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Vintage Synth Repair

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Re: Maestro Rhythm Jester - Conversion to UK power supply?

2011-06-04 by nervejam

I'd thought of that, but I was trying to make a "clean" job of it.
Hmm. If I could borrow a converter, I could measure the voltage output and find one that had the same output from 230v..
Pity the PCB doesn't have "0v" and "+Xv"..

--- In vintagesynthrepair@yahoogroups.com, "Brian" <brian@...> wrote:
>
> Your simplest bet is to buy a small auto-transformer that will convert the
> 230V UK mains to 117V Canadian mains, readily available from maplin, TS
> Components etc.
> 
>  
> 
> Regards
> 
> Brian G3OYU
> 
>  
> 
> From: vintagesynthrepair@yahoogroups.com
> [mailto:vintagesynthrepair@yahoogroups.com] On Behalf Of nervejam
> Sent: 04 June 2011 2:47
> To: vintagesynthrepair@yahoogroups.com
> Subject: [vintagesynthrepair] Maestro Rhythm Jester - Conversion to UK power
> supply?
> 
>  
> 
>   
> 
> I have a Maestro Rhythm Jester (RJ-1) drum machine, which I bought years ago
> from Canada (I think).
> It has Canadian power input (117v, 50/60 Hz). Says 3W on the back.
> I'm in the UK, and want to convert to 230v/50Hz. Unfortunately, I have NO
> other info on this machine.
> The Canadian transformer has two black wires going into the primary, and two
> blue ones coming out of the secondary. The code on the transformer says
> KS-T-0013. Anyone have any idea what sort of replacement transformer I need?
> Or how to analyse the existing one?
> All help gratefully received..
>

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