Bad Capacitor Picture

See the photos above for examples.

Bad capacitor picture.

I have a visio television that the picture went out. I took some pictures that i thought might be helpful to others in determining questionable capacitors that are installed on a circuit board regardless of the type of device. Once you rule them out if your unit is still blowing warm air the issue may be the capacitor. Sometimes it s really obvious when a capacitor has gone bad but sometimes it is a bit more subtle.

Bad ac capacitor symptoms. How can i check to see which one is bad. Http bit ly shopjimmy6 just a few of the many ways to check a bad capacitor https www sp. I decided to find all the pictures i could from the internet that show bad capacitors on pc motherboards and other things and put them in one video.

Many times you will see an uf rating on the capacitor instead of mfd yes these two abbreviations mean the same. I ve looked at the circuit boards and can t seem to tell if any capacitors have gone bad. Please see the picture below for the comparison between a good and bad dual run capacitor. The top of a blown capacitor will be slightly bent outwards in a convex shape rather than flat or slightly indented inwards like a working capacitor.

Then you may see this brown crust around the capacitor or perhaps on it. I have a capacitor esr meter. However look for the simple solutions first. If your air conditioner is not blowing cold air a bad capacitor may be the reason.

It is easier to see in person than in my picture. Most of the time you can tell that a capacitor is bad because it will be swollen up. Maybe you need to change the air filters or it could be one of several other reasons. What is startling about this picture is that there is no hole in the pcb under this cap.

Sometimes really bad caps can leak their electrolyte out of themselves too. It often looks somewhat like a dried coffee stain. The electrolyte appears to have actually wicked between the vias and circuit fiberboard and weeped out underneath the copper layer.