Question about ViewSonic VA520 15" Flat Panel LCD Monitor

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Monitor is on but disply id black

My monitor light comes on but the screeen is black. This has been doing this of and on for about a month. is it time to get a new monitor. this one is about 5 yrs old.

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Having a similar problem.  When I turn my monitor on, the picture tries to come on, but then goes black.  After several times, I may get lucky and the picture will hold.  Is my monitor about ready to give up the ghost?  Mine is a few years old as well.

Posted on Jul 02, 2008

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Just monitor power on disply comes but after some seconds disply is gone


On Samsung 740 this is a very common problem with the high voltage impulse transformator in the invertor block. That needs to change.

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I know how to take these apart and repair them, and I can't afford to do it compared to the cost of a perfectly fantastic new monitor with a warranty.

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Blank screeen when powered on


Hello,

Have you check all connection to see if they are all intact and in good position, if yes, no problem.

I believe the power led button is still on while the screen is black, if yes, it means the picture board of your monitor is bad that is why it is black.

Since the power led button is on, It means the picture board on your monitor is faulty that is why it is black.

The best thing for you to do now is to take the monitor to a local repairer or any service center within your vicinity to help with the replacement of the picture board because the fault is not something you can fix yourself in other to complicate issues.

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1 Answer

Screeen comes on --then goes blank


Your inverter circuit is faulty. This controls the lights inside the screen so you can see what is happening on the LCD panel itself.
If you shine a torch into the LCD from the top at an angle you will still see the images on the screen. But with no light inside to project it outwards, it's dark.

A local TV repair shop should be able to do the reprair fairly cheap, but it's best to make a few phone calls and check they will work on an LCD monitor firstly, and secondly a rough quote.
This is a very common fault with LCD monitors.

Hope that helps =)

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