GSSL Turbo problem ! FIXED :-)

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Same problem here :(

Arghhhhh... so I decided to retro fit a turbo board to one of my old gssls...everythings wired up and i seem to have hit a snag...unit is wired for permanent turbo, as soon as unit is out of bypass meter pegs far right and no audio passes.

As as i disconnect turbo pcb everything goes back normal

If i disconnect 'c' connection from turbo pcb to mainboard the meter stops pegging and things start working again, same happens when i take thetl074 out of turbo pcb.

Very confused, whats the purpose of the 'c' connection anyhow? Havent got my head around the turbo board entirely...
 
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