Howdy there! Peace to all of you! Today, I’m going to share a few Dell LCD monitor repair/troubleshooting tips. See yesterday, I had to troubleshoot 3 different Dell LCD monitors. Each had a different problem you know…
Just think these transistors like horizontal output transistor (HOT) in the CRT monitor that drive the flyback transformer where it worked so hard and chances for it to breakdown is very high. Checking the four transistors off board found one of them have a shorted reading with an ohmmeter.. This transistor can get faulty by itself or it could be some others components that caused it to develop a short circuit such as a defective high voltage transformer but all of the four high voltage transformers checked to be okay with ringer and ohmmeter test.
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Still it is best that you inspect the primary area thoroughly, and make sure you adhere to the proper safety guidelines when testing electronic components.
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The first thing you should do is amass the necessary tools for troubleshooting a defective LCD monitor. The flyback tester is necessary for testing a switch mode power supply’s primary winding.
It’s a paid guide with detailed photo instructions on how fix to a wide number of LCD monitor problems. Also, the guide doesn’t just cover Dell LCD monitor repairing methods. In fact, there are repairing tips and strategies for other brands as well.
Conclusion- Whether you repair the DELL E173FPB LCD Monitor or any other model such as the E172FPB or E171FPB, basically the testing method is the same. You could also use this testing procedure on other brand of LCD Monitor too.