Dry Solder Joints

Dry solder joints effect just about all electronic devices and normally they are hard to spot for the untrained eye. The most common devices effected are ones that use very high power, old devices or devices use in damp conditions. Like all metals, solder will eventually show signs of fatigue and corrode which in turn eventually causes cracks and open circuits. Today I came accross an extreme example of a dry solder joint which is quite easy to spot so I thought it would make a perfect example of what this phenomenon is. In these cases its good practise to remove the old solder and reapply fresh stuff. Because I found on dry joint its good practise to resolder the whole board.

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