OT - Roland TR-77 Modification Question

[BonoVox9 at aol.com]

Does anyone have a Roland TR-77 rhythm machine? I just got one and it appears 
someone had modified it. they added three strange pin connectors on the back 
of it. They cut two of the wires for the tempo control and that goes to two 
of the connectors, and the other has a purple wire attached to it, and I 
don't know where it goes. I see where the other two wires go, and I can put 
those back myself, but, I don't knwo where this purple wire goes. 

The person that i bought this from said they had it "connected to their 
baldwin organ". I don't know what that means.


Does anyone have one? If  you do, could you open it up and tell me where this 
wire goes? i can tell you where it's coming from,but, I don't know where it 
goes after that.  

any info would be appreciated
thanks
jason.