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Question:

Why does the LEd light source flash in a flash and feel unstable? Where is the problem?

Why does the LEd light source flash in a flash and feel unstable? Where is the problem?

Answer:

It is because the circuit has AC component, so LED lamp to flash flash, obviously not good after rectifying filter wave occurs, this failure, treatment methods: non polarity capacitor in the DC power supply electrolytic capacitor is connected in parallel with a 1000uF and a 0.01uF, this is what faults remove! As for copper foil thin, that is not affected!
A triode is provided at the output to provide sufficient output current; the LED is a current device, and a triode is usually required to provide sufficient output current! If it's unstable, you try to refresh it with MCU or something like that, and increase the refresh rate!
LED lights are flashing, that is, the circuit board (small bulb and into the luminous plate) there is a problem, the computer went to change, and told him that the display circuit board for Kazakhstan, five hundred or six hundred yuan, not expensive. TV is simply not, and LED light problems, we can imagine that this TV on the human body radiation hazards are serious. Don't understand, ask me again...

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