Question about Behringer Pmp3000 16 Channel Audio Mixer

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Schematic for Behringer PMP3000

Need to identify components in the power supply. They do not have printed part numbers and therefore can not be identified.

Posted by Carl Wiesener on


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3 Related Answers

Fred Yearian

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SOURCE: im looking for a curcuit diagram for the

If the supply failed I can tell you which parts to replace... and if it failed there may be a failure in the power amp that caused it. You can contact be directely at fredy2 @ put Behringer in the subject.

The supply when it fails takes out eleven components including two expensive IGBT transistors. If the rearmost amp fried, add at least four more components and a lot of work carving out burned board and wiring around the blown circuit traces.

Posted on May 30, 2010


Donald DCruz

  • 17130 Answers

SOURCE: Hello, Is (are) the schematic(s) for the Behringer

Please check the link below for help to the manuals

Please find the link to the support site to register your product or to seek the nearest support center. click on the link below;

Posted on Mar 12, 2011

Fred Yearian

  • 5603 Answers

SOURCE: power surge has blown components

Behringer re-uses a lot of design... you might look at page 2 of this download:

Scroll down to "Get Manual" and click to download. On page 2 is the SPS400 power supply which is one of the smaller switching supplies they use. You may find the schematic is close, possibly they de-populate it as a smaller supply. When repaired, start the supply for testing with a 60 watt light bulb in series with the power input. Use an isolation transformer for troubleshooting for safety.

Posted on Apr 27, 2011

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I have found the fault with my mixer ( UB2442fx pro) but I need to be able to identify 2 components that need replacing. The first is the rotary pot vr96 (aux 3 / fx) and the second is the rotary...

The VR96 is a 50K "G" taper or "graphic taper" pot. Lots of luck trying to find that in a catalog... I finally got a scrapped piece of mixer board and salvaged one. The G taper is not stocked by any of the vendors like Digikey or Mouser here. Full Compass is the Behringer part distributor and I waited 6 months and got no delivery of one of these pots. The effects selector is a rotary encoder quadrature type. Use the catalog. Search for Encoder, then select ALPS manufacturer and then try to match up mounting and type using the spec drawings... with push switch also... Again, if you want to try Full Compass, you can call Behringer rep in Woodinville WA USA to get the Behringer part number and incident number to see if Full Compass might have one in stock.

Here is the maintenance schematics for your unit...VR96 is on page 7 of 32. :

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Power surge has blown components at input to the power supply unit SMPSU17. I need schematic to help identify the correct replacement components. John at Topaz Repair Limerick.

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Look at each of the valves (there are some on the pre-amp stage behind the front panel as well as on the main amplifier chassis) they should all be glowing a nice bright red colour in the middle if they are healthy.
If any valve is not 'lit up' that will be the faulty one. DO NOT TOUCH IT - apart from the high voltage electricity associated with them valves get very HOT.
Turn the amp off, unplug the mains supply and WAIT at least 10 minutes for it to cool down again. Carefully slip the metal retaining spring off the top of the valve and, gripping it with a tissue or soft cloth, gently pull it out with a slight rocking motion. Carefully note down all the numbers and letters on the valve to identify the correct replacement. There are literally hundreds of different valves - putting the wrong one in may cause further damage to the amp.

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