Question about ViewSonic VA903B Monitor

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ViewSonic va903b problem

My monitor turns on and then within a few seconds the screen will go BLACK and not display any image.

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  • hays-house Apr 02, 2009

    viewsonic VA903B Powers up. Green LED stays on. Good display for 1 to 2 secs and then blank. LED stays green. Replaced the power/inverter with a new one. Same problem. Tried different computers, different video cables.

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  • 293 Answers

Hi...there,
Well, it's seems you got a busted backlight inverter. If you still under warranty send it back for replacement of a new inverter.
Happy Holidays!

Posted on Dec 16, 2008

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MY SCREEN GOES ON FOR LK 3 SECONDS THEN IT GOES BLACK HOW CAN I FIX IT???? ViewSonic VA903B (Black) Monitor


One bad lead can cause a computer to continue on a cycle or to shutdown or fail to detect/ boot up a computer hard drive

Test all leads that attach to your hard drive including electrical extensions,IDE,SATA

the leads from your ((motherboard to your hard drive)) make sure they have a secure connection and are not faulty or just replace them there probably old and faulty
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even the electrical extensions or just replace them they are probably old and faulty a computer needs its connections to have an end so any faulty leads will end up with a computer error

hope this will help
don

Feb 19, 2011 | ViewSonic VA903B Monitor

1 Answer

My VA903b monitor is not working properly, when i turn it on, vertical or horizontal lines come down the screen and after a few seconds it goes to sleep (light turns orange). The light will occasionally...


Just to be sure I owuld try it with another PC first.
It can also be in the monitor due to bad caps as shown in my pictures here:
http://s807.photobucket.com/albums/yy352/budm/Viewsonic%20VA903B/

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.
Please leave rating if it helps.

Jan 05, 2011 | ViewSonic VA903B Monitor

1 Answer

Viewsonic VG2021m Image Vanishes on Start Up


Hello,

It is the picture picture board on your monitor that is malfunctioning, since the power led or button is on, but the display screen goes blank after a few seconds, it means the picture board of your monitor has developed fault.

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

Take care.

May 07, 2010 | ViewSonic Graphic VG2021m LCD Monitor

1 Answer

When i turn it on the screen lights up and is


More likely to be bad capacitors (bulging/leaking) in the power supply/inverter board just like these Viewsonic here: http://s807.photobucket.com/home/budm/allalbums
Please post back what you find so we can guide you furher and will also help other poeple.

Apr 06, 2010 | ViewSonic VA903B Monitor

1 Answer

The screen is to bright and wont darken enough


It is likely the video card on the actual unit. If it is under warranty they will likely have you ship it back to them for either 1) repair or 2)replacement

Edwards-Walnut
381 Brea Canyon Road
Walnut, CA 91789

Apr 05, 2009 | ViewSonic VA903B Monitor

1 Answer

Viewsonic VA903b Flashing green light (slow)


Hi..there,
It's seems you got a busted backlight inverter problems... Need replaced with a new one. Happy Holidays!

Dec 03, 2008 | ViewSonic VA903B Monitor

2 Answers

Viewsonic VA702B


Monitor going black after a few seconds can be caused by a faulty power supply or inverter. Some monitors have both as one unit.
Sometimes it is basic failed capacitors, After that then I would look at transistors.
The average monitor from 17 to 20 and sometimes the 22s have usually 4 bulbs in them. One bad bulb will also cause the inverter to not fire up.
Bad bulbs usually show pinkish tint, or flickering or are dark at center top or bottom of the display.
ebays bammbammfran

Jul 28, 2008 | ViewSonic VA702b 17" LCD Monitor

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