Dell C8621QT service manual

Contents

1. 页 1p. 1

   Product Announcement: This product is certificated to meet RoHS Directive and Lead-Free produced definition. Using approved critical components only is…

2. 页 2p. 2

   2. Exploded view diagram with list of items

3. 页 3p. 3

   3. Wiring Connectivity Diagram Panel Driver board 20W speaker 20W speaker HDMI4 USB type C with PD 90W

4. 页 4p. 4

   4. Disassembly and Assembly Procedures 4.1 Disassembly Procedures: S1 Use a screwdriver to handles. Remove 69pcs screws for unlocking the rear cover( . remove…

5. 页 5p. 5

   4. Disassembly and Assembly Procedures Use a screwdriver to remove 40pcs screws (left: 10pcs, right :10pcs, top: 10pcs, bottom: 10pcs) for unlocking 4pcs…

6. 页 6p. 6

   4. Disassembly and Assembly Procedures Turn over the panel module with the bracket for screen faced up. Use a thin film(such as Prism film) to disassemble the…

7. 页 7p. 7

   4. Disassembly and Assembly Procedures Remove 1pcs DEBF film, 1pcs Diffuser film, 1pcs LGP, 1pcs Reflector film away from the back bracket. S20 Use a…

8. 页 8p. 8

   4. Disassembly and Assembly Procedures Put 1pcs back bracket on the working table, then take 2pcs VESA brackets to assemble with the back bracket. Use a…

9. 页 9p. 9

   4. Disassembly and Assembly Procedures Take 1pcs bottom-middle bezel to assemble with the assembled back bracket, then use a screwdriver to lock bottom-middle…

10. 页 10p. 10

    Use a sucking tool to suck 1pcs glass and set it on a jip, then check the glass carefully and make sure no particles on the glass. S16 Use a sucking tool to…

11. 页 11p. 11

    4. Disassembly and Assembly Procedures Use a roller to clean the film as the direction of the arrow. Use a sucking tool to move the O/C with glass module to…

12. 页 12p. 12

    Paste 1pcs shading foam on the strip of bottom side as picture 1 shown, then assemble 1pcs key board holder(picture 2) with the strip. Connect 1pcs key cable…

13. 页 13p. 13

    Assemble 1pcs power board , 1pcs driver board , 1pcs 1pcs T- Con board with back bracket. Paste 1pcs T- Con foam on the T-Con board . Take 4pcs FFC cables to…

14. 页 14p. 14

    Paste 1pcs foams for supporting FFC cable on the bracket. Paste 1pcs acetate tapes(size: 60mm) for fixing the cable as the picture below shown. Paste 16pcs…

15. 页 15p. 15

    5. Trouble Shooting Instructions WARNING: Before you begin any of the procedures in this section, follow the Safety Instructions. Self-Test Your display…

16. 页 16p. 16

    5. Trouble Shooting Instructions or Dell 86 Monitor No HDMI 4 Cable The display will go into Standby Mode in 4 minutes. www.dell.com/C8621QT C8621QT or Dell 86…

17. 页 17p. 17

    5. Trouble Shooting Instructions To run the built-in diagnostics: 1. Make sure that the screen is clean (no dust particles on the surface of the screen). 2.…