[Elecraft] Ham Radio Deluxe and KX3/KXPA100/PX3
Looking for some assistance using HRD and the KX3/KXPA100/PX3. KA0YLP Charles __ 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] K3 died again and fixed
If you are doing hand solder replacements of SMD capacitors you should make sure you follow procedures to either pre-heat the component or take extreme precautions to guarantee that the soldering iron does not touch the capacitor electrodes. Thermal shock with cause the metal endcaps to crack the ceramic which will eventually cause high leakage or shorts in the capacitor. Seeing that you have found two SMD caps on the same board have failed then I am suspicious of the fabrication of this particular board. You might want to reference There are other stresses that can cause the capacitor to crack and fail such as board bending or contaminants under the part, BUT for home lab work the primary reason is thermal shocking during hand solder. de Dave K5MWR On 11/14/2019 00:37, Martin Sole wrote: A few days ago I posted the below message but had not had time until today to dig a little deeper. I took as my starting point the loss of both receive and transmit as an indicator that the culprit would likely be something common to both and given the lack of receiver noise whilst the P3 panadaptor showed normal signals and band noise suggested it would be after the first conversion. This suggested something in the second LO as a likely possibility and with the first intent being to measure the oscillator signals. I used my SDRplay RSP1 with the Steve Andrews spectrum analyser software as this was handy and is easy to use. BTW, this is a great tool if you have any of the RSP devices. Going to the KREF3 board between the synthesisers and probing the 49.380MHz reference showed a healthy signal close to 0dBm, as expected since the P3 confirmed tuning works, so I moved to the output of U2 the divide by 6, hmm, nothing, nada, zilch. Worries of a dead 74VHC175 with no replacement on hand was the first thought but rapidly followed by my knowledge that this board had not so long ago suffered a capacitor failure causing loss of the 7 volt transmit bias. With the KREF3 on the bench a quick measure from the 5 volt line to ground showed 82 ohms after L2, 87 ohms between L1 and L2 and about 91 before L1. Way too low for sure. There are 3 components here C7, C19 and U1. Having had a 0.1uF fail on this board already I was ready to bet the farm on either C7 or C19. C19 was the first to be removed and I hit pay dirt right off, shoulda bought that lottery ticket today! Another dud 0.1uF then. Measuring the 5v to ground showed it now at a much more respectable 1.3k ohms. Replacement was with a 1206 0.1 as I had done earlier with C6. Normal service is resumed. It's all back working as it should but I do wonder now about the possible longevity of the other 0.1uF capacitors both on this board and possibly in other parts of the radio. I count 12 more on this board alone. I should mention that my K3 is an early unit, S/N 298 so I presume circa 2008-ish. More than 10 years is not bad in my book and the faults have been fairly straight forward. It might be surface mount but it's eminently repairable. Martin, HS0ZED On 12/11/2019 19:48, Martin Sole wrote: Hi, My K3 is quite an early unit, S/N 298. Recently upgraded with new synths KRX3A and KXV3, I also have a P3 connected to the radio. A while back it failed with a shorted smd capacitor on the K3REF board causing loss of TX bias voltage. Today it has lost both receive and transmit and I am thinking it might be from the same module. Here's the situation. Rig powers on and appears to work normally except soft noise from the speaker, no band noise to speak of and no signals. P3 shows plenty of signals, S9 plus on FT8 freqs but nothing heard other than soft noise. Tuning works as signals move in the band scope. No sub receiver signals either and no TX output. Have not checked transverter output but expect to find nothing there. P3 take off at IF output so everything is clearly working up to there. DSP seems to be working as width and shift cause the expected changes in audio. S meter reads dead zero, no movement. About the only common point I can see is the K3REF board so it would appear a second failure on this