Vintage Synth Repair

For those of you interested, I posted a couple pictures of this 
mechanism on my Flickr site:
http://flickr.com/photos/korkeesdad/
Perhaps this will help those of you who have not seen what this looks 
like an idea of what is being discussed.

Bob





--- In vintagesynthrepair@yahoogroups.com, "fsimon100" 
<fsimon001@...> wrote:
>
> H-100
> My preset keys won't stay engauged. How do you disassemble to get 
> underneath keys to fix. Also I have low volume if I hold them down 
> manually. 
> I know final tube outputs are good but not sure where the low 
signal 
> is. Do I scope out from the tonewheel somewhere then at a pre-amp. 
Like 
> I said I injected a tone into the final tube amps and have strong 
final 
> stage.
>