KX-155 LEDs

Aaron Coolidge wrote:

: John, Cory, try this:
: Take the displays out. Burnish the silver contacts on the displays.
: I used a pencil eraser. Note that the contacts are not gold, if they
: were they would not tarnish. Put a bead of dielectric grease on the
: display's contacts. This will create a gas-tight contact, and keep
: the condensation from bleeding off the +150V used to light the
: displays. Put the displays back in.

I'll give that a try. I wasn't really excited about taking it
apart too much, since it works fine 95% of the time. Of course the 5% of
the time it doesn't work is before it dries out on a nice, humid, damp IFR
day when having a 2nd nav shortly after takeoff would be nice...


-Cory



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"Aaron Coolidge" wrote in message ...

Take the displays out. Burnish the silver contacts on the displays.
I used a pencil eraser. Note that the contacts are not gold, if they

They probably are not silver. Silver is too soft and tarnishes worse
than these do. They're probably some alloy of tin.