Hmmm ... I don't have a PA Temp problem, but ...

Occasionally, a tap or hold on a switch will cause some other action other than the desired one. During NAQP SSB, I was running KPA500 off but with the KAT500 [KAT3 bypassed]. The 500 was having some problems on 160, so I bypassed it and was going to try the KAT3. When I held the ATU switch to turn it on, the AGC shut off. First time that's ever happened. My hearing is very bad [disappeared one night on a mountain on the other side of the planet in my 20's], but believe me, it was LOUD in the phones. Took about an hour for my ears to recover.

Is this symptomatic of the "Gold Pins Problem?"

K3 S/N 642, I built it and basically, it works perfectly except for this anomaly. Next time I decide to use the KAT3, I'll take the cans off first.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2014 Cal QSO Party 4-5 Oct 2014
- www.cqp.org

Anomaly [ah-NOM-ah-lee] n. A term used by NASA to indicate anything from a burned out light bulb to the rocket landing pointy end down outside Phoenix.

On 1/21/2014 9:36 AM, KENT TRIMBLE wrote:
To validate Wayne's suggestion . . .

K3 serial numbers 008 and 021 both exhibited this problem within two
years of their 2007 manufacture, and both were cured with the gold-pin
replacement fix.

Neither have exhibited any further misbehavior in the intervening years.


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