Having problems with your Videoseven V7 L19PS 19" LCD Monitor ?

Screen goes blank

\015 My L19PS monitor, purchased early in 2005, is malfunctioning. The screen frequently goes blank, often related to some activity on the desk such as bumping the monitor, hanging up a telephone, etc. Any slight movement can trigger the problem. The power light on the power button remains on, but the screen goes blank. If I unplug the power plug from the monitor and reinsert it or unplug the power cord from the power supply and reinsert it, the monitor comes back on every time. However, the frequency of the problem means that it is very annoying.\015\012\015\012It does not seem to be the power supply and I cannot find any display setting that seems to give rise to the problem.\015\012\015\012Thank you for your help.\015

Answers :

Hi jkm007,\015\012\015\012Sounds like the back light inverter board is bad.\015\012\015\012It's a very common problem.\015\012\015\012LCD's use four small cold compact fluorescent bulbs to back light the display. (thats what gives the LCD it's brightness allowing you to see it)\015\012\015\012The inverter board runs these lights and when they go bad they will typically show symptoms like you have or the monitor power light comes on and you have either no display or a very dim display.\015\012\015\012If you ever have one that has no display but the power light is on you can check by shining a flashlight directly into the LCD from the front (right into the screen) if you can see an image then it's either the inverter board (most likely) or the CCFL bulbs have gone bad.\015\012\015\012The inverter board and CCFL's are replaceable.\015\012\015\012Good Luck,\015\012El Duderino
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