Question about Dell E173FP 17" LCD Monitor

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No power in dell e173fpf

Hello i have a problem with my dell e173fpf. no power , no led . i found that D854 (dual diode ) was shorted . replaced it with another kind of dual diode . it was ok and the monitors goes on . but i wanted to try again if without soldering the dual diode the led goes on or no . so i found that without it the monitor doesn't go on . so i resold it on the board but now it doesn't go on .i don't understand what happed . did the fact of powering it without diode had destroy another component ?

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  • riadh tebib Feb 21, 2007

    helo tim!
    it was the first thing i did ! but the problem is the same ! i think powering it without diode have destroyed another component but i did't foun which

  • rlee2007 Nov 06, 2007


    I have the same Dell E173Fpf with the same problem. no power LED does not indicating. i checked the power supply board nothing looks buring. fuse ok .. where should I start checking



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I would expect the same (new) part failed. Try another dual diode otherwise you may be chasing the problem around the board.. Good Luck, Tim

Posted on Feb 21, 2007


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Service manual dell e173fpf

Try here:

Most E152/153.172/173 have same problem, poor solder joints, blown fuse, shorted transistors.

Replacement bd:
Hope it helps. Please post back.

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Initially, pls check D854 on the Power Supply/Logic board. It is a dual diode. If you would prefer board replacement rather than component level repair, this might be of help. This of course would require a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings. Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional.

This is of course in addition to checking the usual, power cord, fuse, outlet etc.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information. Good luck and kind regards. Thank you for using FixYa.

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i'm not an expert at anything...x'cept maybe dumpster diving. God Bless

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