1. The basic part of electrotechnics and electronics mainly studies electrotechnics principles, electronic circuits, integrated circuits, analog electronic circuits, radio transmission and reception, and rapid maintenance technology.

2. The home appliance maintenance part mainly studies electronic basics, radios, amplifiers, stereos, washing machines, audio equipment, black and white, ordinary color TVs and remote control circuits; Installation, principle and maintenance technology of solar water heaters, induction cookers, CDs, VCDs, DVDs, power amplifiers, electric fans, smart appliances and other household appliances. ? Luoyang electromechanical school

3. The part of refrigeration installation and maintenance mainly studies electrician foundation, transistor circuit, refrigeration principle and fault maintenance, refrigerator, air conditioning refrigeration, refrigeration equipment and electrical and control circuit principle, the use of refrigeration tools, the analysis and operation of refrigerator air conditioning circuit, the fault analysis, practical operation and installation technology of air conditioning, refrigerator, freezer and central air conditioning.

4. The maintenance part of high-grade color TV and flat-panel TV mainly studies the principle and maintenance of large-screen color TV unit circuit; Principle and maintenance of rear projection color TV unit circuit: basic knowledge of digital circuit and HDTV; Principle and maintenance of digital HDTV circuit: principle and maintenance of LCD TV: principle and maintenance of plasma TV: introduction of LED TV principle; The use of high-grade instruments; And the principle, detection and size of high-grade computer LCD.