TU56/TC11 restoration - VARIAC question

Jules Richardson julesrichardsonuk at yahoo.co.uk
Thu Mar 17 14:31:00 CST 2005


On Thu, 2005-03-17 at 11:23 -0800, O. Sharp wrote:
> The Variac Method: Since cap reformation is usually an issue with old 
> power supplies, and the power supplies are specifically converting AC 
> voltages to DC, you can use the variac to supply the entire unit with 
> ridiculously low AC voltage and let the power supply figure it out for 
> itself.

Caveat being that it'll only work with linear supplies, not switchers of
course :-)  (I know we're really only talking about linears here - but
just for clarity!)

cheers

J.



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