Question about ViewSonic Optiquest Q19wb LCD Monitor

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My Viewsonic Q9B-2 monitor stays blank long when first turned on

My Optiquest Q9B-2 Monitor has started taking a long time to show the display after turning it on. I usually turn the monitor off when I'm away from the computer for long times.  Lately, when I turn the monitor back on, the power light blinks - like it does when the computer goes into monitor off mode.  It seems to take a minute or more before the display finally lights up.   I set the computer screen saver to not turn off the monitor (as a test), and when the monitor finally showed the picture, the screen saver was still working just fine. Conclusion - something is going wrong with the monitor itself. I've tried wiggling the data cable - no help.  Is this thing dying?

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5 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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freetek

Steve Allison

  • 5569 Answers

SOURCE: momitor

Probable source of the problem is the horizontal output (and high voltage) circuit although it can be killing the video earlier than that too. First step would be to dis- and reconnect the video cable to ensure it isn't a simple contact problem.
Second, using the brightness and contrast controls to see if anything is still visible. If you have a single horizontal line across the screen, then the problem is in the vertical deflection circuit instead.
If you have nothing, turn the monitor off, wait a few seconds and then back on. If you get a picture first then only a dot, its back to the horizontal circuit again. Try to note how it dies.
You may be able to somewhat diagnose the problem this way but that is a long way from a repair and with the cost of labor and possible unavailability of some parts, you should get an estimate before repairing it since it is possible that replacing it is cheaper. This is not really a DIY project unless you have technical background and a couple of test instruments.    

Posted on Nov 01, 2008

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Anonymous

  • 91 Answers

SOURCE: I have a viewsonic optiquest monitor Q20WB and buttons not workin

Sounds like that monitor has reached the end of the road. I would recommend purchasing another monitor, other than view sonic. Purchase a Dell..they are great!

Posted on May 14, 2009

budmrtn

Bud Martin

  • 11361 Answers

SOURCE: ViewSonic Optiquest Q19wb LCD Monitor goes blank

Look at the board where the AC power connector comes in that is the power supply board, there are more than one versions so it nay not have the same caps value.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, 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/Optiquest 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

http://www.badcaps.net

Post pictures or send them to me budmrtn@aol.com

Posted on May 17, 2010

Anonymous

  • 80 Answers

SOURCE: optiquest q9b-2 blank white screen (lights up

Often problems with LCD monitors can be traced to bad capacitors. The following sites will help you identify if your monitor has bad capacitors, and how to replace them.

www.fixyourmonitor.com and http://www.youtube.com/watch?v=9Q6_TgNJvQw

Good Luck!

Posted on Jun 13, 2010

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1 Answer

MANUAL


HERE YOU GO:
http://www.2shared.com/document/DvXLz7b2/q9b-3_ug_eng.html

Dec 17, 2011 | ViewSonic Optiquest Q9b 19" Flat Panel LCD...

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Viewsonic optiquest flat panel lcd monitor power light flashes on and off with a popping niose


Look for bad caps with bulging/leaking tops as shown here:
http://s807.photobucket.com/albums/yy352/budm/OPTIQUEST/Optiquest%20Q9B/

Very common problem in all LCD monitors as you can see in my albums.

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 pictures: 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.

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How do I get the audio speakers to work?


Hello
xedman_0.jpg

-Make sure that you plug in the audio out from you computer to the audio port at the back part of you monitor -the audio controller of this monitor will be the function button in front.
the link below will contain the full manual of the monitor "http://www.viewsonic.com/products/archive/q9b.htm"
cheers.

Feb 24, 2011 | ViewSonic Optiquest Q9b 19" Flat Panel LCD...

1 Answer

Optiquest q9b-2 blank white screen (lights up when powered up) no video ??no problem with computer, video fine on another monitor, tried this monitor on several computers same problem, blank white...


Often problems with LCD monitors can be traced to bad capacitors. The following sites will help you identify if your monitor has bad capacitors, and how to replace them.

www.fixyourmonitor.com and http://www.youtube.com/watch?v=9Q6_TgNJvQw

Good Luck!

Feb 06, 2010 | ViewSonic Optiquest Q19wb LCD Monitor

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Sounds like the LCD panel inverter is going out, if not gone out completely.

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1 Answer

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Hi,
There could be a problem with your display card settings or the display card itself. If you are using Windows operating system, make sure that you have the monitor driver installed for that specific monitor. This is to ensure that Windows only allows settings for which your particular monitor was designed.
Let me know if I can assist you any further regarding this.
Best wishes,
Graemevm

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1 Answer

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replace pwr inverter board...
replace the video/keyboard as well...

Feb 08, 2009 | ViewSonic Optiquest Q9b 19" Flat Panel LCD...

1 Answer

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you have bad capacitors in the power board inside the monitor replace these and the monitor will work fine

Dec 09, 2008 | ViewSonic Optiquest Q9b 19" Flat Panel 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...

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