For this, you can use a multimeter and measure the voltage at various points in the circuit. Step 3 − If no problem is found in the power supply, next test individual components like diodes, transistors, resistors, capacitors, etc. of the circuit. If there any faulty component is found...
Advanced Electronics Tutorial In the Advanced Electronics Tutorial Course, you Learn PCB Manufacturing and Assembly Process, Complex Analog, Digital and Mixed Signal Circuits, Wave Soldering, Reflow Soldering, Selective Soldering, ESD and Safety from Static Electricity, Double Sided and Multilayer PCB, Le...