Dell P2422HEc Service Manual
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Dell P2422HEc Service Manual

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Service Manual–P2422HEb/ P2422HEc
Version: 01
Date:2022/03/11
- 1 -

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Summary of Contents for Dell P2422HEc

  • Page 1 Service Manual–P2422HEb/ P2422HEc Version: 01 Date:2022/03/11 - 1 -...

  • Page 2: Table Of Contents

    Disassembly and Assembly Procedures (P2422HEb)........10 5.1 Disassembly SOP (P2422HEb)................10 5.2 Assembly SOP (P2422HEb) ................13 Exploded view diagram with list of items (P2422HEc) ........16 Wiring connectivity diagram (P2422HEc)............18 Disassembly and Assembly Procedures (P2422HEc) ........19 8.1 Disassembly Procedures (P2422HEc) ..............19 8.2 Assembly Procedures (P2422HEc) ..............

  • 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 be used if all cables have been disconnected.

  • Page 5: Safety: General Power Safety

    Be sure to grasp the plug, not the cable, when disconnecting equipment from an electric  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. ...

  • Page 6: Check Label Behind Monitor

    2. Check Label behind monitor 2.1 P2422HEb (Please follow Instruction for P2422HEb) P2422HEb 2.2 P2422HEc (Please follow instruction for P2422HEc, start from section 6) P2422HEc - 6 -...

  • Page 7: Exploded View Diagram With List Of Items (P2422Heb)

    3. Exploded view diagram with list of items (P2422HEb) Item Description Q'ty Remark ASSY CHIN ASSY MF Panel PCBA USB BD MYLAR PWR BD PCBA LEDDRV BD PCBA SPS BD For EMEA Only, not for PCBA I/F BD other regions ASSY SHD MYLAR USB SIDE PCBA CTRL BD...
  • Page 8 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 9: Wiring Connectivity Diagram (P2422Heb)

    4. Wiring connectivity diagram (P2422HEb) Wire3 Wire2 FFC 1 Wire1 FFC 2 - 9 -...

  • Page 10: Disassembly And Assembly Procedures (P2422Heb)

    5. Disassembly and Assembly Procedures (P2422HEb) 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. (P2422HEb) 5.1 Disassembly SOP Preparation before disassembly 1.
  • Page 11 1. Pull out CTRL FFC from I/F BD to take off Rear Cover 1. Tear off malar from Philips-head Main SHD screw driver 2. Pull out USB FFC from Torsion of I/F BD screw: 4.5±0.5kgf 1. Pull out Backlight Wire from LED Driver BD 2.
  • Page 12 1. Disassemble Mylar from Philips-head Main SHD screwdriver Torsion of PCB screw: 8.5±1kgf 2. Unlock 8 PCB screws 1. Disassemble I/F BD, SPS BD, LED Driver BD from Main SHD 2. Pull out all cables from I/F BD, SPS BD and LED Driver BD - 12 -...

  • Page 13: Assembly Sop (P2422Heb)

    (P2422HEb) 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) Gloves 4) Cleaning cloth 5) ESD protection Item Picture Operation...
  • Page 14 1. Insert LVDS cable into Panel 2. Paste 1 yellow tape and a conductive tape to fix FFC 3. Assemble Main SHD to Middle Frame 4. Insert Backlight Wire into LED Driver BD and paste 1 tape to fix wire 1.
  • Page 15 1. Insert CTRL FFC into I/F BD Philips-head screwdriver Torsion of RC screw: 9±1Kgf 2. Assemble Rear Cover with Middle Frame according to the sequence shown in the picture 3. Lock 4 RC screws Assemble Stand a. Insert the stand base blocks fully into the stand slot.

  • Page 16: Exploded View Diagram With List Of Items (P2422Hec)

    6. Exploded view diagram with list of items (P2422HEc) ○ ○ ○ - 16 -...
  • Page 17 USB TYPE-C CABLE See “NOTE" 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 18: Wiring Connectivity Diagram (P2422Hec)

    7. Wiring connectivity diagram (P2422HEc) - 18 -...

  • Page 19: Disassembly And Assembly Procedures (P2422Hec)

    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. Tools 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 20 Remove Take scraper insert the Rear the bezel bottom cover site Remove the Disconnect connectors and the cables tapes Unscrew the 4 screws on the Remove mainframe and 1 screw on the usb mainframe board. remove the mylar on the power board - 20 -...
  • Page 21 Remove Unscrew the screws on the mainboard boards and power board Mainboard and power board Unscrew the Remove screws on the the middle middle frame frame panel - 21 -...

  • Page 22: Assembly Procedures (P2422Hec)

    8.2 Assembly Procedures (P2422HEc) Tool Step Figure Remark Assemble screw the screws the middle on the middle frame frame Tighten the screws on the board Assemble mainboard and power board assemble the mylar on the power board screw the 4 screws...
  • Page 23 Connect all connectors and connect tapes. Tighten the the cables. screw on the board Tighten the 4 screws by the Assemble Philips-head the rear Screwdriver. cover Torque=6±1kgf.cm Assemble the stand ass’y - 23 -...

  • Page 24: How To Connect And Disconnect Power Cable/ Connectivity Cable

    9. 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 cable and Power cable Connecting/ disconnecting the USB Type-C cable and Power cable - 24 -...
  • Page 25 Connecting/ disconnecting the HDMI cable (optional) and Power cable Connecting/ disconnecting the RJ45 cable (optional) and Power cable - 25 -...

  • Page 26: Trouble Shooting Instructions

    10. Trouble shooting instructions - 26 -...
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