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1. [AMPS] Alpha 87A Problem (score: 1): Author: dick.green@valley.net ("Dick Green".); Date: Sat, 22 Feb 1997 11:19:27 -0500; Hi. I've discovered an unusual problem on the Alpha 87A and wonder if anyone else has run into it. If you set the amp to operate on 1.8 MHz or 3.5 MHz, then change bands by RF sensing to any frequenc; /archives//html/Amps/1997-02/msg00030.html (8,287 bytes)
2. [Amps] Alpha 87A Problem (score: 1): Author: TNeill1648@aol.com; Date: Sun, 6 Feb 2005 14:29:50 EST; I am experiencing my first ever problem with my 87A. The problems appears to be the "ON" switch not functioning properly. The amp was working fine when I turned it off but failed to turn ON the next; /archives//html/Amps/2005-02/msg00201.html (6,851 bytes)
3. RE: [Amps] Alpha 87A Problem (score: 1): Author: "Dick Green WC1M" <wc1m@msn.com>; Date: Mon, 7 Feb 2005 03:32:12 -0500; Tom, The symptom you describe could be caused by a bad ON switch or by a problem with the microprocessor. Try unplugging the AC power from the amp, waiting a minute or two, then replugging. If there'; /archives//html/Amps/2005-02/msg00216.html (9,634 bytes)
4. [Amps] Alpha 87A Problem (score: 1): Author: Michael Tope <W4EF@dellroy.com>; Date: Sun, 26 May 2019 10:55:07 -0700; My Alpha 87A had been working pretty faithfully up until the end of March / early April. I haven't used it since then until this weekend. Normally I operate remotely, but this weekend I had to come; /archives//html/Amps/2019-05/msg00067.html (8,023 bytes)
5. Re: [Amps] Alpha 87A Problem (score: 1): Author: "Bob Wilson, N6TV" <n6tv@arrl.net>; Date: Mon, 27 May 2019 18:30:25 -0700; Did you try disabling AlphaMax by manually tuning the amp with the buttons and saving the solution for each band segment? Maybe the frequency counter was damaged, perhaps by nearby lightening? Or is; /archives//html/Amps/2019-05/msg00069.html (9,402 bytes)
6. Re: [Amps] Alpha 87A Problem (score: 1): Author: "Dick Green WC1M" <wc1m73@gmail.com>; Date: Tue, 28 May 2019 19:36:44 -0400; When AlphaRemote's frequency was jumping all over the place, were you transmitting? If so, I'd suspect something wrong with the frequency detector or a loose connection or bad component in the RF pat; /archives//html/Amps/2019-05/msg00072.html (10,332 bytes)
7. Re: [Amps] Alpha 87A Problem (score: 1): Author: Michael Tope <W4EF@dellroy.com>; Date: Mon, 3 Jun 2019 12:46:47 -0700; Thank you to everyone who replied for your thoughtful suggestions. I hope to have some time to troubleshoot the amplifier this coming weekend. I'll try to pass on what I discover. 73 Mike, W4EF On 5/; /archives//html/Amps/2019-06/msg00012.html (8,484 bytes)

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