electrolyzing a TB-303 (weird repair story)

[Fraser, Colin J]

> -----Original Message-----
> From: Heiko van der Linden [mailto:h.j.vanderlinden at el.utwente.nl]
> Sent: 25 September 2000 09:41
> To: Synthesizer DIY List
> Subject: electrolyzing a TB-303 (weird repair story)
> 
> And here comes the weird
> part: two of the RAM chips had both their pins 20 eaten away. 
> Since pin 20
> is the plus pole
> the only thing that comes to mind is that the rain water was 
> electrolyzed
> during the 5 minute
> turn-on period. 

Remember the 303's RAM chips are always powered on as long as there are
batteries inside.
The corrosion was possibly happening over a long period anyway, and was
brought to a climax by the rain...

Colin f