危险
有潜在危险
如果不正确地执行这个步骤,就可能导致受伤。请保持谨慎并注意所有警告。
危险
  1. The u3014 monitor  opens the same as most other recent Dell monitors. First remove the stand.
    • The u3014 monitor opens the same as most other recent Dell monitors.

    • First remove the stand.

    • Remove the bezel. This can be done by hand and a plastic knife. Approaching the screen from behind, peel the bezel with your fingers (photo).

    • The rest follows quite easily, but in the corners you might need to insert a blade or similar to pry open the clips.

    • When removing the bezel, be careful with the control panel (stuck in place with glue, covered with glued-on strip) and power-button (2 screws).

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  3. Remove the connectors. Black cable to backlight (push clip and pull). Two multi-color cables to LCD (push in the sides and pull). Power and control ribbon (pull). USB hub power (push clip and pull). USB ribbon (lift flap and remove). The frame with PCB is held in place just by metal tape.
    • Remove the connectors. Black cable to backlight (push clip and pull). Two multi-color cables to LCD (push in the sides and pull). Power and control ribbon (pull). USB hub power (push clip and pull). USB ribbon (lift flap and remove).

    • The frame with PCB is held in place just by metal tape.

    • The USB hub is completely loose.

  4. To solve power on problems, inspect the board. In my case there was a cold solder joint that actually showed a little spark when plugged in (photo Q816). Re-soldering fixed it.
    • To solve power on problems, inspect the board. In my case there was a cold solder joint that actually showed a little spark when plugged in (photo Q816). Re-soldering fixed it.

    • Be extremely careful fixing these switching power supplies, even more so in Europe where one has 230V. Discharge capacitors etc.

    • If you liked this guide, contribute your own.

    • If things are unclear, leave a comment.

结论

To reassemble your device, follow these instructions in reverse order.

另外一个人完成了本指南。

Mark

于2018年09月05日注册

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