Re: [Elecraft] KX3/PX3/KXPA100 - PX3 taking 5 minutes to come on??? KXPA100 loses mind...
Hi David, I'd prefer to have folks that are experiencing this problem email me directly. That way I can determine the best resolution path. The fix involves replacing a surface mount capacitor which is located under the power supply board on the front panel board. Kindly, Paul -- View this message in context: http://elecraft.365791.n2.nabble.com/KX3-PX3-KXPA100-PX3-taking-5-minutes-to-come-on-KXPA100-loses-mind-tp7626738p7626855.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] KX3/PX3/KXPA100 - PX3 taking 5 minutes to come on??? KXPA100 loses mind...
Would you be willing to share this with the list? I'm curious as to what's entailed/what the modification does and how it might help! Thank you, David On Mon, Feb 13, 2017 at 11:00 AM, n6hz wrote: > Jack, > > I'll bet your PX3 needs a capacitor mod. Please email me directly, my > email > is pauls at you know where dot com. > > Kindly, > > Paul > > > > -- > View this message in context: http://elecraft.365791.n2. > nabble.com/KX3-PX3-KXPA100-PX3-taking-5-minutes-to-come- > on-KXPA100-loses-mind-tp7626738p7626803.html > Sent from the Elecraft mailing list archive at Nabble.com. > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to orma...@corenode.com > __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] KX3/PX3/KXPA100 - PX3 taking 5 minutes to come on??? KXPA100 loses mind...
Jack, I'll bet your PX3 needs a capacitor mod. Please email me directly, my email is pauls at you know where dot com. Kindly, Paul -- View this message in context: http://elecraft.365791.n2.nabble.com/KX3-PX3-KXPA100-PX3-taking-5-minutes-to-come-on-KXPA100-loses-mind-tp7626738p7626803.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] KX3/PX3/KXPA100 - PX3 taking 5 minutes to come on??? KXPA100 loses mind...
Hi Brian, Well it is usually about 65F(~18C) in the shack this time of year unless I turn on the space heater. Not really "cold" per se. The PX3 will misbehave on start up or after having been turned off for about 5 min. even in warmer times. I guess what I mean by cold is different from Canadian cold... :) Thanks for pointing that behavior out though... temperature may be an issue. Jack - KD4IZ On 2/12/2017 16:19, Brian Waterworth wrote: >>When the PX3 is powered on "cold", it takes about 5 minutes for the display to light up. Hi Jack, I recently experienced something similar to your PX3 situation. When you said "cold", I immediately perked up. During winter field day, I decided to take my PX3 with me. Our club worked outdoors in about -2C degree weather. The trailer I was in had a couple of portable space heaters. It felt like they were pumping out one BTU each :-). By the time I had the station setup, the temp increased to about 9C, maybe. It was still cold and I had to wear a coat. Anyway, I digress. When I powered on the PX3, the display was dark. Picked it up to hear the click of the power on. I heard a click. H. I tried a couple of times. I disconnected all the inter-connect cables and still no display. I was a bit cold and had just finished exerting a lot of energy with the setup (antenna as well), that I just left it disconnected and put it away. I was a bit dejected, but I had to focus on the task at hand, because WFD was going to start in moments. I should have left it turned on for a little while to see if the display came back on after the internal circuitry warmed up a bit. But that never occurred to me because every other display in my station came to life immediately. After the PX3 had a chance to settle at home in the warmer climes of my shack, I connected everything back up and lo and behold, the PX3 display lit up. I was quite relieved. I wrote off the experience to the fact that the PX3 didn't like the cold weather. I don't either :-) Anyway Jack, I am happy to be another voice when you go to Elecraft support regarding the PX3 display not turning on when the unit is cold. I don't know the actual temperature that the PX3 doesn't like. But I never had this issue before. I can turn on the PX3, when in the house, and it comes on immediately after having sat for days in my basement shack. Regards, Brian VE3IBW __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] KX3/PX3/KXPA100 - PX3 taking 5 minutes to come on??? KXPA100 loses mind...
> >>When the PX3 is powered on "cold", it takes about 5 minutes for the > display to light up. > Hi Jack, I recently experienced something similar to your PX3 situation. When you said "cold", I immediately perked up. During winter field day, I decided to take my PX3 with me. Our club worked outdoors in about -2C degree weather. The trailer I was in had a couple of portable space heaters. It felt like they were pumping out one BTU each :-). By the time I had the station setup, the temp increased to about 9C, maybe. It was still cold and I had to wear a coat. Anyway, I digress. When I powered on the PX3, the display was dark. Picked it up to hear the click of the power on. I heard a click. H. I tried a couple of times. I disconnected all the inter-connect cables and still no display. I was a bit cold and had just finished exerting a lot of energy with the setup (antenna as well), that I just left it disconnected and put it away. I was a bit dejected, but I had to focus on the task at hand, because WFD was going to start in moments. I should have left it turned on for a little while to see if the display came back on after the internal circuitry warmed up a bit. But that never occurred to me because every other display in my station came to life immediately. After the PX3 had a chance to settle at home in the warmer climes of my shack, I connected everything back up and lo and behold, the PX3 display lit up. I was quite relieved. I wrote off the experience to the fact that the PX3 didn't like the cold weather. I don't either :-) Anyway Jack, I am happy to be another voice when you go to Elecraft support regarding the PX3 display not turning on when the unit is cold. I don't know the actual temperature that the PX3 doesn't like. But I never had this issue before. I can turn on the PX3, when in the house, and it comes on immediately after having sat for days in my basement shack. Regards, Brian VE3IBW > > > > > > __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] KX3/PX3/KXPA100 - PX3 taking 5 minutes to come on??? KXPA100 loses mind...
