Cap reformation question

Allison ajp166 at bellatlantic.net
Tue Dec 6 22:12:49 CST 2005


J.C. Wren wrote:
>    These are big mambo-jumbo caps in a linear supply, specifically a 
> nameless S-100 system.  I'm not sure if it's feasible to remove them.  
> They're screwed into the motherboard, and while I could disassemble the 
> motherboard from the chassis, it might still be a pain to get them out.
> 
>    Controlling the voltage into them is pretty easy, via the Variac.  
> Limiting the current is a whole 'nother problem.  Maybe a light bulb in 
> series with the Variac?
> 
>    --jc

For that case yes.  Variac to come up slow and low wattage lamp to limit
current.

S100 linear supplies are unregulated (usually) before they get on the bus
so a load is NOT needed.  Do insure the caps are discharged before inserting
any board.

Allison


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