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1. [Amps] SB-200 circuit breakers (score: 1): Author: "Tom Osborne" <w7why@verizon.net>; Date: Sun, 26 Aug 2007 15:16:42 -0700; Hi All On my SB-200, the front circuit breaker trips after half hour or so of operation on RTTY. If running RTTY, I usually keep it down to 200-250 watts. It is the same breaker, the front one, that; /archives//html/Amps/2007-08/msg00193.html (6,768 bytes)
2. Re: [Amps] SB-200 circuit breakers (score: 1): Author: rgroh@swbell.net; Date: Sun, 26 Aug 2007 16:07:20 -0700 (PDT); The breakers are thermally activated - the heat being generated by the current passing through the mechanism. The trip time is related to the current AND the time - with a big current, the breaker wi; /archives//html/Amps/2007-08/msg00194.html (8,655 bytes)
3. Re: [Amps] SB-200 circuit breakers (score: 1): Author: Gudguyham@aol.com; Date: Sun, 26 Aug 2007 19:59:30 EDT; After it cools down a bit, it will come back on. As far as I know the breakers are not self re-setting, are you sure you are not manually re-setting it? If you are not, I don't think the breaker is s; /archives//html/Amps/2007-08/msg00195.html (7,577 bytes)
4. Re: [Amps] SB-200 circuit breakers (score: 1): Author: "Tom Osborne" <w7why@verizon.net>; Date: Sun, 26 Aug 2007 17:22:19 -0700; Hi Lou I guess I didn't explain it right. What I meant is that after it cools down, I can manually reset the breaker. If I push on it right after it trips, it won't reset. Actually, after a while I c; /archives//html/Amps/2007-08/msg00196.html (7,813 bytes)
5. Re: [Amps] SB-200 circuit breakers (score: 1): Author: "jeremy-ca" <km1h@jeremy.mv.com>; Date: Sun, 26 Aug 2007 20:28:18 -0400; Three possibilities come to mind. - Defective breaker. Possible but quite rare. - Leaky filter caps. A very good possibility if they are original. Leave the amp on for a half hour or so and then shut; /archives//html/Amps/2007-08/msg00197.html (9,427 bytes)
6. Re: [Amps] SB-200 circuit breakers (score: 1): Author: "Tom Osborne" <w7why@verizon.net>; Date: Sun, 26 Aug 2007 18:35:25 -0700; Hi Carl Filter caps have been recently replaced. They are 100uf at 450 volts. I see in the schematic that the originals were 125uf. I will do the 'heat' test and see if they do in fact get warm. Tube; /archives//html/Amps/2007-08/msg00198.html (10,222 bytes)
7. Re: [Amps] SB-200 circuit breakers (score: 1): Author: "jeremy-ca" <km1h@jeremy.mv.com>; Date: Sun, 26 Aug 2007 23:20:17 -0400; Hmmm, Im not a fan of the Taylor label, Ive had several problems with them right out of the box. Im not sure how many Chinese factories are producing 572B's and prints which label. Leave the perforat; /archives//html/Amps/2007-08/msg00201.html (12,140 bytes)
8. Re: [Amps] SB-200 circuit breakers (score: 1): Author: Gudguyham@aol.com; Date: Mon, 27 Aug 2007 04:04:21 EDT; Filter caps have been recently replaced. They are 100uf at 450 volts. I see in the schematic that the originals were 125uf. I will do the 'heat' test and see if they do in fact get warm. I think 100u; /archives//html/Amps/2007-08/msg00204.html (8,058 bytes)
9. Re: [Amps] SB-200 circuit breakers (score: 1): Author: Gudguyham@aol.com; Date: Mon, 27 Aug 2007 04:14:23 EDT; Hi Lou I guess I didn't explain it right. What I meant is that after it cools down, I can manually reset the breaker. If I push on it right after it trips, it won't reset. Actually, after a while I c; /archives//html/Amps/2007-08/msg00205.html (8,439 bytes)
10. Re: [Amps] SB-200 circuit breakers (score: 1): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Mon, 27 Aug 2007 08:09:28 -0400; Tom, If you have one breaker knocking the amp off and you are using it on 120V, you have a wiring or transformer problem. BOTH breakers have to open on 120 to dump the PA. If ONE breaker opens it me; /archives//html/Amps/2007-08/msg00207.html (9,113 bytes)
11. Re: [Amps] SB-200 circuit breakers (score: 1): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Mon, 27 Aug 2007 08:30:15 -0400; I've never seen so much off the cuff bad advice on something as simple as a circuit breaker problem. Let's put a little common sense into this! The bleeders are 30K 7 watt. There are six of them. HV; /archives//html/Amps/2007-08/msg00208.html (9,810 bytes)
12. Re: [Amps] SB-200 circuit breakers (score: 1): Author: "jeremy-ca" <km1h@jeremy.mv.com>; Date: Mon, 27 Aug 2007 11:54:08 -0400; There are some errors in your explanation also. If a tube is taking off as an unneutralized oscillator it wont usually pop anything except the breaker. Therefore my suggestion to take the cover off a; /archives//html/Amps/2007-08/msg00211.html (11,480 bytes)
13. [Amps] SB-200 Circuit Breakers (score: 1): Author: "Tom Osborne" <w7why@verizon.net>; Date: Sat, 08 Sep 2007 21:40:45 -0700; Hi All A few weeks back I posted about my SB-200 that kept tripping the front breaker and had all sorts of good hints on what to check. Tom, W8JI, hit the nail right on the head. I should have notice; /archives//html/Amps/2007-09/msg00106.html (7,014 bytes)

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