Have you been trying to troubleshoot a circuit board lately and you don’t know what tool can efficiently help you out in the process? Well troubleshooting a circuit board can definitely be a daunting task, however, once you discover what exactly is the defect of the circuit board itself then you will easily be able to repair the malfunctioning system.
The first thing to keep in mind is that troubleshooting the issue may take time. Some may say there would always be a trial and error in resolving the technical issue, but what is important is being able to find out what exactly can be repaired and what needs to be replaced. From here you can now formulate a possible solution to the problem which will involve repairing what is defective in the circuit board or having to replace it instead.
Now, a circuit board is composed of an insulator together with threads of materials that can conduct energy. The green part of the circuit board is an insulated board made of fiber glass which includes other electronic components. In troubleshooting a circuit board you need a tool that is capable of measuring the electrical properties of the board, and the best tool that is capable of doing this is a multimeter.
A multimeter us capable of measuring electrical properties such as current, resistance and voltage; which makes it the best tool in troubleshooting circuit boards. You can start with using the multimeter on the labeled test points of the circuit board. What you will want to check here is if the voltage matches the one that appears on the labels of the test points. If they match then, that means that the circuit board is working properly, if not then you have to troubleshoot further.
The multimeter needs to be in its correct polarity for it to function correctly. Make sure that the multimeter probes are plugged in correctly. It is not that complicated as the probes and plugs are color coded. Aside from voltage, you can also check resistance through using the knob. All you need to do is to read what is on the display of the multimeter to determine the measurement. Move from one test point to the other to determine where the malfunction is coming from.
Take note that if you are trying to measure voltage such as how much power is being supplied to the circuit board, you will have to choose from the direct current voltage and the alternating current voltage. You will be able to determine what type of voltage is present through the circuit boards’ circuit diagram.
When it comes to testing the circuit board, make sure that you unplug any electrical device that the board is connected to before removing its housing. Plug the electrical device back once you are performing your tests. Make sure that you also do not touch any electrical wiring or components while you are troubleshooting. Once you remove its housing, make sure that you put it back once you are done troubleshooting..
I recommend to check this article about how to troubleshoot a circuit board with a multimeter if you need more informations.Read More
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