Question about ViewSonic VA1912wb 19" LCD Monitor

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Hi, my Viewsonic VA1912wb monitor fails to wakeup after being turned-off over-night without many cyles of switching on andoff. The screen appears briefly, but then goes black with horizontal static lines. How do I fix this problem? Tom

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More likely to have bad DC filter caps with leaking/bulging tops just like the failed VIEWSONIC as shown in my albums.
If you are going to DIY and already try the monitor with another PC, and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Posted on Dec 30, 2010

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1 Answer

Viewsonic va1912wb-3 has solid green LED but a black screen


Hello,

This is a very common problem on this series on monitors. The problem is caused by filter capacitors in the power supply board that have failed. You can rebuild the board and the monitor will be as good as new. Here is a link to repair information for the VA1912wb monitors.
http://www.ccl-la.com/catalog/product_info.php?products_id=90

Apr 14, 2013 | ViewSonic VX922 19" Monitor Flat Panel

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My viewsonic Va1912wb flashes horizontal lines when you turn it on and i know it is not in pal and it is not the refresh trate help me please


Hi There and Welcome to Fixya.

Horizontal or vertical lines flashing/running across the screen poses serious display issues with any LCD/CRT monitors. It only boils down to 2 possible causes :
  • Corrupted video driver
  • Hardware issue
To help you determine which of the above, here's what you need to do.
  • Ensure that the computer is turned OFF
  • Disconnect ALL USB devices except the keyboard
  • Turn the computer on and immediately hit "DEL" (in some systems, it's the "F2") key repeatedly until you reach a different screen. (not the usual Windows screen)
  • Welcome to the BIOS screen
  • From here, spend 30min to 1 hour observing if the lines are present in this mode
If you still see the horizontal lines, then there's a need for the monitor to be serviced by a certified/trained technician. The link below will direct you to their support page for repair/replacement options, depending on your warranty status :

ViewSonic Support

Otherwise, the problem can be resolved by re-installing the operating system.

I hope this helps, Thanks for using Fixya.

Apr 09, 2011 | ViewSonic VA1912wb 19" LCD Monitor

1 Answer

Sir i am having viewsonic va1912wb black monitor , that was not getting display so please can u give me troubleshoot sir


hi dear friends step 1:check all the monitor wire step 2:if wire is correct then u must take a computer shopkeeper to clear a right solution

OK i hope you are agree with me thanks!

Apr 07, 2011 | ViewSonic VA1912wb Monitor

1 Answer

Hi, I have a ViewSonic VA1912wb monitor. Yesterday, the screen on my monitor went blank and it never came back again. I checked the power cable and the graphic cable, everything seems fine but still I...


It can be the power supply DC caps for the backlight inverter circuits or the inverter circuits have failed, you will have to open it up.
If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed VIEWSONIC monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Sep 13, 2010 | ViewSonic VA1912WB 19" WideScreen Monitor

1 Answer

Half way through pc posting screen goes blank Viewsonic VA1912W LCD Monitor


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

Mar 26, 2010 | ViewSonic VA1912WB 19" WideScreen Monitor

2 Answers

I pushed the button next to the power button now i have no screen, i pu7shed the button again but to no avail, please help


Common failure is the caps in the inverter/power board, look for caps with bulging tops, see example of failed VIEWSONIC monitor due to bad caps: http://s807.photobucket.com/home/budm/allalbums

Feb 23, 2010 | ViewSonic VA1912wb Monitor

1 Answer

Monitor fails during boot


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

Feb 07, 2010 | ViewSonic VA1912WB 19" WideScreen Monitor

2 Answers

The screen is black even though the green light is on


try with another cable, pc if nothing. need to get service.

May 30, 2009 | ViewSonic VA1912wb 19" LCD Monitor

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.

Apr 22, 2008 | ViewSonic VA1912wb Monitor

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