For maintenance or electrician,troubleshooting can be a very financially rewarding and personally satisfying.The good troubleshooter has a advantage and proper understanding of electrical or electronic ,hand on skills and problem solving techniques.Troubleshooting is an art.It need creativity and passion to become the expert.

Electronic devices or equipment contain similar component in their circuit board such as transistor,diode,capacitor,resistor,ic,relay,connector,wire and etc.We must understand deeply the component characteristic,common fault for these component,and how to test and verify their condition. read more