[Elecraft] KAT500 failure

[Keith Onishi]

I guess that the 10uF electric capacitor connected to LM7805 output is a possible cause.

73 de JH3SIF, Keith

> 2021/04/09 7:35、Andy Durbin <a.durbin at msn.com>のメール:
> 
> "I'm suspecting the KAT500 has a thermal problem.  Does anyone recognize these symptoms and know a probable cause?"
> 
> I put it in the fridge for 30 minutes and now it powers up normally, connects to KAT Utility and responds to utility commands.  It's clear it's a thermal problem but which component?
> 
> Wish I still had a can of freezer spray.
> 
> Andy, k3wyc
> 
> 
> 
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