Dell P2725HB Service Manual
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Dell P2725HB Service Manual

Dell P2725HB Service Manual

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Service Manual–P2725HB
Version: 01
Date:2023/12/25
- 1 -

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Summary of Contents for Dell P2725HB

  • Page 1 Service Manual–P2725HB Version: 01 Date:2023/12/25 - 1 -...

  • Page 2: Table Of Contents

    Content Index 1. General Safety Instructions ..................3 1.1 SAFETY: General Safety ..................3 1.2 SAFETY: General Power Safety ................5 2. Exploded view diagram with list of items ..............6 3. Wiring connectivity diagram ..................8 4. How to connect and disconnect power cable/ connectivity cable......9 5.

  • Page 3: General Safety Instructions

    IMPORTANT NOTICE FOR USE IN HEALTHCARE ENVIRONMENTS: Dell products are not medical devices and are not listed under UL or IEC 60601 (or equivalent). As a result, they must not be used within 6 feet of a patient or in a manner that directly or indirectly contacts a patient 1.1 SAFETY: General Safety...
  • Page 4 When operating your equipment: Do not use your equipment in a wet environment, for example, near a bath tub, sink, or  swimming pool or in a wet basement. Do not use AC powered equipment during an electrical storm. Battery powered devices may ...

  • Page 5: Safety: General Power Safety

     socket. If your equipment uses an AC adapter: Use only the Dell provided AC adapter approved for use with this device. Use of another AC  adapter may cause a fire or explosion. NOTE: Refer to your system rating label for information on the proper adapter model ...

  • Page 6: Exploded View Diagram With List Of Items

    2. Exploded view diagram with list of items Item DESCRIPTION Q’ty Remark Panel Middle Frame USB Board Mylar Power Board Power Board For EMEA Only, Interface Board not for other regions Main Shielding Control Board Rear Cover Column Base Power cable (varies by country) See “NOTE"...
  • Page 7 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 8: Wiring Connectivity Diagram

    3. Wiring connectivity diagram FFC 1 FFC 3 FFC 2 Wire1 - 8 -...

  • Page 9: How To Connect And Disconnect Power Cable/ Connectivity 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. Connect/ disconnecting the DisplayPort (DP to DP) cable, USB 3.2 upstream cable and Power cable Connect/ disconnecting the HDMI cable (optional), USB 3.2 upstream cable and Power cable - 9 -...
  • Page 10 Connect/ disconnecting the VGA cable (optional), USB 3.2 upstream cable and Power cable - 10 -...

  • Page 11: 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. 5.1 Disassembly SOP Preparation before disassembly 1.
  • Page 12 Unlock 3 screws to disassemble Tear off a black tape from “USB board “Control board” from “Rear Cover” FFC” and “Panel” Tear off “Control board FFC” from Disassemble “USB board FFC” from “Rear Cover” and take off “Control “USB board” and “Interface board” board”...
  • Page 13 Disassemble “USB board” from “USB Tear off a long tape from “LVDS FFC” Shielding” Disassemble “LVDS FFC” from “Panel” Take off “Main Shielding” from “Panel” Unlock 15 screws to disassemble “Middle Frame” from “Panel” Take off “Middle Frame” from “Panel” Tear off a tape from “Backlight wire”...
  • Page 14 Unlock 2 hexagonal screws Disassemble “Interface board” and “Power board” from “Main Shielding” Unplug all cables from “Interface board” (Screw Torque: 5.0±0.6 kgf) Unlock 5 PCBA screws (Screw Torque: 9±1 kgf) - 14 -...

  • Page 15: Assembly Sop

    5.2 Assembly SOP Preparation before assembly 1. Clean the room for work 2. Identify the area for material 3. Prepare the implement, equipment, materials as bellow： 1) Working table 2) Philips-head screwdriver 3) Hex-head screwdriver 4) Gloves 5) Cleaning cloth 6) ESD protection Assemble “Power board”...
  • Page 16 Assemble “Middle Frame” with “Panel” Insert “Backlight wire” to “Panel” and “Power Board” Lock 15 screws to fix “Middle Frame” with “Panel” Attach a tape to fix “Backlight wire” on “Panel” (Screw Torque: 4.5-5.0 kgf) Insert “LVDS FFC” to “Panel” Assemble “USB board”...
  • Page 17 Assemble “USB board” with “Middle Assemble “Control board” to “Rear Frame” Cover” Lock 1 screw to fix “USB board” on Lock 3 screws to fix “Control board” on “Middle Frame” “Rear Cover” Insert “USB board FFC” to “USB board” and “Interface board” Attach a black tape to fix “USB board FFC”...
  • Page 18 Assemble “Rear Cover” with “Middle Attach the stand assembly to the Frame” according to the sequence display. shown in the picture a. Fit the two tabs on the upper part of the stand to the groove on the back Lock 4 screws to fix “Rear Cover” of the display b.

  • Page 19: Trouble Shooting Instructions

    6. Trouble shooting instructions - 19 -...
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