[Coco] Best way to clean up FD501 controller board.

[William Schaub]

I didn't unsocket the chips as they looked pretty good. I did take the 
toothbruch with alchohol to teh edge connectors as well. I pretty much 
scrubbed every inch. and its comming up now and the drive reads and 
writes fine.


Mark McDougall wrote:
> William Schaub wrote:
>
>> I just Gave this a try, all I could find was 50% isopropyil alcohol 
>> It seems to have worked quite well. I'm waiting for the alcohol to 
>> dry off and then I will give it another go hopefully it will work 
>> this time round. otherwise I will be wanting a new controller  I 
>> would be glad to give the non-working board as a source of parts.
>
> What exactly are you cleaning? Just a general clean of the PCBA 
> surface won't do a lot...
>
> You need to remove the socketed chips and clean the pins, and the 
> sockets if you can. Also paramount are the card-edge connectors on 
> either end of the board. Anything else is little more than cosmetic...
>
> Regards,
>