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Total 3 documents matching your query.

1. [Amps] Alpha 77 troubleshooting (score: 1): Author: k2cb@comcast.net; Date: Tue, 19 Jan 2016 19:59:57 +0000 (UTC); Good Afternoon, I am working on an ETO Alpha PA-77. The original model, not a DX or SX. The previous owner had bypassed the warmup relay in an attempt to circumvent a failure of the warmup and/or; /archives//html/Amps/2016-01/msg00048.html (8,869 bytes)
2. Re: [Amps] Alpha 77 troubleshooting (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Wed, 20 Jan 2016 17:20:54 -0500; Eric, The 2N5184 is a silicon NPN transistor with a Vceo rating of 120VDC. You may use a 2N5551 as a substitute. These are readily available from many suppliers. I dont understand the desire for an o; /archives//html/Amps/2016-01/msg00052.html (11,606 bytes)
3. Re: [Amps] Alpha 77 troubleshooting (score: 1): Author: "Carl" <km1h@jeremy.qozzy.com>; Date: Wed, 20 Jan 2016 17:49:00 -0500; When was the last time the HV filter cap was replaced? About $450 these days. Carl KM1H Good Afternoon, I am working on an ETO Alpha PA-77. The original model, not a DX or SX. The previous owner had; /archives//html/Amps/2016-01/msg00054.html (10,549 bytes)

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