SOURCE: i need a wiring diagram for the main circuit board
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.
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?
SOURCE: My behringer djx700 5 channel pro dj seems to have
Hello,
It doesn't seem like a typical "feedback" problem, as feeback is produced by over modulation between the amplifier and the source - usually a pickup or microphone. It may be your cables to your amplifier are bad, or the actual line out jack(s) may have gone bad. If it is more of a humming sound rather than feedback, that is most likely your issue. If you have additional patch cables, switch out the existing ones, and see if that ends it. If not, it is possibly the jack(s).
You have a headphone jack on the Behringer, though you did not say if the problem arises through the headphones or an external amplifier. If you get the noise in the headphones, when no patch cords or a mic is attached, then the problem you should look at is your headphones or the headphone jack. You can narrow the problem down by using an external ampifier and see if you still have the "feedback" sound. if not, it's in the headphones or headphone jack.
Please try and provide more information for this question if we are unable to track the problem with these suggestions. As we do try very hard to center in on customer's problems, we do ask to provide as much information as possible, so that we can facilitate your resonse more effeciently.
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SOURCE: my behringer djx700 does not work properly 2 use
Semiconductor things involved with sending the booth signals into the mains are:
IC2 which is a 5241 gate controlled by MIC_ON.
IC30 4580 summer for MIC and BOOTH.
IC53 4580 inversion and gain control.
IC39 4580 MAIN output drivers.
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