[TenTec] Power Supply problem

[David McClafferty]

On Wed, 18 Apr 2001, Carl R. Gansen wrote:
> 
> Here is what I think happened to my first repair.  The heat sink
> compound was a Vaseline-like silicone grease for heat sinking.  It
> appears that between the heat from the transformer and the bridge
> rectifier, the heat sink compound oozed out as I had a large film
> of it migrate.  Without the compound there, it overheated and failed
> about 6 months later.   We shall see how this repair went.  Another

Sounds like you put too much heat sink compound on it. Heat sink compound
is actually a poor conductor and is intended to fill in any tiny spaces
between the two surfaces. It should be applied as a very thin layer,
allowing metal to metal contact wherever possible.
73, Dave, VE1ADH



--
FAQ on WWW:               http://www.contesting.com/FAQ/tentec
Submissions:              tentec@contesting.com
Administrative requests:  tentec-REQUEST@contesting.com
Problems:                 owner-tentec@contesting.com