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Back to the electronic resto...
One of the tube sockets (V109, 3rd IF/1st sync amp) has been giving me fits since the beginning, so I finally gave in and repinned it. The wore out contacts had been causing goofy sync since day one. It's actually not as hard as I thought it would be, just tedious. Below you can see how bad they really were compared to a new pin, and what the socket now looks like.
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Evolution...
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