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How To Find The Faulty Component On A PCB Without Schematics : A Very Practical Repair Example!
A customer asked me to look at a controller board PCB from a split air con system. It generates an error code, but I don't know if the fault is on this PCB or elsewhere. Learn how to spend an hour to methodically work through the PCB with a multimeter, what can we test, what can't we test, and how to locate the faulty component. These ...
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