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Articles for beginners, Reference — 27 February 2023
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Causes of swelling of electrolytic capacitors.

The swelling of electrolytic capacitors is usually associated with a disruption in the structure of the electrolyte inside the capacitor. Electrolytic capacitors have two electrodes separated by a layer of electrolyte. When the capacitor is connected to a...

Online calculators, Reference — 26 February 2023
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Online calculator for calculating SMD resistor sizes.

The first version of the SMD component size calculator has been developed. To use the calculator, you need to enter the length and width values of the SMD resistor (in millimeters), then click the “Calculate” button. The result of the...

Laptop repair — 25 February 2023
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The keyboard on the laptop is not working. Let’s find the reason.

Hello everyone. Today we will be repairing an ASUS K52JR laptop with a faulty keyboard. Background. According to the owner, coffee was spilled on the laptop, after which the keyboard stopped working. To get it repaired, the owner took the laptop to a service...

Articles for beginners, Receiver repair, Workshop — 25 February 2023
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Eurosat DVB-8004 does not turn on. Repairing the power supply

Hello everyone. Today we’ll be doing a very easy repair on the Eurosat DVB-8004 satellite receiver. According to the owner, the receiver took longer and longer to turn on each time until it finally stopped turning on altogether at one...