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RE: Orban 8100A Recapping
To: "'CRTech'" <crtech@crtech.org>
Subject: RE: Orban 8100A Recapping
From: "Bill Hurne" <billhurne@pilgrimradio.com>
Date: Wed, 28 Jun 2017 08:35:27 -0700
Content-language: en-us
In-reply-to: <CAP8KTHYr4bDyfjB8-fqvrJ9J0x=LEjkkb41LGkqs=UUPCgWeiQ@mail.gmail.com>
References: <CAP8KTHYr4bDyfjB8-fqvrJ9J0x=LEjkkb41LGkqs=UUPCgWeiQ@mail.gmail.com>
Thread-index: AQGq5SzaArFkBzBVK5cbpRqtY/OBz6KKe87w

I recapped three of them.   Replaced the two large caps in the power supply and small one on the PSU board.   Many power supply rail decoupling capacitors on every plug-in board.  Also a few audio coupling capacitors.


If there are any orange colored caps, they are probably wide open.   They didn’t last long.


Not all three units of the same model had the same caps inside.   Some had electrolytic coupling caps, others had tantalum.   I didn’t replace any tantalum.    The polarity is marked on the PC boards, makes it easier.




From: Steve Tuzeneu [mailto:stuzeneu@gmail.com]
Sent: Wednesday, June 28, 2017 6:49 AM
To: CRTech
Subject: [CRTech] Orban 8100A Recapping


Hi Guys:


Has anyone successfully recapped an Orban 8100A?  What caps did you replace?


I did a Google search for recapping and could not find anything useful.  So in this case, Google was not my friend. 





Steve Tuzeneu,  CBT 

Network Staff Engineer

BBN Radio Network

P.O. Box 7300

Charlotte , NC 28241-7300 

704-523-5555 Extension 138
Member: Society of Broadcast Engineers

G.R.O.L./N1XXE-Extra Class Operator


Follow-Ups: RE: Orban 8100A Recapping
(Scott Todd <stodd@kloveair1.com>, 28 Jun 2017 22:43:27 -0000)
References: Orban 8100A Recapping
(Steve Tuzeneu <stuzeneu@gmail.com>, 28 Jun 2017 13:48:53 -0000)
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