Question about Princeton Digital VL1916 19" LCD Monitor
There is a field of capacitors on the power board that usually goes bad. I believe that there is a total of 6. When you look at the power board you should notice them. I have the capacitors if you need them. $2 each. Just check to confirm that they are swollen. and let me know the voltage and uF. good Luck. David
Posted on May 27, 2009
This is the way how to examine
what's wrong with your LCD monitors. After you turned your pc on, you have to check that if you can see the image on the screen or
not by shining a flashlight into the screen, not directly but find the best
angle to the screen and take a look very closely. If you can see the icons or
any image, there will be a minor problem. This is because of the lamps inside
screen. Some of them were broken and it is very easy to replace. If you cannot
see anything on the screen, there'll be some problems with inverter board. If you
have soldering tool and want to fix it by yourself, check the caps first. It
may cause this problem. Some caps might show leaking or burn spot on the board
because of too high temp. If you don't have soldering tool, you better go get a
technician to do so.
Hope this help!! If anything I can help you with, feel free to let me know.
Posted on Mar 26, 2008
I Just checked the specs on both the card and the monitor. It should work no problem. If for some reason you notice some lag or flicker in the monitor, go to this page and download the updated ForceWare graphics drivers.
Posted on Mar 27, 2008
SOURCE: I have two CTX monitors.
well by ordering the caps replaced that is a start for the first one it should work like new when you get those replaced, second monitor it could still be a cap issue but you need to look and see if they are doomed if hey are popped then they need to be replaced, one of the reasons they shut down is variance in the power supplied to the ccfl if it variances too much the unit shuts the vga and thereby the ccfl unit off.
fyi you don't need all the caps replaced just the popped ones.
Posted on Apr 30, 2008
If you are not an electronics tech It would be remiss to advise you to interfere with a high tension device like a monitor. take it to where it can be serviced and keep your life. Only experienced people should open up a monitor and poke around 22000 volts is involved here and if its overheating the wiring on th ecoilod ids breaking doen or has broken down.
Posted on Aug 01, 2009
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 Princeton 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.
Posted on May 15, 2010
Testimonial: "thank you the explanation sounds like its right on the mark. Unfortunately, I see these being sold used for under $50 so it is not worthwhile for me to repair as I don't have the expertise and I would think I would be charged at least that by a shop.I was hoping there was a reset button as I think the monitor succumb to an outage. Thanks again. "
Tips for a great answer:
Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors: 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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