Re: [Elecraft] [K2] [KAT2]
Ok, I wiggled some wires and now when I press TUNE it goes to the ATU. But I still have the problem of only about 0.02 V at TP B. I've checked both boards (a whole bunch of times) for shorts or unsoldered pins and haven't found any. Any ideas of where to look next? 73, Kristina KE7LUC Kristina Wright wrote: I'm putting together my KAT2 and having trouble with the Bridge Null Adjustment (pg 16). When I first went through it, it worked fine until step four on page 17, where I got well under the specified 3 or 4 volts. So I pulled it apart, checked everything, and reflowed T1. Now I'm trying to adjust C55 again, but I can't seem to get it to go to the ATU when I press TUNE. It flashes ATU briefly, then says Hi Cur, then goes to P 4.3 or so. Any suggestions? Tom Hammond wrote: 1) RE-check your soldering... especially for possibly shorted connections (which do sometimes occur as a result of reflowing previously soldered joints). 2) Ensure that you have the KAT2 re-plugged correctly and that ALL pins of the connectors are properly plugged in. 3) Ensure that the 10-pin cable plug is properly plugged into the connector on the CTRL PCB. Can't be much wrong, but sometimes it doesn't take 'much' to make things LOOK a lot worse that they really are. Kevin Cozens wrote: Some simple things to check are that you have a proper 50-ohm termination on the antenna 1 connection of the KAT2. Check that you haven't accidentally selected antenna 2 while the dummy load is on antenna 1. You can work around the high current warning by reducing power to about 1 watt or so until you get the adjustment close to where it needs to be. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] [K2] [KAT2]
Hello group! I'm putting together my KAT2 and having trouble with the Bridge Null Adjustment (pg 16). When I first went through it, it worked fine until step four on page 17, where I got well over the specified 3 or 4 volts. So I pulled it apart, checked everything, and reflowed T1. Now I'm trying to adjust C55 again, but I can't seem to get it to go to the ATU when I press TUNE. It flashes ATU briefly, then says Hi Cur, then goes to P 4.3 or so. Any suggestions? 73, Kristina KE7LUC ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] [K2] ATU
Hello group, I'm needing a tuner for use with my K2, and wanted to know the pros and cons of the KAT2 vs. the T1. Is the only difference that the T1 is stand-alone and the KAT2 is internal? Thanks in advance for your advice. 73, Kristina KE7LUC ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Re: Elecraft Digest, Vol 40, Issue 11- K2 - iMic for Digital Modes
On Aug 9, 2007, at 2:41 PM, Julian G4ILO wrote: there is little I actually use the computer for that really needs XP, and I loathe Vista. I think we could save far more if we weren't forced to use ever more bloated software demanding ever more powerful PCs While I don't like to unnecessarily announce my humble opinions, I do believe that you might find this link interesting: http:// www.apple.com/getamac/ads/ 73, Kristina KE7LUC ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Elmer Request
Hi there, I'm not an elmer but I just wanted to drop a note that torrids aren't really that hard to wind. Just stick the wire through the hole the specified number of times, then strip the leads by passing them through a blob of solder on your soldering iron. I found it to be quite easy and a lot of fun! 73, Kristina KE7LUC On Aug 5, 2007, at 8:18 PM, KU4YP wrote: is there possibly an elmer for the k2 near me? would like to sit down and possibly get help with assembly. i am at page 60 in the manual but i am kinda iffy on my torrid winding. i am planning on buying the pre-wound torrids in the near future. i guess that is an art. will gladly pay for your time. it is not the fact that the list has not helped, i am just a hands on kinda guy, i guess. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] 40 meter TX alignment for K2
Greetings to all, I know this question has been asked on here before, but unfortunately I didn't pay attention to what was said, and I can't seem to find it in the archives. I was attempting to do the 40 meter alignment but when I pressed tune (after setting the power for 2.0 W) it wasn't anywhere near 2.0 W, instead, it jumped between 0.4 and 0.2, and stayed that way no mater what I did to L1 or L2. As per the troubleshooting, I checked R66, R67, R68, and R69 with an ohmmeter. R66 was 2.7k like its supposed to be, but R67 was only 195.5 ohms (instead of 1.5k), R68 was 196 ohms as well (instead of 266), and R69 was only 60k instead of 100k. I don't know what's with that, is it possible that I smoked them? All the color bands are correct. I looked at T1-T4 and they all have the right number of turns, I checked to voltages at Q5-Q8 and got 11V at all of them, and I checked R50 with a ohmmeter and it fine. So I'm not sure how to proceed. Thanks ahead of time for the help! 73, Kristina KE7LUC ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Dead K2-now lives!
