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dad911 dad911 is online now
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Join Date: Jul 2001
Location: Leave the gun. Take the cannoli.
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Then cut out/remove the varistor and try it. Do not jumper the leads, just remove it from the circuit. Seriously.

I don't see a transistor in the pics. The FL408 looks like a bridge rectifier, changes AC to DC. You should be able to measure an AC voltage across the two ~~ (center) terminals, and DC out between the + and - terminals.

I suspect the varistor was to protect rectifier, and sacrificed itself in a heroic battle with a voltage surge.
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Last edited by dad911; 04-03-2021 at 05:11 PM..
Old 04-03-2021, 05:03 PM
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