chassis interconnect wiring

 

Here are the interconnecting wires which will connect to the new circuitry.  As you can see, the wires pass through three holes to the 2nd chassis which will attach below.  This will all be covered up when the preamp board is re-installed, so I document it here.

Through the left hole, pass the +15VDC and gnd (thick red & white wires), the footswitch wires (four wires inside jacket -- see below), and the VTX pre-out signal (thin red).

Through the middle hole, pass the negative feedback wire (black), and phase inverter signals, phase(+) (yellow) and phase(-) (green).

Through the right hole, pass the +HV and gnd (untwisted thick red & white), and the 6.3VAC and gnd filament power (twisted thick red & white).


This documents the footswitch wires.  The colour assignments are (unfortunately but unavoidably) different from the colours of the wires in my "rewiring the footswitch" work.

black = FS.2 = rvb

red = FS.3 = phs

green = FS.5 = lead

yellow = FS.6 = norm

In each case, connecting the given wire to gnd (not included in this bundle) disables the associated function.


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