You know, I’ve fixed all sorts of Liquid crystal display keep track of issues. You title it.white show, dim/no show, blinking LED, no visible even though the energy indicator is on, stuck pixel, rainbow display and so on.
Remove the inner casing of your Lcd keep track of and then conduct a visual inspection on the inverter board. Busted capacitors and transistors are the typical culprits.
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I kept on inquiring myself, why the voltage fall to three volts after the fuse. Prior to the fuse it reads about sixteen volt but after the fuse it reads only three volts! I didn’t suspect the fuse, because the fuse can only both yes or no and no in between. The first circuit that I checked was the begin circuit but all components checked to be okay. I even desoldered the pin 9 of TL1451ACN inverter IC just to make sure it is not this IC that pulled down the voltage.
As I’m creating this article, I still could not locate the suspected ic, but if I discovered it I will let you all know. Samsung 510bn lcd keep track of also have this kind of issue which is the mainboard spoilt.
Before you go around testing components blindly, make certain you scan the elements with your eyes. Consider a genuine cautious appear at the inverter and power region.
Although in this article I could not pinpoint to you the precise faulty component, at least you would use my process to confirm which board is giving issue. In other words, whether or not you are troubleshooting the Samsung 713N Lcd monitor or other brand, the testing method is the same.