module. Since this is where I had to do earlier work I wouldn't put it past being a user inflicted fault, but that repair was a month or more ago. Anyone care to have a guess or share thoughts? Martin, HS0ZED Earlier Hi, So I had some success in fixing this and thought I would write it up here briefly for future reference. Short version C6 on the K3REF module had become a 12 ohm resistor. Longer version Finding the 7T line only going to 3.5 volts or so was suspicious. Measuring the resistance to ground of that line showed about 20 ohms where the 7 volts is generated at U11 on the RF board, very suspicious. The first step then was to remove any removable item that has a connection to the 7T line. That's most modules in the K3. Checking the resistance of the 7T line each time I removed a plug
Re: [Elecraft] FS K2-100
What's the Serial Number? On 11/13/2019 3:50 PM, Tomy Ivan wrote: I have a very nice working K2-100, 160 - 10 meters, Serial 57xx Has the following: Upgraded Metal tuning knob with dimple. KAT2 Automatic Antenna Tuner KSB2 SSB Adapter K160RX 160 Meter Adapter with RX Antenna Switch KPA100 100 Watt Amp with RS-232 Interface KDSP2 DSP Audio Filter SSB Transmit Audio Mod with upgraded caps. Filter Bandwidth mod from 2.1 to 2.6 kHz using SSBCAPKT Kit KAT100 High Power External Automatic Antenna Tuner in EC2 Enclosure. All the manuals, cables, and hand mic. $1175. Shipped Conusa. PayPal Preferred.kf7gc@yahoo.com928-710-9231 73! Tomy KF7GC AZ STM, A-1 Operator Club NM AZ Section Net, ORS, www.atenaz.net __ 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] K3S stuck on MCU LD
Don, That state (MCU LD and red TX light blinking) is typical when some glitch occurs between the computer and the K3/K3S during a firmware load. Turn the manual (or read the K3 Utility Help) section on "Force a Firmware Download". Follow those steps and you should find success. If the original error is still present contact Elecraft support. 73, Don W3FPR On 11/14/2019 9:57 AM, Don Pomplun wrote: A few days ago I noticed that when I powered up my K3S (ser #11141) I would briefly get an Err DSE message. The manual says I should reload the firmware via the K3 Utility program (like I've successfully done in the past when a new version is available). But this time when I click Send All Firmware to K3, I get this: Elecraft K3 Utility Revision 1.16.7.25 OS Version 6.1 Build 7601 Windows 7 K3 MCU revision ??.??. RS-232 speed 38400 bit/s. Sending firmware file C:\Users\K2BIO\AppData\Roaming\Elecraft\K3 Firmware\hmcu0567.hex to MCU /(5-10 second pause, then)/ Error code 0xE248: No response to poll while synchronizing to buffer boundary MCU verification failed. Reload MCU. Click "Close" to close this window I disconnected the Power Pole connector for a few minutes, then powered it up again. After the front panel LEDs flash briefly, the screen says MCU LD and the red TX light is flashing. Trying this again many times, I get the same message. Then I noticed that with _no power to the K3S and the USB cable between the K3S and the PC unplugged_ at both ends, when I start the K3 Utility, and click /Send All Firmware to K3/, I get exactly the same error message as noted earlier (with nothing connected). Thinking maybe the problem is with the K3 Utility, I deleted it from the PC and reloaded it from the Elecraft site and reinstalled it. Same problem! It appears that even after a long power-down, the K3 processor isn't resetting. Looking for suggestions! TIA Don K2BIO __ 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 donw...@embarqmail.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
[Elecraft] getting used to a new rig
Actually this KX3 is the first and probably the last new rig I'll ever get. Also I know my queries to be simple in nature. My son who assembled the machine likewise put my Fred Candy book in storage. (What am I to do beat him for cleaning up?). So to problems I am sure are simple. How to set the +/- for the offset for the 2M card. I got the 600, but haven't found the setting. similarly, I get a n/a msg on the led when I attempt to tune. Not just on the transverter card but on HF as well. Still only trying qrp until I can be sure I cannot damage the rig. thanks all. I should inform that I have confusion and processing issues since an accident 7 years ago. __ 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] new K2 accessory / feature
