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In the process of cleaning out the peanut shells stuck in my newly purchased M3 (i think it's a '58) I pulled the covers off the upper manual intention of doing a "poor man's foldback" on the upper notes. I saw an M3 youtube video showing the removal of conductors from a ground clamp and resoldered to the corresponding key terminals. Seemed simple enough, until I got the covers off and found no tone conductors terminated on a ground clamp but all tone conductors wired through a loom on the backside and none terminated to a visible ground.
I expect that I will have to abandon the idea of a upper manual foldback, but thought I'd ask the community if it is possible, and if so where I can find out how it's done. I'm putting a couple photos up to show how my upper manual is set up
I expect that I will have to abandon the idea of a upper manual foldback, but thought I'd ask the community if it is possible, and if so where I can find out how it's done. I'm putting a couple photos up to show how my upper manual is set up
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