Question about Princeton Digital VL1514 Monitor

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My 15" princeton vl1514 monitor

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Look for any bad caps with domed tops first.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), 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/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

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.

Posted on Jun 06, 2011

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1 Answer

Monitor Goes Black


there is a blown capacitor on one of the boards inside display

Feb 09, 2013 | Princeton Digital Computers & Internet

1 Answer

My VL2018W LCD monitor shows blurred words and often has a blank screen - when I reboot and turn the monitor off and then on sometimes the words become clear again - is it dying?


You may have dying power supply due to bad caps as shown here:
http://s807.photobucket.com/albums/yy352/budm/Princeton%20VL2018W/

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 (they should be replaced in a set), 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
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Sep 11, 2010 | Princeton Digital VL1514 Monitor

1 Answer

I have a 17 inch princeton monitor and the screen goes off frequently. each time it was every 15 mintuires now it goes off every 4 to 5 mintures. i turn if off and back on and it works. help


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.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

May 18, 2010 | Princeton Digital VL1716 17" LCD Monitor

1 Answer

"no signal"


"no signal" means that the monitor is not receiving a video signal from your computer or laptop. This is normal if the compouter is OFF and the monitor is ON. Is the computer still on and connected to the monitor?

Mar 27, 2010 | Princeton Digital VL1514 Monitor

1 Answer

I have a Princeton Graphics, model UL1919 flat monitor. I just went blank and quit working. It kind of flashes a little when I try to power it on, but that's it. Any suggestions?


There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

Nov 30, 2009 | Princeton Digital VL1514 Monitor

1 Answer

Upgraded to win 7 now princeton monitor goes black how do i fix


try this, but a bit tricky.

start off with the pc off
then turn it on
wait till the bios etc splash screen show past the hit del or f2 to goi to setup then after that press f8 repeatedly until it shows some sort of list
this is the alternate boot up just scroll down to ENABLE VGA MODE
after selecting that it will boot up with your screen..
hope that works

Nov 10, 2009 | Computers & Internet

2 Answers

Same problem


Check the Inverter card Connector which goes to pannel,Next Panel to AD card signal Cabble,..

Jul 10, 2009 | Princeton Digital VL1918 Monitor

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