Cap reformation question

Subject: Re: Cap reformation question From: "J.C. Wren" <jcwren at jcwren.com> Date: Tue, 06 Dec 2005 23:34:42 -0500 To: General Discussion: On-Topic and Off-Topic Posts <cctalk at classiccmp.org> Sounds good. Last question (I think). Watt (!) constitutes low-wattage? 4W and 7W nightlights are easy to find. 40 watt oven bulb? --jc Allison wrote: > 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