Question about Dell E151FPp 15" TFT LCD Flat Panel Monitor
The problem with the Dell is that the screen is dark. If laid down I can see the screen that all the info on the screen is fine. I tried to increase brightness but it had no effect. It works fine except I can't see it well enough because it is so dim. I took it apart and found three card. Power, circut and IC and video card. Which card would most likely be the problem child? Or could it be a diode on the power card? Seem if any problem existed with the power card it wouldn't work at all. Any professional insight would be appreciated.
Do you have the same issue when the cable is disconnected from the computer? If so, and the the brightness function doesn't change, then you have an IC Chip failure and the replacement boards are not available to you or me as Dell is Dell and everything from them is proprietary. If you are under warranty pursue that if not, time to replace. Consider this a time, unwanted time, but time to upgrade.
Oh, your right about the sacrificial diode on the power card... you wouldn't see anything.
Hope this fixed ya.
Posted on May 15, 2008
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Posted on Jan 02, 2017
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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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