[R-390] re: tube extenders

[David C. Hallam]

Also check to see if the pins are connected to the correct tabs.  I friend
of mine went crazy trying to trouble shoot a Johnson 500 until he found that
one of his socket extenders had a pin connected to the wrong tab.

David
KC2JD/4

> -----Original Message-----
> From: r-390-bounces at mailman.qth.net
> [mailto:r-390-bounces at mailman.qth.net]On Behalf Of wli
> Sent: Saturday, August 11, 2007 10:28 PM
> To: Perry Sandeen
> Cc: R-390 at mailman.qth.net
> Subject: [R-390] re: tube extenders
>
>
> Perry:
>
> Tube extenders are useful. Look in those myriad of
> unmarked boxes at hamfests. I found mine there for $2
> apiece last year. You have to be on the lookout as
> they do not turn up often....
>
> One caveat: some of them may have a busted wire
> INSIDE. Pays to check continuity between the pin and
> the test point as well as the socket hole. I had two
> such *defective* extenders, easily fixed with a short
> piece of bare wire and a little surgery on the device.
>
> I understand that many of us never use them, they are
> better at diagnosis than I;.... and I need all the
> help I can get.......
>
> W. Li
> Mercer Island, WA
>
>
>
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