How To Learn Electronics Repair

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2 Introduction The purpose of this video is to help you quickly learn the most common methods used to troubleshoot electronic circuits. Electronic troubleshooting skills are required to diagnose and repair various types of devices. These devices include stereo cameras, VCRs and more. As already mentioned, the program will explain how to diagnose and repair different types of electronics and circuits. Viewers will also learn how to use the specialized equipment and tools needed to test these types of circuits and components. If students are planning to enroll in any field of electronics, looking at this program will prove useful. The program is organized by major sections or topics. Each section covers an important part of the topic. Graphic breaks are provided between sections, so you can pause the video for class discussion, showing answers to questions, or asking questions. This allows you to view only part of the program on a daily basis or display it in its entirety. This program is part of the 10 sections of electrical and electronic components, including the following titles: Electrical Principles Electrical Circuits: Ohm’s Law Electrical Components Part I: Resistors / Batteries / Switches Electrical Components Part 2: Counters / Fuses / Phase / Flash Part III: Transformers / Relay / Motor Electronic Components Part I: Semiconductors / Transistors / Diodes Electronic Components Part II: Operating Transistors / Diodes Electronic Components Part III: Thyristors / Piezocrystals / Solar Panels / Fiber Optic Fiber Optics See Additional Resources at the end of this guide. 2 Student Objectives After watching this program, students will be able to: Describe how to properly troubleshoot electronic circuits. Detects some issues of the VCR circuit. List several types of problems with electronic circuits. Check the condition of the electronic circuit and its components properly. Explain the function of electronic power supply. Describes how to test diode operation. Explain how to test the operation of the transistor. Describe the use of an oscilloscope. List the two types of integrated circuits and their functions. Remove and install the integrated circuit board. Copyright 2006 Shopware

3 Topics for discussion 1. Describe the basic procedures used to troubleshoot VCRs. 2. Why is the use of care instructions important when working with any type of electronic device? 3. Why are periodic malfunctions of electronic circuits difficult to detect? 4. What tools should be used to check the electronic circuit for problems? 5. Explain how to clean the electronic board properly. 6. Describe the basic procedure used to test a diode in an electronic power supply. 7. What usually leads to integrated circuit failure? 8. Describe the basic procedure used to replace the components on the electronic board. Short Answer Answer the following questions briefly in your own words: 1. Where can I get appropriate instructions for the maintenance of a particular electronic unit being repaired? 2. List the four types of faults in the electronic circuit. 3. How to start diagnosing electronic circuits for problems? 4. What kind of test equipment is used to compare the operating temperature of electronic components in a circuit? 5. What usually causes the electronic power supply to malfunction? 6. Why do transistors fail more often than other circuit components? 7. Why is it important that electronic components have the same type and characteristics as the original? 8. Describe some applications for oscilloscope testing. 9. List two types of integrated circuits. 10. Explain the terms of the analytics program. Technical terms Write definitions for the following words. Use tutorials or watch videos if necessary. Video recorder Electronic circuit 3V DC Voltage AC voltage Fuse circuit Conductor circuit capacitor resistor transistor transistor ohmmeter capacitors coil integrated circuit digital thermometer oscilloscope forward bias reverse bias multimeter collector reversed soldering computer problems

