Replace a fluorescent light ballast in four steps. Remove the Bulbs and Fluorescent Light Fixture Cover. Unplug the fixture or turn off the power at the main panel.

If you choose to replace the ballast only, turn off the power to the fixture at the main service panel. ... Project: Repair or replace fluorescent light fixtures. Cost: From around $25.

Replace the ballast If adjusting the bulb in your fluorescent light doesn’t work, it might be that the ballast has gone bad. This can cause a vibration in the fixture that will make a buzzing sound.

In part 1 we discussed rectifying the ballast AC current to DC and we showed an open load protection circuit. Direct replacement of fluorescent tubes with LED assemblies can lead to uneven lighting.

The IRS2530D DIM8™ is a unique linear dimming ballast control IC with half-bridge driver in a compact 8-pin form factor. The new device provides a competitive solution to replace inefficient ...