[Elecraft] Re: K2 Condensation?

Geoffrey Mackenzie-Kennedy gmk at gm4esd.fsworld.co.uk
Wed Jul 5 10:21:11 EDT 2006


John,

The type of IC socket supplied with the K2 can cause problems after a while 
even in a house environment. A couple of years ago I had to change the 
Control Board's MCU socket in my K2 to a turned pin / machined pin type 
after the K2 shut down a couple of times. I have ALWAYS used the turned pin 
/ machined pin type of socket in my homebrewed equipment, and should have 
used them when building the K2.

I did not see Don's e-mail so I could well be repeating what he said. A 
quick check on socket corrosion if it is not too bad is to pull the IC and 
then put it back into its socket.

Good luck.

73, Geoff.
GM4ESD

----- Original Message ----- 
From: <jferg977 at aol.com>
To: <hottell at gulftel.com>
Cc: <elecraft at mailman.qth.net>
Sent: Wednesday, July 05, 2006 1:46 PM
Subject: [Elecraft] Re: K2 Condensation?


Dave,
This seems a good idea.  I had forgotten that some experienced mariner
once wrote that he left all his electronics on all the time - in
stand-by mode where possible and that this had considerably lengthened
their lives.  My current plan is to take the K2 apart and very closely
inspect all the surfaces and connections looking for discoloration and
perhaps flux which might be causing a bridge when wet.

Don Wilhelm ( thanks Don) concurred that replacing the supplied IC
sockets with ones having machined tinned terminals might help as well
as the flux removal.  We'll see.  In the meantime the Info80 message
goes off within about 20 seconds of firing up in the morning so it's
really only an annoyance,

73 John KI4NGH








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