Dell S2725HS Service Manual
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Dell S2725HS Service Manual

Dell S2725HS Service Manual

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Service Manual - S2725HS
Version: 02
Date: 2024/03/20

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Summary of Contents for Dell S2725HS

  • Page 1 Service Manual - S2725HS Version: 02 Date: 2024/03/20...

  • 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 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 Panel 16:9 1920*1080 100Hz LVDS Connector Interface Board Power Board HDMI 1 .4 HDCP1 .4 Function key Speaker board 2*5W HDMI 1 .4 AC Input HDCP1 .4...

  • Page 5: Connecting The Hdmi Cable

    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...

  • Page 6: Disassembly And Assembly Procedures

    5. Disassembly and Assembly Procedures NOTE: This “Disassembly and Assembly Procedures” is for EMEA only, not 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 size of the tools that would typically can be used to disassemble the product to a point where components and materials requiring selective treatment can be removed.
  • Page 7 5. Disassembly and Assembly Procedures Use a Philips-head screwdriver to remove 15pcs screws for unlocking the middle frame with the panel module. (No.1~17 screw size=M3x4, Torque=5±1kgfxcm) Tear off 3pcs aluminum foil for releasing the bracket chassis module. Release the lamp cable and Mylar sheet from the hooks of the bracket chassis module. Take away the middle frame, and put it on a protective cushion.
  • Page 8 Paste 1pcs dell nameplate to the front bezel of the panel module, then use a locating fixture to fix the nameplate with bezel. Turn over the panel, and then place screen faced down for later assembling.
  • Page 9 5. Disassembly and Assembly Procedures Fix the speaker’s cables with 4pcs acetate tapes as Take 1pcs middle frame to assemble with the panel the picture below shown. Take 1pcs IO cover to module. locate the hooks of the bracket chassis module, then use a Philips-head screwdriver to tighten 1pcs screw for locking the IO cover with bracket chassis module.
  • Page 10 5. Disassembly and Assembly Procedures Use a Philips-head screwdriver to tighten 4pcs Take 1pcs rear cover, then locate the joystick board screws for locking rear cover with the assembled unit. to the correct position of the rear cover, then use a Philips-head screwdriver to tighten 2pcs screws for (No.1~4 screw size=M4x11;...

  • Page 11: Troubleshooting Instructions

    LED remains white. Also, depending upon the selected input, one of the dialogs shown below will continuously scroll through the screen. No HDMI 1 Cable The display will go into Standby mode in 4 minutes. www.dell.com/S2425H/HS www.dell.com/S2725H/HS No HDMI 2 Cable The display will go into Standby mode in 4 minutes.

  • Page 12: Built-In Diagnostics

    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. 24/27 Monitor Brightness/Contrast DDC/CI Input Source...

  • Page 13: Common Problems

    • Cycle power on-o . spots • Pixel that is permanently o 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: https://www.dell.com/support/monitors Stuck-on pixels LCD screen has •...
  • Page 14 6. Trouble Shooting Instructions Common What you Possible solutions symptoms experience Intermittent Monitor turns • Ensure that the video cable connecting the problems on and o monitor to the computer is connected properly and is secure. • Reset the monitor to factory settings. •...
  • Page 15 6. Trouble Shooting Instructions Common What you Possible solutions symptoms experience Cannot adjust OSD does not • Turn o the monitor, unplug the monitor power the monitor appear on the cable, plug it back, and then turn on the monitor. with the screen buttons on the...

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