Question about BenQ FP72E 17" LCD Monitor

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Power led turns on but there is no dispaly - BenQ FP72E 17" LCD Monitor

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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 DELL/BenQ (BenQ made a lot of DELL monitors)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.

Basic LCD monitor troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Replacement board: http://www.lcdrepair.us

Posted on Oct 24, 2010

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Posted on Jan 02, 2017

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SOURCE: my lcd model # 1901FP when power on dispaly on

Hi, This is a common problem with LCD monitors and is usually a result of blown capacitors or it could be a failed backlight as the inverter will shut down if it detects this. You will need to open up your monitor and you will be able to see if any capacitors have "blown" but failure of a lot of components will cause this symptom.

Posted on Oct 14, 2009

Testimonial: "my lcd model # 1901FP when power on dispaly on after 2sec diplay off at this time power led show green .again power on /off button off and on the same (power on dispaly on after 2sec diplay off at this time power led ) plz find solution asghar"

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My lcd model # 1901FP when power on dispaly on after 2sec diplay off at this time power led show green .again power on /off button off and on the same (power on dispaly on after 2sec diplay off at this...


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Aman


Hi,

You can try a Hard Reset.
Unplug Power Cord. Let the unit stay off for 5 minutes. Then plug the cord back in and check.

Also check if you get any kind of beep sound or flashing led on the dispaly.

Refix the video cables as well.


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