If you can't seem to figure out how to troubleshoot an SMPS, then you might want to take a breather, kick back for a moment and read this article.
See, I understand that troubleshooting and repairing switch mode power supplies is no walk in the park. Many fledgling technicians are overwhelmed by the complexity of SMPS circuit patterns.
But that's not going to happen to you!
I'm going to give some very helpful tips including tools selection, where to obtain the best and most complete guide on repairing SMPS, and a few common issues that you need to look out for when dealing with a faulty SMPS unit.
Alright, let's get down to business shall we?
1. Technician tools on how to troubleshoot SMPS…
Set up the necessary tools from the get-go. Of course the Ohmmeter is a must have a tool, but other devices have their place as well.
I recommend you get these tools: magnifying glass, isolation and variable transformer, oscilloscope, AC ammeter, capacitance meter and also a blue ring tester.
Extra tip: The blue ring tester is handy for discovering burnt coil that occurred within the internal winding section.
2. How to get the best manual for repairing SMPS?
I recommend getting a manual that's not overwhelmingly text-based. Photo-oriented instructions are the most ideal and if it comes with personal email help from an expert technician – that's even better!
By the way, you can actually download a deluxe photo instructional guide on how to troubleshoot SMPS including support via email. Simply Click Here to check it out.
3. Common issues that you might overlook…
(a) Hairline crack – Very easy to overlook this one especially if it occurs in small components such as power ICs or diodes. Use your X10 magnifying glass to locate those tiny cracks.
(b) Bulged Electrolytic Capacitors (EC) – Newbie technicians tend to overlook this problem. Actually, bulged ECs are very easy to discover and should be replaced even if your test meter indicates that they can still be used.
(c) Dry joints in the connector section – Always check for loose connection. You see, the multiple connector points are quite prone to dry joints.
Dry joints occurring in the connecter section will lead to loosening of wires and cables!
Anyway, if you still need a downloadable guide on how to troubleshoot SMPS in a step by detailed step fashion complete with full photos and illustrations, just follow this link: Learn How to Troubleshoot SMPS Step-By-Step Manual
Showing posts with label smps troubleshooting tips. Show all posts
Showing posts with label smps troubleshooting tips. Show all posts
Troubleshooting of SMPS – Learn Proven Tactics for Quick SMPS Troubleshooting
Troubleshooting of SMPS (switch mode power supply) is a lot more difficult than that of linear power supply…is this true?
Not really! With the right reparation reference guide and of course some practice, you'll be able to troubleshoot and repair SMPS with very little trouble.
You know, I only learned how to fix SMPS not very long ago. Although the first few repair cases were quite frustrating, I soon got the hang of it and began troubleshooting of SMPS and repairing them successfully…like a seasoned veteran!
So, I thought I'd share a couple of SMPS repair tips for the benefit of those who are still uncertain about how to conduct the proper troubleshooting process.
And speaking of, "reparation reference guide"…you will do well to get one that are in-depth, easy to understand and packed with step-by-step photos. I found one via this link :Info on SMPS Repair (Note: new window will open)
Now without further ado, here are a couple of proven tactics to assist you in troubleshooting of SMPS:
Help tip #1.
Examine the outputs located in the secondary area of your SMPS. Understand this: SMPS units are built with different number of outputs. Each one linked to a single circuit.
If an electric circuit occurs in one or more components/circuits, the power supply will shut down due to the increase of voltage supply. So, be sure to inspect the outputs in secondary area extensively.
Help tip #2.
If the fuse keeps blowing, then you should take a careful look at the diodes especially the zener ones (they are susceptible to burn out).
If problem persists after replacing the diodes, then you need to inspect the transformer or other components located downstream. They might be drawing excessive current.
To avoid changing fuse (in the event of power surge/ too much current pull), you should try linking a 100 watt bulb in series with the main fuse.
Fortunately, all the above and more repairing solutions can be obtained from an advice-jammed guide with full instructional photos.
You'll pretty much learn everything from A to Z including troubleshooting of SMPS, understanding waveforms, voltages, schematic diagram, building your own diode and IC power tester and various repair instructions.
Go here for download details.
No need to wait for the 200 page photo-based repair manual to be shipped to your doorstep, just download, print and bind them for easy reference
Not really! With the right reparation reference guide and of course some practice, you'll be able to troubleshoot and repair SMPS with very little trouble.
You know, I only learned how to fix SMPS not very long ago. Although the first few repair cases were quite frustrating, I soon got the hang of it and began troubleshooting of SMPS and repairing them successfully…like a seasoned veteran!
So, I thought I'd share a couple of SMPS repair tips for the benefit of those who are still uncertain about how to conduct the proper troubleshooting process.
And speaking of, "reparation reference guide"…you will do well to get one that are in-depth, easy to understand and packed with step-by-step photos. I found one via this link :Info on SMPS Repair (Note: new window will open)
Now without further ado, here are a couple of proven tactics to assist you in troubleshooting of SMPS:
Help tip #1.
Examine the outputs located in the secondary area of your SMPS. Understand this: SMPS units are built with different number of outputs. Each one linked to a single circuit.
If an electric circuit occurs in one or more components/circuits, the power supply will shut down due to the increase of voltage supply. So, be sure to inspect the outputs in secondary area extensively.
Help tip #2.
If the fuse keeps blowing, then you should take a careful look at the diodes especially the zener ones (they are susceptible to burn out).
If problem persists after replacing the diodes, then you need to inspect the transformer or other components located downstream. They might be drawing excessive current.
To avoid changing fuse (in the event of power surge/ too much current pull), you should try linking a 100 watt bulb in series with the main fuse.
Fortunately, all the above and more repairing solutions can be obtained from an advice-jammed guide with full instructional photos.
You'll pretty much learn everything from A to Z including troubleshooting of SMPS, understanding waveforms, voltages, schematic diagram, building your own diode and IC power tester and various repair instructions.
Go here for download details.
No need to wait for the 200 page photo-based repair manual to be shipped to your doorstep, just download, print and bind them for easy reference
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