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 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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