Question about ViewSonic VP920b 19" LCD Monitor

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24" widescreen lcd viewsonic monitor will not power up.

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Check the power supply caps, solder connections, etc.
If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses; poor solder joints, 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 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
Capacitors kit: http://lcdalternatives.auctivacommerce.com/

Posted on Aug 06, 2010

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We have a Viewsonic VA2226W that goes to black screen after 15 seconds or so, is it toast or is there a way to fix?ViewSonic monitor VA2226w


Make sure you are supplying a valid timing mode to the display. Call ViewSonic technical support to resolve your issue.

Oct 01, 2014 | ViewSonic VA2226w 22" Widescreen LCD...

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I have a viewsonic VA2226w and when i'm away from my desk for more than one hour the monitor display dims. the work around i need to do to make it go to it's original state is to turn off the monitor and...


Look for bad caps in the power supply section, that will be the first place to look. 90% of LCD monitor failures are due to bad caps.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, 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 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

May 27, 2010 | ViewSonic VA2226w 22" Widescreen LCD...

1 Answer

Half way through pc posting screen goes blank Viewsonic VA1912W LCD Monitor


Common failures in this monitor is the 470uF caps in the inverter section (close to the inverter transformers), but you should replace all the caps in the 5vdc and the 12vdc as a whole set. See example of failed VIEWSONIC monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums

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1 Answer

When Monitor has been switched off for 8 hours it takes 5 minutes to get back up again. Once up it will work perfectlt


This monitor is more than 2 years old, time to look for bad caps with bulging top in the power supply, see example of failed VIEWSONIC monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums

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1 Answer

No display, clipping sound appear


The clipping sound is the internal safety switch that keep shutting down the monitor.
It means there is an internal problem on the main board (overvoltage, bad component , short).
Try unplugging power cord and leaving it unplugged two or three hours, this will reset ICs by draining power completely from circuits, it is called hard reset, it rarely works.
CRT monitors waste up to 15 times more energy than TFT screen, if your CRT starts giving troubles, then it is a good time for upgrading it to a new TFT.
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1 Answer

Monitor has no power


is posible a malfunction on the power on/off button or a internal integrate burn, the best thing that u can't do is to get on a service dep to get fix if u don't have a good electrical degree, im sorry for that but this is the real truth. 

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