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1. [TenTec] TITAN 425 PS maintenance (score: 1): Author: "CSM$r$ Gary Huber" <glhuber@msn.com>; Date: Fri, 3 Dec 2010 12:11:12 -0600; I see no apparent problems with my TITAN 425, but after more than 20 years of excellent service, I thought it might be a good time to recap and bought the HV-2 board from WD7S at http://home.earthlin; /archives//html/TenTec/2010-12/msg00049.html (7,527 bytes)
2. Re: [TenTec] TITAN 425 PS maintenance (score: 1): Author: Jim Brown <k9yc@audiosystemsgroup.com>; Date: Fri, 03 Dec 2010 11:00:31 -0800; I am a STRONG believer in "If it an't broke, don't fix it." If something in the P/S later fails and you can't easily replace it, THEN think about that board. At this point though, all the parts that; /archives//html/TenTec/2010-12/msg00052.html (7,602 bytes)
3. Re: [TenTec] TITAN 425 PS maintenance (score: 1): Author: "CSM$r$ Gary Huber" <glhuber@msn.com>; Date: Fri, 3 Dec 2010 14:37:25 -0600; Jim, I agree with you on the "If it ain't broke, don't fix it." ..... What I am trying to do is have the replacement board on hand and built for a quick swap. But I was trying to find out if anyone h; /archives//html/TenTec/2010-12/msg00059.html (8,557 bytes)
4. Re: [TenTec] TITAN 425 PS maintenance (score: 1): Author: Jim Brown <k9yc@audiosystemsgroup.com>; Date: Fri, 03 Dec 2010 13:04:14 -0800; One thing you would need to consider is what other high voltage capacitors are in the RF deck that might need to be replaced with parts rated for higher voltage. As I understand it, the main reason f; /archives//html/TenTec/2010-12/msg00060.html (9,014 bytes)
5. Re: [TenTec] TITAN 425 PS maintenance (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Fri, 03 Dec 2010 15:21:57 -0600; Now there's a slippery slope. Raising the plate voltage and lowering the current means a higher load impedance, and so to do it properly means redesigning the PI-L network for that higher impedance.; /archives//html/TenTec/2010-12/msg00061.html (10,360 bytes)
6. Re: [TenTec] TITAN 425 PS maintenance (score: 1): Author: "Ron Castro" <ronc@sonic.net>; Date: Fri, 3 Dec 2010 13:26:29 -0800; There was an article from a ham in Texas on the internet on modifying the 425 for 3CPX800's but I can't find it. I recall it required an entire new supply, including a custom-built Hypersil transform; /archives//html/TenTec/2010-12/msg00062.html (10,348 bytes)
7. Re: [TenTec] TITAN 425 PS maintenance (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Fri, 03 Dec 2010 15:41:48 -0600; yah sure, and he got that 3.2 Kw through RG8X and a PL-259. 73, Jerry, K0CQ _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailm; /archives//html/TenTec/2010-12/msg00063.html (10,841 bytes)
8. Re: [TenTec] TITAN 425 PS maintenance (score: 1): Author: "Mike, K9UW" <k9uw@wi-net.com>; Date: Fri, 03 Dec 2010 19:42:21 -0600; Ron, is THIS the article, you're referencing? http://www.hamradiomarket.com/articles/Titan%20P%20Hybrid.htm 73, de Mike, K9UW Amherst, WI _______________________________________________ TenTec mailin; /archives//html/TenTec/2010-12/msg00073.html (11,256 bytes)
9. Re: [TenTec] TITAN 425 PS maintenance (score: 1): Author: "Don Jones" <flash.bang@comcast.net>; Date: Sat, 4 Dec 2010 09:26:49 -0800; Ditto what Jerry said. To do such a mod without a change to the output tank circuit is reckless. Nice power supply redesign effort but unfortunately this job is only half done (or baked). Hams have a; /archives//html/TenTec/2010-12/msg00092.html (9,514 bytes)
10. Re: [TenTec] TITAN 425 PS maintenance (score: 1): Author: "Don Jones" <ko7i@comcast.net>; Date: Sat, 4 Dec 2010 10:03:08 -0800; Ditto what Jerry said. To do such a mod without a change to the output tank circuit is reckless. Nice power supply redesign effort but unfortunately this job is only half done (or baked). Hams have a; /archives//html/TenTec/2010-12/msg00093.html (9,480 bytes)
11. Re: [TenTec] TITAN 425 PS maintenance (score: 1): Author: Richards <jruing@ameritech.net>; Date: Sat, 04 Dec 2010 15:47:34 -0500; I believe this corollary is also true: If you FIX something long enough....eventually you will BREAK it. == James -K8JHR == == .. _______________________________________________ TenTec mailing list T; /archives//html/TenTec/2010-12/msg00099.html (8,461 bytes)
12. Re: [TenTec] TITAN 425 PS maintenance (score: 1): Author: Clayton Brantley <clayton_n4ev@yahoo.com>; Date: Sat, 4 Dec 2010 16:04:02 -0800 (PST); And in another vein, "If it ain't broke, fix until it is". Clayton N4EV I believe this corollary is also true: If you FIX something long enough....eventually you will BREAK it. == James; /archives//html/TenTec/2010-12/msg00102.html (9,233 bytes)

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