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1. [TenTec] 9420 Problem (score: 1): Author: "Christian von Wechmar" <cbvw@telkomsa.net>; Date: Sun, 4 Jun 2006 11:10:30 +0200; Hi Everyone, I received a 9420 PSU two days ago. If my information is correct, it stems from a Halliburton operation in Gabon. I have been using the matching Hercules II amp (with batteries) for more; /archives//html/TenTec/2006-06/msg00058.html (7,880 bytes)
2. Re: [TenTec] 9420 Problem (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>; Date: Sun, 04 Jun 2006 09:00:17 -0500; Try a resistive load of a few amps. Many switching supplies have minimum loads they will stay one with. Otherwise their minimum pulse width causes the output to go high and when it goes out of regula; /archives//html/TenTec/2006-06/msg00063.html (8,966 bytes)
3. Re: [TenTec] 9420 Problem (score: 1): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Sun, 4 Jun 2006 11:59:03 -0400; Chris... I would be happy to scan and e-mail you a schematic of the 9420 if you like. Let me know if you need any of the pictorials. Phil Chambley K4DPK VFO Stabilizers and PEP adapters for wattmeter; /archives//html/TenTec/2006-06/msg00065.html (9,332 bytes)
4. Re: [TenTec] 9420 Problem (score: 1): Author: "Christian von Wechmar" <cbvw@telkomsa.net>; Date: Sun, 4 Jun 2006 18:12:59 +0200; Hi Phil, Thank you very much for the offer. I would appreciate a schematic of the 9420. 73 Chris ZS1DX -- Original Message -- _______________________________________________ TenTec mailing list TenTe; /archives//html/TenTec/2006-06/msg00066.html (7,789 bytes)
5. [TenTec] 9420 Problem (score: 1): Author: "Rick Williams" <rick.williams@telus.net>; Date: Sun, 4 Jun 2006 10:20:42 -0700; Chris the 9420 is actually 4 linear power supplies that are combined to give the 100 amp output. Given the complexity and number of boards involved I'd suggest you look inside and re-seat all the con; /archives//html/TenTec/2006-06/msg00070.html (8,736 bytes)
6. [TenTec] 9420 Problem (score: 1): Author: "Christian von Wechmar" <chris@cvw.co.za>; Date: Sun, 4 Jun 2006 10:51:12 +0200; Hi Everyone, I received a 9420 PSU two days ago. If my information is correct, it stems from a Halliburton operation in Gabon. I have been using the matching Hercules II amp (with batteries) for more; /archives//html/TenTec/2006-06/msg00072.html (8,728 bytes)
7. Re: [TenTec] 9420 Problem (score: 1): Author: Ken Brown <ken.d.brown@hawaiiantel.net>; Date: Sun, 04 Jun 2006 10:39:55 -1000; Hi Chris, The 9420 has five transformers. Four are for the 4 high current 12 VDC linear mode (not switching mode) regulated power supplies, and the fifth transformer is for a regulated supply that ru; /archives//html/TenTec/2006-06/msg00076.html (9,088 bytes)

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