|
Re: 100 watt PA issue
K9MA
L23 is in the 20/30m low pass filter.
The only thing I can imagine could cause it to fail is a very
badly mismatched load with just the wrong impedance. It's also
possible, of course, that L23 was just defective.
It would not have affected operation on
any other bands.
73,
Scott K9MA
On 5/3/2020 18:37, Jeffrey griffin
wrote:
-- Scott K9MA k9ma@...
|
|
|
|
Re: 100 watt PA issue
According to the schematic I have, L23 is part of the 20/30 meter output LPF. If it's been overheated I suspect a mismatched load was encountered at some time. Does your problem occur only 30 and/or 20 meters? If so, I think you have your answer. Wes N7WS
On Sunday, May 3, 2020, 4:37:40 PM MST, Jeffrey griffin <kb2mjeff@...> wrote:
Well I was asking anyone if they had a clue about L23, I guess not :-)
I will call Elecraft tomorrow…
73 Jeff kb2m
From: Elecraft-K3@groups.io <Elecraft-K3@groups.io> On Behalf Of Wes Stewart via groups.io
And the IMD will be awful.
Wes N7WS
On Sunday, May 3, 2020, 2:59:43 PM MST, john ni0k <jasimmons@...> wrote:
Running 12 watts on data modes is bad. The low power PA won't withstand that.
|
|
|
|
Re: 100 watt PA issue
Jeffrey griffin
Well I was asking anyone if they had a clue about L23, I guess not :-)
I will call Elecraft tomorrow…
73 Jeff kb2m
From: Elecraft-K3@groups.io <Elecraft-K3@groups.io> On Behalf Of Wes Stewart via groups.io
Sent: Sunday, May 03, 2020 18:34 To: elecraft-k3@groups.io; Elecraft-K3@groups.io Subject: Re: [Elecraft-K3] 100 watt PA issue
And the IMD will be awful.
Wes N7WS
On Sunday, May 3, 2020, 2:59:43 PM MST, john ni0k <jasimmons@...> wrote:
Running 12 watts on data modes is bad. The low power PA won't withstand that.
|
|
|
|
Re: Factory service still available? [WSJT-X bug?]
Rick <rick.22202@...>
Precisely. Same issue here. The fact that the TX audio "comes back" when WSJT-X is restarted seems to strongly suggest the issue is with WSJT-X. I have the same issue with no transmit audio. This occurs after my screen power setting turns off my display. Upon turning the display back on, no transmit audio is sent. Once this happens, I can restart WSJT to fix it. Or change the TX sound card to a wrong value and then change it back to the correct value. Interesting once I fix it this way, further screen power being turned off does not cause the problem. This has to be a WSJT bug.
|
|
|
|
Re: 100 watt PA issue
And the IMD will be awful. Wes N7WS
On Sunday, May 3, 2020, 2:59:43 PM MST, john ni0k <jasimmons@...> wrote:
Running 12 watts on data modes is bad. The
low power PA won't withstand that. -de John NI0K Jeffrey griffin wrote on 5/3/2020 12:35 PM: Last summer I was running more data modes (FT8) when I started having an issue with the 100 watt PA failing with a ERR 12V message. I then did the KP3A power connector replacement. This worked fine for a few months. It was working fine till I once again noticed a strong burnt electronics smell coming from the K3's PA. I at that time just used it at 12 watts to Drive the KPA500 for a while as this worked fine. Today I decided to take it apart and try to determine what the issue is. After removing the KP3A module I noticed that L23 on the main board is severely heat damaged. I wasn't expecting this, I was looking to inspect the power connector that I had fixed with the gold pins 6 months ago. Anyone have any thoughts on why L23 would fail? Before I send it to Elecraft. Thanks... 73 Jeff kb2m
|
|
|
|
Re: Elecraft K3 for sale ...
