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First, flux the connections and re-solder the connections.

Put the heat to it, maybe a bad solder joint or enamel was not all off the wire?

Just a guess?

The only other guess is that somewhere along a "Twist" something is shorting?

Mike, WA6ISP

What is the best way to troubleshoot a toroid? My receiver is occasionally dead until I tap #? toroid, then it "jumps" to life. It remains working unless I accidentally hit that toroid again. It has 6 legs, 3 on each side soldered to/through the board. If I contact/tap each of the legs, there is no effect, so I think the problem is somewhere within the actual twists and coils. Can it be caused by the coil contacting the core and shorting? I am tempted to add some super glue to the coils while it's working and hope it stabilizes and eliminates the problem. 

Sent from Mike's iPad WA1MAD

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Mike Hagen, WA6ISP
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