How to repair a power supply

I have no direct idea, but i have an. He calls a TV repairman. The repairman comes, takes out a rubber mallet, peers at the TV for a moment, and then whacks it with the mallet. Chances are, the caps (large soda can shaped components) are bad.

That would explain why the voltages look fine, until under load.

However, it is never a good idea to repair a power supply. I think this is one of those cases where if you need to ask, you might be struggling a bit to sort it out. Most of these tips can apply to any switch mode power supply (SMPS).

Watch my previous video. ATX Bench Power Supply - Convert a Computer Power Supply - Duration: 40:52. Learn about the half bridge configuration. My Electronics Course on Patreon, Link Here: h.

Secrets On Power Supply Repair and Troubleshooting-Solving Problems And Failure in Switch Mode Power Supplies. A Switch Mode Power Supply. Whether to repair or replace is a business decision—accurate and timely information from ACS makes this decision easier.

How do you troubleshoot a power supply? What is linear switching? They are all very similar in design, if you can fix one, you can fix em all.

Every power supply leaves our facility fully tested and operational. Refurbish Due to the durability of many switching power supplies, some of the units we receive are over 10-years old. In these cases, it is a good idea to go beyond the level of a power supply repair to a power supply refurbishment. A power supply operates optimally about – above its total capacity.

Efficiency Benefits of a Gaming Computer Power Supply When you see a power supply branded with Ecos Consulting PLUS certification, it means that at , and 1 of maximum loa the power supply is at least efficient. As an industrial equipment repair facility, we offer more than just repair of Power Supplies. We will refurbish the whole unit with the guarantee the unit will work for years to come. If the supply is still inoperative, the integrated circuit may be bad.

With a few simple tools and the help of this guide, you can do this job yourself and save on expensive repair fees.

Make sure that everything is plugged in. Before adding the fuse to the power supply I added a light bulb to the terminals of the main fuse and as you can see, the light bulb stayed dim indicating all is well. The problem could be something simple, like a blown fuse or loose wire.

If so, you might be able to fix the supply for less than $1. Service and repair of power supplies Line Card List. Call or submit request. You can’t repair your desktop PC’s power supply , you can only replace it. Don’t ever open your computer’s power supply or try to fix it yourself.

Remember — replace, don’t try to repair. Never try to repair a power supply that is in service or connected to any source (i.e. a laptop or wall power ). The power supply stores powerful jolts of electricity, even when the computer is turned off and unplugged. Proceed at your own risk.

Lets continue by unplugging the high voltage cable from the power brick (if your power supply allows for this), and by making a single cut through the low voltage cable near the fraying cord. After confirmed that the power FET is shorted my next move was to check on the primary winding of the main transformer.