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MX3282A. Where can I get a power supply? - Music

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Hi Bryant...
That particular power supply is hard to come across. There is a brand new one for your mixer on E-bay for $200.00 here:
http://www.ebay.com/itm/Behringer-Eurodesk-150-Watt-Power-Supply-For-Mixers-MX2442A-MX3282A-NEW-/252274097139
Hope this has helped you.

Posted on Feb 06, 2016

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Hi there,
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Posted on Jan 02, 2017

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rhodesworks

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SOURCE: I won't behringer mx3282a power supply circuit diagram

Here is a link to the schematic
BEHRINGER MX3282 SCH Service Manual free download schematics eeprom repair...

Posted on Feb 20, 2015

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Model Yamaha ME-50 no power


John
With AC power off.
Use a meter (on Ohms scale) to check internal fuse for blown (open) fuse.
If you feel qualified & safe with AC Power On.
Check input to internal power supply on AC Scale (Caution when AC is on) for volts in.
Use meter on internal Power Supply for "probably" DC volts leaving internal Power Supply electronics to power the rest of the electronic circuits.
Switch mode power supplies can break down. They stop doing their high frequency switching so they don't convert AC to DC.
If this P/Sup is a separate box or circuit board, inside the unit, then it can have a part number & be replaced.
Good Luck

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1 Answer

I have been given a peavey pv8 mixer without the power supply, I have used a different power supply with the same voltage, my problem is when it's turned on the clip lights are glowing on all channels and...


Kinda hard to tell you exactly what the problem is. Your current power supply may not be able to give you the amperage you need even though the voltage is the same. You can get the correct power supply on Ebay.
Peavey 16 5 Volt II Power Supply 03013830 Mixer PV6 PV8 PV14 PV 6 8 14 16...

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1 Answer

BOSS TU-3 Tuner will not work with power supply or battery


It was probably connected backwards in polarity from a power supply which burnt a diode. These things have backwards polarity of 9v adapters which means positive on the outside of the plug and ground in the middle, unless you have the original boss power supply.If you have a generic power supply, cut the plug off and switch the wires and try it.

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1 Answer

My Behringer XENYX 2442FX Mixer does not power up, the only light that comes on is the phantom power light. I opened it up and noticed that the switching power supply has multiple voltage outputs. We...


You should find +/-15 volts and +5 volts as well as the phantom power... but that light can come on at much lower than desired voltage.

Note that the regulators are current limited so a short on the mixer board can kill one of the voltages.... but you are not getting any input from teh switching portion of the regulator so the switching part of the supply is apparently dead. To replace the supply you would have to call Behringer at 1-425-672-0816 to get the part number and an incident number and then call FullCompass which is their part distributor now.

When working on a switching power supply, use an isolation transformer for safety and use a 60 watt lamp in series with the power cord to limit current during testing.

The circuitry will be SIMILAR to the power supply found on page 9 of schematic you can download at:

http://elektrotanya.com/behringer_ub1204fx_pro.pdf/download.html

Dec 15, 2010 | Behringer XENYX 2442FX Mixer

1 Answer

My mixer wont power up. the only light that comes on is red led +48 v


This MAY be a power supply problem. We need to find if the power supply is putting out what it is supposed to. Using a meter, put one probe in pin 1 (ground) of one of the mic connectors, say channel1. Put the other probe in either pin 2 or 3 of another mic connector... Note we are using different connectors as there often isn't enough clearance for the probes in the same one... With Phantom power turned on and LED +48 lit, how much voltage do you read? If it is say 40 volts or more, then power supply is operating.

If the supply is operating then a POSSIBLE problem is a connector has fallen off where it connects to the supply or the main board.

The power supply provides several voltages such as 5 volts, 12 volts and 15 volts of various polarity.

If the 48 volt supply is found to be operating with the above test, then since the switcher and transformer are shared, it is likely the other voltages are available.

CAREFULLY open the unit and look for a loose cable.

PLEASE NOTE: This is a switching type power supply and part of the supply runs at power line potential. Only work on the supply if you are skilled and have an isolation transformer for your own safety.

