Vintage Synth Repair

--- In vintagesynthrepair@yahoogroups.com, Daniel Forro <dan.for@...> wrote:
>
> Does somebody here have schematics of old power supplies Boschert  
> SL220 3605R and
> Lambda LOD-X-152? Both were used in early version of power pad for  
> Kurzweil K250. I'm trying to repair it to be able to continue with  
> repair of this instrument.
> 
> In Boschert switching power supply (+ 5 V/45 A) one fuse always blows  
> away after switching on.
> 
> Lambda linear power supply (+/- 15 V/2 A) works but  both output  
> voltages differ, when I set -15 Volts, + side gives only 11.5 V.
> 
> It would be a big help to me if somebody have Service Manual for this  
> instrument in electronic form and can send it.
> 
> Thanks for any advice.
> 
> Daniel Forro

Also:

www.K1000.net
>