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===Working components & solder joints that won't work for long=== [[File:Inspection3.jpg|775x559px]] <div style="max-width:100ch;"><pre>This probe point and component have corrosion of the worst kind - it is just good enough to last for testing, but will fail when the customer starts using it. This solder joint will not stand the test of time, besides perhaps at L2 Computer with their 30-day warranty. This will come back for warranty service. Since the corrosion was not addressed before ultrasonic cleaning, it is much more difficult to spot, as the green lump of dust has been washed away by the cleaner. It is imperative to address most corrosion before ultrasonically cleaning the board - or, to make a note of where it was, so you will know to come back and check the area later. Once the board is ultrasonically cleaned, and the evidence of the spill removed - the corroded areas are more difficult to spot. Out of sight, is out of mind!</pre></div>
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Visual inspection for logic board repairs
Detecting Short Circuits
How to Clean a Motherboard
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