> The Tu-79 tone encoder has a row of diodes for  each tone,
 > theses are
 > in lu of a dip switch and it plugs into the 7950-30 radios on
 > the under
 > side via j5 with a 7 wire cable that comes to front of radio
 > to topside
 > where in the right front via 2 diagonal holes the modual is
 > mounted.
 >  
 > there is plenty of room to mount a csp-32 tone encode=decoder
 > inside,
 > is you need the schematic, i have the manual  that covers
 > both units.
 > ---
 > (1:154/280)
I looked inside the radio the other night and I think that I found the plug.  
Does the manual have the pin designations?  I have a tone board here that 
would work and might have the original coming from a friend.  Thanks for any 
help you can give me.  73 de N3WJA
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