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1 Answer

I am looking for a power connector wiring diagram for the Behringer Eurodesk MX3282A? It was rewired by someone and I think the wire combination is mixed up because when plugged in it seems to blow...


Some of the mixers have common connectors.

It appears that for the three pin connector, pin 2 is center tap of AC source, and pins 1 and 3 are the ends of the transformer windings.

This is from a schematic of a MX2643A which MAY be similar to yours. One of mine has a 3 pin Amphenol connector with a locking screw ring...

Use this info at your own risk, however, the power inout is easy to trace out to verify. They use a typical bridge rectifier to get plus and minus from the external transformer.

The pin markings on the connector CAN be confusing.

Suggest you use the light bulb trick of putting a small lamp in series with the 120 line as an auto reseting fuse.

Mar 03, 2010 | Behringer Music

1 Answer

Hi, I want to repair BEHRINGER PMP3000power supply and I need the pinout diagram. Where I can find it?..


Those are a tough supply to fix. There are two power supplies on the board. A small switching one first starts and then when the input caps are charged a relay shorts out two large limiting resistors. Then the main power supply starts to generate the +/- used by the power amps.

When overcurrent is sensed, the supply shuts down... that is IF parts have not blown. Arcing within the power amp takes these out... the rear-most power amp arcs near the heatsink and wipes out parts there and sometimes in the power supply.

You cannot run this supply without a load on the small ofline switching supply that generates most of the smaller voltages. WARNING there are no bleeders on the capacitors on the big supply. If you don't bleed them and try to connect one of the power amps, you will get a NICE arc.

HINT: put a series light bulb like 100 Watts in series with the power input... saves fuses, the limiting resistors, transistors, etc.

Disconnect the audio line coaxes to the power amp and prop the face still connected to the supply to work on it.

The first thing is to weed out shorted transistors in the main supply (leave them out) and verify that the small supply is operating. If it is not, then likely the two sand coated limiting resistors have been blown... this is just a start on a typical repair of this.

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2 Answers

Not working@ full pwr.I just got a new power supply I plugged it in the wall , in a short time the pwr supply got hot.. is there a way to reset it?


Sounds like you got an incorrect power supply OR the SR16 has a failure creating too much load.

The power supply should be a 9VAC at 1 amp (1000 ma)

The power supply MAY get warm to the touch but should not get real hot.

Without the SR16 pluged onto the power supply it should barely get warm. If the SR16 doesn't work, then it probably has an internal failure... LIKELY the internal rectifier filter combination.

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1 Answer

I have a lowrey organ and when i plug it in it does nothing . no power at all anybody got any ideas


If you feel comfortable doing it you could try removing the back and examining the power supply. Make sure the power cord is not plugged in. Remove the screws holding the back on the organ. Look to see where the power supply is. It will be a fair sized metal box that the power cord comes out of. Look for a fuse holder on the box.If there isn't one or you already checked the fuse look to see how the power supply is fastened down. If you can remove it you can check the power cord from the plug end to the connection in the power supply with a volt ohm meter on the lower resistance scale. Check both sides of the power cord . Look for an internal fuse soldered into the circuit if there is one. Check it also. You can also check the power switch the same way. Think of the power cord and switch etc as a garden hose. You want to make sure that the flow of electricity is not interrupted any where between the plug and the power transformer. Do all these tests with the cord unplugged. Also avoid touching anything connected to the filter capacitors as they store dangerous amounts of electricity. If none of this helps note the plug that connects the power supply to the organ. Unplug it and take the power supply in to be tested. A good piano service place should be able to direct you to someone. Also remember that something had to make the power supply fail if it is indeed faulty. None of this is simple or recommended for a person who has no experience with electricity or electronic repair. If you feel at all hesitant about doing it you are better advised to consult a repair person. If you do have experience but no schematic you can still usually find the problem with careful thought and procedure. Break the circuit down into modules and test them one at a time starting with the power supply. It could be something as simple as a frayed cord or blown fuse to something as complex as a burned out transistor or faulty tube ( in the case of older organs) causing the power supply to fail. I once repaired a home organ that the power supply blew in again because of the customers house wiring. That particular wall plug in had been wired improperly. Hope all this helps.

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