Charles A Davis wrote:
>
> Sam Ismail wrote:
> >
> > Ok, I'm no electrical wiz. I have an old computer that wants 220. First
> > of all, I got this computer without the 3-prong plug (it'd been cut off).
> > Without paying attention to the "220" which was written on the transformer
> > inside, I wired a plug onto the power cord and plugged it in. Needless to
> > say the unit didn't come on, but I'm hoping that it didn't mess anything
> > up. I wouldn't think it did.
> >
> > Anyway, what can I do to run this thing off of 110? The transformer has a
> > solid black lead going to the black wire of the power cord (through the
> > switch), a black lead with a white stripe looped back into the xformer via
> > a white lead, and a blue lead with a white stripe connected to the red
> > wire of the power cord (through the switch with an inline fuse...the fuse
> > is fine).
> >
> > The side connected to the cpmputer board has a rainbow of seven colored
> > wires in the order (from left to right): brown, red, orange, yellow,
> > green, blue, violet.
> >
> > 1547 is stamped on the transformer. ?.
> >
> > I'd like to make this run off 110 without having to modify the actual unit
> > itself.
> >
> > Sam Alternate e-mail: dastar_at_siconic.com
> >
>
> Sam:
> You are in luck. From your description of the wires available ----
>
> (Check with an Ohm meter for continuity to be sure.) The White, and
> Black wires _should_ be the ends of 'ONE of TWO' 110v windings.
>
> (1) After making sure that they are the ends of the same winding, apply
> 110v.
>
> (2) Add the Black w/White stripe to the Black connection, and _carefully
> measure the voltage between the White, and Blue w/White stripe. It will
> be either '0', or '220' volts.
ADDITION to (2) above. [ Also the voltage between the 'Black w/White
stripe' and 'Blue w/White stripe will be 110v.]
>
> (3) IF it is zero,
AND the addition (above) is true.
> then that wire (Blue w/White stripe) hooks to the same place as the White wire,
>
> (3a) If the voltage is '220', then the Black w/White stripe goes with
> the White wire, and the Blue w/White stripe goes with the White wire.
>
> Chuck
>
Sorry for the omission above.
Chuck
--
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He, who will not reason, is a bigot; William Drumond,
he, who cannot, is a fool; Scottish writer
and he, who dares not, is a slave. (1585-1649)
While he that does, is a free man! Joseph P. 1955-
-----------------------------------------------------------
Chuck Davis / Sutherlin Industries FAX # (804) 799-0940
1973 Reeves Mill Road E-Mail -- cad_at_gamewood.net
Sutherlin, Virginia 24594 Voice # (804) 799-5803
Received on Sat May 23 1998 - 14:48:53 BST