Question about Princeton Digital VL1919 19" Monitor

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I have an old Princeton monitor. The screen is black and the blue power button keeps blinking. Has anyone had this problem before?

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  • Anonymous Apr 03, 2009

    I have the same problem. It blinks blue for hours hours. It sometimes works by itself after hours of blinking, or if you tinker around with the cable and/or turning the computer off. I have no idea why this works sometimes, but it is definetly not a perm. solution. I just can't find the answer to this problem.

  • Anonymous Apr 08, 2009

    I have the same problem. Need help

  • Anonymous Apr 10, 2009

    Same problem. princeton has no support

  • Anonymous Apr 11, 2009

    same problem, goes blank after the princeton is turned on. blinking blue light. if you mess with the power cable, it comes back but then it is only temporary.

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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

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Along with the capacitors check the transistors for discoloration as that is probably why it turns on and off continuously. I found 4 bad capacitors and 1 bad transistor on my power supply board.

Posted on Jul 24, 2009

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1 Answer

Describe your (VL1916) 19" LCD


Did you try this monitor with another PC and already verify that the VGA cable is OK.
Common problem with Princeton monitors are due to bad DC filter capacitors in the power supply board, see example here:

http://s807.photobucket.com/albums/yy352/budm/PRINCETON/

Sep 10, 2011 | Princeton Digital VL1916 19" LCD Monitor

2 Answers

My Princeton 19 inch LCD monitor keeps turning off and I have to un-plug it, wait, and plug it back into the wall socket for it to go back on. I replaced the multiple box and the power cord and am using...


bsims77010, Tell me brand name of electrolytic filter capacitors on the large "switch-mode-power-supply / CCFL inverter supply" printed circuit board. Are any of them SWOLLEN on the end that is up ??? You can see typical "failed units if you visit YOUTUBE for video clips that show owners/tech's that replace them with new ones and now have working units again. You must tell me more about this "keeps turning off" thing???? Is unit going to "black screen" only?? Or is it going to "black n blank" screen"??? There is a difference!!! If black only then 5vdc might be ok! If "black n blank then +12vdc & +5vdc sources could be in shut down mode. Do you see screen data with aid of bright flashlight held 1 inch from the "black" screen?? Once you have knowledge of what makes "raw white light" on reverse side of your lcd panel, then you will have clue to how the new screw-in, curlie-Q style CFL light bulbs work and what an "electronic ballast" circuit is. 12fixlouie
Post reply if you need further assistance.

Dec 14, 2010 | Princeton Digital VL1919 19" Monitor

1 Answer

My Princeton monitor will show the normal screen for about one second when I push the power button, but then immediately goes off (screen is black). If I push the power button off, and then back on it does...


It more likely to have the same failure as other Princeton monitors here.
Most common failure 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 goes wrong: 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://www.badcaps.net
http://en.wikipedia.org/wiki/Capacitor_plague

Apr 11, 2010 | Princeton Digital VL1916 19" LCD Monitor

1 Answer

Screen isn't coming on. I have a Princeton VL1919. The blue light blinks when on and the screen is just black. I have tried it on all 3 of my computers and it won't work. Any help would be awsome. Thanks


Common failure on the Princeton monitors are caps failure in the power supply, look for bad caps (bulging top or seal), see failed Princeton monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further.

Mar 26, 2010 | Princeton Digital VL1919 19" Monitor

1 Answer

VL 1919 power button blue light blinks and screen


Yea I fixed it ..bought a new monitor......I tried the old monitor on two other PC's same problem.....

Nov 23, 2009 | Computers & Internet

1 Answer

VL1716 Monitor screen black


they are using java and possibly dhtml scripts, your browser may not work properly with their site, but this is the link

http://www.sonyrewards.com/en/home/base/?ref=http%3A//www.sony.com/index.php

Aug 20, 2009 | Princeton Digital LCD17D (Graphite) 17 in....

2 Answers

Power Light Blinking & Black Screen


A blinking blue light indiactes that your power-inverter board is not putting out what it should. It needs an overhaul which may be a simple as changing out the capacitors on the boards.
It could go beyong that to transistors or even a bad bulb.
It will have to be opened up to do that.
A picture may show visual signs of damage. If you can take one and email it to me , I'll take a look.
Fran

Oct 18, 2008 | HP vs19 (Silver) 19" LCD Monitor

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