Question about ViewSonic VA1912wb Monitor

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Viewsonic va1912wb monitor goes blank for few seconds and comes back and this happens very often

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Your power/inverter board needs to be overhauled.
Your capacitors on the board are probably burned out.
If you open it up and send me a picture , I may be able to tell you if they are or aren't.
There is also a chance a transistor has gone bad on the board.
I repair many viewsonic boards on ebay
bammbammfran

Posted on Oct 21, 2008

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I have a view sonic 1912wb a blank screen come on for 1 second then goes of. Can this be repaired?


The problem of this unit is bad or bloated electrolytic capacitors like this image:
bc3eb3e.jpg that is common to viewsonic monitor.

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Common failures in this monitor is the 470uF caps in the inverter section (close to the inverter transformers), but you should replace all the caps in the 5vdc and the 12vdc as a whole set. See example of failed VIEWSONIC monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums

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the problem is due to hi-esolution, boot in SAFE MODE uninstall / reinstall the video drivers

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Hello,

You have a very common problem that happens to many LCD monitors after 2-3 years of use. Your monitor has blown the power supply that controls the backlight bulbs. Go to our web site at: www.ccl-la.com/badcaps.htm and look at the pictures of what blown capacitors look like. Open the back of your monitor and replace any of the parts that look like the ones in the pictures and you should be back going again. Be sure to usehigh temp (105c) replacements. Resolder them in with the side polarity stripe going the same direction and the old one came out. The values of the bad parts will be marked on the sides of the ones you take out, they can be ordered online from us or several other places, the one from Radio Shack are not suitable for use in the high heat inside on the monitor and will soon blow again.

I hope this helps, if so please rate my solution.

If you have more questions just ask.

Buddy
Corporate Computer
www.ccl-la.com

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1 Answer

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Your monitor sounds like it has gone bad. Cost for a repair is not worth it, a new one would be cheaper. Prices have gone down a lot in three years

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operation174 -

Here is the driver download page for your monitor:

http://www.viewsonic.com/support/downloads/drivers/?prod_name=VA1912wb

Choose the correct download for your operating system.

Thanks,

videoman7

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1 Answer

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read the solution I have wrote on th Q7
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Your monitor is exhibiting a defect and needs to be replaced/repaired.

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1 Answer

Viewsonic VA1912WB error says analog signal


I had a Gateway 19" TFT that did the same thing.
Does the power light stay on? If so, you more than likely have "dry" solder joints at the inverters. Take it apart & shoot a little solder on the inverter solder joints. Good as new now. The solder joints dry out because of the high heat generated. This is a very common problem.

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