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Safety instructions Use the following safety guidelines to protect your monitor from potential damage and to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that you have read the safety information that shipped with your monitor.
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Disassembly and reassembly CAUTION: The information in this section is intended for authorized service technicians in the EMEA region. Dell prohibits users from disassembling the monitor, and any damage caused by unauthorized servicing will not be covered under the warranty.
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Stand Removing the stand Prerequisites Follow the procedure in Before working inside your monitor. CAUTION: To prevent scratches on the screen when removing the stand, ensure that the monitor is placed on a soft surface and handle it carefully. CAUTION: The following steps are specifically for removing the stand that is shipped with your monitor. If you are removing a stand that you purchased from any other source, follow the setup instructions that are included with the stand.
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Installing the stand Figure 2. Installing the stand Steps Align and insert the stand riser into the stand base until it snaps into place. 2. Open the screw handle at the bottom of the stand base and turn it clockwise to secure the stand assembly. Close the screw handle.
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Back cover Removing the back cover Prerequisites Follow the procedure in Before working inside your monitor. 2. Remove the stand. Figure 3. Removing the back cover Steps Remove the four screws (M4x11) that secure the back cover to the display assembly. 2.
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Installing the back cover Figure 4. Installing the back cover Steps Connect the backlight cable to the connector on the main board. 2. Adhere the tape to the back light cable on the main chassis. Connect the joystick cable and USB cable to the connector on the main board. Align the slots on the back cover with the slots on the chassis, then press along the sides to snap the back cover into place.
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Backlight module Removing the backlight module Prerequisites Follow the procedure in Before working inside your monitor. 2. Remove the stand. Remove the back cover. Figure 5. Removing the backlight module Steps Peel the shading tape that secures the backlight module to the back cover. 2.
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Installing the backlight module Figure 6. Installing the backlight module Steps Peel the release paper of the double-sided tape on the backlight board and adhere the backlight board to the light guide plate (LGP). 2. Replace the two screws (M2x3.8) that secure the backlight to the LGP. Connect the light cable to the backlight board.
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USB board Removing the USB board Prerequisites Follow the procedure in Before working inside your monitor. 2. Remove the stand. Remove the back cover. Remove the backlight module. Figure 7. Removing the USB board Steps Peel the foam from the back of the USB board. 2.
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Installing the USB board Figure 8. Installing the USB board Steps Connect the USB cable to the USB board and close the latch. 2. Align the screw hole on the USB board with the screw hole on the back cover. Replace the screw (M3x6) that secures the USB board to the back cover.
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Joystick board Removing the joystick board Prerequisites Follow the procedure in Before working inside your monitor. 2. Remove the stand. Remove the back cover. Remove the backlight module. Remove the board. Figure 9. Removing the joystick board Steps Remove the two screws (M3x6) that secure the joystick board to the back cover. 2.
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Installing the joystick board Figure 10. Installing the joystick board Steps Attach the joystick cap to the joystick board. 2. Reattach the joystick board to the holder. Replace the two screws (M3x6) that secure the joystick board to the back cover. Adhere the joystick cable to the back cover.
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Main chassis Removing the main chassis Prerequisites Follow the procedure in Before working inside your monitor. 2. Remove the stand. Remove the back cover. Remove the backlight module. Remove the board. Remove the joystick board. Figure 11. Removing the main chassis Steps Peel the tape and disconnect the keypad cable from the main board.
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Installing the main chassis Figure 12. Installing the main chassis Steps Lift the main chassis and connect the LVDS cable, FFC cable and power connective to the connectors on the display panel. 2. Align the screw holes on the main chassis with the screw holes on the display panel. Replace the four screws (M3x4) that secure the main chassis to the display panel.
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Middle frame Removing the middle frame Prerequisites Follow the procedure in Before working inside your monitor. 2. Remove the stand. Remove the back cover. Remove the backlight module. Remove the board. Remove the joystick board. Remove the main chassis. Figure 13. Removing the middle frame Steps Remove the 20 screws (M3x5) that secure the middle frame to the display panel.
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Installing the middle frame Figure 14. Installing the middle frame Steps Align the screw holes of the middle frame with the screw holes on the display panel and place it down. 2. Replace the 20 screws (M3x5) that secure the middle frame to the display panel. Adhere the keypad cable on the back of display panel.
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Keypad board Removing the keypad board Prerequisites Follow the procedure in Before working inside your monitor. 2. Remove the stand. Remove the back cover. Remove the backlight module. Remove the board. Remove the joystick board. Remove the main chassis. Remove the middle frame.
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Installing the keypad board Figure 16. Installing the keypad board Steps Align the screw holes of the keypad with the holes on the middle frame and place it down. 2. Replace the two screws (M2x2.4) that secure the keypad board to the middle frame. Adhere the aluminum foil on the keypad board.
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Front trim Removing the front trim Prerequisites Follow the procedure in Before working inside your monitor. 2. Remove the stand. Remove the back cover. Remove the backlight module. Remove the board. Remove the joystick board. Remove the main chassis. Remove the middle frame.
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Installing the front trim Figure 18. Installing the front trim Steps Lift the display panel and replace the front trim with the bottom side of the display panel. Next steps Install the keypad board. 2. Install the middle frame. Install the main chassis.
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Main board Removing the main board Prerequisites Follow the procedure in Before working inside your monitor. 2. Remove the stand. Remove the back cover. Remove the backlight module. Remove the board. Remove the joystick board. Remove the main chassis. Remove the middle frame.
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Installing the main board Figure 20. Installing the main board Steps Connect the FFC cable and LVDS cable to the connectors on the main board. 2. Connect the power connective cable to the main board and place the main board to the main chassis. Replace the four screws (M3x6) that secure the main board to the main chassis.
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Power board Removing the power board Prerequisites Follow the procedure in Before working inside your monitor. 2. Remove the stand. Remove the back cover. Remove the backlight module. Remove the board. Remove the joystick board. Remove the main chassis. Remove the middle frame.
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Installing the power board Figure 22. Installing the power board Steps Replace the AC switch module to the main chassis. 2. Replace the screw (M4x8) that secures the grounding wire to the main chassis. Connect the AC switch cable to the connector on the power board Align the screw holes on power board with the screw holes on the main chassis and place it down.
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Removing the fan Prerequisites Follow the procedure in Before working inside your monitor. 2. Remove the stand. Remove the back cover. Remove the backlight module. Remove the board. Remove the joystick board. Remove the main chassis. Remove the middle frame. Remove the keypad board.
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Installing the fan Figure 24. Installing the fan Steps Align the screw holes on the fan with the screw holes on the chassis and place it down. 2. Replace the two screws (M3x6) that secure the fan to the chassis. Next steps Install the power...
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Contacting Dell To contact Dell for sales, technical support, or customer service issues, see www.dell.com/contactdell. NOTE: Availability varies by country and product, and some services may not be available in your country. NOTE: If you do not have an active Internet connection, you can find contact information about your purchase invoice, packing...
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