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[TenTec] Fw: 252 Power Supply Caution

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Subject: [TenTec] Fw: 252 Power Supply Caution
From: N4NT@bigfoot.com (Michael O. Hyder)
Date: Sat, 4 Apr 1998 11:35:46 -0500
-----Original Message-----
From: Michael O. Hyder <N4NT@bigfoot.com>
To: wb9iog@revealed.net <wb9iog@revealed.net>
To: <tentec@contesting.com>
Date: Saturday, April 04, 1998 10:08 AM
Subject: 252 Power Supply Caution

>Hi Mike,
>Saw your post about the power supply - think it is the 252M.  Ten-Tec power
>supplies of that vintage were prone to fail in a horrible way.  I think it
>was that the pass transistor would short, putting about 25 volts into the
>rig.  They used to sell what they called an OVP (overvoltage protection)
>circuit board for about $10.  I surely do suggest that you consider getting
>one if you do not have one in the supply.  They mount on the inside of the
>rear panel, so would be easy to spot if already installed.
> Good luck and 73, Mike -N4NT-

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