[Elecraft] KX3PD missing some "dits" (?)

[stan levandowski]

  Don, I *thought*  Wayne's fix had solved the problem but it's back 
"big time" and still only affects the dits.  I was so confident I'd 
solved it that I took the KX3 to the top of an 1800' mountain today and 
made two QSOs that were full of sending errors.  I decided to QRT early 
and preserve what remained of my reputation as a CW op.  I was so 
confident that I didn't bring a spare key along.    On the plus side the 
KX3 was a joy to use and a K3 op in TN thought it sounded real good. 
Tomorrow I'll call Elecraft Service and see what they want me to do. 
On Sat, Jun 9, 2012 at 5:29 PM, Don Wilhelm wrote:

   Stan,

Information from Wayne on May 15 is below - try it.

73,
Don W3FPR
-------------------------------------------------------------------
A few KXPD3 users have found that the paddles operated 
intermittently.
This can be easily corrected.

First, completely remove one of the paddle thumbscrews. Next, using 
a
drill bit that's somewhat larger than the #4 hole, add a * very * slight
bevel (countersink) to the hole. This will remove a small amount of
the black anodizing, allowing the thumbscrew to make consistent
electrical contact with the keyer paddle housing. (The thumbscrew's
post flares slightly where it joins the face; the flared area will
contact the bevel in the aluminum.)

We've already added this step for KXPD3s shipped starting today.

73,
Wayne
N6KR
 
-----------------------------------------------------------------------------

On 6/9/2012 8:08 PM, stan levandowski wrote: Is anyone else seeing the 
following:  KXPD3 randomly fails to produce a
*beginning* "dit" - happens infrequently; perhaps once or twice every
couple hundred characters.  Issue does *not* occur with external paddle
via key jack on left side.