[sdiy] EMC mains filter failure - why?

[René Schmitz]

Hi Julian,

Julian wrote:
> This is on a doepfer system.  Now can anyone tell me the point of this
> filter?  If its just mains smoothing, isnt, and shouldnt that be done better
> later on in the PSU?

That thing prevents radio frequency dirt coming into and leaving the 
system.

> Im told that this was probably caused by a problematic connection external
> to the device?  Is this feasible?  I dont want to replace parts, untill i
> know the cause.

A bad contact can cause overheating. But this thing doesn't draw that 
much power, so I guess its most likely an insulation failure.

Cheers,
  René

-- 
uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159