Question Flatron W1943SE Monitor Doesn't Work

Oct 13, 2019
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When we plug the power in, the LED will keep flashing, and when I hold of the circuit board, I realized that the moment when the LED turns off, there is a sound which I suppose is coming from the transformer(a static then followed by sort of a wind blowing), and it will keep continuing until the power is turned off. The capacitors seem fine(no swelling up or bending down).

 

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