Dell SE2725HG (DELL-SE2725HG) service manual

Contents

1. Safety instructionsp. 4

   Use the following safety guidelines to protect your monitor from potential damage and to ensure your personal safety. Unless otherwise noted, each procedure in…

2. Before working inside your monitorp. 5

   Steps 1. Save and close all open files and exit all running applications. 2. Turn off your monitor. 3. Disconnect your monitor and all attached devices from…

3. After working inside your monitorp. 5

   CAUTION: Leaving stray or loose screws inside your monitor may severely damage it. Steps 1. Replace all screws and ensure that no stray screws remain inside…

4. Views of SE2425HG/SE2725HG monitorp. 6

   Front view 1 Figure 1. Front view Table 1. Components and descriptions. Label Description Function 1 Power button (with LED indicator) Solid white light…

5. Front viewp. 6

   Figure 1. Front view Table 1. Components and descriptions. Label Description Function 1 Power button (with LED indicator) Solid white light indicates that the…

6. Back viewp. 7
7. Bottom viewp. 8

   2 3 4 5 6 Figure 3. Bottom view Table 3. Components and descriptions. Label Description Function 1 Security lock slot (based on Kensington Security Slot)…

8. Major components of SE2425HG/SE2725HG monitorp. 9

   The following image shows the major components of monitor. Figure 4. Major Components of SE2425HG/SE2725HG monitor Table 4. Major components. Callout…

9. Wiring connectivity diagramp. 10

   Figure 5. Wiring connectivity diagram Table 5. Wiring connectivity diagram Callout Description 1 Lightbar cable 2 T-CON cable 3 Low Voltage Differential…

10. Connecting your monitorp. 11

    WARNING: Before you begin any of the procedures in this section, follow the Safety instructions. WARNING: For your safety, be sure that the grounded power…

11. Disassembly and reassemblyp. 12

    CAUTION: The information in this section is intended for authorized service technicians in the EMEA region. Dell prohibits users from disassembling the…

12. Recommended toolsp. 12

    Tool Description: • Phillips screwdriver #0 • Phillips screwdriver #2 • Penknife

13. Screw listp. 12

    NOTE: When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and then place them in a screw storage box. This…

14. Standp. 13

    Removing the stand Prerequisites 1. Follow the procedure in Before working inside your monitor. Figure 8. Removing the stand Steps 1. Place the monitor on a…

15. Back coverp. 15

    Removing the back cover Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. Figure 10. Removing the back cover…

16. LED boardp. 17

    Removing the LED board Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. 3. Remove the back cover. Figure 12.…

17. Keypad boardp. 19

    Removing the keypad board Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. 3. Remove the back cover. 4. Remove…

18. Main chassisp. 21

    Removing the main chassis Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. 3. Remove the back cover. 4. Remove…

19. Main boardp. 25

    Removing the main board Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. 3. Remove the back cover. 4. Remove…

20. Power boardp. 27

    Removing the power board Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. 3. Remove the back cover. 4. Remove…

21. Troubleshootingp. 29
22. Self-testp. 29

    Your monitor includes a self-test feature that allows you to check whether it is functioning properly. If your monitor and computer are properly connected but…

23. Built-in diagnosticsp. 30

    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…

24. Common problemsp. 31

    The following table contains general information about common monitor problems that you might encounter and the possible solutions: WARNING: The monitor LCD…

25. Product-specific problemsp. 32

    Table 8. Product-specific problems Specific symptoms What you experience Possible solutions The screen image is too small The image is centered on the screen…

26. Contacting Dellp. 33

    To contact Dell for sales, technical support, or customer service issues, see Contact Support at Dell Support Site. NOTE: Availability varies by country or…

Other documents for this model

• Dell SE2425HG (DELL-SE2425HG) service manual