Question about Behringer EURORACK UB2442FX PRO Mixer
I bought a Behringer Eurorack UB2442FX, and it is very clean, but some of the mic inputs stop working without warning. After I unplug and plug in those mic inputs, they work fine, but only to stop working again. Is anyone else having this issue, and if so how did you fix it?
Check the type of microphones connected and set the proper settings,
and connect it to other mic inputs .
Posted on Oct 02, 2012
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Posted on Jan 02, 2017
Those were used for mic connectors at one time,,, they are related to the Amp 91-MC3F family of connectors and those are out of production and they are demanding $20 to $50 for one connector.
That is a ridiculous price and I would be tempted to swap out the connector for a more available design.
On eBay item 250401122616 is one but they want $13 pus $11 shipping which is a rip off.
These were used on some OLD CD radio mics.
Posted on Dec 15, 2009
A high likelyhood of a power supply problem.
I had a similar thing on a GX110 and it was an electrolytic cap that filters for the 5 volt regulator on the DSP board.
As the DSP starts up, the load on the supply sucked it below the operating point and caused the DSP to keep reseting. The display did flash.
The unit will have to be opened and trpunbleshooting done to find and repair the problem.
Posted on Dec 20, 2009
SOURCE: Power supply cooked
There isn't anything in the power supply you cannot rebuild except the transformer.
BUT you should verify that something in the mixer didn't short out and damage the supply.
After you relace the smoked parts (likely the TOP245Y offline regulator chip is gonzo... then you use this trick to restart the unit safely:
Put a 60 Watt light bulb in series with the hot side of the input power line. I would recommend you use an ISOLATION transformer when working on the power line side of this for safety.
Posted on Apr 26, 2010
It appears that both these use a 50K pot in the identical circuit and it is UNLIKELY they re-engineered very much so it is likely they use the same pot.
Behringer parts service should be able to tell you.
Posted on Apr 28, 2010
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