How Do You Debug a New PCB?

 Naturally there are many different ways to investigate the problem. These include using vision, hearing

and touch. In terms of observation it’s important to look for obvious mechanical damage such as
cracks or burns.

Electronic repair technicians are sensitive to these smells. They can also test the device’s
temperature by touching it. When working, some power devices produce heat. It is possible that a
device’s temperature may be low if it feels cold. If the temperature of the device is not visible or
excessive, this information will not be enough to accurately judge.

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