Clay Autery
They are just communicating the general
disdain for folks trying to run an auction on and Elecraft
group. Set an asking price, and be done with it. This ain't e-Bay! ______________________ Clay Autery, KY5G (318) 518-1389 On 05/03/20 14:14, Jerry wrote:
I see a trend here and it gonna get ugly! -----Original Message----- From: Elecraft-K3@groups.io <Elecraft-K3@groups.io> On Behalf Of Ware Master Sent: Sunday, May 3, 2020 14:12 PM To: Elecraft-K3@groups.io Subject: Re: [Elecraft-K3] Elecraft K3 for sale ... My bid 52$On May 3, 2020, at 1:16 PM, Martin Kratoska <martin@...> wrote: my bid: $51 :-)))))) 73, Martin, OK1RR Dne 03. 05. 20 v 17:05 dean laclair napsal(a):I'll start the Bidiing out at $50On Sun, May 3, 2020, 08:22 Olli <droese@...> wrote: For sale in Germany (preferably) or Europe: K3/100-F #8232 Factory Assembled, including: KRX3 Sub RX module KFL3A-2.7k 2.7 kHz Roofing Filter in Main RX KFL3A-2.7k 2.7 kHz Roofing Filter in Sub RX (matched to main RX) KFL3A-500 500 Hz Roofing Filter in Main RX KFL3A-500 500 Hz Roofing Filter in Sub RX (matched to main RX) KFL3B-FM 15 kHz AM/FM b/w Roofing Filter in Main RX KXV3A RX Ant / IF Out / Transverter Interface Board K144XV 144-148 MHz 10 W Internal Transverter Modul Transverter K144RFLK Reflock-Board for Internal 2 m Transverter Package & postage within Germany to be paid by me. To be negotiated for sale in Europe. Highest bid wins. ;-) 73, Olli - DH8BQA -- Contest, DX & radio projects: https://www.dh8bqa.de/
|
|
|
|
Re: 100 watt PA issue
Jeffrey griffin
I remember all of this now. Actually I was running about 7 watts to drive the AMP after I had the PA failure at 100 watts, there were no issues at 7 watts. I was trying to make the point that I was avoiding the 100 watt PA by running under 12 watts. Sorry for the confusing first email. This all happened in October while I was still at my summer home. Been awhile, I just got around to working on this here in Florida today. Use my Flex 6500 here and the K3 sat since November as I use it just in NJ but brought it here to work on. So to clarify the problem was at 100 watts or so while running data modes, SSB QSO’s were no issue. Data contacts at 7 watts to drive the KPA500 was also no problem. I never had a problem with my K3 since 2007 until last year or so with the more frequent data mode duty cycles ☹
73 Jeff kb2m
From: Elecraft-K3@groups.io <Elecraft-K3@groups.io> On Behalf Of john ni0k
Sent: Sunday, May 03, 2020 17:59 To: Elecraft-K3@groups.io Subject: Re: [Elecraft-K3] 100 watt PA issue
Running 12 watts on data modes is bad. The low power PA won't withstand that. Last summer I was running more data modes (FT8) when I started having an issue with the 100 watt PA failing with a ERR 12V message. I then did the KP3A power connector replacement. This worked fine for a few months. It was working fine till I once again noticed a strong burnt electronics smell coming from the K3's PA. I at that time just used it at 12 watts to Drive the KPA500 for a while as this worked fine. Today I decided to take it apart and try to determine what the issue is. After removing the KP3A module I noticed that L23 on the main board is severely heat damaged. I wasn't expecting this, I was looking to inspect the power connector that I had fixed with the gold pins 6 months ago. Anyone have any thoughts on why L23 would fail? Before I send it to Elecraft. Thanks...73 Jeff kb2m
|
|
|
|
Re: 100 watt PA issue
john ni0k
Running 12 watts on data modes is bad. The
low power PA won't withstand that. -de John NI0K Jeffrey griffin wrote on 5/3/2020 12:35 PM:
Last summer I was running more data modes (FT8) when I started having an issue with the 100 watt PA failing with a ERR 12V message. I then did the KP3A power connector replacement. This worked fine for a few months. It was working fine till I once again noticed a strong burnt electronics smell coming from the K3's PA. I at that time just used it at 12 watts to Drive the KPA500 for a while as this worked fine. Today I decided to take it apart and try to determine what the issue is. After removing the KP3A module I noticed that L23 on the main board is severely heat damaged. I wasn't expecting this, I was looking to inspect the power connector that I had fixed with the gold pins 6 months ago. Anyone have any thoughts on why L23 would fail? Before I send it to Elecraft. Thanks... 73 Jeff kb2m
|
|
|
|
Re: Elecraft K3 for sale ...
Ware Master
Agreed hence the ridiculously low bids
toggle quoted messageShow quoted text
On May 3, 2020, at 4:54 PM, Charlie T, k3ICH <pincon@...> wrote:
|
|
|
|
Re: Elecraft K3 for sale ...
Charlie T, k3ICH
I thought “auctions” were not allowed on this site (???)
Chas
From: Elecraft-K3@groups.io <Elecraft-K3@groups.io> On Behalf Of dean laclair
But honestly, what's your price? I'm sure folks would like an idea. The auction site is over there. Thanks, 73
Dean /K2WW
On Sun, May 3, 2020, 08:22 Olli <droese@...> wrote:
|
|
|
|
Re: Elecraft K3 for sale ...
