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[TenTec] astron blows regulators

To: <tentec@contesting.com>
Subject: [TenTec] astron blows regulators
From: Gary Hoffman" <ghoffman@spacetech.com (Gary Hoffman)
Date: Thu, 18 Jul 2002 18:29:05 -0400
Clark... I have that exact supply.  Have never blown it in several years of
reasonably heavy use.  I don't think that it is inevitable...in other words
the design is not inherently bad.  It must be miswired or otherwise goofed
up to do this so consistently.

73 de Gary, AA2IZ

----- Original Message ----- 
From: "Clark Savage Turner" <csturner@slonet.org>
To: <tentec@contesting.com>
Sent: Wednesday, July 17, 2002 10:54 PM
Subject: [TenTec] astron blows regulators


> Curious, I have an RS-35M that keeps blowing the regulator, but it does 
> it after some time of operation....like a day, sometimes a few weeks, 
> then it goes out, supply shuts down.  At first I suspected the little 
> regulator voltage pot, it is cheap, so I shot it with DeOxit and wiggled 
> it, put a new regulator in (the thing is socketed from the last owner, I 
> suppose this has been happening for some time!) - it worked for a couple 
> of weeks, powering transmit / receive cycles just fine.
> 
> There isn't much on the board, I can't see what could be killing the 
> regulator in there.  I will replace the pot just for good measure (it 
> acted dirty when I set the voltage), but does anyone have any other 
> suggestions?  Ever see this problem?
> 
> Clark
> WA3JPG
> 
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