Question about ViewSonic VA702B 17" LCD

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I have a Viewsonic monitor wont work

I have a Viewsonic monitor that about three old and this morning it stopped working. The power light flashes continuously but the monitor will not come on. Any ideas? Thanks in advance.

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Bought a new monitor

Posted on Nov 16, 2009

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Hi, I have a ViewSonic VX2235mw LCD Monitor it was working fine then all of a sudden the screen turned off and now it wont turn back on. The power light is on and is Blue but no sign of life in the screen...


Hello,

This is a very common problem with this model after a few years of use. This problem is caused by a failure of the capacitors in the power supply board hat powers up the back lights in the monitor. When the back lights don't power up you get no display on the screen. Here is a link to a repair guide for that model that shows how to open the unit and what to look for and replace to repair the monitor.

http://www.ccl-la.com/blog/index.php/repairing-the-viewsonic-vx2235wm-lcm-monitor/

Here is part one of the three part video repair guide posted at the above link:


Jan 29, 2013 | ViewSonic VX2235wm LCD Monitor

1 Answer

My Viewsonic vx922 was working fine until this morning. The computer had a problem and I restored it to the original factory settings. I had to download the drivers for my Radeon card to allow me to do 2...


Looking like there is an issue with the powerboard on the monitor. This problem you are having appears to be common with this monitor, with a lot of them failing for no apparent reason

Jan 05, 2011 | ViewSonic VX922 19" Monitor Flat Panel

1 Answer

ViewSonic VX2235WM turns on than screen goes blank changed power cords cable cords viedo card cpu still same problem


The problem is most likely the monitor itself. Hook up an old monitor (usually someone has an old monitor laying around) if the computer works with another monitor you'll know for sure.
Look at your monitor using a flash light at an angle, if you can see a picture in the background you have a bad inverter.

Nov 28, 2009 | ViewSonic VX2235WM Monitor

1 Answer

No display on Viewsonic VA1912wb


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

Sep 11, 2009 | ViewSonic VA1912wb 19" LCD Monitor

1 Answer

VX922 monitor, blank screen, blinking power light



If there is a flashing led on front of the monitor, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the Monitor goes on protection there are only two possible causes.

1 The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or a broken contact, identified an internal fault and kicked in , starting the flashing light.


If you are in situation one, then the monitor will reset just unplugging power cord for one or two hours, sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occurr suddenly are a blown capacitor on power board, the inverter board powering up backlight lamp has blown, or a fault on main lcd controller board.
check also the video cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.

Check connectors, try moving the video cable, and if the cable is not built in, then also try a replacement cable.

If under warranty contact Viewsonic to find out a Viewsonic service point.
See:ViewSonic - Support & Service

If you want to repair at your own expenses, just locate any good qualified repairer.


Regards

Mar 03, 2009 | ViewSonic VX922 19" Monitor Flat Panel

1 Answer

My biewsonic va702b, when powered up flashes for one second the screen. it's bright in all the corners, just wont stay on, power light changed to orange. do I have inverter problems??


The power light turning orange means the monitor isn't getting a signal from the computer. Or the monitor has a problem. If the screen shows light in the corners, the inverter is working. (If the inverter stops there is no light at all.)

The first thing to try is connecting another monitor to make sure your computer is actually starting up. If that monitor also shows nothing, you have a computer issue to take care of. Otherwise the monitor needs service.

Mar 03, 2009 | ViewSonic VA702B 17" LCD

1 Answer

Not on


try eBay ressurectek for repairing you inverter/power supply board. If you have the one transformer (q9b-2) version, he says he can fix it.
tom

Sep 26, 2008 | ViewSonic Optiquest Q9b 19" Flat Panel LCD...

2 Answers

DVI connection fault


I had the same problem, you must call Viewsonic to change your screen. The DVI input on the screen is dead.

Jul 08, 2008 | ViewSonic VX2255 Monitor

3 Answers

No power to monitor despite being plugged in


Check your video card. Is your computer booting up?

May 25, 2008 | ViewSonic VX910 19" LCD Monitor

2 Answers

My monitor stopped working


You need to be more specific .Post make, model, how old it is and exact problem.Is the monitor completely dead No lights power etc??

Feb 16, 2008 | ViewSonic VE175b 17" LCD Monitor

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