Hi and sorry for the OT,
perhaps somebody is able to help me.
When I turned on my 7 year old Behringer mixer there was no power for
the mixer and effect. When I also turned on the phantom power, there
still was no power for the mixer and effect, but the phantom power LED
started "pumping" (it's on, but slowly becomes lighten and less
lighten).
The original fine fuse is ok. I unmounted the PSU. Everything looks ok,
excepted of one resistor. When it was unsoldered I measured it. The
resistor seems to be ok. It at least is ok, when not under load.
There's a brown stain at the resistor where one of the resistor's wires
emerges. It looks like soldering flux and it's possible to scrape it
off, so it simply might be soldering flux.
I first should have measured the PSU outputs, since it's possible, that
it's not the PSU. Anyway, I still suspect it's the PSU, model UB-SPSU2.
Since I don't own an isolating transformer and it's very unhandy if the
mixer is opened and everything is mounted, I won't do troubleshooting
during operating at the moment.
I do a google.de search for UB-SPSU2 now.
I'm sure a friend is able to help me, but he isn't easy to reach and I
will test my tuned Ubuntu Studio right now.
Any hints are welcome!
Regards,
Ralf
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Received on Tue May 8 20:15:01 2012
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