I worked with WA2EUJ at Hobby PCB to modify that amplifier's firmware so that my amplifier would connect to my nearly-20-year-old K2 and add automatic band changes and one-cable interfacing. The video shown at this URL describes what was done and the results. I am happy to back this up, as the initial field user with the most hours on the setup. https://www.youtube.com/watch?v=Tq9eB8hHLmc Here's yet another reason to dust off that terrific K2 that may be just sitting in storage or on a shelf, forlorn and silent, yet still a magic little gray box that changed the hobby a generation ago. 73 Steve KZ1X __ 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] K3S stuck on MCU LD
Verify connections to computer. Maybe I’m plug everything but cable to power, computer and ant and try again. Sent from my iPhone ...nr4c. bill > On Nov 14, 2019, at 9:59 AM, Don Pomplun wrote: > > A few days ago I noticed that when I powered up my K3S (ser #11141) I would > briefly get an Err DSE message. The manual says I should reload the firmware > via the K3 Utility program (like I've successfully done in the past when a > new version is available). But this time when I click Send All Firmware to > K3, I get this: > > Elecraft K3 Utility Revision 1.16.7.25 > OS Version 6.1 Build 7601 Windows 7 > K3 MCU revision ??.??. RS-232 speed 38400 bit/s. > Sending firmware file C:\Users\K2BIO\AppData\Roaming\Elecraft\K3 > Firmware\hmcu0567.hex to MCU > /(5-10 second pause, then)/ > Error code 0xE248: No response to poll while synchronizing to buffer > boundary > MCU verification failed. Reload MCU. > Click "Close" to close this window > > I disconnected the Power Pole connector for a few minutes, then powered it up > again. After the front panel LEDs flash briefly, the screen says MCU LD and > the red TX light is flashing. Trying this again many times, I get the same > message. > Then I noticed that with _no power to the K3S and the USB cable between the > K3S and the PC unplugged_ at both ends, when I start the K3 Utility, and > click /Send All Firmware to K3/, I get exactly the same error message as > noted earlier (with nothing connected). Thinking maybe the problem is with > the K3 Utility, I deleted it from the PC and reloaded it from the Elecraft > site and reinstalled it. Same problem! > It appears that even after a long power-down, the K3 processor isn't > resetting. Looking for suggestions! > TIA > DonK2BIO > __ > 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 n...@widomaker.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] K3S stuck on MCU LD
Verify connections to computer. Maybe I’m plug everything but cable to power, computer and ant and try again. Sent from my iPhone ...nr4c. bill > On Nov 14, 2019, at 9:59 AM, Don Pomplun wrote: > > A few days ago I noticed that when I powered up my K3S (ser #11141) I would > briefly get an Err DSE message. The manual says I should reload the firmware > via the K3 Utility program (like I've successfully done in the past when a > new version is available). But this time when I click Send All Firmware to > K3, I get this: > > Elecraft K3 Utility Revision 1.16.7.25 > OS Version 6.1 Build 7601 Windows 7 > K3 MCU revision ??.??. RS-232 speed 38400 bit/s. > Sending firmware file C:\Users\K2BIO\AppData\Roaming\Elecraft\K3 > Firmware\hmcu0567.hex to MCU > /(5-10 second pause, then)/ > Error code 0xE248: No response to poll while synchronizing to buffer > boundary > MCU verification failed. Reload MCU. > Click "Close" to close this window > > I disconnected the Power Pole connector for a few minutes, then powered it up > again. After the front panel LEDs flash briefly, the screen says MCU LD and > the red TX light is flashing. Trying this again many times, I get the same > message. > Then I noticed that with _no power to the K3S and the USB cable between the > K3S and the PC unplugged_ at both ends, when I start the K3 Utility, and > click /Send All Firmware to K3/, I get exactly the same error message as > noted earlier (with nothing connected). Thinking maybe the problem is with > the K3 Utility, I deleted it from the PC and reloaded it from the Elecraft > site and reinstalled it. Same problem! > It appears that even after a long power-down, the K3 processor isn't > resetting. Looking for suggestions! > TIA > DonK2BIO > __ > 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 n...@widomaker.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] K3S stuck on MCU LD
