Question about Musical Instruments

Open Question

Behringer v-ampire lx112 connected to effects pedal board hums.

I had connected my Behringer v-ampire lx 112 amp to a behringer effects pedal board a month ago. It worked great until yesterday when amp began making a loud humming noise and the master effects volume light stop functioning. This happens even when nothing is connected to amp. Nothing can be played through the amp even with pedal board disconnected.

Posted by on

6 Suggested Answers

danforddan1
  • 192 Answers

SOURCE: When the power switch is turned on the amp just has a loud hum and nothing works not even the little power indicator light..

You have a bad ground probably inside the amp , you need a on hands Tec for this one. I bet its not to serious , about $65.00, is it worth it to ya all tho I don't know your area , but its been my exp.this would be a fair price most any where. good luck DFD

Posted on Apr 13, 2009

  • 5603 Answers

SOURCE: faulty effects behringer djx700

The effects on the PMP powered mixers flash UNTIL you push in on the selector knob. This way you can dial in the next effect number and then push in later to activate when you want it... Could yours possibly be the same technique?

Posted on Aug 29, 2009

  • 11 Answers

SOURCE: Behringer 1202FX mixer develops 50Hz (UK) mains

either that or bad solder joints

Posted on Dec 07, 2009

  • 5603 Answers

SOURCE: LEVEL POT ON A BEHRINGER EURORACK MX 602A-BAD

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

  • 1 Answer

SOURCE: Please, I need a Behringer xenyx 1202fx list of

Go to the Behringer website and then the product page for the mixer. On that page are links to the manual, spec sheet and something called view sheet. The "view sheet" has a wiring diagram and a list of the effects.

Posted on Aug 21, 2011

  • 5603 Answers

SOURCE: I have a Behringer PMP

There are NO "yellow" overload LED's period. The clip or overload RED LED's are just above the PFL buttons for selecting a solo channel. There are "yellow" signal received lights (level set) up near the trim controls. In normal operation these will light when signal is received. Here is schematic for the PMP5000 which is really identical for the 6000.
http://elektrotanya.com/behringer_europower-p0569_hca2400_sps1000_dpx_pmp-1280s_5000_sch.pdf/download.html This has part of the DSP and PS and the PA circuits.
Scroll down to "get manual" and click on it to download. Ignore other download links on the page.
Try turning off the Phantom power if it might be on... If that stops the hum, something is the matter with the bypasses feeding Phantom power to those channels... Possible problem might be shorting of one of the coupling caps at the preamp input. The PMH5000 drawings are more accurate at the input circuits. You will note that the level set LED's are the yellows, and the clip/PFL LED's are the red ones. I suspect that RF bypass caps such as C110 or C121 (example typical for channel one) might be shorted. This makes noise on the Phantom power line unbalanced and will get into the channel where one of these caps is shorted. Do a test: Plug a shorting jack that shorts the tip to the sleeve intot he inssert for the channel. With the LOW CUT button up, observe is the level set LED for that channel dims or goes out. If it does, then I supect you have a shorted RF bypass cap at the input..The next test involves driving a KNOWN balanced signal into the XLR jack and using a TRS in tthe inout 1/4 inch, test the levels with an oscilloscope to verify the hot and the return have equal amplitudes. I they don't, congratualtions you have to tear the main board out... lots of knobs and screws to access the inout circuits and verifuy the cause... it could ALSO be a bad transistor in the inout pair, etc...

Posted on Sep 25, 2011

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

I have behringer bx4500 bass head that hums and the fan on the back doesnt come on. What causes this to happen?


THere can be various causes, none of which will be user serviceable. Contact Behringer for the nearest service center. Here is the link-

Behringer Bugera Portal Starin Distributing

Sep 25, 2016 | Behringer 450 Watt Bass Amp Head BX4500H

1 Answer

Xenyx 1832usb effects noise


Needs the effects board replaced. The board is about 2"x 3" is not too expensive and easily replaced. Contact Behringer or a Behringer service center for help.

May 02, 2014 | Behringer Musical Instruments

1 Answer

Behringer x v-amp pedal creates no sound through my amp only an drone that sounds like electrical feedback?


I have one, and IT WORKS for me!

As the manual suggests, the 1st step is to RESET your pedal board. I know, you 'll have to erase 20 custom presets of yours but hey, they're already lost anyway!... So just reset the on board chip by pressing the TAP and STORE buttons together for 5 seconds while you power ON the X V-amp. That's it! Now the board sounds good as new!

http://guitar-dreamer.blogspot.com.br/2012/11/behringer-x-v-amp-easy-fix.html

Apr 21, 2012 | Behringer X V Amp Guitar Multi Effects...

1 Answer

I replaced the transformer and fuse which is in a sealed compartment above the power supply connection in djx 700 (behringer) and still have humming in the new transformer


Transformers rarely fail... you wasted money on that... Likely one of the rectifier diodes/module or filter caps has shorted. Continued use will burn out the transformer. It is humming because it is overloaded with failing components.

Jul 02, 2011 | Behringer DJx700 5-Channel Pro DJ Mixer...

1 Answer

My guitar wont connect through the behringer with my amp :(


Check battery and or power adapter and that the input and output cables are not backwards.

Jun 20, 2011 | Behringer Sm400 Super Metal Distortion...

1 Answer

Copy of Behringer EM600 operators manual


Hello,
On the following link you can find a digital copy of the user manual for a Behringer EM600:
http://www.americanmusical.com/ItemFiles/Manual/BEH%20EM600.pdf

May 30, 2011 | Behringer EM600 Echo Machine Ultimate Echo...

1 Answer

My Behringer fx600 multi effects pedal flashes rapidly when used with a power adaptor. this happens whether the pedal is turned on or not.


The LED is ALSO used as a battery condition indicator... this is probably indicating the battery is expired. The manual sure doesn't say much!

Apr 26, 2011 | Behringer Fx600 Multi-fx Digital Stereo...

1 Answer

My effects on the behringer djx 700 dj mixer stop working how


This is a wild educated guess.

I repaired a Behringer guitar amp that had a DSP effects in it (BX1200 I believe).

The effects were on a seperate board and the board had its own 5 volt power supply. The filter capacitor for the 5 volt power on the board was UNDERSIZED and it had degraded causing the 5 volts to drop out of regulation, dipping to 4 volts. This caused the DSP effects to fail.

YOUR device MAY use the same DSP OR design.

Check the 5 volt power with an OSCILLOSCOPE to look for dips below the 5 volt operating point that occur at 120 HZ.

Oct 19, 2009 | Behringer DJx700 5-Channel Pro DJ Mixer...

Not finding what you are looking for?
Musical Instruments Logo

Related Topics:

232 people viewed this question

Ask a Question

Usually answered in minutes!

Top Musical Instruments Experts

Donald DCruz
Donald DCruz

Level 3 Expert

17129 Answers

Matthew Spark
Matthew Spark

Level 3 Expert

1042 Answers

Ben Armstrong

Level 2 Expert

332 Answers

Are you a Musical Instrument Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...