While troubleshooting the power supply of a 1970s Centurion system, [Usagi Electrics] came across a fascinating feature of these units: the ferroresonant, or constant voltage transformer (CVT). The ...

After we last saw [David Lovett] of [Usagi Electric], he was knee-deep in trying to fix a DEC PDP-11/03 power supply, which fortunately led to a fixed PSU and a very happy PDP-11/23 system installed ...

This video is a Power Integrations course about fixing a flyback supply where the output fails to reach regulation. This course describes the steps to troubleshooting and repairing a power supply does ...

A faulty PSU can cause damage to the motherboard or the components installed on a motherboard. Therefore, it is important to replace it immediately. Here are some signs of a faulty PSU. The fans of ...

If after changing the CMOS battery your computer won’t boot, this article will help you fix the problem. CMOS battery provides continuous power to the BIOS chip. BIOS chip stores all the BIOS settings ...

The circuit of power supply for PC works with a mains voltage of 230VAC to produce an output of 13.8V at 5A due to rectification. This project came upon the modification of a PC switch mode power ...

A computer that refuses to start is one of the most frustrating technical problems, whether it's a desktop PC or a laptop. This issue can arise from simple power interruptions, loose connections, or ...

Picking out a PC power supply is a lot more challenging than it might seem at a glance. While there are always plenty of reviews of the best processors and top graphics cards, Power supply units (PSUs ...

If you're in the process of building your PC, one of the most important components to consider is which power supply unit you will choose for your new computer. While shopping, you might see the word ...

Switched-mode power supplies are found in electronics all around us. They provide the DC voltages that power our computers, cell phones, chargers, appliances, and myriad other electronic devices.