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Our effort is to start routing and analyzing the board. The reason for the existence of NTC is examined at the beginning of the circuit and we will find out the principle of the existence of the varistor after the fuse. We will examine the resistance of the fuse. If you followed the videos and listened to them carefully but did not become a skilled repairman in the end; shortcomings, errors and defects; are only our work and this is only our deduction. We believe in ourselves; you should also believe in your abilities. Your likes and comments are our encouragement. You can watch more important and in-depth videos, tips, tricks, concerns and educational explanations about home appliance board repairs in our board repair experience course on Spot Player. 00:00 What is a fuse and what is its function? 1:40 How is the fuse ampere determined? 2:30 Replacing a blown fuse? 3:55 Determining phase and neutral on the board? 4:18 What is a fuse resistor? 4:50 How to increase the resistor fuse ampere? 5:45 Protecting the board from overvoltage? 07:00 What is a varistor? How does protection work? 8:25 What is an NTC? 9:22 How does an NTC work? 9:30 The capacitor is short-circuited at the first moment of voltage application. 11:00 How does NTC protection work on the board?