Vintage Synth Repair

Thanks !

--- In vintagesynthrepair@yahoogroups.com, "johnx66uk2003" <john@...>
wrote:
>
> Hi, 
> I have just looked at the PSU drawing. (I could not get the data sheet 
> to open.) Anyway,for what its worth and from using these in the past, 
> R4 and R5 make sure the + and - lines sit equally about the 0 
> volt/ground line. The output voltage is set by R3 and R7 with a final 
> trim of R7 if an exact voltage is needed. Was your voltage ever exactly 
> 15 volts. If not, provided that the DC voltages on C1 and C2 are above 
> +17 and -17 volts, then just forget it. Your PSU output voltages are 
> fine and so are TR1 and TR2. 
> JohnB
> 
> --- In vintagesynthrepair@yahoogroups.com, "gil_we" <gil_we@> wrote:
> >
> > Ok, thanks buddies ;)
> > 
> > It just courious me why the voltage would drop anyway....
> > 
> > 
> > 
> > 
> >
>