Question about Princeton Digital VL1916 19" LCD Monitor

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Service Manual with Schematics for Princeton VL1916 LCD Monitor

The normal procedure is when switch-on the monitor. The power light will lid green, the "NO SIGNAL" message apears and fade away, the power light will change to amber. Turn the computer, the monitor will switch-on and is ready to use. The problem is, that the above mentioned procudere, will suceed after serveral try's switching the monitor on/off for ready to use. Now the switch on/off tries doesnot help and the power on light remains green. I want to buy a SERVICE MANUAL with SCHEMATICS for this monitor. Please advise

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Re: Service Manual with Schematics for Princeton VL1916...

This issue might not be because of your Monitor. Anyway, I can only provide manual to this legacy product of princeton if you want...

Posted on Sep 06, 2007

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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:

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

1 Answer

Princeton Digital (VL1916) 19" LCD

Try to decrease your screen resolution. see attach picture: or restart your computer then if windows xp booth press F8 then choose ENABLE VGA MODE. press enter. jimmyverdade_4.jpgjimmyverdade_5.jpgjimmyverdade_6.jpg

May 27, 2011 | Princeton Digital VL1916 19" LCD Monitor

1 Answer

Princeton vl1916 ''' I can´t figure out how

set it from menu, if it cant work adjust if from tv mainboard

Jan 22, 2011 | Princeton Digital VL1916 19" LCD Monitor

1 Answer

I have the princeton VL193 monitor. Its blank, no power light

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:
Post back what you see inside so we can guide you further and it will help out other people in the future also.

May 14, 2010 | Princeton Digital VL1916 19" LCD Monitor

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

2 Answers

Princeton monitor, model # vl1916 Wont power on.

Hi, Billman11, maybe you can repair or maybe not. You need to tell me some stuff first. Need the approx age of the display. Next thing! Does the monitor have external power supply? (black box, sit on floor type) or internal (line cord to wall outlet, and other end to monitor) What exactly happens if monitor is connected to afully booted PC with known good vga output and u connect the flat screen lcd and push the power button? Is lcd panel still pitch black? no flicker or anything? Can you see the power on led indicator even?? From waht you already described it sounds like a Switch-Mode-Power-Supply failure. Each lcd monitor has 2 or 3 printed circuits inside under metal shields beneath the black plastic case covers. In your case, we will want to investigate the board that the line cord plugs into. That will be the smps board, or the little black box on the floor. If you want to try fixing this monitor you can get back to me at louie12fix on fixya or lmistyrel@ Yes, I'm a vet and spent a year on Kanghwa Do, Korea 67-68 Work for company that provides electronic hardware/software to the gaming industry and located northern Illinois. BYE for now.

Mar 31, 2009 | Princeton Digital VL1916 19" LCD Monitor

1 Answer

After a power outage, monitor won't turn on

Anytime there is an electrical surge the weakest part is the "Inverter" inside your monitor. It is two pencil size tubes that generates the DC power to the backlight of your monitor. Bring to repair shop and ask to look at the inverters. Once changed it will work fine

Don't forget to rate this solution.

Jan 21, 2009 | Princeton Digital VL1916 19" LCD Monitor

1 Answer

Princeton Digital VL1916

In my years of working on LCD's, your inverter (basically like a ballast in a flourscent lamp) is bad/going out. Crack open the case and look for a big pink and white wire going to a pcb (usually located under a shield) and remove it and check for puffed capacitors. If there are some change them and that usually fixes the problem. If there are no signs of anything wrong on the inverter, get the numbers off the pcb and google or ebay the numbers, usually youll find a replacement realitively fast.

Sep 15, 2007 | Princeton Digital VL1916 19" LCD Monitor

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