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Hi everyone, I’ve been repairing phones for a while and have recently started offering water damage repair with an ultrasonic cleaner. We get plenty going again but some have missing functions and some just won’t turn on at all. I’m getting into BGA rework and have repaired several logic boards so far but that was through trial and error with the capacitors and it took hours to fix each one. I’ve read that you can test the caps with a multimeter which I have done by testing continuity but it seems like more than half the caps show continuity even on working boards. So is there a definite method to check a bad cap in the circuit and does it make a difference if there is a power supply to the phone? Thanks everyone
Sam, I am hoping these links will help answer your question, you could also try a search for (definite method to check a for bad capacitor in the circuit). Check the attached links,instruction and guides, Good luck. I hope this helped you out, if so let me know by pressing the helpful button. http://www.learningaboutelectronics.com/… https://www.youtube.com/watch?v=ce30CCLi… http://en-us.fluke.com/training/training…
