Vintage Synth Repair

>So now this is an appeal for either really, really good instructions
>on how to check on the electrons goin' round in the moog - like how to
>check the gate signal of the keyboard and the VCA, or an appeal for
>someone who is knowledgable in micromoogs to offer to repair it.

I'm not familiar with the Micromoog in specific so I can't really offer any 
finer details, but the basic idea is this: the gate signal from the keyboard 
(i.e whether a key is pressed or not) triggers the envelope (attack when the 
key is pressed down or release when it's let up), and the control voltage 
from the amplitude envelope goes to the VCA to determine the output 
amplitude.  Obviously somewhere in there something is messed up, the first 
thing you need to do is determine where the problem is, whether it's a stuck 
gate signal, bad envelope generator, or VCA.  As to where you might find the 
specific signals and what they should be, I have no idea.  A service manual 
would likely tell you a lot of what you want to know.

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