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Understanding on How Switch Mode Power Supply Works

 
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Understanding on How Switch Mode Power Supply WorksSome of us like technician want to learn more about the Switch Mode Power Supply commonly called SMPS. This is a special type of power that uses a chopper transformer instead of an ordinary metal core transformer. We have to learn how this type of power supply works for us to  have knowledge on how to repair this switch mode power supply  if we will encounters problem related to power supply. According to wikipedia: A switched-mode power... [ Continue reading... ]

Nov
12

Repairing A Kebos UPS: Power Problem

 
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Repairing A Kebos UPS: Power ProblemEarly this morning, I've got a call from Jollibee ICM regarding to the UPS on one of their POS  because it is not turning on. So I go to there place and checked he unit and I've decided to pull out their UPS to it to IT office to check for the possible cause of the problem. When I arrive in the office, I checked the unit immediately and I've found out that the fuse is blown. So I check the circuit board for the possible cause of blowing the... [ Continue reading... ]

Jan
29

Repairing a Deadset Computer Mini ATX Power Supply

 
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Repairing a Deadset Computer Mini ATX Power SupplyOne of my co-worker brought his dead power supply. This is a power supply of  a slim type desktop computer. The history of this unit, it is a package from abroad and it is rated as 220 voltage source. He plugged the unit to the outlet and shocked when it sparks and the unit is not turning on. So he brings the unit here in the office for repair.         I checked the unit and I found out that the fuse is... [ Continue reading... ]

Jan
20

Making A Transformerless Power Supply

 
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Making A Transformerless Power SupplyUpon surfing the net, I have found this site: http://electroschematics.com displaying their projects on making a Transformerless Power Supply with a 12 volts output voltage and a current of 100mA. We usually see this kind of power supply on a China made model of rechargeable products like flashlights and mosquito killer. This circuit catches my attention because of its application in our work which needs a power supply and we can also use... [ Continue reading... ]

Nov
20
 
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