core matt repair

Jules Richardson jules.richardson99 at
Tue Jul 20 18:04:52 CDT 2021

On 7/20/21 12:13 PM, pspan via cctech wrote:
> I worked at a company called DMA located in Amery Wisconsin during the 80's 
> and 90's that did do core mat repair. Yes, the gal that did the work used a 
> scope. She replaced cores and wires. Good luck finding someone to do that 
> work now. If I remember the process, first the mat was removed from the 
> driver assembly, then the varnish was removed. Then the mat was repaired 
> and revarnished and then reassembled and final test before returned to the 
> customer.

Oh, well there you go... perhaps the board that I have was repaired by the 
gal that you're talking about :-)

Unfortunately there are no initials on my board (as was often the case for 
board repairs), only a date and job number.


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