the LCD Monitor is in power off status. Prepare soft cloth and sponge as working platform to place LCD monitor horizontally.
  • Page 7: Disassembly Procedure

    3.3. Disassembly Procedure 3.3.1 Stand Subsystem 1. Release the screws to remove the stand-base ass’y. Description Q’ty Screw Torque Picture &Spec Screw 12±2kgf.cm   M4*8 STAND_ASS’Y BASE_ASS’Y...
  • Page 8 3.3.2 Main Subsystem 1. Use disassembly tool to open all the latches along the edge of the Rear Cover. (Note: Start to open the latches from bottom. Please operate in sequence as below until separate the panel from rear cover. Don’t damage the key board.)...
  • Page 9 MAIN_FRAME Disconnect the connectors. Take off the tape and the Mylar to 1. Tear up the tapes and the aluminum foil. remove the mainframe.  ...
  • Page 10            ...
  • Page 11 Main Board and Power Board 1. Unscrew the screws marked in blue, red and purple. Description Q’ty Screw Torque Picture &Spec Screw 6±1kgf.cm Screw 6±1kgf.cm       2. Turn over the Main Board and the Power Board, disconnect the cables.  ...
  • Page 12 3.3.3 Panel 1. Release screws marked in red to separate the panel & the middle frame. Description Q’ty Screw Torque Picture &Spec Screw 3±0.5kgf.cm    ...
  • Page 13 3.4 Assembly Procedure Main Subsystem 3.4.1 Main Board and Power Board Prepare a main board, a power board and some essential cables. Connect every cable as the below picture. Description Q’ty Screw Torque Picture &Spec Screw 6±1kgf.cm Screw 6±1kgf.cm    ...
  • Page 14 3.4.2 Panel 1. Prepare the panel and the middle frame. Use a screwdriver to tighten the screws. Description Q’ty Screw Torque Picture &Spec Screw 3±0.5kgf.cm    ...
  • Page 15 Paste the Mylar and the tapes. Connect cables (mainboard to panel and the power board to panel).        ...
  • Page 16   Prepare a rear cover and a key board and use the screws to lock the key board. Assemble the speaker. Description Q’ty Screw Torque Picture &Spec Screw 4±1kgf.cm    ...
  • Page 17 Connect the pin (LED board / Key board) and the pin (Key board to mainboard). Use the screws to lock the rear cover. 3.4.3 Stand Subsystem Assemble the stand-base assy.
  • Page 18 Description Q’ty Screw Torque Picture &Spec Screw 12±2kgf.cm...
  • Page 19: Trouble Shooting

    4. Trouble Shooting...

Table of Contents