jcharles00
Well-known member
I recently bought a linear power supply from ebay and once I connected AC mains to it (for 110V operation) found it to make a fairly loud, audible buzzing noise similar to the one in this post about similar PSU problems: http://www.groupdiy.com/index.php?topic=26730.0
In that thread the solution was a bad cap in a timer delay circuit.. I'm not sure what such a circuit would look like. can anyone point me in the right direction?
This is the schematic:
In that thread the solution was a bad cap in a timer delay circuit.. I'm not sure what such a circuit would look like. can anyone point me in the right direction?
This is the schematic: