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Table of Contents
Related Manuals for Dell P2722HE
Summary of Contents for Dell P2722HE
- Page 1 Service Manual - P2722HE Version: 01 Date: 2021/10/30...
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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 USB Type-C cable(1.8 meter) 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 4. How to connect and disconnect power cable/ connectivity cable...
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Page 7: Disassembly And Assembly Procedures
This “Disassembly and Assembly Procedures” is for EMEA only, cable and USB FFC cable from the connectors of not for other regions. Please note that Dell will deem warranty void the interface board, and then remove the rear cover. if any disassembly is done on the monitors. - Page 8 5. Disassembly and Assembly Procedures Use a Philips-head screwdriver to remove 15pcs Lift up the panel with the bracket for releasing the screws for unlocking the middle bezel. front bezel away from the panel. (No.1~13 screw size=M3x4, Torque=5±0.5kgfxcm; No.14~15 screw size=M1.6x1.7, Torque=1±0.2kgfxcm) Use a Philips-head screwdriver to remove 2pcs...
- Page 9 5. Disassembly and Assembly Procedures Remove the black Mylar from the hooks of the bracket as the picture below shown. Use a Philips-head screwdriver to remove 7pcs screws for unlocking the power board and interface board, and then release all the cables from the hooks. (No.1 screw size=M4x8, Torque=6±0.5kgfxcm;...
- Page 10 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, then paste 2pcs silicon sheet on the position as the picture below shown. Panel preparation: Take a panel and then examine Turn over a power board and put the power board the panel surface according to inspection criteria.
- Page 11 5. Disassembly and Assembly Procedures Use a Philips-head screwdriver to tighten 2pcs Assemble the middle bezel with the front bezel and screws for locking the bracket with panel module. panel module, then adjust the middle bezel for two (No.1~2 screw size=M3x4, Torque=5 kgfxcm) ±0.5 parts firmly attachment.
- Page 12 5. Disassembly and Assembly Procedures Move the assembled rear cover close to the Take 1pcs USB board and a connect cable. Connect the cable to the USB board, then paste 1pcs panel unit, then connect the key cable and USB FFC cable to the connectors of interface board.
- Page 13 5. Disassembly and Assembly Procedures ift up the monitor, then provide power supply and a video signal to the monitor , then turn on the monitor for functionality check.
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Page 14: Troubleshooting Instructions
6. Trouble Shooting Instructions Self-test Your monitor provides a self-test feature that allows you to check whether your monitor is functioning properly. If your monitor and computer are properly connected but the monitor screen remains dark, run the monitor self-test by performing the following steps: 1. -
Page 15: 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. To run the built-in diagnostics: 1. -
Page 16: Common Problems
LCD screen has • Cycle power On-Off. spots • Pixel that is permanently Off 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: www.dell.com/ pixelguidelines. - Page 17 • Cycle power On-Off. bright spots • Pixel that is permanently off 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: www.dell.com/ pixelguidelines.
- Page 18 6. Trouble Shooting Instructions Missing Color Picture missing • Perform monitor self-test feature color check. • Ensure that the video cable connecting the monitor to the computer is connected properly and is secure. • Check for bent or broken pins in the video cable connector.