[R-390] Rectifier Stack Replacement

Bob Camp ham at cq.nu
Mon Jun 18 20:22:06 EDT 2007


Hi

I lost one in a 390A a long time back. I have also blown them in a  
couple of other types of gear. Each time the failure was more than  
just obvious. Major stinky smoke. Nasty, clear the room for a day  
stuff. Not quite as nice as burning sulfur or a sneaker jammed in the  
dryer. More like a skunk burning ....

Absolutely no chance to miss the fact that one has let loose. When  
they go it's *obvious*.

Bob
KB8TQ


On Jun 18, 2007, at 3:39 PM, Barry wrote:

> Has anyone ever had one of these selenium rectifiers in the R-390  
> go bad?
> Yes? Not just hearsay but you had it actually happen to you?
>
> If so, report in.
>
> Don
>
> I bought an R390A chassis and the wires to the rectifier were cut.   
> The seller explained that he didn't know for sure, but the  
> rectifier might have blown and that's why wires were cut.
>
> He supplied a replacement rectifier (selenium) and I'll probably  
> replace it with that.
>
> Barry - N4BUQ
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