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
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