LCD REPAIR: The LCD screen does not light

Myads

The LCD screen does not light

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One of the most perplexing failures of LCDs, is when he turns on the power light turns green, as if normal, but the screen does not light and no image appears ... Thus, at first glance, have no clue to the possible cause, because it can be everything. A first step before starting to dismantle everything at random, at least, is to check if the motherboard is sending image.  But as if nothing appears on the screen? Well, we can not see it, but if it is being generated, be it '. To see it, we need to illuminate the screen, as they would fluorescents.  At this time, comes into play a simple, powerful and small flashlight LEDs. To reach a window behind the LCD screen, we need to do a partial disassembly of the device.  So already with access to the back of the screen, turn on the monitor is already connected to a CPU, where an image is being generated and light up any window with his flashlight.  Looking at the screen in front, we note the presence of the image. By exclusion, we now know is that the possible cause or in lighting or source. Then proceed with the tests to detect the presence and balance of the MAT in the output of the inverters and verification of fluorescent lamps, to resolve the defect. If, on the other hand, there really is no image, then the research question involves the motherboard monitor. Are you interested in purchasing a flashlight Led?  See more details about it by clicking here