SV: [sdiy] cloning the dr-110 - schematic question

[Karl Ekdahl]

Thanks.

Karl

--- karl dalen <dalenkarl at yahoo.se> skrev:

> 
> --- Karl Ekdahl <elektrodwarf at yahoo.se> skrev:
> 
> > First off i'd like to ask if replacing the
> 2SC2603F
> > with BC547, the 2SA1115F & 2SC945K with BC557 and
> > 1SS133 with 1N4148 was a bad call? It seems to be
> > working so far...
> 
> No bad, check for same beta/gain/hfe.
> > 
> > But, my main question is the (13) symbol at the
> snare
> > part of the schematic (by r110), what is that
> supposed
> > to be connected to?
> 
> To nothing, its a signal test point for your scope
> probe!
> 
> KD
> 
>  Anyone? The schematic can be found
> > here: 
> >
>
http://www.physicsenterprises.andrews.edu/diy_archive/schematics/drums/dr110/dr110.gif
> > (as usual, beware of wrap)
> > 
> > thanks
> > 
> > Karl
> > 
> 
>