[sdiy] Keyboard repair for an ARP SOLUS

[Grant Richter]

The keyboard contacts are dirty/oxidized and producing noise bursts  
(contact bouncing) when they make or break.
The portamento is a lowpass filter that removes the noise bursts  
after the keyboard circuit.
My guess is cleaning all the contacts with 91% isopropyl alcohol  
would improve or cure the noise problem.

On Nov 8, 2005, at 12:57 PM, Logan Mitchell Sr wrote:

> 11/08/2005
>
> I have an ARP Solus that produces key-press/key-release clicks that  
> only seem to go away when I increase the portamento. Does anyone  
> have a solution to this problem and/or the schematic diagram and  
> could this be an indication that the problem is in the portamento  
> circuit ? Thank.
>
> Logan Mitchell Sr
> Baltimore MD USA
>
> Yahoo! FareChase - Search multiple travel sites in one click.

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