[sdiy] transformers and power supplies, etc... for newbie

[James Patchell]

Don't know if this will help you, but.....

http://www.oldcrows.net/~patchell/powersupply/powersupply.html


At 08:07 PM 2/5/2005 +0000, Tim J wrote:
>Ok, so I need to learn a bit about transformers and power 
>supplies.  Anyone know of any good online resources?
>
>I recently bought acquired an old korg micropreset synth.  Its in perfect 
>shape (even came with a hard shell case).  Unfortunately its 220v and I'm 
>in the US.  The fuse was also missing when I got it.  To get her running I 
>guess I need a step up transformer.  Do most transformers have taps for 
>110 and 220 volts?  There seem to be at least one unused tap on this 
>transformer.
>Also, can anyone test me how to test this transformer to find out if its 
>set up for us or european voltage?
>
>Lastly,  since nobody in my neck of the woods has a .2V fuse would using a 
>.25v fuse cause much of a problem?  I realize using a higher rated fuse 
>defeats the purpose of using a fuse but should this small difference cause 
>much of a problem?
>
>Thanks,
>Tim
>

         -Jim
***************************************************************
http://www.oldcrows.net/~patchell

***************************************************************