cleaning up edge connectors

Mike Katz bitwiz at 12bitsbest.com
Thu Apr 28 17:02:49 CDT 2022


I use DeOxit Gold to clean my PDP-8 boards edge conectors:

https://www.amazon.com/G5S-6-Enhancer-Protector-Surfaces-Integrated/dp/B003A7KHK8

On 4/28/2022 4:53 PM, geneb via cctalk wrote:
> On Thu, 28 Apr 2022, Bill Gunshannon via cctalk wrote:
>
>>
>> I am hoping to restore my TRS-80 Model-I(s).  As is usually
>> the case with these the edge connectors are badly corroded
>> and dirty and cleaning them with an eraser really doesn't
>> help much.  Back in the day there used to be something you
>> could get that let you "gold plate" the edge connectors.
>> Is anything like that still available?  How about reflowing
>> the pads using something like silver solder?
>> If neither of these is doable or practical, what are people
>> doing to clean up these connectors?
>
> Bill, you might want to look into these: (quantities assume you're 
> also working with an Expansion Interface)
>
> 40 pin - you'll need 3:
> https://www.elliottelectronicsupply.com/connectors/card-edge/male-card-edge-connector-40-position-1-inch-2-54mm-solder-eyelet-double-readout.html 
>
>
> 34 pin - you'll need 2:
> https://www.elliottelectronicsupply.com/connectors/card-edge/male-card-edge-connector-34-position-1-inch-2-54mm-solder-eyelet-double-readout.html 
>
>
> I found them while tracking down a replacement for one on a Model I 
> that had been severely damaged.
>
> g.
>



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