Update:
New 3SK40 I bought off of Ebay is bad.? Same problem as the old one: G2 is kaput.? So I ordered a NTE222 from Amazon.? Awaiting delivery.
I also found the ATTN switch has seen an EMP.?? Many of the resistors are fried & one was blown in two.
So now I wait....
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-Bob
Bob W8RMV