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Re: Occasional "burps" on U4K?
To: CRTech <crtech@crtech.org>
Subject: Re: Occasional "burps" on U4K?
From: Willie Barnett <wbradiolists@gmail.com>
Date: Mon, 26 Feb 2018 14:18:28 -0500
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In-reply-to: <007101d3af33$2f319d90$8d94d8b0$@pilgrimradio.com>
References: <CAOkhgWqbPwK8xSkH1sZm2yrRYz0q6ffMFOSnXn2C00fjOR3ZcA@mail.gmail.com> <CY4PR07MB3542C83C8715A4FEA4C6E691D3C80@CY4PR07MB3542.namprd07.prod.outlook.com> <CAOkhgWogooH7j-+QbnaJ8c-dwYTyjUbiyjRkyarS3ax3ooTBWQ@mail.gmail.com> <7D7D6348-59FC-422B-BE13-189EE013F45E@ieee.org> <CAAthHBakHnf-gWDVHB12gq0e=96ksBk2=n-UBFQyjFA2Su3kLg@mail.gmail.com> <006301d3af30$8c3682b0$a4a38810$@pilgrimradio.com> <CAOkhgWpow1HfD0KzhwcF6Xks7Tp9RA0Cp7WBHB1QvWe+TPZAAw@mail.gmail.com> <007101d3af33$2f319d90$8d94d8b0$@pilgrimradio.com>
85 degrees... "WELL, THERE'S YER PROBLEM!!" ;)

In any important gear, caps should be 105 degree, and even better, 125 degree.

I have a lot of experience swapping caps at my 2'nd PT job. ;)

I suspect you may be right with that particular cap. I'll look into it. Thanks! :)

Willie...


On Mon, Feb 26, 2018 at 1:54 PM, Bill Hurne <billhurne@pilgrimradio.com> wrote:

Actually I repaired one by replacing one cap, sorry don’t have a list.   The bad one was 150uf, 400 volt, 85 degree, but could be others.

 

Bill

 


References: Occasional "burps" on U4K?
(Willie Barnett <wbradiolists@gmail.com>, 19 Feb 2018 18:12:19 -0000)
RE: Occasional "burps" on U4K?
("Allard, Mark G" <MGAllard@unwsp.edu>, 19 Feb 2018 18:32:41 -0000)
Re: Occasional "burps" on U4K?
(Willie Barnett <wbradiolists@gmail.com>, 19 Feb 2018 19:23:38 -0000)
Re: Occasional "burps" on U4K?
(Sherrod Munday <smunday@ieee.org>, 19 Feb 2018 20:36:12 -0000)
Re: Occasional "burps" on U4K?
(Michael Barnes <barnmichael@gmail.com>, 19 Feb 2018 23:28:11 -0000)
RE: Occasional "burps" on U4K?
("Bill Hurne" <billhurne@pilgrimradio.com>, 26 Feb 2018 18:35:23 -0000)
Re: Occasional "burps" on U4K?
(Willie Barnett <wbradiolists@gmail.com>, 26 Feb 2018 18:38:40 -0000)
RE: Occasional "burps" on U4K?
("Bill Hurne" <billhurne@pilgrimradio.com>, 26 Feb 2018 18:54:17 -0000)
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