When I turn on the LED light, there is a high frequency sound, so what's the problem?
Or is it the characteristic of the original LED lighting?
207 3 8 years ago
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pu1. I use LEDs at home, but I haven't seen anything like that
2017-11-25
OK
pu2. I think there's something wrong with the SMPS (Switching Mode Power Supply)
pu3. Thank you!!
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