[Elecraft] KPA500 Issue

[Jack Brindle]

The email I sent earlier. You might look in your junk folder, Jim…

73,
Jack, W6FB


> From: Jack Brindle <jackbrindle at me.com>
> Subject: Re: KPA500 Issue
> Date: March 31, 2022 at 2:40:26 PM CDT
> To: James Bennett <w6jhb at me.com>
> 
> On the KPA front panel, hold the menu button to go into the menus, then scroll down to the RADIO setting.
> 
> I’m contemplating why the KPA won’t go into OPER with the AuxIO cable installed. That doesn’t make sense. What version of firmware do you have installed? The KPA menu has a firmware selection that displays the version.



> On Mar 31, 2022, at 7:00 PM, James Bennett via Elecraft <elecraft at mailman.qth.net> wrote:
> 
> I was unable to try Jack’s suggestion of disconnecting the AUXIO cable - doing so made the KPA5000 not able to go into Operate mode. So, I wanted to do the other option he mentioned - changing the “radio” setting of the KPA to Serial or Analog. Unfortunately, I have no idea where that setting is. It isn’t in my version of the KPA Utility: V1.19.9.6. I sent Jack an email about it but he’s evidently off-line. Anyidea where that setting might be found?
> 
> My KPA shows the correct band on its display. The failure ONLY happens with the K3 powered off. When it is powered up and set to the correct band, the audio level in the IC-705 does not change when switching the amp from operate to standby.
> 
> Jim / K7TXA
> 
>> On Mar 31, 2022, at 4:39 PM, Andy Durbin <a.durbin at msn.com <mailto:a.durbin at msn.com>> wrote:
>> 
>> "However, what I’m seeing is that when the amp is in OPER mode, my receive signal strength drops way, way off to the point I have to go full AF volume to hear signals. If I put the amp in STBY, signal levels go back to normal."
>> 
>> These exact symptoms have been associated in past reports with a failure of the TR switch PIN diodes. Jack's idea of incorrect band can be easily confirmed, or eliminated, by looking at the KPA500 band display.
>> 
>> Andy, k3wyc
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