Electronics Technology · Level 4 · 5 Chapters
Compiled by: Fredrick Omondi
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Electrical And Electronic Equipment And Appliances Maintenance in Electronics Technology Level 4 is about finding a fault and fixing it. The unit starts by assembling maintenance tools, equipment and materials, from classifying tools and instruments to calibrating them, with semiconductor theory and diode types behind the components you meet. Next you inspect and test faulty components: disassembling equipment, sorting screws, running tests and applying troubleshooting methods safely. Maintenance activities then cover repairing or replacing faulty components, cleaning, soldering and tightening, and disposing of waste materials. After repair you test again at the right test points. Finally you reassemble: tightening screws, connectors, cable ties, glue and insulating tapes, and mounting cooling components.
Households and businesses keep electrical and electronic appliances in use by repairing them, and this unit trains you for that repair work.
Keeping screws sorted and connectors secure prevents the next fault.