If the kxpa100 power slide switch is OFF, the amp depends on periodic polls from the kx3 to keep it on. Dick, K6KR > On Feb 12, 2017, at 14:39, Don Wilhelm wrote: > > Jack, > > It would seem that you have tackled the most obvious stuff. > I don't know whether you have a bad display or not, so I suggest you contact > K3support to see if they might have seen a problem like that. > > I have heard about prior problems with PA MODE turning off, but I don't > recall what is to be done about it. A fault in the KXPA100 can cause it, and > the support folks may want a fault report from KXPA100 Utility. > > 73, > Don W3FPR > >> On 2/12/2017 1:51 PM, Jack Spitznagel wrote: >> All, (particularly Don or one of the kind folks at Elecraft support) >> >> There are two seemingly interrelated problems in this message that may >> indeed be independent. > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to d...@elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] KX3/PX3/KXPA100 - PX3 taking 5 minutes to come on??? KXPA100 loses mind...
Jack, It would seem that you have tackled the most obvious stuff. I don't know whether you have a bad display or not, so I suggest you contact K3support to see if they might have seen a problem like that. I have heard about prior problems with PA MODE turning off, but I don't recall what is to be done about it. A fault in the KXPA100 can cause it, and the support folks may want a fault report from KXPA100 Utility. 73, Don W3FPR On 2/12/2017 1:51 PM, Jack Spitznagel wrote: All, (particularly Don or one of the kind folks at Elecraft support) There are two seemingly interrelated problems in this message that may indeed be independent. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] KX3/PX3/KXPA100 - PX3 taking 5 minutes to come on??? KXPA100 loses mind...
All, (particularly Don or one of the kind folks at Elecraft support) There are two seemingly interrelated problems in this message that may indeed be independent. All other helpful souls - before you post an answer, please read this ENTIRE message. I am a tech type and no stranger to radio - computer control systems. I did check cabling to make sure it is OK, an solidly seated. Firmware is updated and I configured all devices from factory settings. My trusty KX3/PX3/KXPA100 kit has been on the shelf for an all too long respite because the antenna farm was one tree short. It is going back into regular service alongside an ICOM 7300 now before I build field day and trail "go kits" for my beloved KX3 system. Since it takes about 2 hours to get everything behaving here - this is going to be a lousy EMCOMM and Field Day solution... For the trail, it doesn't matter because the KX3 goes alone. Here goes: As I was bringing things back online today, I found a stickynote to self about an issue I had with the PX3 and the KXPA100 before I stopped using the kit in December. I am still observing the following behavior: When the PX3 is powered on "cold", it takes about 5 minutes for the display to light up. This occurs regardless of the power on jumper position which is currently back in the enable (pin3/4) position. This occurs whether the KX3 or the KXPA100 are cabled in. Once the PX3 is "warm". I can turn it off and then on again and it comes right back to life. During this PX3 "braindead" period, when the entire setup was cabled up, the amplifier will not work properly. To make things more annoying, after the 5 minute braindead spell is over and the PX3 is working and if the KXPA100 decides to cooperate, I have to go back into the menu, enable the KXPA100, then reset the power level for the whole system every time this happens... but the PA does not always stay on!!! Then I have to tweak the whole system until it decides to work... when the KXPA100 is enabled by the KX3 menu, it holds PA MODE ON a moment and then reverts to PA MODE OFF without my doing anything. Today in desperation, I tore everything down and re-connected several times and FINALLY all 3 unit talked to each other and the PA stayed on. This started occurring in the fall of 2016 (September or so), I do not recall that any of this happened when I first assembled the PX3 and began to use the KXPA100. So before the inevitable deluge of helpful "Did'ja look" comments come - current firmware is : KX3 is at MCU version 2.38, DSP is at 1.37 PX3 is at MCU revision 1.39 KXPA100 is at revision 1.39 AND ALL units are set for 38,400 and communicate with the computer. All cables have been checked and are properly seated. Thanks in advance for your help! Jack Spitznagel KD4IZ KX3 #6029 PX3#0941 KXPA#1488 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com