Many thanks to all who replied to my question. What happened was that while I was putting T4 on, I overheated the 7-8 winding and it melted through the insulation of the 3-4 winding, therefore shorting it. So I just rewound it and it works! Thanks again! 73, Kristina KE7LUC ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] Dead K2
Hi all, In building my K2 everything has gone perfectly and without a hitch until I got to the Alignment and Test, Part III. When I try to turn it on there's an audio pop but nothing on the LCD display and no relays clicking. It worked just fine before I installed the transmitter part. Its probably something simple, but I don't know what. Any ideas?? 73, Kristina, KE7LUC ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Dead K2
Nothing I can see looks to be shorted. And yes I checked the collectors of Q7 and Q8 and it was 1.6 k ohms, so the problem doesn't seem to be there. I'll go fiddle with it some more. Kristina, KE7LUC On 5/24/07, Don Wilhelm [EMAIL PROTECTED] wrote: Kristina, It sounds like you have created a short in the DC power and the resettable fuse is being activated. Check all your soldering and the pad placement of the thermal pads for the PA transistors. Did you check for a short at the collectors of Q7 and Q8 as instructed? If so, what was your resistance reading. 73, Don W3FPR ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Dead K2
OK, here's what I've done so far: checked the resistance from the power plug to ground, the meter read infinite resistance. Also checked the voltage at the same and got 12 volts. Then I measured the voltage at the cathode end of D10 and got 12 volts with the power switch on and off, but at D12 I got nothing with the power off and 0.7 volts with it on. Obviously the fuse is being tripped, but I still don't see any shorts (yes I inspected the whole board carefully). Thanks for the help so far, any more ideas? 73, Kristina, KE7LUC Jim, [EMAIL PROTECTED] wrote: Check the voltage at the power connector when it is dead and see if you have 12 volts there. Also check on the other side of the resetable fuse on the right side of the rf board and make sure it is not opening up. A good place to check the voltage is at the cathode end of the big power diode on the right side of the rf board. and at the pins of the on/off switch. Jim K4ZM Don Wilhelm [EMAIL PROTECTED] wrote: OK, check the resistance from the coaxial power plug to ground both with the switch on and with it off. If you find the resistance at 500 ohms or more, then the K2 is likely OK, check your power supply and cord for good solid connections - you are using a proper regulated power supply rated at 3 amps or greater are you not? If all is OK there, measure the voltage at D10 cathode and D12 cathode (with the power turned on - of course). 73, Don W3FPR ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] Mic for K2
Hello all, I am needing a mic for my new K2. So I was wondering if anyone had one that they aren't using anymore and would part with? Reply off list if you have any thing. Thanks! 73, Kristina, KE7LUC ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] Resistance Checks-Front Panel
Hi all! I just finished building my front panel and had some problems with the resistance checks. On J1 pin 1 through pin 7, also pins 13 14 the meter registers absolutely nothing. All of the rest of them are just fine. Anyone have any suggestions?? Thanks, Kristina ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] Inventory
Hi all, I was recently doing inventory on my new K2, and on page 5 of the RF section I found a slight discrepancy. In the description of RFC4, RFC5, RFC8, RFC9, and RFC7, it says they have green bodies. However mine have the same color bands but have tan bodies. Will this make any difference? Thanks for the help! 73, Kristina ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
