Started by tjohnson, 15:11, 06 April 20
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Quote from: Bryce on 10:28, 20 April 20These type of systems usually have multiple PCBs and it important that all their grounds are at the same potential, so there will be multiple ground paths such the PCBs all having a screw bonding them to the chassis, plus a ground wire between PCBs etc. A problem with any of these could cause buzzing.However, 14kHz is pretty specific. You need to find out what part of the circuit uses a 14kHz clock.Bryce.
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