You select a fault from the list and it shows you the steps to follow to repair the light bulb, next to each step it has a help icon that shows you with images how to carry out the measurements in case of doubt.

It has 18 diagrams of the most recognized light bulb brands.

Explain in detail the function of each transistor, resistance, capacitor, inductance and diode. It also explains through diagrams the different blocks that make up the ballast, the operating principle of the oscillator and how the high voltage necessary for gas ionization is obtained.

It contains guides and designs for the construction of more durable ballasts than most of those found on the market.