How to Fix a LCD Monitor Power Problem

Step-by-Step Guide

1. 1

   Step 1: Remove the stand first.

   It uses 4 screws and can be easily removed from the back of the monitor.
   
   This is shown by the red arrows in the picture.
2. 2

   Step 2: Lay the monitor down carefully

   Remove the other 4 screws that are holding down the case. , The monitor cover is made up of 2 plastic covers joined at the sides and in order to open you must force a separation.
   
   The picture shows that the screwdriver was placed in the middle of the covers and made a small space.
   
   The screen is held down by plastic locks around the screen and you will use the screwdriver to open these locks, this is why the slotted (Straight) screwdriver is mandatory. , This step gets easier and easier as you progress, so if your having trouble starting don't worry it will get easier. ,,, This is the display panel signal cable. , This is the control panel cable.
   
   This cable has a lock, so it must be pressed and taken out at the same time. , this also has a lock and must be pressed to release.
   
   This four cables are the back light plugs. , You must remove the power cable that is going to the driver board shown by the arrow. ,, The capacitor list and location for this specific model is listed below.
   
   The locations should be listed on the board itself. , Flip the power board and use the soldering iron to the metal stubs that relate with the capacitors that needs to be removed.
   
   This should create a new hole for the new capacitors to fit in. ,,
3. 3

   Step 3: backside up.

4. 4

   Step 4: This next part is the hardest step

5. 5

   Step 5: this might damage the edges of the screen cover but usually they aren't visible.

6. 6

   Step 6: Using this small space

7. 7

   Step 7: turn the screwdriver to cause the locks to come undone

8. 8

   Step 8: using this technique you must go around all the sides of the monitor.

9. 9

   Step 9: Once the cover is removed the main body of the monitor can be seen.

10. 10

    Step 10: Remove the side panel.

11. 11

    Step 11: Remove the tape and unplug the cable that is located at the top.

12. 12

    Step 12: Remove the tape and unplug the cable that is located at the bottom.

13. 13

    Step 13: Unplug the cable that is located to the side.

14. 14

    Step 14: Turn over the metal casing to reveal the driver board and power board.

15. 15

    Step 15: To remove the power board you must remove the 4 screws listed by the picture.

16. 16

    Step 16: The capacitors are located at the bottom right

17. 17

    Step 17: and the cluster is shown in this picture.

18. 18

    Step 18: Now using a soldering iron you can remove the bad capacitors.

19. 19

    Step 19: Now fit the capacitors according to the placement and solder them in.

20. 20

    Step 20: Now reverse through this guide to reassemble the monitor.

Detailed Guide

About the Author