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1. [TenTec] Paragon Logic Board (score: 1): Author: "Jon L. Turner" <ka0ofp@yahoo.com>; Date: Wed, 25 Apr 2007 14:47:05 -0700 (PDT); Hello All, It looks like the 16 volts from the bad power supply got to some of the IC's on the Logic Board 81267. I am wondering if someone out there has a parted out Paragon with a good 81267 Logic; /archives//html/TenTec/2007-04/msg00479.html (6,973 bytes)
2. [TenTec] paragon logic board (score: 1): Author: Dixontribe@aol.com; Date: Sun, 17 Jun 2012 06:35:45 -0400 (EDT); Hi, My names dave g0ayd,im looking for a logic board for my paragon which has sustained a 24 volt hit on it.any help would be appreciated. Regards Dave.. _____________________________________________; /archives//html/TenTec/2012-06/msg00066.html (6,550 bytes)
3. [TenTec] Paragon logic board (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Tue, 20 Aug 2013 20:50:11 -0400; Well gang, the subject line says it all. I am in need of a paragon logic board. There is no display, all the LEDs light up, or some LEDs light up, or randomly they light up at power turn on. Thought; /archives//html/TenTec/2013-08/msg00239.html (6,867 bytes)
4. Re: [TenTec] Paragon logic board (score: 1): Author: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>; Date: Tue, 20 Aug 2013 20:23:30 -0500; Have you changed the timing cap, 4.7 mf as I recall, on the RESET line at the microprocessor. Sounds like the processor is running before all of the operating parameters are loaded. I suggest using o; /archives//html/TenTec/2013-08/msg00240.html (8,803 bytes)
5. Re: [TenTec] Paragon logic board (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Tue, 20 Aug 2013 21:47:52 -0400; Hi, Bob, no I have not tried that yet. it is kind of a bear Getting that PCB in and out. If I recall that's c5 on the logic board. Right? I am not sure that is the problem. I have tried turning the r; /archives//html/TenTec/2013-08/msg00241.html (9,405 bytes)
6. Re: [TenTec] Paragon logic board (score: 1): Author: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>; Date: Tue, 20 Aug 2013 21:31:12 -0500; Yea, the board is a pain to pull. My schematics are at the shop, and I'm not so I can't say exactly which designator is the timing cap. It is on the RESET line of the MP to ground and has a value of; /archives//html/TenTec/2013-08/msg00242.html (11,208 bytes)
7. Re: [TenTec] Paragon logic board (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Wed, 21 Aug 2013 20:46:57 -0400; Bob and the group, The project continues, no joy insight, the microprocessor oscillator is not running. So, is it the Crystal or the microprocessor? The Crystal is not hard to come by. EBay has them; /archives//html/TenTec/2013-08/msg00244.html (9,147 bytes)
8. Re: [TenTec] Paragon logic board (score: 1): Author: "Rick - DJ0IP / NJ0IP" <Rick@DJ0IP.de>; Date: Thu, 22 Aug 2013 10:05:04 +0200; If you buy a Crystal, then I'll bet you $5 it's the cpu! (hi) Bob and the group, The project continues, no joy insight, the microprocessor oscillator is not running. So, is it the Crystal or the micr; /archives//html/TenTec/2013-08/msg00245.html (9,831 bytes)
9. Re: [TenTec] Paragon logic board (score: 1): Author: Cecil <chacuff@cableone.net>; Date: Thu, 22 Aug 2013 08:18:06 -0500; If you love the radio...buy both and be done with it! Cecil K5DL Sent from my iPad _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.co; /archives//html/TenTec/2013-08/msg00246.html (11,108 bytes)
10. [TenTec] Paragon logic board (score: 1): Author: Don Rasmussen <wb8yqj@yahoo.com>; Date: Thu, 22 Aug 2013 12:50:30 -0700 (PDT); On my Corsair II the microprocessor and the crystal were both okay, it was the electrolytic capacitor used to boot the microprocessor at power up that had drained itself dry mounted on the pcb. I cou; /archives//html/TenTec/2013-08/msg00247.html (7,447 bytes)
11. Re: [TenTec] Paragon logic board (score: 1): Author: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>; Date: Thu, 22 Aug 2013 16:37:24 -0500; As a general rule, electrolytic caps decrease in value as they age. That being the case here, the value could now be 1/4 of its original value and which makes the simple RC timing just too fast for t; /archives//html/TenTec/2013-08/msg00249.html (8,988 bytes)
12. Re: [TenTec] Paragon logic board (score: 1): Author: Stuart Rohre <rohre@arlut.utexas.edu>; Date: Thu, 22 Aug 2013 16:57:12 -0500; Mike, just be sure the substitute crystal is the type sold for computer clocks, or another way of saying that is it has the same capacitance spec as the original xtal. It could be a failure of the cr; /archives//html/TenTec/2013-08/msg00250.html (8,918 bytes)
13. Re: [TenTec] Paragon logic board (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Thu, 22 Aug 2013 18:14:56 -0400; I have new ones coming. Ill wait till they show up as removal of the logic pcb is a kicker. While there is a 22 of cap and a resistor used in the oscillator I would suspect the rock before the cerami; /archives//html/TenTec/2013-08/msg00251.html (9,510 bytes)
14. Re: [TenTec] Paragon logic board (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Thu, 22 Aug 2013 18:16:41 -0400; Bob and the gang When the new parts come in I plan on changing out the reset cap since the pcb will be pulled. I mean why not? Mike wb8vge Sent from my iPhone ________________________________________; /archives//html/TenTec/2013-08/msg00252.html (7,622 bytes)

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