Re: LF: W-G SPM-19 trouble (survives exploratory surgery)

["Alex Deligiannis" <sv8qg@otenet.gr>]

Dexter McIntyre W4DEX wrote:

> The SPM-19 lives!  Thanks to Jim Moritz, I was able to locate the
> problem in the 40.01 MHz 2nd LO PLL circuit.  A 2N918 transistor on the
> PLL board was open.  Replaced it with a NTE161 and now the VCO is
> locked. A wandering VCO was causing the off frequency problem.
>
> Now to find holes for all those screws!  What a beautifully engineered
> piece of equipment.
>
> W4DEX
Typical German quality....
Alex SV8QG