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1. [Amps] 91B problem in Paraguay (score: 1): Author: DALE LONG <dale.long@prodigy.net>; Date: Wed, 17 Mar 2010 21:13:17 -0700 (PDT); Turned on my hosts amp this morning and tripped the 2amp slow-blow fuse...Got more fuses this afternoon and same thing keeps happening. Seemed to shut down normally althought there may have been a; /archives//html/Amps/2010-03/msg00433.html (7,059 bytes)
2. Re: [Amps] 91B problem in Paraguay (score: 1): Author: "Fortra" <fortra@siol.net>; Date: Sun, 21 Mar 2010 15:50:27 +0100; Dale, in my case one of the tubes failed. Replaced both with NOS! Turned on my hosts amp this morning and tripped the 2amp slow-blow fuse...Got more fuses this afternoon and same thing keeps happenin; /archives//html/Amps/2010-03/msg00438.html (7,750 bytes)
3. Re: [Amps] 91B problem in Paraguay (score: 1): Author: Ian White GM3SEK <gm3sek@ifwtech.co.uk>; Date: Sun, 21 Mar 2010 14:56:19 +0000; I don't have the schematic but am fairly sure the "2A T" fuses protect the step start resistors at the mains input. They blow when the step-start relay fails to close. You should be able to hear that; /archives//html/Amps/2010-03/msg00440.html (7,731 bytes)
4. Re: [Amps] 91B problem in Paraguay (score: 1): Author: DALE LONG <dale.long@prodigy.net>; Date: Sun, 21 Mar 2010 09:04:03 -0700 (PDT); Thanks Lane and all: You may be right. The local tech reports a problem in a transformer. Also some scorched board and fried components in what he calls the 160m section. Thats strange because my ho; /archives//html/Amps/2010-03/msg00441.html (9,866 bytes)
5. Re: [Amps] 91B problem in Paraguay (score: 1): Author: "Zeitler, Lane LT, FST-1" <zeitlel@cpr3.navy.mil>; Date: Sun, 21 Mar 2010 07:11:15 -0800; In the past when I have had similar symptoms it was the plate xmfr shorted. Both of these instances were Henry desktop amps, one a 1KD-5 and the other a 2KD-5. You need to start unloading, ie, unload; /archives//html/Amps/2010-03/msg00444.html (8,739 bytes)
6. Re: [Amps] 91B problem in Paraguay (score: 1): Author: "Zeitler, Lane LT, FST-1" <zeitlel@cpr3.navy.mil>; Date: Sun, 21 Mar 2010 09:06:16 -0800; Hi Dale, I am curious as to why your friend's Icom rig is only seeing 30 watts out on 10 meters. VSWR problem? Sounds like the rig is protecting itself and folding back rf output. Wonder if he has tr; /archives//html/Amps/2010-03/msg00445.html (11,051 bytes)
7. [Amps] 91B problem in Paraguay (score: 1): Author: "John" <fraz1@bellsouth.net>; Date: Sun, 21 Mar 2010 13:08:25 -0500; Dale..... At this point, I'm with the chap who mentioned the step start area. Those relays and accompanying parts are located on the PCB directly below the vacuum relay T/R relay. It is located kind; /archives//html/Amps/2010-03/msg00448.html (7,025 bytes)

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