Problem with power supply tick noise

sivaeeeguru

Prominent
Nov 20, 2017
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HAI FRIENDS
I AM DOING ELECTRONICS TECHNICIAN JOB. I REPAIRED MANY POWER SUPPLY AND OTHER ELECTRONICS ITEMS. BUT I DIFFICULT TO FIND TICK NOISE COME FROM ONE POWER SUPPLY UNIT 24VOLT. I ALREADY CHANGE 1.TRANSFORMER COIL 2. INDUCTOR COIL 3. RELAY 4.SCOOTY DIODE. BUT NO IMPROVEMENT ABOUT TICK NOISE. ANY OF FRIEND PLEASE GIVE SOME IDEA TO SOLVE THIS PROBLEM.