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RE: Occasional "burps" on U4K?
To: "'CRTech'" <crtech@crtech.org>
Subject: RE: Occasional "burps" on U4K?
From: "Bill Hurne" <billhurne@pilgrimradio.com>
Date: Mon, 26 Feb 2018 10:54:08 -0800
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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

 

From: Willie Barnett [mailto:wbradiolists@gmail.com]
Sent: Monday, February 26, 2018 10:39 AM
To: CRTech
Subject: Re: [CRTech] Occasional "burps" on U4K?

 

Got one I can borrow? ;)

Easier to just "shotgun" 'em. Do you have a list of what it needs? (Or do these units have different power supplies, making a "universal" list impossible, per Murphy?)

 

Willie...

 

On Mon, Feb 26, 2018 at 1:35 PM, Bill Hurne <billhurne@pilgrimradio.com> wrote:

Willie,

 

I’ve already had to replace aging capacitors on the U4K PSU board.   I would check them with an ESR analyzer.

 

Bill

 

 

Follow-Ups: Re: Occasional "burps" on U4K?
(Willie Barnett <wbradiolists@gmail.com>, 26 Feb 2018 19:18:37 -0000)
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)
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