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The power adapter manual inspection methods

by:Fuyuang     2020-05-14
Through practice we can know the power adapter circuit of electronic components, circuit structure, determine the basic working principle of the circuit, determine some of the key electrical testing, some key points of data, provides the resources for maintenance, so as to master the basic maintenance methods and steps. 1. Static observation. Observed in the circuit components distribution, to identify the characteristic components, through the observation, determine the key testing point of maintenance, sometimes the failure power can also find some obvious damage components, provided a basis for repairing as soon as possible. 2. Measuring the resistance. To is not easy to see the circuit connection through the resistance measurement method to clear up the connection, and then find out circuit structure, control of some key points of resistance at the same time, provide reference data for future maintenance. 3. Measure the voltage. In electric power, for some key points for voltage measurements, master first-hand information of maintenance, voltage measurement method is: pointer multimeter use dc voltage ( According to the specific object values selected in which gear) Black pens and grounding, red pens and the test point. Digital multimeter with dc voltage, grounding, black label you red table than the test point.
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