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Hum from the switching power supply.

Discussion board for Mackie's d8b Digital Console users.

Re: Hum from the switching power supply.

Postby arjepsen » Thu Jul 14, 2016 5:30 pm

anyhorizon wrote:and I'm an electronics junkie.

Peter


Heh, same here :-)
Though in all honesty, I haven't experienced it either (that I was aware of).
However, I have seen bigger caps on pcb's (particularly in power supplies) having either glue or foam pads between them and the pcb - to me it looked like vibration dampening, but it's possible that I'm wrong.

Anyways, back to the point:
Something in the switching powersupply is humming, and it's not the transformer.
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Re: Hum from the switching power supply.

Postby anyhorizon » Thu Jul 14, 2016 9:44 pm

Is there a bee in there ? Or maybe it's humming because it doesn't know the words... :)

Peter
In the scheme of things, there isn't one... just chaos.
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Re: Hum from the switching power supply.

Postby arjepsen » Fri Jul 15, 2016 12:32 am

Ok, tried excorcising that bee.
Turns out that the anti-bee chemical had a pretty bad effect on the motherboard....

Anyway, thanks for a good laugh ;-)
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