🚀 go-pugleaf

On Mon, 30 Dec 2002 19:26:14 -0500, "richard kimber"
<479kimber@comcast.net> put finger to keyboard and composed:

>I have a switching pc power supply off a 4 year old PC presently configured
>for 220 V AC input and I would like to alter it to run on 110V input.  The
>label says that it is a dual input type and that it may be switched
>accordingly.  However, there is no such switch and I'm wondering whether two
>free terminals on the PCB with a rectangle drawn around them (labelled
>110V - 220V) represent the location where two switch leads are intended to
>be soldered in place and when the switch is thrown to closed circuit thereby
>joining these two terminals - whether that is a voltage halver (it seems to
>connect to some resisters that might have that effect).  If so, then I plan
>to solder in a bridge.

Yes, that should work. You will find that one side of the header
connects to Active or Neutral, while the other side connects to the
common terminal of the two main filter capacitors.

See this ATX PSU circuit diagram:
 http://www.pavouk.comp.cz/hw/en_atxps.html 


-- Franc Zabkar

Please remove one 's' from my address when replying by email.