[Elecraft] KPA500 ser. no.1066 factory built, Loose diode 1N5408

[Nr4c]

Full schematics on website prob with manuals. 

Sent from my iPhone
...nr4c. bill


> On May 12, 2014, at 1:58 PM, Poul Erik Karlshøj (PKA) <PKA at telepost.gl> wrote:
> 
> We have found a loose (de-soldered) diode 1N5408 in this factory assembled KPA500.
> The diode shows >10Mohm in one direction and 2-3 Mohm (varying) in the other direction (DVM)
> Where is this diode located (if there are several, then where?), what is its function and is it replaceable by a skilled tech person?
> What could be the reason for the failure - it does not appear to have been over-heated, so desoldering appears not logical.
> 
> Is there a diagram of the KPA500 available?
> 
> 73 from
> Steen and Paul
> OZ8SW (owner) and OZ4UN
> 
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