AC purification power supply buzz sound is great what is the situation
Repair, as long as the tightening of the regulator around the core of the fastening screws can be. At the same time to tighten the components around the regulator to eliminate or reduce the vibration sound.
The reason why the clamp is loose may not be fastened during assembly, or it may be due to loosening of the screw of the clamping member after prolonged use.
The regulator core clamp is loose
The cross-sectional area of the saturated core of the regulator is small, the magnetic flux leakage is more, the vibration sound is bigger, when the core clamp is loose, it is easy to produce a big beep, and even the metal material is fixed Vibration of the tweet, not only the image of the quiet work environment, even when the image of other circuits and components of the stability of the work.
