Dificuldade em Ler e Interpretar Esquema de PLACA? Aprenda Eletronica Facil Agora

Do you have difficulty reading and interpreting the electronic schematic of a circuit board? Do you know exactly how many volts each component operates at, or how voltage and current are distributed throughout the circuit? Discover our complete training courses: 🚀 To learn electronics from scratch, access ▶ https://site.cursoseletronicafacil.co... and learn electronics from scratch 💡Download the free ebook Exploring the RIGOL Oscilloscope https://cursoseletronicafacil.com.br/... Boost your workbench with RIGOL Brazil equipment by accessing the RIGOL distributors' website in Brazil ▶ Enter Join our WhatsApp content group to receive all our videos first: https://chat.whatsapp.com/EANxQM7PY0d... In this complete theoretical lesson, Professor Rodolfo, from the Eletrônica Fácil channel, opens your mind and teaches you the definitive step-by-step process of circuit analysis so you can overcome your fear of electrical diagrams and move towards becoming a black belt in electronics! Most defects in electronic boards of air conditioners, notebooks, MacBooks, and home appliances occur for a single reason: LACK OF POWER to the integrated circuits (ICs). If you don't know how to trace the voltages on the board using the electrical schematic, it becomes impossible to make the correct diagnosis with a multimeter or oscilloscope. In this video, you will learn in a simple and didactic way: 1. How to locate the main power connector and identify whether the board works with direct current (DC) or alternating current (AC). 2. The role of the reverse polarity protection diode and how to calculate the theoretical voltage drop of 0.7V. 3. The practical meaning of the virtual connection and power supply symbols (Plus 5V, VCC, VDD, and GND/Ground). 4. How schematics organize integrated circuits that have multiple internal sub-blocks in the same physical package (e.g., U13A and U13B). 5. How voltage flows from one board to another through connectors and flat cables to power displays and other peripheral modules. Watch until the end to prepare for our next practical lesson, where we will take real measurements of all these voltages using a multimeter and oscilloscope on the workbench! --- 📌 KEY MOMENTS OF THE VIDEO (Quick Navigation): 00:00 - Introduction: The secret to reading electronic schematics without fear 01:08 - Where to find free courses and ebooks from Eletrônica Fácil 01:27 - Why is lack of power the biggest defect in electronic boards? 02:57 - Step 1: How to identify the main power connector 03:55 - Why does 6V enter the connector but the circuit works with 5V? Voltage drop in the diode 06:07 - What do the symbols +5V, VCC, VDD and GND mean in schematics? 07:42 - Tracing the power supply of Integrated Circuits (ICs) 09:47 - Mystery revealed: Why do some ICs seem to have no power supply pins in the drawing? 10:48 - How voltage is divided and travels to other boards via flat cable 12:56 - Conclusion and preparation for the practical class with multimeter and oscilloscope Don't forget to: 👍 Leave your LIKE to help the channel grow! 💬 Comment below answering the professor's question: "J5 is equal to how many Volts?" 🔔 SUBSCRIBE to the Eletrônica Fácil channel and activate the bell so you don't miss the practical class! #Electronics #ElectronicSchematic #ElectricalCircuits #ElectronicsEasy #ElectronicsCourse #BoardMaintenance #Multimeter