[sdiy] Korg DW-8000 power supply help?

[Ingo Debus]

Am 05.11.2010 um 21:19 schrieb Eric Frampton:

>
>> That's the longest time constant I've ever seen - half an hour !
>
> Oh, it gets better. So after a half-hour, the voltage on that reg.  
> hits 4.95, the CPU board comes up, and the instrument springs to  
> life. I reloaded the factory patches, started playing, and could  
> make out sound but it was incredibly distorted and full of DC-type  
> hum. But funny, as I let the machine run over the course of another  
> hour or so, the audio cleared up completely except for the effects  
> board. Thinking I was on to something, I then let it run overnight,  
> came back the next morning, and the effects board audio was  
> completely clean. So the unit seems to be working 100% now by  
> replacing that cap and just leaving it running.

Recently someone suggested to me to find bad electrolytics by heating  
them up with a hair dryer. He said, sometimes they re-gain  
capacitance (or ESR goes down?) when getting hot.

Does the unit still work good after being off for some time?

Ingo