Discussion about the Korg PolySix synthesizer

Am using an original Korg Uk 240v txr. Does not get hot.
________________________________
From: Chromatest J. Pantsmaker<mailto:chromatest@azburners.org>
Sent: ‎04/‎03/‎2014 05:18
To: PolySix@yahoogroups.com<mailto:PolySix@yahoogroups.com>
Subject: Re: [PolySix] KLM376A1-PS delivering undervoltage at test points

The transformer might be under-sized... so it can't provide enough current,
so the voltage is dropping.  Does the transformer get hot?


On Mon, Mar 3, 2014 at 3:52 PM, tim p <target9@hotmail.com> wrote:

>
>
>  In my ongoing P6 power supply saga, have got UK transformer hooked up ok
> but test points are reading
>
> +5 = 3.6
> +15 = 10.8
> -15 = -10.7
>
> Is this likely a problem with the transformer or more likely the voltage
> regulating components on the 376 board? Rectifiers shot?
>
> Have tried adjusting trimpots but that does not make result in a
> noticeable voltage difference on the test points.
>
> Have tested the two main Caps and they are within tolerance.
>
> Any help or ideas appreciated.
>
> Cheers
>
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