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1. [TenTec] 9420 PS Problem (score: 1): Author: Rick W <ve7tk@yahoo.ca>; Date: Sat, 8 Jun 2013 21:43:30 -0700 (PDT); Well this must be my month for power supplies. I just finished fixing my 32 amp Alinco switching supply and today another PS problem. This morning I turned on the rig to work a new one and hit the; /archives//html/TenTec/2013-06/msg00047.html (8,205 bytes)
2. Re: [TenTec] 9420 PS Problem (score: 1): Author: d.e.warnick@comcast.net; Date: Sun, 9 Jun 2013 12:40:01 +0000 (UTC); I've got one here with the same problem. I got the transformer from TenTec about 2 years ago for $49 New transformer is not the same size as the old one, so I've been putting off doing the adapter an; /archives//html/TenTec/2013-06/msg00049.html (9,354 bytes)
3. Re: [TenTec] 9420 PS Problem (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Sun, 09 Jun 2013 15:35:20 +0100; Mine failed 9 years ago and I fitted a £15 replacement from RS-Components here in UK. Not much help to you as the part is no longer available :( It's worth noting that transformer is powered 24x7x365; /archives//html/TenTec/2013-06/msg00051.html (7,795 bytes)
4. Re: [TenTec] 9420 PS Problem (score: 1): Author: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>; Date: Sun, 9 Jun 2013 09:47:41 -0500; Interesting about the transformer failure, specially the dual primary condition. I would suspect the failures could be caused by spikes due to either power system switching or surges induced from nea; /archives//html/TenTec/2013-06/msg00052.html (11,083 bytes)
5. Re: [TenTec] 9420 PS Problem (score: 1): Author: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>; Date: Sun, 9 Jun 2013 09:50:59 -0500; Steve, good point as this is the "control" transformer for the supply. My earlier comment regarding adding a whole house secondary surge arrestor is then well in order. 73 Bob, K4TAX -- Original Mess; /archives//html/TenTec/2013-06/msg00053.html (8,706 bytes)
6. Re: [TenTec] 9420 PS Problem (score: 1): Author: Rick W <ve7tk@yahoo.ca>; Date: Sun, 9 Jun 2013 08:10:34 -0700 (PDT); Steve and Dave thanks for getting back on this. I was wondering if either of you knew the transformer output specifications. I'm guessing it is around 12.6 VAC at perhaps 1 amp or so. (The regula; /archives//html/TenTec/2013-06/msg00054.html (9,193 bytes)
7. Re: [TenTec] 9420 PS Problem (score: 1): Author: Carl Moreschi <n4py3@earthlink.net>; Date: Sun, 09 Jun 2013 11:57:58 -0400; It's most likely at least 18 vac output on the transformer. Carl Moreschi N4PY 121 Little Bell Dr. Hays, NC 28635 www.n4py.com I was wondering if either of you knew the transformer output specificati; /archives//html/TenTec/2013-06/msg00055.html (9,936 bytes)
8. Re: [TenTec] 9420 PS Problem (score: 1): Author: Rick W <ve7tk@yahoo.ca>; Date: Sun, 9 Jun 2013 10:57:24 -0700 (PDT); Looking at my calculations (assuming 0.7 V drop on each diode): (12.6 VAC * 1.414) - (2 * 0.7) = 16.4 VDC at the regulator. When you add in any capacitor ripple I think this is pretty close to th; /archives//html/TenTec/2013-06/msg00056.html (11,847 bytes)
9. Re: [TenTec] 9420 PS Problem (score: 1): Author: d.e.warnick@comcast.net; Date: Sun, 9 Jun 2013 19:50:20 +0000 (UTC); OK, I dug the package out The Transformer is a Hammond Manufacturing 226L16 Dual Primary, Dual Secondary Primary is 117/234 V 50/60 HZ Secondary: Serial 16V/2.2A Parallel 8V/4.4A You will w; /archives//html/TenTec/2013-06/msg00058.html (12,887 bytes)
10. Re: [TenTec] 9420 PS Problem (score: 1): Author: Rick W <ve7tk@yahoo.ca>; Date: Sun, 9 Jun 2013 14:22:05 -0700 (PDT); Many thanks Dave. I think I'm on the right track with the Digi-Key transformer. 73, Rick VE7TK Website: http://www.ve7tk.com _______________________________________________ TenTec mailing list TenTe; /archives//html/TenTec/2013-06/msg00059.html (14,258 bytes)
11. Re: [TenTec] 9420 PS Problem (score: 1): Author: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>; Date: Sun, 9 Jun 2013 18:11:40 -0500; Hammond Manufacturing is still in business. I have a good friend that buys transformers from them for his very successful guitar amp business. He is building very unique tube amps that sound wonderfu; /archives//html/TenTec/2013-06/msg00060.html (14,753 bytes)
12. Re: [TenTec] 9420 PS Problem (score: 1): Author: Rick W <ve7tk@yahoo.ca>; Date: Sun, 9 Jun 2013 16:17:57 -0700 (PDT); Yes - I know Hammond well. They are still in Ontario. On the other hand, the Digi-Key product should be here Tuesday. Unfortunately they don't have a similar Hammond replacement and I'd like to get; /archives//html/TenTec/2013-06/msg00061.html (16,964 bytes)

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