Dell E2222H Service Manual
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Dell E2222H Service Manual

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Service Manual - E2222H
Version: 01
Date: 2021/10/30

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Summary of Contents for Dell E2222H

  • Page 1 Service Manual - E2222H Version: 01 Date: 2021/10/30...

  • 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 VGA 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...
  • Page 5 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.

  • 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 Unplug the LVDS cable from the connector of the panel module by pushing the earing-locks. Remove the Mylar from the hooks of the bracket chassis module. ift up the bracket chassis and put it on a protective cushion Use a Philips-head screwdriver to remove 4pcs screws for unlocking the circuit board, release all the...
  • Page 8 5. Disassembly and Assembly Procedures 5.2 Assembly Procedures: Take a mylar to insert the hooks of the bracket to Place a bracket chassis base on a protective cover the power board. cushion. The following two steps (S6 and S7) is processed in LCM assemble line.
  • Page 9 5. Disassembly and Assembly Procedures Take out 1pcs panel assembled module with front bezel and function key board from the carton, and then examine the panel surface according to inspection criteria. Turn over the panel, and then place screen faced down for later assembling. Connect the panel lamp cable to the connector of the panel module, then fix the panel lamp cable with 1pcs aluminum foil as the picture below shown.
  • Page 10 5. Disassembly and Assembly Procedures Take 1pcs rear cover, put down the rear cover ift up the monitor to checking the gap between the and push the rear cover on the positions marked front bezel with panel module , then provide power as the picture below shown for mechanisms supply and a video signal to the monitor, then turn engagement.

  • Page 11: Troubleshooting Instructions

    If the monitor is working correctly, it detects that there is no signal and one of the following message appears. While in self-test mode, the power LED remains white. E2222H Dell 22 Monitor No DP 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 any screen abnormality you experience is an inherent problem with your monitor, or with your computer and video card. 1 2 3 4 Label Description Button 1 Button 2...

  • Page 13: Common Problems

    Missing pixels • Cycle power On-off. • Pixel that is permanently off is a natural defect that can occur in LCD technology. • For more information about Dell Monitor Quality and Pixel Policy, see Dell Support site at: https://www.dell.com/support/monitors. Stuck-on pixels •...

  • Page 14: Product Specific Problems

    • Restart the computer in safe mode. Safety related issues • Do not perform any troubleshooting step. • Contact Dell immediately. Intermittent problems • Try different Preset Modes in Color settings OSD. Adjust R/G/B value in Custom Color in Color settings OSD.

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