Question about ViewSonic Optiquest Q19wb LCD Monitor

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I have a Optiquest Q19wb LCD monitor. When I turn on the monitor it keeps turning on and off .. the green light will come on and off .. and continue doing that. I can see the picture for a second then it will turn off and back on every second. The screen also says "Auto Immage Adjust"

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Open and look at the tops of the capacitors. I bet there are at least 2-3 "bulging" tops. Replace them and the problem WILL be solved;.

Posted on Apr 08, 2011

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How do I turn on the sound on the optiquest q9b2 monitor?


Hi,

Regarding your concern, just connect the audio cable from the LCD to your computer. The audio cable should also be connected to the audio port found at the back of the LCD.

I hope we fixed it. Thank you for visiting FixYa!

May 03, 2011 | ViewSonic Optiquest Q19wb LCD Monitor

1 Answer

Viewsonic Optiquest Q19wb lcd Monitor goes blank after 2 secs. A couple of posts say replace the 1000uf 16v Cap My problem is i can't find them on the pcb (where are they?)


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

May 15, 2010 | ViewSonic Optiquest Q19wb LCD Monitor

4 Answers

Viewsonic Optiquest Q19 blanks out - just a year old


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

Jul 18, 2009 | ViewSonic Optiquest Q19wb LCD Monitor

1 Answer

Q19wb Monitor Replacement Part Numbers Needed


Look on eBay for "Optiquest Q19wb repair" or "Optiquest Q19wb power"

This is a common failure mode. You can either buy a set of capacitors and solder them in, or buy a replacement power supply board if you cannot solder.

One eBay seller notes the power board as an ILPI-025, which is common among the following models:

Power Board ILPI-025 For LG W1934S & Viewsonic VG1930WM & Optiquest Q19WB & Acer AL1916W Ab etc
Model:ILPI-025 REV:E 79069140

May 29, 2009 | ViewSonic Optiquest Q19wb LCD Monitor

1 Answer

Screen goes black,power light stays green. display only stays on a couple of seconds


This happened to me and I was able to fix it. I cracked it opened and found a bad capacitor, bought a replacement at Radio Shack and I'm back in business. Actually using it right now to post this.
-Jon

May 27, 2009 | ViewSonic Optiquest Q19wb LCD Monitor

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