Troubleshooting LCD Monitors – Here's a Simple and Precise 3-Step Troubleshooting Process

When it comes to troubleshooting LCD monitors with no power condition

, I'd normally follow a simple step-by-step process that gives me pretty good success rate.

Now, I'm going to tell you exactly how I perform this process, but before I do soI'd like to give credit to this repair guide for helping me solve numerous LCD monitor problems.

If it weren't for this handy guide along with its top-notch email support, I would have to enroll in one of those super expensive LCD monitor training classes!

Anyway, those of you who prefer text-only manual for troubleshooting LCD monitors SHOULD NOT download it okayThe guide is perfect for visual learners as it contains a truckload of step-by-step photos, diagrams and all that

You may check it out by clicking on this link with your trusty little mouse :)

That said; let's talk about the step-by-step process for troubleshooting LCD monitors that suffer from the dreaded no power issue!

Process 1 The visual scrutiny

Now before you take out your multi-meter, oscilloscope, high voltage probe and other testing devices you may have at your disposal, first I want you to scrutinize the entire inverter and power boards with your very own eyes

Take a real good view of the components and fuse situated in the aforesaid boards. This process is necessary if you want to pick out any physically damaged components.

Process 2 Detecting the first problem

You know what, 70% of no power cases are caused by oozing filter capacitors. Trust me; troubleshooting LCD monitors with this sort of problem is something I do on a daily basis.

In fact, just hours ago I fixed an LCD monitor that couldn't be switched on due to bulging capacitors.

But don't stop there

Once you've completed the visual scrutiny process and are satisfied with the condition of both inverter and main board areas, i.e. no combusted or roughened looking components, then we shall move on to the next process which I call

Process 3 - The vital components scrutiny process

This process is performed by testing the vital components like chopper FET, secondary diodes, the SMPS primary winding, and of course the fuse.

If the testing result of each component is positive then you only need to replace the faulty filter capacitors with brand new ones. The capacitors dense-like construction prevents optimal heat dissipation; as a result, they get damaged rather easily.

Troubleshooting LCD monitors is not difficult at all. If you have a service guide that covers every repair detail with easy to follow photos, you're all set! Make sure there are step-by-step troubleshooting pictures for a VARIETY of problems.

Download details for this type of LCD repair manual can be found by following this link: http://www.howtorepairlcdmonitor.info

Troubleshooting LCD Monitors Here's a Simple and Precise 3-Step Troubleshooting Process

By: Rob Ethrington

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