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21. Re: [TenTec] Triton IV 544 Digital (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Thu, 25 Feb 2021 22:41:36 -0500; Unplug the the frequency display and see if the signal goes away. The signal is coming from that unit. Verify it first and the decouple the vcc going into the display unit Mike. Wb8vge Sent from my i; /archives//html/TenTec/2021-02/msg00062.html (9,151 bytes)
22. Re: [TenTec] Triton IV 544 Digital (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Fri, 26 Feb 2021 10:46:32 -0500; When you first hear it, youd bet money that the calibrator is running. However, there isnt one in the digital Triton 4. Decoupling the power supply will reduce the signal level to a point you wont no; /archives//html/TenTec/2021-02/msg00064.html (8,940 bytes)
23. Re: [TenTec] Triton IV 544 Digital (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Fri, 26 Feb 2021 11:33:30 -0500; Ive never done a shotgun approach when it comes to replacing electrolytic capacitors, but in the case of this particular display unit, that was alway the first thing I did. Then, and its been years a; /archives//html/TenTec/2021-02/msg00067.html (10,168 bytes)
24. Re: [TenTec] Triton IV 544 Digital (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Fri, 26 Feb 2021 11:30:51 -0500; that most likely was the calibrator, they sound almost exactly the same From my experience in repair of these old Ten Tec, thats what I found to be the problem. A simple test, unplug the power to the; /archives//html/TenTec/2021-02/msg00068.html (8,999 bytes)
25. Re: [TenTec] power supply trip setup on Century 21 (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Mon, 18 Jan 2021 11:33:17 -0500; Brian, heres the condensed method I use to set the overcorrect trip place the C21 into a dummy load with an accurate watt meter Go to 20 meters, middle of the band Turn the current trip trimmer all t; /archives//html/TenTec/2021-01/msg00031.html (10,028 bytes)
26. Re: [TenTec] Argo V repair (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Tue, 26 Jan 2021 11:28:22 -0500; dirk did they say why they wont do repairs on it? Its not that old. Mike, WB8VGE SunLight Energy Systems The Heathkit Shop http://www.theheathkitshop.com/ J e e p o|||||||o; /archives//html/TenTec/2021-01/msg00040.html (7,693 bytes)
27. Re: [TenTec] Argo V repair (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Tue, 26 Jan 2021 13:52:25 -0500; Bob, Didnt the Agronaut V come after the Omni VII? Seems to me that I had my VII long before I purchased the Argonaut V. And you know, the Omni VII seems a lot older than 12 years to me. mike, wb8vge; /archives//html/TenTec/2021-01/msg00043.html (8,735 bytes)
28. Re: [TenTec] Ten Tec Argo V repair (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Wed, 27 Jan 2021 10:58:10 -0500; Another issue is the specialized parts required. Im not talking microprocessors and the like, Im talking about dc-dc inverters, lcd screen drivers, audio amplifiers and on and on. You could repair a; /archives//html/TenTec/2021-01/msg00051.html (10,263 bytes)
29. Re: [TenTec] Missing Century/21 PTO parts help (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Tue, 6 Oct 2020 13:51:07 -0400; Ive always wanted to put in one of those DDS VFOs that run on 5.0 to 5.5 mhz. would make for an interesting project. theres plenty of room behind the dial for an encoder. The only issue would be some; /archives//html/TenTec/2020-10/msg00007.html (8,964 bytes)
30. Re: [TenTec] Argosy 2 (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Wed, 7 Oct 2020 11:01:44 -0400; Roland, unless someone upgraded the argosy II, they didnt come from the factory with 17 and 24 meters. They did do 30 meters out of the box Mike, WB8VGE www.theheathkitshop.com; /archives//html/TenTec/2020-10/msg00017.html (12,813 bytes)
31. Re: [TenTec] Argosy 2 (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Wed, 7 Oct 2020 17:23:00 -0400; Snowy, Id take a real, and I mean real, close look at the pcb and the connections to and from the transformers. Ditto the same thing around the transistors. Its possible you have a broken copper trac; /archives//html/TenTec/2020-10/msg00025.html (8,780 bytes)
32. Re: [TenTec] ARGOSY 2 (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Tue, 15 Sep 2020 11:52:23 -0400; Snowy and the group on tx you should see about .7V on the bias of both final transistors. Is it there? Mike, WB8VGE SunLight Energy Systems The Heathkit Shop http://www.theheathkitshop.com/ J e e p o; /archives//html/TenTec/2020-09/msg00026.html (9,113 bytes)
33. Re: [TenTec] ARGOSY 2 (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Wed, 16 Sep 2020 13:33:08 -0400; If you dont have a scope, a RF probe would be the next best thing. Lacking, that a short hunk of wire into a second receiver should sniff enough rf that you should be able to hear any increase in sig; /archives//html/TenTec/2020-09/msg00033.html (10,585 bytes)
34. Re: [TenTec] argosy 2 (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Thu, 17 Sep 2020 09:25:56 -0400; snowy, do you have signal now on the base of the PA driver transistors? do you have a low drive source such as a qrp transceiver? Or a signal generator? if you do, you can disconnect the input to the; /archives//html/TenTec/2020-09/msg00037.html (9,502 bytes)
35. Re: [TenTec] argosy 2 (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Thu, 17 Sep 2020 13:11:49 -0400; Snowy, Do you have .7 V on the base of the final transistors? And those are bastard transistors, the tab is the emitter which is ground. Check continuity between the tab (E) and ground. If you dont h; /archives//html/TenTec/2020-09/msg00041.html (9,536 bytes)
36. Re: [TenTec] connector ID tool (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Tue, 22 Sep 2020 10:34:26 -0400; i purchased a hand operated one from mouser years and years ago. It wasnt cheap. I think now the AMP handle is $200 and each die about $250 They also sell a T handle one for about $40 Mike, WB8VGE ww; /archives//html/TenTec/2020-09/msg00059.html (7,929 bytes)
37. Re: [TenTec] Argosy II problem (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Wed, 30 Sep 2020 09:50:37 -0400; I remember reading that article, but let me toss this out those bad jumpy PTOs left the factory with a defect, I dont feel after 34 years of operation, that factory defect would raise its ugly head.; /archives//html/TenTec/2020-09/msg00084.html (8,283 bytes)
38. Re: [TenTec] TT Argonaut 509 Control board? (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Sat, 25 Jul 2020 21:39:36 -0400; Dave. Remove the loads from the control board and see what the voltage is then. Its possible somewhere along the +8 volt line is pulling more current and thus dropping the voltage. Separate the loads; /archives//html/TenTec/2020-07/msg00044.html (8,196 bytes)
39. Re: [TenTec] Argosy 2 (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Thu, 11 Jun 2020 10:31:54 -0400; Id sure take a peek at the balanced modulator. It appears that carrier is getting though. I dont recall if they used didoes or a IC. Mike, WB8VGE www.theheathkitshop.com; /archives//html/TenTec/2020-06/msg00029.html (8,964 bytes)
40. Re: [TenTec] Century 22 (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Sun, 21 Jun 2020 10:09:43 -0400; Any novice that worked WAS using a Heathkit HR-10 should be nominated for saint hood. Novice band with that radio? You were lucky if you knew you were somewhere on the 40 meter band. Mike, WB8VGE Sun; /archives//html/TenTec/2020-06/msg00096.html (9,119 bytes)

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