Nomad 100 down - switching matrix?

I got my amp out of its case after three months and the **** thing wasn't putting out anything besides slight (normal) hum. I stuck a cord into the effects return and got some sound, so, I'm looking at the preamp. Rolled all the 12AX7s; nothing. So I tore into the thing, got it up on my bench with a signal generator and now CH1 and CH3 lights stay on, and for some reason, I'm getting output now. The controls for channel 1 work and channel 2 never comes on regardless of the channel knob position. I have the schematic, but, does anyone have a PC board layout for a Nomad 100? Quite tired of guessing what is what. Any suggestions? - Pat https://www.dropbox.com/s/9uuf45b2v75vkrx/20220313_191757.jpg?dl=0 https://www.dropbox.com/s/xixxdo3mfpo6j9v/20220313_191748.jpg?dl=0

After review; the 4.7v zener for the footswitch power supply appears to be shorted. I'll start there.