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#without desoldering#testing diodes without desoldering #testing without desoldering #testing without desoldering diodes. The video describes a method of how, using a simple attachment to a basic generator, observing a signal on an oscilloscope, you can 100% find out whether the diode is working or not without desoldering the diode from the circuit. It explains why this cannot be done with multimeters. And at the end, the method is shown using boards with dip and smd diodes as an example.