[sdiy] uWave xfer question

[cheater cheater]

> Since the old transformer is still working you can measure the output
> voltage. You can also measure the current draw to work out the VA rating you
> need on the new transformer.

>From the description, the transformer might be broken, so I wouldn't
rely on what it does now. Above advice is pretty good though if you're
working with something functioning that you just want to change to a
different AC voltage.

Try asking on the Waldorf User List, more than likely someone will
have the schems.

HTH
D.

On Sat, Mar 27, 2010 at 22:50, Stewart Pye <stewpye at optusnet.com.au> wrote:
> Hi Jason,
>
> Since the old transformer is still working you can measure the output
> voltage. You can also measure the current draw to work out the VA rating you
> need on the new transformer.
>
> Cheers,
> Stew.
>
>
> Jason Proctor wrote:
>>
>> i have here a rev A Waldorf Microwave 1 with what i think is a busted
>> xfer. apparently while with its previous owner a supply cap shorted, and
>> after the caps were replaced the xfer ran very hot and unreliably. given
>> that, and the fact that i'm in the USA and it's an Australian (230v) model,
>> i'm thinking i will replace the xfer anyway and then go looking for other
>> things that might be up.
>>
>> so far i've not been able to talk anyone into giving me the actual specs
>> for the stock xfer, which is a bit odd given that this has happened to
>> others.
>>
>> i see regs for +/-12, +8 (?), and +5 for the digital side. could i run the
>> whole thing off a sufficiently beefy +/-15 supply?
>>
>> thanks for any help with this,
>> J
>>
>>
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