[sdiy] uWave xfer question

[Stewart Pye]

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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