What knowledge does home appliance maintenance need to learn from scratch?
1. Basic knowledge of electronics: Understand the uses, parameters and physical shapes of common electronic components (such as resistors, capacitors, diodes); In the process of maintenance, you will recognize the parts first.
2. Read some books on the maintenance principle of household appliances such as TV sets to understand the unit circuits and the functions of each unit circuit, so as to accurately determine the approximate location of the fault point;