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00:00:07 1. Electricity in inverter circuits: How does electricity work in inverter technology circuits? What is the difference between AC and DC? 00:18:12 2. Current conversion: What is a diode and how does it contribute to the conversion of AC to DC? Why are capacitors important in the conversion of AC to DC? 00:36:03 3.Troubleshooting: How to fix direct current outages? How to measure a rectifier bridge on an inverter board? 00:52:43 4. Graphical representation and measurement: How to measure voltages with an oscilloscope and multimeter? 01:06:22 5. Electronic components: What is the function of the fifth diode? Capacitors How do fuses and varistors work in high voltage protection? What is the function of the voltage regulator 0? How do low-pass filters work and what are they used? 01:54:55 6. Power supplies: How do switching power supplies work in the boards of inverter equipment? How to test a MOSFET transistor in a switching power supply ? How is half-wave rectification performed in a switching power supply and what is the role of Schottky diodes? What are optocouplers and how are they used to communicate high and low voltage circuits? How does zero crossing detection work with optocouplers? 02:45:41 7. Electronic board repair: What are the key parameters when replacing capacitors? Why is physical grounding important? 03:08:51 8. PFC circuit: What is the function and location of the PFC circuit? How to check and troubleshoot errors in an inverter circuit reactor? 03:30:02 9. Component measurement and control: How to measure and control a diode and a MOSFET transistor? 03:44:04 10. Motors: How does an AC motor work and what is the difference with inverter motors? How are three-phase motors and Hall Effect Sensor? What is an IPM and how does it create three-phase current to rotate a motor? How does an IPM work and what role do IGBT gates play in an inverter circuit? Positive and negative in an electronic IPM. How to measure the resistance of the coils of an inverter compressor? How to check the status of an IPM when the motor is damaged? IGBT with 15Volts 04:37:17 11. Fans: How does the speed of AC fans vary? How does a Hall effect sensor work and how is it tested in a fan? How do three-phase fans work and how to measure them in inverter systems? How to replace a BLDC fan? What to do if you find a fan with six cables in an inverter system? 05:39:13 12. Expansion valve and temperature sensors: How does an electronic expansion valve work and what are its common errors? How do NTC temperature sensors work? 06:15:19 13. Track tracing: How is track tracing done on a conventional and inverter board to measure temperature? 06:23:31 How to measure voltage in temperature sensors correctly? 06:26:57 14. Remote control and communication: How to identify and repair remote control and receiver failures? How to understand bidirectional communication between indoor and outdoor units? How does communication between the indoor and outdoor unit take place through optocouplers? 06:53:21 15. Oscilloscopes:How to use a portable oscilloscope correctly in inverter systems? 07:06:30 16. Tools and safety: How to safely purchase electronics tools? How to solder correctly with tin without damaging electronic components? How to repair damaged traces on electronic boards? How to perform SMD component soldering? 07:47:54 17. Electronic board measurements: How to measure the voltage input on the outdoor unit? How to measure a diode bridge, an IPM, a motor compressor from the electronic board, the 15 Volt to the IGBT, the IPM with voltage to diagnose a problem? 08:13:00 18. Troubleshooting: How to verify the operation of the IPM without a motor connected? How to measure the operation of the sensors What key points can be measured in the indoor unit of an air conditioning equipment? How to verify the DC fan power supply and detect possible problems on the board? What to do if the fan is disconnected and how to verify the operation of the electronic board? Why is it important to verify the power supply of the electronic boards in an equipment? What intelligent diagnostic methods does LG offer for its equipment and how are they used? 08:38:25 19. Pressures and gas charging How do pressures work in an inverter system and why can't it be charged by pressure? 08:45:31 20. What tools are needed to work with inverter equipment? How is the connection to the wifi network made in smart wifi equipment? 09:02:38 21. Universal electronic board: What is the recommended universal electronic board for inverter air conditioners and how is it connected? How is the universal electronic board connected in the outdoor unit of an inverter air conditioner? 09:16:27 22. Electrodoc app: How can I use the "Electrodoc" application to calculate values of electronic components? #inverter #electronics #hvac #course