Jerry
I see a trend here and it gonna get ugly!
toggle quoted messageShow quoted text
-----Original Message-----
From: Elecraft-K3@groups.io <Elecraft-K3@groups.io> On Behalf Of Ware Master Sent: Sunday, May 3, 2020 14:12 PM To: Elecraft-K3@groups.io Subject: Re: [Elecraft-K3] Elecraft K3 for sale ... My bid 52$ On May 3, 2020, at 1:16 PM, Martin Kratoska <martin@ok1rr.com> wrote:
|
|
|
|
Re: Elecraft K3 for sale ...
Ware Master
My bid 52$
toggle quoted messageShow quoted text
On May 3, 2020, at 1:16 PM, Martin Kratoska <martin@ok1rr.com> wrote:
|
|
|
|
100 watt PA issue
Jeffrey griffin
Last summer I was running more data modes (FT8) when I started having an issue with the 100 watt PA failing with a ERR 12V message. I then did the KP3A power connector replacement. This worked fine for a few months. It was working fine till I once again noticed a strong burnt electronics smell coming from the K3's PA. I at that time just used it at 12 watts to Drive the KPA500 for a while as this worked fine. Today I decided to take it apart and try to determine what the issue is. After removing the KP3A module I noticed that L23 on the main board is severely heat damaged. I wasn't expecting this, I was looking to inspect the power connector that I had fixed with the gold pins 6 months ago. Anyone have any thoughts on why L23 would fail? Before I send it to Elecraft. Thanks...
73 Jeff kb2m
|
|
|
|
Re: Elecraft K3 for sale ...
Martin Kratoska <martin@...>
my bid: $51 :-))))))
toggle quoted messageShow quoted text
73, Martin, OK1RR Dne 03. 05. 20 v 17:05 dean laclair napsal(a):
I'll start the Bidiing out at $50
|
|
|
|
Re: K3 KIO3B Line In problem - no audio into K3
Joe Subich, W4TV
Yes, there is a setting for the K3 to recognize the KIO3B in the menuI was questioning whether the K3 was seeing the KIO3B and not selecting the Line IN but that's probably not the case. 73, ... Joe, W4TV On 2020-05-02 12:36 PM, Edward Seeliger KD5M wrote: Good morning Joe.
|
|
|
|
Re: Factory service still available?
John Canfield <bucket@...>
I was guessing they are probably not accepting stuff for repair but I wanted to find out for sure.
Thanks for the suggestions about WSJT-X being the root cause of the no transmit problem, I have indeed run into some odd operational quirks with the software. I was also having a very intermittent issue where I assume WSJT-X wasn't commanding the radio to go back to receive. Thinking about the situation, I can easily isolate the problem to the radio or PC. 73 de John WB5THT
|
|
|
|
Re: Factory service still available?
David Ferrington, M0XDF
Yes, perhaps not right now
toggle quoted messageShow quoted text
73 de David, M0XDF (K3 #174, P3 #108) --
I have never met a man so ignorant that I couldn't learn something from him. -Galileo Galilei, physicist and astronomer (1564-1642)
|
|
|
|
Re: Factory service still available?
Ed Pflueger
I heard NO. But really need to hear from the Elecraft folks to be sure.
toggle quoted messageShow quoted text
Ed.. AB4IQ
-----Original Message-----
From: Elecraft-K3@groups.io [mailto:Elecraft-K3@groups.io] On Behalf Of Edward McCann Sent: Sunday, May 3, 2020 10:52 AM To: Elecraft-K3@groups.io Subject: Re: [Elecraft-K3] Factory service still available? But, to the original question, is Elecraft accepting its manufactured equipment for update and/or repair? Ed McCann AG6CX On May 3, 2020, at 6:42 AM, John Canfield <bucket@janeandjohn.org> wrote:Elecraft doing repairs?
|
|
|
|
Re: Factory service still available?
Edward McCann
But, to the original question, is Elecraft accepting its manufactured equipment for update and/or repair?
toggle quoted messageShow quoted text
Ed McCann AG6CX
On May 3, 2020, at 6:42 AM, John Canfield <bucket@janeandjohn.org> wrote:
|
|
|
|
Re: Elecraft K3 for sale ...
mikerodgerske5gbc
Probably bring more over there. I've seen some low prices stateside for the original k3. 73 Mobile Mike 7! Absolutely Awesome
On May 3, 2020, at 10:07 AM, dean laclair <dean.k2ww@...> wrote:
|
|
|