Problem active electronic on HOHNER B2A

[milsilhel]

I have a very good HOHNER B2A with an active electronics. I received this guitar as a gift. The problem is that someone touched this active electronics. Please, if someone can send me a circuit board printed circuit boards of this electronics or to picture and send me some kind of cables and connect them to potentiometers. I found a viring diagram on the Internet, but I did not find a scheme electronics. PLEASE HELP

 

[danesdad]

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Not sure if this helps .