Re: Orban 111B voltage selector
- From: kludge@xxxxxxxxx (Scott Dorsey)
- Date: 4 Jun 2007 10:24:14 -0400
tonetony <atsoukatos@xxxxxxxxxxxxxx> wrote:
Tim thanks for that. Unfortunately the schematic does not actually
represent how everything is laid out on the board and i cannot seem to
find the jumbers anywhere.
There are four wires coming out of the primary of the power transformer.
Look at what they connect to.
They go to two windings. If the windings are connected in series, it's
set for 240V. If they are connected in parallel, it's set for 120V.
If they are either in series or parallel but one of them is out of
polarity, the transformer will get hot and there will be no voltage
on the secondary.
If you see only two wires coming out of the power transformer primary,
the transformer is not capable of dual-voltage operation and you will
need to replace it with one that is (I like the Talema toroids even
though they aren't as cheap as they were a couple years back.)
--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."
.
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