20 Most Recent Behringer DJx700 5-Channel Pro DJ Mixer with Digital Effects & Bpm Counter Questions & Answers

Actually, you may be in luck. A burned cap means that it has done exactly what it's supposed to do. So...you might stick an identical one in there -- it's a 0.1 uF cap, and you can find these at Radio Shack (0.1 uF 50V) or online. They are cheap, so give it a shot.

Behringer only gives schematics to their authorized service people.

I find I can usually trace stuff out as needed as the mixers are a very symetrical repeating circuitry.

Most components are readily available from other sources.

You can get the entire service manual for this unit here: BEHRINGER PMP6000 SCH Service Manual free download schematics eeprom...

The first thing to do is to swap teh L & R INPUTS to the amplifier. Did the speaker that works change?
If som the problem is with the setting of the mixer deck. If it did not change, then the problem is with your speaker wiring of the dead speaker, the speaker itself, or that side of the amp.
If the working speaker did swap, that means problem is with the mixer. The question then becomes how are you connecting to the mixer. You should be using TRS 1/4 inch connectors or preferably XLR from the MAIN outputs. These are balanced outputs connections.
If the inputs are from one of the mono inputs, the PAN control for that channel will control how much goes to each speaker... If at center, both will get same signal.
There are so many possibilities that I can't evaluate them until you try the test to find if it is problem of the amp or the mixer that I have given you to try.

If it goes back to normal after you shut it off and letting it sit for a bit, it's related to heat buildup. If that's the case, it's either a component failing or a cold solder joint that opens when a part expads/contracts from itr's contact point. Either way, you needto take it to the repair shop.

Can you elaborate a bit more about what you mean by "turning off?" What are you doing up until that point? Does it do it at certain times, etc.?

Check that all the eqs are set not to cut bass, check there are no effects on and that the XPQ is off. If you still have the problem how sure are you there is no bass coming from the mixer? Have you tried it with another amp? We had one hire customer who had the same problem you describe and his amp had a crossover and it was set to act as a mid/top amp and wasn't giving him any bass, unsurprisingly, switching it back to full range sorted it.

The first thing I would look at is the kill switches on each side, make sure these are not pressed. Also make sure the master fader is up. I would disconnect anything that may be plugged into the effects loop send and return. Make sure the main outs are plugged in correctly, the main master outs should go to a power amp, this unit appears to be a unpowered unit. Make sure you are using the proper cables to avoid damage, lookup and understand the difference in speaker cords and instrument cords and place them properly. Also make sure the "assign A" and "assign B" are positioned correctly. Hope this helps but, if you give me a little info on how you are using this unit, I could help you further, please.

I suspect one end of the crossfader pot has broken from the element. The fader probably costs less than $5.

You likely will have to remove all the knobs and some screws to seperate the board with the fader from the front panel so you can replace the fader.

VERIFY the pot is bad with an ohmmeter before dis-assembling however.

You MAY be in luck. It looks like the cross fader has a connector which MIGHT allow you to remove it or certainly only a small board for replacement, seeing these take abuse.

It appears that the cross fader is a dual 100K type B taper.