How To Learn Electronics Repair

4 Testing 1. Once you understand the electronic circuits and devices that are being serviced, you can use the logical sequence of tests to find the source of the error. A. Circuit tester b. Diagnostic scanner c. Reason for deduction d. None of the above 2. When diagnosing VCR problems, you must first determine which of them can cause the symptoms. A. Section; Yield b. Section; rectifier c. Section; Chip d. Section; Circuit 3. What should electronics students understand before trying to solve a circuit? A. Chain function b. Possible capacitance of each transistor c. Output power of each chip d. Types of rectifiers used 4. Electronic fault (n) is a fault that varies depending on the operating conditions. A. Logic b. Subsequent c. Constant d. Parameter 5. Error A (n) is triggered if a (n) gives the wrong result. A. Regularly; Printed circuit board b. Relentlessly; IC chip c. Regularly; Power transistor d. Logic; logical gateway 6. Electronic error (n) is an error that leads to something that could work outside a specific feature. A. Relentlessly; Correction tools; Transistor b. Regularly; Chain; Chip c. Parameters; Components; Scheme d. Current; diode; Transistor 7. When checking electronic circuits for problems, you should use a to apply light pressure to the circuit board and components to look for improper connections. A. Short screwdriver b. Plastic screwdriver c. Digital Investigation d. None of the above 8 A often indicates high or low resistance in both directions. A. Broken transistor b. Wrong IC c. Bad diode d. All of the above 9. A (n) converts 120 volts to low voltage for electronic components in a circuit. A. Power supply; Alternating current; DC b. Power transistors; DC; AC c. NPN transistors; Alternating current; DC d. None above 10. A (n) often swells when closed or on fire. A. Variable resistance b. Printed circuit board c. NPN transistor d. Capacitor housing 4

How To Learn Electronics Repair

5 11. A small line on the PCB may indicate a crack and in the circuit. A. Components; High voltage b. Chips; Strong current c. Leaders; High stability d. Leaders; High current 12. is good for testing diodes because they use their battery to transmit current through the diode to turn it on. A. Test lamp b. Analog stand c. Circuit tester d. Digital Probes 13. To test transistors that are still in the transistor measurement circuit. A. Insulation resistance b. Yield resistance c. Voltage drop d. Input current 14. A (n) measures the voltage level over time. A. ohmmeter b. oscilloscope c. voltmeter d. All of the above 15. The current tendency is to make repairs when a chip or other circuit component fails. A. Level of scheme b. Ingredient level c. Chain d. Board level 5

6 Key Answers Use your own judgment to evaluate the topic, discuss short answers and specifics. Questions and answers: 1. c 2. d 3. a 4. b 5. d 6. c 7. b 8. c 9. a 10. d 11. c 12. b 13. c 13. c 14. b 15. d Useful IEEE Virtual Museum History of Electricity, Electronics and Computers Joint Learning Network Click on “Technology Education” for educational resources in electronics and electronics The greatest advances in 20th century technology Click on “Electrification”, “Electrification” and “Electro” . Beginner Information Additional Resources at Films Media Group Electricity and Electronics VHS / DVD Preview clip online for viewing / print Teacher’s Guide Online Item № The program you just watched is part of a series of ten electrical and electronic sections. This series provides a complete guide to the study of electronics, from the basic laws and principles of electricity at the atomic level to troubleshooting and repairing electronic components. Live computer animation and manual rendering make these videos a great resource for the classroom. Production of goods for the store. (18-24 minutes) 6 series include: electric principle; Electrical circuit: Ohm’s law; Electrical components, Part I: battery resistors and switches; Section II: capacitors, fuses, flashers and coils; Electrical Components, Part III: Transformers, Relays,

7 and machines; Electronic Components, Part I: Semiconductors, Transistors and Diodes; Electronic Components Part II: Transistor and Diode Processes; Electronic Components, Part III: Thyristors, Piezocrystals, Solar Cells, and Fiber Optics; Electrical troubleshooting; Repair of electronic circuits in motion VHS / DVD-R Available for viewing / printing Instructions for online teachers. Produced in collaboration with the Accreditation Council for Engineering and Technology and the Junior Engineering Association. Using the Hoover Dam as an example of efficient hydropower generation, the video shows how converters increase or decrease voltage and how electricity is directed to buildings, lighting equipment, power and vehicle traffic. The differences between AC and DC as well as the advantages of iodine over incandescent bulbs are discussed. The animated section assists students with key electrical concepts including ohms, volts and amps (18 minutes) Residential Wiring VHS / DVD Preview clip online. A guide for viewing / printing online in accordance with the standards of the National Center for Construction Education and Research. This eight-part series is filled with installation information,

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