[Coco] Coco keyboard trouble

[Steven Hirsch]

On Mon, 16 Jan 2012, Bill Pierce wrote:

>
> My current coco has an Eagle AT interface and the keys on the keyboard 
> are slowly going one by one as the pads are wearing thin. As I can't 
> find an old AT keyboard at the moment, I'm trying to get one of my old 
> Coco 3 keyboards to work again. I opened the coco keyboard and cleaned 
> all the contacts and reassembled. Dead keyboard. Upon further 
> inspection, there seems to be a trace on the ribbon cable coming from 
> the keyboard that is broken. It's the very first trace on the side that 
> has 2 traces then a missing trace. Is there anything I can use to 
> "paint" over the trace to make the connection? This trace is on the 
> clear plastic ribbon cable coming from the keyboard so it would have to 
> be something with conductivity and not melt the plastic.

Try using the conductive pens sold in auto parts stores for repairing 
rear-window defrosters.  I think Radio Shack also sells them.



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