Question about Dell E156FP 15" LCD Monitor

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I have a dell E156FPc LCD Monitor that won't power on. Not even an LED lights up. I've tried a known "good" power supply but still nothing. I opened it up and all of the caps appear to be good. I'm no pro but I've repaired a few of these. This one I'm stuck on, can anyone offer a suggestion?

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  • 52 Answers

The board, with the power buttons is most likly toast. If it's not the power supply, than it's either the board or completly shorted out. Good luck.

Posted on Mar 05, 2009

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sawyrick, This sounds like the switch mode power supply has failed, or it has detected a problem with the inverter board that lights-up the Cold Cathode Fluorescent tubes on rear side of lcd panel. You did not state any history in your complaint!! You didn't even tell how old it is. These things are important! If the fuse inside on the switch-mode-power-supply board were to go "open-circuit" then you wouldn't get any front panel light. In any case, since I don't know your level of electronic repair capability, (level zero because you don't own any test equiptment or soldering iron, solder, solder wick) you have few if any options open to you. Here are 2. 1. Call Dell, ask about monitor swapout program? If any!! You send them your's + $60-$90. They send you Refurbished same model in return. 2. Find out all you can about lcd monitors and their failing SMPS boards and or INVERTER circuit boards CCF tube lighting systems. YOUTUBE has some videos on the subject because of the high rate of failures due to Bad/failing electrolytic filter capacitors and or real crappy soldering of components to the SMPS board and or INVERTER boards. For a look-see only visit lcd-monitor-repair.com or www. badcaps.net or lcdrepair .us just for your own information. Hope thisinfo helps you out. I would certainly like to know what avenue of repair that you select to go with. In any case, I wish you good luck. I'm louie12fix on fixya or lmistyrel@ aol.com BYE for now.

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