Think About the Laptop Repairing Course

Today, I am going to discuss about common misconceptions: In repairing line we always say Voltage pass from this part of circuit to that part . Let me clear voltage never passes, it's the current that travel from high voltage to low voltage . For example in laptop motherboard your highest voltage is at DC jack and your low voltage is at the processor. So There is always a movement from source to sink. Source in laptop motherboard is at adapter DC jack and a sink is at CPU . Also notice that the maximum current is at processor location . So in any electronic device we must understand the current profile also , most of us focuses on measurement of voltage and hardly on current while repairing. I must say if you start focusing on current profile , its a lot easier.
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