Cap reformation question
J.C. Wren
jcwren at jcwren.com
Tue Dec 6 22:34:42 CST 2005
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
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