Hi, Is the PC detecting the radio when you connect it? Check for the com port appearing when you plug the USB cable in. It will appear in Device manager under comm ports. Make sure its detected and the K3 utility can see the correct port as allocated in Device manager. Martin, HS0ZED On 14/11/2019 21:57, Don Pomplun wrote: A few days ago I noticed that when I powered up my K3S (ser #11141) I would briefly get an Err DSE message. The manual says I should reload the firmware via the K3 Utility program (like I've successfully done in the past when a new version is available). But this time when I click Send All Firmware to K3, I get this: Elecraft K3 Utility Revision 1.16.7.25 OS Version 6.1 Build 7601 Windows 7 K3 MCU revision ??.??. RS-232 speed 38400 bit/s. Sending firmware file C:\Users\K2BIO\AppData\Roaming\Elecraft\K3 Firmware\hmcu0567.hex to MCU /(5-10 second pause, then)/ Error code 0xE248: No response to poll while synchronizing to buffer boundary MCU verification failed. Reload MCU. Click "Close" to close this window I disconnected the Power Pole connector for a few minutes, then powered it up again. After the front panel LEDs flash briefly, the screen says MCU LD and the red TX light is flashing. Trying this again many times, I get the same message. Then I noticed that with _no power to the K3S and the USB cable between the K3S and the PC unplugged_ at both ends, when I start the K3 Utility, and click /Send All Firmware to K3/, I get exactly the same error message as noted earlier (with nothing connected). Thinking maybe the problem is with the K3 Utility, I deleted it from the PC and reloaded it from the Elecraft site and reinstalled it. Same problem! It appears that even after a long power-down, the K3 processor isn't resetting. Looking for suggestions! TIA Don K2BIO __ 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 hs0...@gmail.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
[Elecraft] K3S stuck on MCU LD
A few days ago I noticed that when I powered up my K3S (ser #11141) I would briefly get an Err DSE message. The manual says I should reload the firmware via the K3 Utility program (like I've successfully done in the past when a new version is available). But this time when I click Send All Firmware to K3, I get this: Elecraft K3 Utility Revision 1.16.7.25 OS Version 6.1 Build 7601 Windows 7 K3 MCU revision ??.??. RS-232 speed 38400 bit/s. Sending firmware file C:\Users\K2BIO\AppData\Roaming\Elecraft\K3 Firmware\hmcu0567.hex to MCU /(5-10 second pause, then)/ Error code 0xE248: No response to poll while synchronizing to buffer boundary MCU verification failed. Reload MCU. Click "Close" to close this window I disconnected the Power Pole connector for a few minutes, then powered it up again. After the front panel LEDs flash briefly, the screen says MCU LD and the red TX light is flashing. Trying this again many times, I get the same message. Then I noticed that with _no power to the K3S and the USB cable between the K3S and the PC unplugged_ at both ends, when I start the K3 Utility, and click /Send All Firmware to K3/, I get exactly the same error message as noted earlier (with nothing connected). Thinking maybe the problem is with the K3 Utility, I deleted it from the PC and reloaded it from the Elecraft site and reinstalled it. Same problem! It appears that even after a long power-down, the K3 processor isn't resetting. Looking for suggestions! TIA Don K2BIO __ 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] Elecraft K2 Kit and accessories For Sale $1500.00
I have a new and unused K2 Kit with the following accessories for sale: My cost was over 2300. Asking $1500.00 Shipped in the USA casualobserver...@msn.com K2 832.57 KAT100-1369.95 KAF2129.95 KSB2179.95 KNB2 89.95 K160M 79.95 KIO2 99.95 KBT2 99.95 KAT2 219.95 Toroids 141.50 KUSB42.85 KPCA-F 29.95 E980019 26.76 -- Sent from: http://elecraft.365791.n2.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] K3 died again and fixed
__ 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
