Question about ViewSonic Optiquest Q19wb LCD Monitor
Sorry about your problems with the View Sonic 19” Monitor.
1st. thing you have to decide is weather the unit is worth repair and if you have the technical background to complete the repair.!!
If the power Led stay’s on and the video blanks out, it is most likely the backlight tube.
2nd. You can tell for sure, if you use a strong flashlight and see data on the screen.
If you can see data or images, it is the backlight. If the inverter board was bad, it would shut the power circuit down and you would not have continues power from the supply.
3rd. The backlight is not an easy job to undertake. Again, if you have little or NO technical background, you may want to pass on this project.
4th. If you decide to take on this project, you will need to order the backlight and if you are replacing that, you might as well check the Caps. And other components in the power supply and inverter board.
5ft. The backlight tube is cheep and can be purchased locally for under $10.00 USD
I needed to order a 15.1/4” tube for a laptop and decided saving 2 or 3 bucks was worth the investment. However, I ordered from China and had my tubes held up for over 5 working days and could have walked to the manf. And back by the time I had recvd. them.
Decide weather you want to repair it yourself, or have it serviced. A 19” View Sonic can be purchased for under $100.00 New with High Def.
The in shop repair with have to be more than the unit is worth.
Hope this information has been of some help.
If you decide to take on the job, drop me an email and I will go into better detail on what and how to do.
Readers, Please rate our information, it takes time to write this stuff and even if you disagree, that’s better than nothing at all.
Enjoy, and be safe.!.
Try it, it just may work…!!
Posted on Jun 29, 2009
You have a monitor with a common problem. After a few years some LCD monitors will blow a power supply. The problem is caused by parts called capacitors overheating in the confined space of he monitor. If you are good at electronics repair/soldering you can usually fix he problem. Check out a few pictures on my web site www.ccl-la.com/badcaps.htm You can take the back cover off your monitor and look for the bad parts, replace any that look like the pictues and your monitor should work fine. The capacitors do need to be installed with the correct + and - connections, note the stripe on the old one and insert the new one the same way. If you don't want to try the repair yourself we offer a repair service for $35 plus shipping. I hope this helps, if so please rate my solution.
Over 21 years of computer and printer support/repair
Posted on Jun 29, 2009
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Posted on Jan 02, 2017
sounds like the inverter / but you can check the caps on the power supply to see if you are loosing one / could cause the same problem
Posted on Feb 25, 2010
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