From: steve@easynn.com   
      
   On Sat, 6 Aug 2022 11:46:32 -0700 (PDT), Charles Lucas   
    wrote:   
      
   >   
   >> > The article to which you repled was posted April 15, 2000.   
   >> >   
   >> With a problem like that, my first shot would be to sparingly,   
   >> start hitting single parts in that area with cold spray, and see if the   
   >> color came back.   
   >> If not, then start troubleshooting. That even had success during the 1980s!   
   >>   
   >   
   >Another technique is to heat the IC up with a hot hair dryer to see if you   
   can get   
   >it to act up that way. This worked during the 1980's also. Overheating   
   microprocessors   
   >beyond their temperature coefficients can be dodgy... They can be tricky.   
   >   
      
   I used a soldering iron without any solder to heat individual   
   components, hair dryers tended to heat everything up at once. That was   
   a long time before the 1980's   
      
   Steve   
   --   
   Neural Network Software for Windows                 http://www.npsnn.com   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)