[Elecraft] Repair of K3 sub-boards

[Pete Smith]

I have just changed out the KIO3A main I/O board on my new K3 - an 
expensive lesson in lightning-induced EMP damage, I guess.  Too bad it 
wasn't the digital I/O daughter board, which is cheap by comparison.

Would there be any point in sending the $106 board back to Elecraft for 
diagnosis and repair, or is it generally not cost-effective to do so?  
If not, I'm tempted to try changing out U1 on my own, just to see if 
that's all that's wrong.

Opinions?

-- 
73, Pete N4ZR

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