Tubes Asylum

Questions about tubes and gear that glows. FAQ

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Time for the pencil test

Posted by airtime on August 22, 2020 at 06:49:08:
While it's working and you have it flipped on it's side with the bottom cover off and one hand in your pocket!!!!

Take a pencil and push on the solder contacts of the tube socket on the effected side. See if you can get it to work. This way you can pin down what socket and where the failing joint might be. Also visually look at all the solder pads under magnification.

Reflow the solder on all the sockets on that board. Also make sure no components have started to become intermittent.