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   comp.sys.tandy      Life is dandy cuz you're gettin a Tandy!      5,684 messages   

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   Message 5,594 of 5,684   
   Black Epyon to butter...@gmail.com   
   Re: Tandy 1000ex stuck input?   
   11 Oct 21 11:49:32   
   
   From: Blackepyon01@yahoo.ca   
      
   On Sunday, 10 October 2021 at 15:12:05 UTC-7, butter...@gmail.com wrote:   
   > So i need to dismantle the keyboard and follow the circuit from the left   
   arrow key all the way through the ribbon cable header into the 8048 and look   
   for a break?    
   >    
   > Also, nothing appeared corroded on the keyboard in any way and the 8048   
   microcontroller looked visually fine.    
   >    
   > Will be getting pictures soon.   
   I don't think you'd find a break necessarily, but something that looks like it   
   might be shorting or sticking. Perhaps something stuck under the keyboard   
   before the mylar membrane that could be causing it to contact. I'm surprised   
   it isn't beeping at you    
   constantly from a sticky key. Also check to see that nothing is shorting   
   beneath the motherboard around that 8048 and J3/J4 and J7.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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